abs steel vessel river rules

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Rules for Building and Classing Steel Vessels for Service on Rivers and Intracoastal Waterways

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STEEL VESSELS FOR SERVICE ON RIVERS ANDINTRACOASTAL WATERWAYS

2007

American *ureau of S/i00ing

2ncor0orated 5y Act of 7egislature of

t/e State of :e; <or= 18@

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American *ureau of S/i00ing

A*S PlaEa

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Table of Contents

"#$%& '(" )#*$+*,- .,+ /$.&&*,-

STEEL VESSELS FOR SERVICE ON RIVERS ANDINTRACOASTAL WATERWAYS

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,230456 789 -585:7; *8<2:=73028 ?

@."1 ? /289030286 2< /;7660<0473028 A&BCC;5=583 32 3D5 .)&"B;56 <2: /289030286 2< /;7660<0473028EF

CHAPTER 1 Scope and Conditions of Classification ..................11

[See also separately published booklet ABS Rules for Conditionsof Classification (Part 1)]

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[See separately published booklet ABS Rules for Materials and Welding (Part 2)]

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CHAPTER 1 General ...................................................................25

CHAPTER 2 Hull Structures and Arrangements..........................35

CHAPTER 3 Subdivision and Stability.......................................129

CHAPTER 4 Fire Safety Measures............................................143

CHAPTER 5 Equipment.............................................................153

CHAPTER 6 Testing, Trials and Surveys During Construction –Hull........................................................................159

@."1 N O5665;6 &P635=6 789 H74D085:P ?QF

CHAPTER 1 Classification of Machinery...................................169

CHAPTER 2 Propulsion and Maneuvering Machinery ..............177

CHAPTER 3 Pumps and Piping Systems..................................197

CHAPTER 4 Fire Extinguishing Systems and Equipment .........261

CHAPTER 5 Electrical Installations ...........................................279

@."1 F &B:R5P6 .<35: /2863:B43028 NST

[See separately published booklet ABS Rules for Survey After

Construction (Part 7)]



0R ABS !"#$% '(! )"*#+*,- .,+ /#.%%*,- %0$$# 1$%%$#% '(! %$!1*/$ (, !*1$!% 2 *,0!./(.%0.# 3.0$!3.4% . 5667

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N o t i c e s a n d G e n e r a l I n f o r m a t i o n

Notices and General Information

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*83:29B43028 K

TABLE 1 Applicable Editions of Booklets Comprising 2007 Rules ..........5

TABLE 2 Division and Numbering of Rules..............................................5 /D78J5 ,23045 !200$% Q

TABLE 3 Summary of Changes for the 2007 Rules.................................6



ABS !"#$% '(! )"*#+*,- .,+ /#.%%*,- %0$$# 1$%%$#% '(! %$!1*/$ (, !*1$!% 2 *,0!./(.%0.# 3.0$!3.4% . 5667 K

Notices and General Information

Introduction

For the year 2007 edition of the !"#$% '() *"+#,+-. /-, 0#/%%+-. 12$$# 3$%%$#% '() 1$)4+5$ (- !+4$)%/-, 6-2)5(/7%2/# 8/2$)9/:%, 1997, the Rules have been re-organized and re-formatted for the purpose

of improving their ease of use. In this regard, we advise the users of these Rules of the following

primary changes.

1. The year 2007 edition is a complete re-print of the River Rules.

2. A new numbering system was incorporated into the Rules, in accordance with Table 2, which

organizes the requirements into JParts,K JChaptersK and JSectionsK. A comparison of the old

J1997K numbering system versus the new J2007K numbering system is shown in Appendix 1

as a guide map for users who are familiar with the existing Rules.3. The 2007 edition of the Rules becomes effective on 1 anuary 2007. This more desirable

effective date was made possible by appropriately revising the schedule of meetings of the

ABS technical Committees in 1999, and with The Technical Committee meeting during the

month of May, rather than during the previously traditional month of November. It is

intended to continue this practice in order for all future editions of the River Rules to continue

to have an effective date of 1 anuary.

4. The effective date of each technical change since 1992 is shown in parenthesis at the end of

the subsection/paragraph titles within the text of each Part. Unless a particular date and

month are shown, the years in parentheses refer to the following effective datesV

;<===> and after 1 anuary 2000 (and subsequent years) ;?@@A> 15 May 1995

;?@@@> 12 May 1999 ;?@@B> 9 May 1994

;?@@C> 13 May 1998 ;?@@D> 11 May 1993

;?@@E> 19 May 1997 ;?@@<> 13 May 1992

;?@@F> 9 May 1996

5. The Rule Changes contained in the previously published Notices 1 through 12 to the 1997

River Rules (together with Corrigenda) have also been incorporated into the text of the

reformatted 2007 River Rules. These Rule Changes, together with their effective dates, are

listed for ready reference in Table 3.

6. Until the next edition of the River Rules is published, Rule Change Notices and/or

Corrigenda, as necessary, will be published on the ABS website – www.eagle.org – and will

be available free for downloading. It is not intended at this time to publish hard copies of future Rule Change Notices and/or Corrigenda.

7. The listing of CLASSIFICATION SYMBOLS AND NOTATIONS is available from the ABS

website www.eagle.org/rules/downloads.html for download.



,230456 789 -585:7; *8<2:=73028

ABS !"#$% '(! )"*#+*,- .,+ /#.%%*,- %0$$# 1$%%$#% '(! %$!1*/$ (, !*1$!% 2 *,0!./(.%0.# 3.0$!3.4% . 5667 T

1.)$% ?.CC;047V;5 %9030286 2< )22X;536 /2=C:0608J GSSF "0R5: "B;56

Rules for *uilding and Classing Steel essels for Service on Rivers and 2ntracoastal Water;ays

Notices and General Information 2007

Part 1V Conditions of Classification (Supplement to the ABS

!"#$% '() 0(-,+2+(-% (' 0#/%%+'+5/2+(-)(2)

2007

Part 3V Hull Construction and Equipment 2007

Part 4V essel Systems and Machinery 2007

Rules for Conditions of Classification – not included(1J)

Part 1V Rules for Conditions of Classification 2008

Rules for Materials and Welding – not included(1)

Part 2V Rules for Materials and Welding 2007

Rules for Survey After Construction – not included (1)

Part 7V Rules for Survey After Construction 2007

G(2$%H1 These Rules are available for download from the ABS website at www.eagle.org, Rules and Guides, Downloads or

may be ordered separately from the ABS Publications online catalog at www.eagle.org, Rules and Guides, Catalog.

2 The requirements for conditions of classification are contained in the separate, generic ABS !"#$% '() 0(-,+2+(-%

(' 0#/%%+'+5/2+(- ;I/)2 ?>. Additional specific requirements are contained in Part 1 of these Rules.

1.)$% G+0R06028 789 ,B=V5:08J 2< "B;56

J+4+%+(- G"KL$)

Part Part 1

Chapter Part 1, Chapter 1

Section Section 1-1-1

Subsection (see Note 1) 1-1-1/1

Paragraph (see Note 1) 1-1-1/1.1

Subparagraph 1-1-1/1.1.1

Item 1-1-1/???;/>

Subitem 1-1-1/???;/>+> Appendix Appendix 1-1-A1

or

Appendix 1-A1-1

G(2$H

1 An odd number (1, 3, 5, etc.) numbering system is used for the Rules. The purpose is to permit future insertions of even-numbered paragraphs (2, 4, 6, etc.) of text and to avoid the necessity of having to renumber the existing text

and associated cross-references, as applicable, within the Rules and associated process instructions, check sheets,etc.



,230456 789 -585:7; *8<2:=73028

Q ABS !"#$% '(! )"*#+*,- .,+ /#.%%*,- %0$$# 1$%%$#% '(! %$!1*/$ (, !*1$!% 2 *,0!./(.%0.# 3.0$!3.4% . 5667

Change Notice (2007)

1.)$% K&B==7:P 2< /D78J56 <2: 3D5 GSSF "B;56

%''%/1*O% +.1% ? Y78B7:P GSSF – shown as (2007) (based on the contract date for new construction between builder and Owner)

I/)2NI/)/ G( O+2#$N1"LP$52 12/2"%N!$K/)Q%

PARK 4 essel Systems and Mac/inery

4-2-3/3.27.7 Hydraulic Lock To provide requirements for the use of an independent steering

failure alarm for follow-up control systems in lieu of a hydraulic lock alarm.

4-3-2/7.3 Plans and Data to be Submitted To outline documentation to be submitted for plastic piping approval.

4-3-2/7.5.4 Temperature To allow the use of polyethylene, polypropylene and polybutylene

pipes.

4-3-2/7.5.9 Marking To add a date of production to the marking for the purpose of

traceability.

4-3-2/7.9 Manufacturing of Plastic Pipes To clarify acceptance of a manufacturers quality system and theinvolvement of the Surveyor during testing.

4-3-2/7.19 Testing by Manufacturer – General To provide requirements for testing by manufacturer.

4-3-2/Table 3(New)

Standards for Plastic Pipes – TypicalRequirements for All Systems

To provide a list of applicable Standards that may be used in testingrigid pipes, pipe joints and fittings, based on IACS UR P4.7 and

IACS Recommendation 86.

4-3-2/Table 4(New)

Standards for Plastic Pipes – Additional Requirements Depending

on Service and/or Location of Piping

To provide a list of applicable Standards that may be used in testingrigid pipes, pipe joints and fittings, based on IACS UR P4.7 and

IACS Recommendation 86.

4-3-3/7.5 Termination To provide technical details regarding the construction of corrosionresistant flame screens.

4-5-3/11.7.3 Type Test To align the requirements with IACS UR F29 (Rev. 5).

4-5-4/3.11.2 Ambient Temperature To clarify the requirements for temperature rise for rotatingmachines installed outside of machinery spaces.

4-5-4/3.21.2 oltage Regulation To align the requirements with IACS UR E13.

4-5-4/13.1.1 General To align the requirements with the Second Edition of IEC 60092-376JElectrical Installations in Ships – Cables for control and

instrumentation circuits 150/250 (300 )K.

4-5-4/Table 3 Limits of Temperature Rise for Air

Cooled Rotating Machines

To clarify the requirements for temperature rise for rotating

machines installed outside of machinery spaces.

4-5-5/5.3

(New)

System Design To incorporate requirements to address new designs for electric

propulsion systems.

4-5-5/5.17.9 Semiconductor Converters for Propulsion

To update and clarify the requirements.



ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS . 007 7

! A R T !&'( )* C,-./(/,-0 ,1 C2&00/1/3&(/,- 4S6772898-( (, (:8 ABS R6280 1,' C,-./(/,-0 ,1 C2&00/1/3&(/,-<

1Conditions of Classification4S6772898-( (, (:8 ABS R6280 1,' C,-./(/,-0 ,1 C2&00/1/3&(/,-<

CONTENTS

CHAPTER 1 Scope and Conditions of Classification ............................ 11

S83(/,- ) C2&00/1/3&(/,-===========================================================)

S83(/,- C2&00/1/3&(/,- S@9,20 &-. N,(&(/,-0=====================)

S83(/,- R6280 1,' C2&00/1/3&(/,- ===========================================)D

S83(/,- E S69/00/,- ,1 !2&-0 ===============================================)



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Foreword (1 January 2008)

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Rules for Conditions of Classification (Part 1)



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! A R T C : & 7 ( 8 ' ) * S 3 , 7 8 & - . C , - . / ( / , - 0 , 1 C 2 & 0 0 / 1 / 3 & ( / , -

1C I A ! T R 1 Scope and Conditions of

Classification

CONTENTS

SECTION 1 Classification........................................................................ 13

SECTION 2 Classification Symbols and Notations............................... 15

) R/K8' S8'K/38========================================================================)

S783/&2 R6280=======================================================================)

SECTION 3 Rules for Classification ....................................................... 17

) A772/3&(/,- ===========================================================================)D

)=) G8-8'&2 =========================================================================== )D

)= A772/3&(/,- ====================================================================== )D

SECTION 4 Submission of Plans............................................................19

) I622 !2&-0=============================================================================)

M&3:/-8'@ !2&-0 ==================================================================

A../(/,-&2 !2&-0 ===================================================================



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S C T O N 1 Classification (1 January 2008)

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S C T O N 2 Classification Symbols and

Notations (1 January 2008)

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1 River Service

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3 Special Rules

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Classification

S C T O N 3 Rules for Classification (1 January

2008)

1 Application

1.1 General

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Classification

S C T O N 4 Submission of Plans

1 Hull Plans

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Part 1 Conditions of ClassificationChapter 1 Scope and Condition of ClassificationSection 4 Submission of Plans 1-1-4

20 ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS . 007

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3 Machinery Plans

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5 Additional Plans

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! A R T ! & ' ( 2 * + & ( , ' - & . / & 0 1 , . 1 - 0 3

2Materials and Welding

!"# %&'#(#&'#&) *++,-#). /01 Rules for Materials and Welding (Part 2), 2+3 4)##-4. %3+&4. *3+&5#4.#)6. %4 )+ *# 3#2#33#' )+ !"%4 *++,-#) 6+&4%4)4 +2 )"# 2+--+8%&9 :";()#34<

Rules for Testing and Certification of Materials

CHAPTER 1 Materials for Hull Construction

CHAPTER 2 Materials for Equipment

CHAPTER 3 Materials for Machinery, Boilers, Pressure Vessels, andPiping

APPENDIF 1 List of Destructive and Nondestructive Tests Required inPart 2, Chapters 1, 2 and 3 and Responsibility for Verifying

APPENDIF 4 Scheme for the Approval of Rolled Hull Structural SteelManufacturer

APPENDIF 5 Scheme for the Approval of Manufacturers of HullStructural Steels Intended for Welding with High HeatInput

APPENDIF 6 Guide for Nondestructive Examination of Marine SteelCastings

APPENDIF 7 Guide for Nondestructive Examination of Hull andMachinery Steel orgings

Rules for Welding and Fabrication

CHAPTER 4 Welding and abrication

APPENDIF 2 Requirements for the Approval of iller Metals

APPENDIF 3 Application of iller Metals to ABS Steels



!"%4 =;9# >&)#&)%+&;--? @#2) 0-;&,



ABS RUL%S FOR BUILDING AND CLASSING ST%%L 1%SS%LS FOR S%R1IC% ON RI1%RS 2 INTRACOASTAL WAT%RWAYS ! 007 23

P A R T P a r t 3 * H u l l C o n s t r u c t i o n a n d E q u i p m e n t

3Hull Construction and Equipment

CONTENTS

CHAPTER 1 General..................................................................................25

Section 1 Definitions ...............................................................27

Section 2 General Requirements............................................31

CHAPTER 2 Hull Structures and Arrangements..................................... 35

Section 1 Tank Barges............................................................41

Section 2 Dry Cargo Barges ...................................................65

Section 3 Barges Intended to Carry Dangerous ChemicalCargoes in Bulk.......................................................85

Section 4 Towboats ................................................................91

Section 5 Passenger Vessels ...............................................101

Section 6 Weld Design..........................................................119

CHAPTER 3 Subdivision and Stability .................................................. 129


CHAPTER 4 Fire Safety Measures ......................................................... 143


CHAPTER 5 Equipment...........................................................................153


CHAPTER 6 Testing, Trials & Surveys During Construction – Hull ...159

Section 1 Tank and Bulkhead Tightness Testing .................161

Section 2 Trials .....................................................................163

Section 3 Surveys.................................................................165




P A R T C h a p t e r 1 * G e n e r a l

3C H A P T E R 1 General

CONTENTS

SECTION 1 Definitions.............................................................................27

1 Application ...........................................................................27

3 Length..................................................................................27

3.1 Barges.............................................................................27

3.3 Self-Propelled Vessels .................................................... 27

5 Breadth ................................................................................27

7 Depth ...................................................................................27

9 Design Draft .........................................................................27

11 Baseline ...............................................................................28

13 Truss ....................................................................................28

15 Amidships ............................................................................28

17 Block Coefficient (C ") ...........................................................28 19 Double Ended Rake Barge..................................................28

21 Oil.........................................................................................28

23 Passenger............................................................................28

25 Superstructure .....................................................................28

27 Cargo Area...........................................................................29

29 Cargo Pump Room..............................................................29

31 Weathertight.........................................................................29

33 Gross Tonnage....................................................................29

35 Units.....................................................................................29

SECTION 2 General Requirements.........................................................31

1 Materials ..............................................................................31

1.1 Steel................................................................................31

1.3 Aluminum Alloys.............................................................. 31

1.5 Design Consideration...................................................... 31

1.7 Guidance for Repair ........................................................ 31

1.9 Materials Containing Asbestos........................................ 31

3 Scantlings ............................................................................32

3.1 General ........................................................................... 32

3.3 Workmanship..................................................................32



26 ABS RUL%S FOR BUILDING AND CLASSING ST%%L 1%SS%LS FOR S%R1IC% ON RI1%RS 2 INTRACOASTAL WAT%RWAYS ! 007

5 Proportions...........................................................................32

7 Structural Sections...............................................................32

7.1 Required Section Modulus ..............................................32

7.3 Serrated Sections............................................................32

9 Structural Design Details .....................................................33

9.1 General............................................................................33

9.3 Termination of Structural Members .................................33




P A R T S e c t i o n 1 * D e f i n i t i o n s


S E C T I O N 1 Definitions

1 ApplicationUnless specified otherwise, the following definitions apply in all cases where reference is made in

these Rules, Tables and equations.

3 Length

3.1 Barges

L is the distance, in meters (feet), measured on the centerline between the inside surfaces of the

head log plates at each end. For barges of special form such as those having rounded ends or with

wells or recesses in the ends, the length for the purpose of these Rules is to be specially determined.

3.3 Self-Propelled Vessels

L is the overall distance, in meters (feet), measured on the centerline, between the inside surfaces of

the shell plates at each end.

5 Breadth

The breadth B, is the greatest horizontal distance, in meters (feet), between the inner surfaces of the

side shell plating.

7 Depth

The depth D, is the vertical distance, in meters (feet), measured at the middle of L from the base line

to the under surface of the deck plating at the side of the vessel.

9 Design Draft

The design draft ' , is the vertical distance, in meters (feet), measured at the middle of L from the

baseline to the deepest design waterline.



Part 3 Hull Construction and EquipmentChapter 1 GeneralSection 1 Definitions 3-1-1


11 Baseline

The B()*+,-* is a horizontal line extending through the upper surface of the bottom shell plating at the

centerline.

13 Truss

A T/0)) is a system of internal framing members comprised of top and bottom chords extending either

longitudinally or transversely in association with regularly spaced stanchions and diagonals. A single

laced truss is one having diagonal bracing in only one direction in each space between stanchionsH

a double laced truss is one having diagonal bracing in both directions in each space.

15 Amidships

Amidships is the middle of the length L.

17 Block Coefficient (C ")

The B+123 C1*44,2,*-5 6C " 7, is given by

C " #$J LB'

where # is the volume of molded displacement, excluding appendages, in cubic meters (cubic feet).

19 Double Ended Rake Barge

A D10"+* E-'*' R(3* B(/:* is a barge with similar rakes at each end and fitted with towing bitts

arranged in such a manner that the barge in normal circumstances may be towed from either end.

Each end of barges with this configuration is to be considered as the forward end in the application of

these Rules.

21 Oil

As used in these Rules, the term O,+ refers to petroleum products having flash points at or below 60%C

(140%F), (closed cup test).

23 Passenger

A <())*-:*/ is every person other than the master and the members of the crew or other persons

employed or engaged in any capacity onboard a vessel on the business of that vessel and children

under one year of age.

25 Superstructure

A S0>*/)5/0250/* is a decked structure on the freeboard deck extending from side to side of the barge

or vessel, or with the side plating not being inboard of the shell plating more than 0.04 B.



Part 3 Hull Construction and EquipmentChapter 1 GeneralSection 1 Definitions 3-1-1


27 Cargo Area

The C(/:1 A/*( is that part of a barge that contains cargo tanks, slop tanks and cargo pump rooms

and includes ballast and void spaces, cofferdams and pump rooms adQacent to cargo tanks and also

deck areas throughout the entire length and breadth of that part of the barge over the above mentionedspaces. In chemical and liquefied gas tank barges having independent cargo tanks installed in hold

spaces, cofferdams or ballast or void spaces aft of the aftermost hold space bulkhead or forward of the

forward-most hold space bulkhead are excluded from the cargo area.

29 Cargo Pump Room

A C(/:1 <0@> R11@ is a space containing pumps and their accessories for the handling of the cargo.

31 Weathertight

*(5*/5,:5 means that in any sea conditions water will not penetrate into the vessel.

33 Gross Tonnage

For vessels in domestic service, gross tonnage is the national gross tonnage as specified by the country

in which the vessel is to be registered. For vessels which are engaged in international voyages, gross

tonnage is to be determined by the International Convention on Tonnage Measurement of Ships, 1969.

35 Units

These Rules are written in two systems of units, i.e., MKS units and US customary units. Eachsystem is to be used independently of any other system.

Unless indicated otherwise, the format of presentation in the Rules of the two systems of units is as

followsW

MKS units (US customary units)




P A R T S e c t i o n 2 * G e n e r a l R e q u i r e m e n t s


S E C T I O N 2 General Requirements

1 Materials

1.1 Steel

These Rules are intended for barges and vessels of welded construction using steels complying with

the requirements of Chapters 1 and 2 of the ABS R0+*) 41/ (5*/,(+) (-' *+',-: 6<(/5 7. Use of

steels other than those in Chapters 1 and 2 of the above Part 2 and the corresponding scantlings will

be specially considered. here it is intended to use material of cold flanging quality, this steel is to

be indicated on the plans.

1.3 Aluminum Alloys

The use of aluminum alloys in hull structures will be considered upon submission of the proposed

specification for the alloy and the method of fabrication.

1.5 Design Consideration

here scantlings are reduced in connection with the use of higher-strength steel or where aluminum

alloys are used, adequate buckling strength is to be provided. here it is intended to use material of

cold flanging quality for important longitudinal strength members, this steel is to be indicated on the

plans.

1.7 Guidance for Repair

here a special welding procedure is required for the special steels used in the construction,

including any low temperature steel and those materials not in Chapters 1 and 2 of the ABS R0+*) 41/ (5*/,(+) (-' *+',-: 6<(/5 7, a set of plans showing the following information for each steel

should be placed aboard the barge or vessel.

" Material Specification

" elding procedure

" Location and extent of application

These plans are in addition to those normally placed aboard which are to show all material applications.

1.9 Materials Containing Asbestos !"##$%

See 4-1-1J21.



Part 3 Hull Construction and EquipmentChapter 1 GeneralSection 2 General Requirements 3-1-2


3 Scantlings

3.1 General

Sections having appropriate section moduli or areas, in accordance with their functions in the structure

as stiffeners, columns or combinations of both, are to be adopted, due regard being given to the

thickness of all parts of the sections to provide a proper margin for corrosion. It may be required that

calculations be submitted in support of resistance to buckling for any part of the vesselZs structure.

3.3 Workmanship

All workmanship is to be of commercial marine quality and acceptable to the Surveyor. elding is to

be in accordance with the requirements of Section 3-2-6. The Surveyors are to satisfy themselves that

all operators to be employed in the construction of barges and vessels to be classed are properly

qualified in the type of work proposed and in the proper use of the welding processes and procedures

to be followed.

5 Proportions

In general, these Rules are valid for vessels having lengths not exceeding 30 times their depth, and

breadths not exceeding 6 times their depth. Vessels with other proportions will be specially considered.

7 Structural Sections

7.1 Required Section Modulus

The scantling requirements of these Rules are applicable to structural angles, channels, bars, androlled or built-up sections. The required section modulus of members such as girders, webs, etc,

supporting frames and stiffeners is to be obtained with an effective width of plating basis as described

below, unless otherwise noted. The section modulus is to include the structural member in association

with an effective width of plating equal to one-half the sum of the spacing on each side of the member or 33] of the unsupported span !, whichever is less. For girders and webs along hatch openings, an

effective breadth of plating equal to one-half the spacing or 16.5] of the unsupported span !,

whichever is less, is to be used. here channel construction is adopted, as illustrated in 3-2-1JFigure 5and 3-2-2JFigure 5, the required section modulus is to be obtained solely by the channel.

The required section modulus of frames and stiffeners is assumed to be provided by the stiffener and

one frame space of the plating to which it is attached. . For bars or shapes which are not attached to

the plating, the section modulus is to be obtained in the member only. It may be required thatcalculations be submitted in support of the resistance to buckling of longitudinals.

7.3 Serrated Sections

Serrated sections may be used for girders, webs, frames and stiffeners, but the depth of the member is

not to be less than 2 times the depth of any cutout. The cutouts are to be arranged to provide regularly

spaced points of contact with the plating sufficient to obtain the welding required. here supporting

members are cut out for framing and stiffening members, the depth of the cutout should not exceed

50] of the depth of the supporting member.



Part 3 Hull Construction and EquipmentChapter 1 GeneralSection 2 General Requirements 3-1-2


9 Structural Design Details

9.1 General

The designer shall give consideration to the followingW

9.1.1

The thickness of internals in locations susceptible to rapid corrosion.

9.1.2

The proportions of built-up members to comply with established standards for buckling strength.

9.1.3

The design of structural details, such as noted below, against the harmful effects of stress

concentrations and notchesW

,7 Details of the ends, the intersections of members and associated brackets.

,,7 Shape and location of air, drainage, or lightening holes.

,,,7 Shape and reinforcement of slots or cut-outs for internals.

,7 Elimination or closing of weld scallops in way of butts, `softening of bracket toes,

reducing abrupt changes of section or structural discontinuities.

9.1.4

Proportions and thickness of structural members to reduce fatigue response due to cyclic

stresses, particularly for higher-strength steels.

9.3 Termination of Structural Members

Unless permitted elsewhere in the Rules, structural members are to be effectively connected to the

adQacent structures in such a manner as to avoid hard spots, notches and other harmful stress

concentrations. here members are not required to be attached at their ends, special attention is to be

given to the end taper, by using soft-toed concave brackets or by a sniped end of not more than 30°.

here the end bracket has a face bar, it is to be sniped and tapered not more than 30%. Bracket toes or

sniped ends are to be kept within 25 mm (1.0 in.) of the adQacent member, and the depth at the toe or

snipe end is generally not to exceed 15 mm (0.60 in.). here a strength deck or shell longitudinal

terminates without end attachment, it is to extend into the adQacent transversely framed structure or

stop at a local transverse member fitted at about one transverse frame space beyond the last floor or

web that supports the longitudinal.



ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS ! 007 35

! " # $ & ' ( ) * + , - . / 0 1 1 2 * , 0 3 * 0 , + 4 ( 5 6 " , , ( 5 7 + 8 + 5 * 4

3& / " ! $ 9 # 2 Hull Structures and Arrangements

CONTENTS

SECTION 1 Tank Barges..........................................................................41

: "))1;3(*;<5 >:

? &1(44;@;3(*;<5>:

A 2*,03*0,(1 ",,(57+8+5*>:

A: B+*C++5 *'+ #(D+4>:

A? #(D+4>-

AA E<0F1+ 2D;5 &<54*,03*;<5 >-

G H<57;*06;5(1 2*,+57*'>?

G: E+@;5;*;<54 >?

G? H<(6;57 &<56;*;<54 >?

GA H<(6;57IJ51<(6;57 2+K0+53+4 (56 B+56;57 L<8+5* &(1301(*;<54 >?

GG /011 M;,6+, 2+3*;<5 L<60104 >>

GN O*+84 O53106+6 ;5 *'+ 2+3*;<5 L<60104 &(1301(*;<5 >A

N E+3D (56 $,05D !1(*;57>A

N: B+*C++5 *'+ #(D+4>A

N? #(D+ E+3D4 >A

:: P,(8+4>Q

:? $,044+4 >Q

:?: $<) (56 B<**<8 &'<,64 >Q

:?? 2*(53';<54 >Q

:?A E;(7<5(14 >G

:A R+F P,(8+4S M;,6+,4 (56 2*,;57+,4>G :G $(5D /+(6 @<, 23(5*1;574 >G

:G: !,+440,+ 2+**;57 T:- D7@I38-

U:G )4;V <, H+44 >G

:G? !,+440,+ 2+**;57 WX+, T:- D7@I38-

U:G )4;V >Y

:N B01D'+(64 >Y

:N: ",,(57+8+5* >Y

:N? &<54*,03*;<5 <@ $(5D B<056(,Z B01D'+(64 >N

:NA &<54*,03*;<5 <@ W*'+, R(*+,*;7'* B01D'+(64 AT

-: 2'+11 !1(*;57AT

-:.: B<**<8 2'+11AT

-:? 2;6+ 2'+11 A: -:A B;17+ !1(*;57 A:



36 ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS ! 007

-:G $(5D 2)(3+4 A:

-:N B;17+ "571+4 A:

-? /(*3'+4 (56 P;**;574 A:

-?: /(*3'C(Z4A:

-?? E+3D P;**;574A:

-A B(,7+ #+;5@<,3+8+5* A:

-A: M+5+,(1A:

-A? #+;5@<,3+8+5*A-

$"BH9 : B,(3D+*4 A?

POMJ#9 : B;17+ B,(3D+*A>

POMJ#9 - O5*+,8+6;(*+ B;17+ B,(3D+*A>

POMJ#9 ? "1*+,5(*;X+ ",,(57+8+5* A>

POMJ#9 > M05C(1+ B,(3D+*AA

POMJ#9 A $(5D B(,7+AQ

POMJ#9 Q $(5D B(,7+AG

POMJ#9 G $(5D B(,7+AY

POMJ#9 Y E<0F1+ 2D;5 $(5D B(,7+AN

POMJ#9 Y" $,05D $<) B+(8 956 &<55+3*;<5QT

POMJ#9 N E<0F1+ 2D;5 $(5D B(,7+Q:

POMJ#9 N" $,05D $<) $,(54X+,4+ 956 &<55+3*;<5Q-

POMJ#9 :T E<0F1+ 2D;5 $(5D B(,7+Q?

POMJ#9 :: #(D+ P,(8;57Q>

SECTION 2 Dry Cargo Barges ................................................................ 65

: "))1;3(*;<5 QA

? 2*,03*0,(1 ",,(57+8+5*QA

?: B+*C++5 *'+ #(D+4 QA

?? #(D+4 QQ

A H<57;*06;5(1 2*,+57*'QQ

A: 2+3*;<5 L<60104QQ

A? 2+3*;<5 L<60104 C;*' &<5*;50<04 &<(8;57 QQ

G E+3D !1(*;57QQ G: L;5;808 $';3D5+44QQ

G? B+*C++5 *'+ #(D+4 QQ

GA R(*+,*;7'* E+3D4QG

GG &(,7< E+3D4QG

GN R'++1 H<(6+6 2*,+57*' E+3D4QG

N P,(8+4QG

:: $,044+4 QY

::: $<) (56 B<**<8 &'<,64 QY

::? 2*(53';<54QY

::A E;(7<5(14 QY :? R+F P,(8+4S M;,6+,4 (56 2*,;57+,4QN




:A B01D'+(64 QN

:A: &<54*,03*;<5 <@ $(5D B<056(,Z B01D'+(64 QN

:A? &<54*,03*;<5 <@ W*'+, R(*+,*;7'* B01D'+(64 QN

:G 2'+11 !1(*;57GT

:G: B<**<8 2'+11 GT

:G? 2;6+ 2'+11 GT

:GA B;17+ !1(*;57 G:

:GG B;17+ "571+4 G:

:N O55+, B<**<84S /(*3'+4 (56 P;**;574G:

:N: O55+, B<**<8 !1(*;57 G:

:N? /(*3'C(Z4 G-

:NA /(*3' &<X+,4 G-

:NG &<5*;50<04 H<57;*06;5(1 /(*3' &<(8;574 G-

:NN E+3D P;**;574 G-

:N:: &(,7< B<[+4 G? -: B(,7+ #+;5@<,3+8+5*G?

-:: M+5+,(1 G?

-:? #+;5@<,3+8+5*G?

POMJ#9 : B;17+ B,(3D+*G>

POMJ#9 - O5*+,8+6;(*+ B;17+ B,(3D+*G>

POMJ#9 ? "1*+,5(*;X+ ",,(57+8+5* G>

POMJ#9 > "1*+,5(*;X+ &'(55+1 &<54*,03*;<5 (* B;17+ GA

POMJ#9 A E+3D B(,7+ GQ

POMJ#9 Q E+3D B(,7+ GG

POMJ#9 G E+3D B(,7+ GY

POMJ#9 Y /<))+, B(,7+GN

POMJ#9 N /<))+, B(,7+YT

POMJ#9 :T E<0F1+ 2D;5 /<))+, B(,7+ Y:

POMJ#9 :: E<0F1+ 2D;5 /<))+, B(,7+ C;*' E+3D'<04+Y-

POMJ#9 :- E<0F1+ 2D;5 /<))+, B(,7+ Y?

POMJ#9 :? R'++1 H<(6;57 &0,X+4 <@ K Y>

SECTION 3 Barges Intended to Carry Dangerous ChemicalCargoes in Bulk....................................................................85

: "))1;3(*;<5 YA

? &1(44;@;3(*;<5YA

A 20F8;44;<5 <@ E(*(YA

G $Z)+ O (56 $Z)+ OO B(,7+4 C;*' O5*+7,(1 $(5D4YQ

G: E+@;5;*;<54 YQ

G? $(5D ",,(57+8+5* YQ

GA H<57;*06;5(1 2*,+57*' YG

GG E+3DI$,05D $<) $,(54X+,4+4 YY

GN $,(54X+,4+ B+(84YN




SECTION 4 Towboats .............................................................................. 91

: "))1;3(*;<5 N:

? 2*,03*0,(1 ",,(57+8+5*N:

?: P,(8;57 N:

?? H<57;*06;5(1 R+F4N:

A H<57;*06;5(1 2*,+57*'N:

G E+3D !1(*;57N-

G: 2*,+57*' E+3D4N-

G? W*'+, H<3(*;<54 N-

N P,(8+4N-

N: B<**<8 H<57;*06;5(14 N-

N? 2;6+ (56 E+3D P,(8;57N-

NA P,(8;57 ;5 $055+14N?

:: 2*(53';<54 N?

::: !+,8;44;F1+ H<(6N?

::? &(1301(*+6 H<(6 N?

:? R+F P,(8+4S M;,6+,4 (56 2*,;57+,4N>

:A B01D'+(64 N>

:A: ",,(57+8+5*N>

:A? &<54*,03*;<5 <@ $(5D B<056(,Z B01D'+(64 N>

:AA &<54*,03*;<5 <@ W*'+, R(*+,*;7'* B01D'+(64 NA

:G 2'+11 !1(*;57NA

:G: B<**<8 2'+11 NQ

:G? 2;6+ 2'+11 NQ

:GA B;17+ (56 $055+1 !1(*;57NQ

:GG B;17+ "571+4 NQ

:N E+3D'<04+4 NQ

:N: 23(5*1;574NQ

:N? 2;11 /+;7'* NQ

-: \++14S 2*+84 (56 2*+,5 P,(8+4NG

-:: B(, \++14NG

-:? P1(* !1(*+ \++14 NG

-:A B(, 2*+84NG

-:G 2*+,5)<4*4 NG

-:N 2*+,5 P,(8+4NY

-? #066+,4NY

-?: L(*+,;(14NY

-?? "))1;3(*;<5NY

-?A #066+, 2*<3D4NY

-?N #066+,4NN

-?:: &<0)1;574 NN

POMJ#9 : $<CF<(* P,(8;57:TT




SECTION 5 Passenger Vessels............................................................. 101

: "))1;3(*;<5 :T:

:: 2+,X;3+ :T:

:? ](*;<5(1 #+701(*;<54 :T:

? &1(44;@;3(*;<5:T:

A 2*,03*0,(1 ",,(57+8+5*:T:

A: P,(8;57:T:

A? H<57;*06;5(1 R+F4 :T:

G H<57;*06;5(1 2*,+57*':T-

G: /011 M;,6+, 2+3*;<5 L<60104 :T-

G? /011 M;,6+, L<8+5* <@ O5+,*;( :T-

GA /011 M;,6+, 2'+(, 2*,+57*' :T-

N E+3D !1(*;57:T?

N: 2*,+57*' E+3D4 :T?

N? 20)+,4*,03*0,+ E+3D4 :T?

NA R'++1 H<(6+6 E+3D4 :T?

NG W*'+, H<3(*;<54 :T?

:: P,(8+4:T?

::: B<**<8 H<57;*06;5(14 :T?

::? 2;6+ (56 E+3D P,(8;57 :T>

::A P,(8;57 ;5 $055+14 :T>

:? 2*(53';<54 :T>

:?: !+,8;44;F1+ H<(6 :T>

:?? &(1301(*+6 H<(6 :TA

:A R+F P,(8+4S M;,6+,4 (56 2*,;57+,4:TQ :A: !,<)<,*;<54 :TQ

:G B01D'+(64 :TG

:G: ",,(57+8+5* :TG

:G? &<54*,03*;<5 <@ $(5D B<056(,Z B01D'+(64 :TG

:GA &<54*,03*;<5 <@ W*'+, R(*+,*;7'* B01D'+(64 :TY

:N 2'+11 !1(*;57:TN

:N: B<**<8 2'+11 :TN

:N? 2;6+ 2'+11 :TN

:NA B;17+ (56 $055+1 !1(*;57 ::T

:NG B;17+ "571+4 ::T -: E+3D'<04+4 ::T

-:: 2;6+ (56 956 B01D'+(64 ::T

-:? W)+5;574 ;5 B01D'+(64 :::

-:A E<<,4 @<, "33+44 W)+5;574 :::

-:G 2;114 <@ "33+44 W)+5;574 :::

-? \++14S 2*+84 (56 2*+,5 P,(8+4:::

-?: B(, \++14 :::

-?? P1(* !1(*+ \++14 :::

-?A B(, 2*+84 :::

-?G 2*+,5)<4*4::- -?N 2*+,5 P,(8+4 ::-




-A #066+,4::-

-A: L(*+,;(14::-

-A? "))1;3(*;<5::?

-AA #066+, 2*<3D4::?

-AG #066+,4::A

-AN &<0)1;574 ::A

-A:: #066+, 2*<)4 ::A

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SECTION 6 Weld Design ....................................................................... 119

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:: M+5+,(1::N

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:A $++^$Z)+ 956 &<55+3*;<54::N

:G W*'+, $++^$Z)+ &<55+3*;<54 ::N

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::? WX+,1())+6 2+(84:-T

::A !107 R+164 <, 21<* R+164 :-T

? "1*+,5(*;X+4 :-T

$"BH9 :" E<0F1+ &<5*;50<04 P;11+* R+16 2;a+4 bL;11;8+*+,4:-:

$"BH9 :B E<0F1+ &<5*;50<04 P;11+* R+16 2;a+4 b O53'+4:-?

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! " # $ 2 + 3 * ; < 5 : . $ ( 5 D B ( , 7 + 4


2 9 & $ O W ] 1 Tank Barges

1 ApplicationThe following Rules and Tables apply to barges intended for the transportation of liquid cargoes in

bulk in services which require operation in comparatively smooth water exclusively, such as in rivers,

intracoastal waterways, etc. For additional chemical tank barge requirements see Section 3-2-3.

3 Classification

The classification ! A1 Oil Tank Barge, River Service is to be assigned to vessels designed for

the carriage of oil (See 3-1-1/21) cargoes in bulk, and built to the requirements of this Section and

other relevant Sections of these Rules. Vessels intended to carry fuel oil having a flash point above

60°C (140°F), closed cup test, and to receive classification ! A1 Fuel Oil Tank Barge, River Service

are to comply with the requirements of this section and other relevant sections of these Rules with the

exception that the requirements for cofferdams and gastight bulkhead may be modified.

5 Structural Arrangement

5.1 Between the Rakes

A:: P,(8;57

Framing may be arranged either longitudinally, transversely or a combination of both.

Longitudinal frames are to be supported by regularly spaced transverse deep frames formed

either by channels extending across the inner faces of the longitudinal frames, or by flanged plates notched over the frames and attached to the shell or deck and the longitudinals.

At bulkheads, longitudinals are to be attached at their ends to develop effectively the sectional

area and resistance to bending.

A:- $,044+4

Trusses are to be arranged as necessary for the support of the framing. In vessels with

transverse frames, the trusses are to extend fore and aft and be arranged to limit the spans of

the frames to a maximum of 4 m (13 ft). With longitudinal framing, they may extend either

fore and aft or athwartships.



Part 3 Hull Construction and EquipmentChapter 2 Hull Structures and ArrangementsSection 1 Tank Barges 3-2-1


In all vessels where the ratio of L to ( D + 1/2 the deck crown) exceeds 20, at least one fore-

and-aft single laced truss is to be fitted on each side of the centerline and where the ratioexceeds 25, at least one fore-and-aft double laced truss or two single laced trusses are to be

fitted on each side in the latter case the diagonal bracing in the two trusses on each side

should be reversed in direction with each other to provide tension members whether the

conditions of load create either hogging or sagging forces.

A:? B;17+ (56 M05C(1+ B,(3D+*4

In tanks where the radius at the bilge exceeds 305 mm (12 in.), the bilge brackets connecting

the lower ends of vertical side frames with transverse bottom frames are to be cut to fit

against and support the bilge plate. In longitudinally framed vessels, a similar arrangement

will be required at each main transverse frame and in addition, intermediate brackets are to be

fitted spaced not over 0.9 m (3 ft) apart. See 3-2-1/Figures 1 and 2. Similar brackets may

be required to be fitted at the gunwales where no gunwale angle is used. See 3-2-1/Figure 4.

As an alternative to the fitting of bilge brackets, an additional inverted angle or flat bar

longitudinal may be fitted as shown in 3-2-1/Figure 3.

5.3 Rakes

The bottom and deck framing is to consist of longitudinal bottom frames and beams, at tached to the

rake bulkheads by effective brackets and to the head log by deep diaphragm plates or by a system of

vertical channels which in turn support horizontal stiffening on the head log. The longitudinal bottom

frames and beams are to have intermediate supports obtained by a system of strut angles extending

between each corresponding beam and frame to form an effective longitudinal truss, or as an

alternative, stanchions and diagonals may be fitted on the longitudinal frames at regular intervals in

association with channel or flanged plate transverses for the support of the intervening rake frames

and beams. A typical arrangement is shown in 3-2-1/Figure 11.

The sides of rakes may be framed vertically, diagonally or horizontally.

Special heavy plates are to be fitted to form the head logs and these are to be terminated at the corners

of the barge in special heavy castings or weldments.

5.5 Double Skin Construction

These Rules contain requirements for single skin as well as double skin tank barges. Consideration

is to be given to double skin construction as may be required by governmental regulations for certain

types of cargoes.

For an oil barge of U.S. registry less than 10,000 DWT in service exclusively on inland or limited

short protected coastwise routes, 33CFR157.10d(d) specifies the following double hull dimensions

and clearances:

" Double Bottom 610 mm (2 ft) measured at right angles to the bottom shell

" Wing Tank or Space 610 mm (2 ft) measured at right angles to the side shell.

A minimum clearance of 460 mm (18 in.) for passage between framing must be maintained throughout

the double sides and double bottom.





7 Longitudinal Strength (2001)

7.1 Definitions

G:: H;8;*;57 E,(@*

A limiting draft is the maximum draft to which cargo of the specified densities may be loaded.

G:- /<8<7+5+<04 &(,7<

Homogeneous cargo is a cargo having a density which, when all cargo tanks are completely

filled, will submerge the barge to the approved limiting draft. The density of homogeneous

cargo is obtained by dividing the cargo deadweight at that limiting draft by the total volume

of all cargo tanks.

G:? ")),<X+6 &(,7< E+54;*Z

Approved cargo density is the maximum density corresponding to the limiting draft. It is not

to be less than the density of homogeneous cargo or 1.05 whichever is greater.

7.3 Loading Conditions

The following definitions of loading conditions are to be understood for the purpose of these Rules.

G?: ]<,8(1 &<56;*;<54

Normal conditions are those expected during the normal operation of the barge, including

intermediate conditions during loading and unloading.

While in transit, the barge is assumed to be full with homogeneous cargo, unless bending

moment calculations are submitted for other condition intended for normal operation.

G?- /;7' E+54;*Z &(,7< &<56;*;<5

A high density cargo condition is a condition expected during the normal operation of the barge

including intermediate conditions during loading and unloading wherein tanks are loaded with

cargo having the maximum approved density that is in excess of homogeneous cargo density.

7.5 Loading/Unloading Sequences and Bending Moment Calculations

For tank barges of 53 m (175 ft) or above in length, loading/unloading sequences and bending moment

calculations are to be submitted for review as follows:

GA: H<(6;57I051<(6;57 2+K0+53+4

For each cargo loading condition, a step by step description of the sequence of loading andunloading is to be submitted together with the mass of cargo in each tank at every step.

GA- B+56;57 L<8+5* &(1301(*;<54

Bending moment calculations are to be submitted where any of the following conditions apply:

i) Where conditions other than homogeneous cargo condition are contemplated. See3-2-1/7.3.1,

ii) For high density cargo conditions, or

iii) For any step of loading/unloading as may be required after review of the loading/unloading sequence required above.





7.7 Hull Girder Section Modulus

The hull girder section modulus within the midship 0.5 L for vessels of 53 meters (175 feet) in length

or above is to be not less than obtained from the following equation:

SM = M sw/ f P cm2

-m (in2

-ft)

where

SM = minimum required hull girder section modulus, in cm2-m (in2-ft)

M sw = maximum calculated still water bending moment or M s, whichever is greater, in

tf-m (Ltf-ft). See 3-2-1/7.5.

M s = a standard still water bending moment

= L2 BD/5.76 kN-m for SI units

= L2 BD/56.44 tf-m for MKS units

= L2 BD/2025 Ltf-ft for US units

f p = nominal permissible bending stress of 13.1 kN/cm2 (1.34 tf/cm2, 8.5 Ltf/in2).

for compressive side, f p is not to be taken greater than 0.67 times the reference

stress ( f r ) as specified below, or permissible stress f as specified in 3-2-3/7.5.3(b)

whichever is less.

f r = kf cC 2 + (a/ st )/1 + (a/ st ) f y for longitudinally framed deck or bottom

= C 2 s/b + 0.115(1 s/b)(1 + 1/ @2)2 f y for transversely framed deck or bottom

C 2 = 2.25/ @ 1.25/ @2 for @ 1.25

= 1 for @ 1.25k = 0.8 for serrated longitudinals

= 0.95 for non-serrated longitudinals

f c = f E for f E 0.6

= 1 0.24/ f E for f E 0.6

f E = & 2 EI /!2(a + C 2 st ) f y

a = area of longitudinal, in mm2 (in2)

@ = ( f y /E)1/2 s/t

s = spacing of the deck/bottom longitudinals or beams, in mm (in.)

b = unsupported length of the deck/bottom transverse beams/frames, in mm (in.)

t = thickness of the deck/bottom plating, in mm (in.)

f y = yield strength of the deck/bottom material, in N/cm2 (kgf/cm2, lbf/in2)

E = modulus of elasticity, in N/cm2 (kgf/cm2, lbf/in2)

I = moment of inertia of the deck/bottom longitudinal associated with the effective

deck/bottom plating in cm4 (in4)

L, B and D are as defined in Section 3-1-1.

Beyond the midship 0.5 L, scantlings may be tapered to their normal requirements.





7.9 Items Included in the Section Modulus Calculation

In general, the following items may be included in the calculation of the section modulus.

" Deck and trunk plating

" Shell and inner bottom plating

" Deck and bottom girders

" Plating and longitudinal stiffeners of longitudinal bulkheads

" All longitudinals of deck, trunk, sides, bottom and inner bottom

All items are to be continuous or effectively developed at the transverse bulkheads and all other joints.

In general, the net sectional areas of longitudinal-strength members are to be used in the hull girder

section modulus calculation.

9 Deck and Trunk Plating


The thickness of deck, trunk and trunk side plating between the rakes is to be not less than the greater

of 3-2-1/9.1.1 or 3-2-1/9.1.2 below.

N:: L;5;808 $';3D5+44

The thickness of plating is to be not less than determined by the following equations.

" With Transverse Beams

t = 0.066 L + 3.5 mm t = 0.0008 L + 0.14 in.

" With Longitudinal Beams

t = 0.066 L + 2.5 mm t = 0.0008 L + 0.10 in.

Note The thickness of decks and trunk tops and sides with longitudinal beams and L ' 79 meters (260 feet)

need not be greater than 8.0 mm (0.31 in. except as required to provide adequate hull girder strength and

resistance to buckling. For decks and trunks with longitudinal beams, for L ' 30.5 meters (100 feet ), the

thickness of the deck and trunk top and side plating is to be not less than 4.5 mm (0.18 in.).

N:- $';3D5+44 @<, &<8),+44;<5 (2001)

The thickness of plating is to be not less than what is required for longitudinal hull girder

strength (see 3-2-1/7).

9.3 Rake DecksThe thickness of rake deck plating is to be not less than 0.01 mm (0.01 in.) per mm (in.) of frame

spacing.





11 Frames

Each frame, in association with the plating to which it is attached, is to have a section modulus, SM ,not less than obtained from the following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = coefficient appropriate to the member under consideration and the type of

construction employed as given in 3-2-1/Figures 5 through 11

= 1.0 for rake side frames

h = distance from the middle of ! to the deck at side, in m (ft)

= for rake bottom frames, the vertical distance from the middle of ! to the height of

the deck at side at the rake bulkhead, in m (ft)

= for rake deck transverses and longitudinals, 1.2 m (4.0 ft)

= in way of tanks, h as defined in 3-2-1/17, but not to be taken less than he as

indicated in 3-2-1/Figures 8 and 9 for bottom transverses and floors on doubleskin tank barges with void wing compartments

s = member spacing in m (ft)

! = unsupported span of the member, in m (ft). Where brackets of the thicknesses

given in 3-2-1/Table 1 are fitted, ! may be measured to a point 25 of the extentof the bracket beyond its toe.

Rake side vertical frames are to be fitted at their upper and lower ends with brackets extending over to

the first adjacent longitudinal beam or frame.

13 Trusses

13.1 Top and Bottom Chords

Each top and bottom chord is to have a section modulus, SM , not less than obtained from the following

equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where c, h, s and ! are as defined in 3-2-1/11.

13.3 Stanchions

The spacing of truss stanchions is generally not to exceed the depth of the truss.

:??: !+,8;44;F1+ H<(6

The permissible load, W a, of each stanchion is to be obtained from the following equation and

is to be not less than the calculated load W given in 3-2-1/13.3.2 below.

W a = k n!/r A tf (Ltf)

where

k = 1.232 (7.83)

n = 0.00452 (0.345)





! = unsupported span of the stanchion, in cm (ft)

r = least radius of gyration, in cm (in.)

A = cross sectional area of the stanchion, in cm2 (in2)

:??- &(1301(*+6 H<(6

The calculated load for each truss stanchion is to be determined by the following equation:

W = nbhs tf (Ltf)

where

n = 1.07 (0.03)

b = mean breadth of the area supported, in m (ft)

h = distance from the bottom shell at the center of the area supported to the

underside of the deck plating at side, in m (ft)

s = spacing of the stanchions, in m (ft)

13.5 Diagonals

Diagonals in trusses are to have a sectional area of approximately 50 of that of the stanchions.

15 Web Frames, Girders and Stringers

Each web frame, girder and stringer is to have a section modulus, SM , not less than obtained from the

following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3


17 Tank Head for Scantlings

Except for stanchions (see 3-2-1/13.3.2), the scantling head of structural members in tanks is to be

obtained from 3-2-1/17.1 or 3-2-1/17/3 depending upon the pressure setting of the pressure-vacuum

valve.

17.1 Pressure Setting 0.12 kgf/cm2 (1.7 psi) or Less

The scantling head, h, in m (ft), is not to be less than h1, nor less than ho, where spill valves or

rupture disks are fitted in lieu of high level alarms.

h1 = ( ht + 1.2 m h1 = ( ht + 4.0 ft

h1 is not to be less than the distance to the top of the hatch.

where

ho = (2/3)( ( h s + 10 p s) m ho = (2/3)( ( h s + 2.3 p s) ft

( = 1.0 where specific gravity of the liquid is 1.05 or less

= specific gravity of liquid where it is in excess of 1 .05





ht = head from the center of the supported area or lower edge of the plating to the

deck at side for tanks outside trunks, or to the top of the trunk at side for tankswithin trunks.

h s = head to the spill valve or rupture disc, where fitted, in m (ft)

p s = relieving pressure of spill valve or rupture disc, where fitted, in kgf/cm2 (psi)

17.3 Pressure Setting Over 0.12 kgf/cm2 (1.7 psi)

The scantling head is to be in accordance with 3-2-1/17.1, except that h2 is to be used in lieu of h1.

h2 = ( ht + 10 p m h2 = ( ht + 2.3 p ft

where

p = pressure setting of pressure-vacuum valve, in kgf/cm2 (psi)

19 Bulkheads

19.1 Arrangement

:N:: 20F6;X;4;<5

It is assumed that those responsible for the design of the vessels have assured themselves that

the subdivision is such as to ensure sufficient stability in service when the tanks are being

filled or emptied. The length of the tanks and the positions of longitudinal bulkheads are to be

such as to avoid excessive stresses in the hull structure.

:N:- &<@@+,6(84

In vessels intended for the carriage of flammable or combustible liquids having flash points at

or below 60°C (140°F) (closed-cup test), bulkheads are to be arranged to provide cofferdams

between the cargo tanks and any spaces used for living quarters, general cargo, or containing

machinery where sources of vapor ignition are normally present. Spaces containing cargo

pumps, steam pumping engines or which are used as tanks for products having flash points

not less than 60°C (140°F) (closed-cup test) may be considered as cofferdams for the purpose

of this requirement, but in the latter case the piping and pumping arrangements for the high

flash point liquid are to be entirely separate from and have no means for connection with the

arrangements for handling the low flash point products.

:N:? !08) #<<84

Spaces containing pumps, piping and valves for handling flammable or combustible liquidshaving flash points below 60°C (140°F) (closed-cup test) are to be completely separated from

all sources of vapor ignition by gastight bulkheads. Steam driven engines are not considered

sources of vapor ignition for the purposes of this requirement. The gastight bulkheads may be

pierced by fixed lights for lighting from outside sources and by pumping engine shafts and

control rods, provided the shafts and rods are fitted with efficient stuffing boxes where they

pass through the bulkhead.





19.3 Construction of Tank Boundary Bulkheads

:N?: !1(*;57

Plating is to be of thickness obtained from the following equation:

t = ( s h /254) + 1.78 mm (min. t = 5 mm)

t = ( s h /460) + 0.07 in. (min. t = 0.20 in.)

where

h = height, in m (ft), in accordance with 3-2-1/17.

s = for flat plate bulkheads, the spacing of stiffeners. in mm (in.)

= for corrugated bulkheads, the greater of dimensions a or c as indicated in

Section B-B of 3-2-1/Figures 8 and 9.

For corrugated bulkheads, the angle is to be 45° or more

:N?- 2*;@@+5;57

The ends of stiffeners are to be either bracketed or clipped, and those of trunk top transverse

beams are to be effectively attached as shown in 3-2-1/Figure 8a or 3-2-1/Figure 9a. Each

stiffener, in association with the plating to which it is attached, is to have a section modulus

SM not less than obtained from the following equation:

SM = 7.8csh!2 cm3 SM = 0.0041chs!2 in3

where

c = 1.00

h = height, in m (ft), in accordance with 3-2-1/17 s = stiffener spacing, in m (ft)

= for corrugated bulkheads, a + b where a and b are as indicated in Section

B-B of 3-2-1/Figures 8 and 9

! = as defined in 3-2-1/11

= for corrugated bulkheads, the distance between the supporting members,

in m (ft)

The developed section modulus, SM, for corrugated bulkheads may be obtained from the

following equation, where a, t and d are as indicated in Section B-B, 3-2-1/Figures 8 and 9.

SM = (td 2

/6) + (adt /2)

:N?? E,(;5(7+ (56 ";, 943()+

Limber and air holes are to be cut in all parts of the structure as required to ensure the free

flow to the suction pipes and the escape of air to the vents. Efficient arrangements are to be

made for draining the spaces above deep tanks.





19.5 Construction of Other Watertight Bulkheads

:NA: !1(*;57


t = ( s h /290) + 1.0 mm (min. t = 4.5 mm)

t = ( s h /525) + 0.04 in. (min. t = 0.18 in.)

where

s = as defined in 3-2-1/19.3.1

h = vertical distance measured in m (ft) from the lower edge of the plate to

the height of the deck at centerline.

:NA- 2*;@@+5;57

Each stiffener, in association with the plating to which it is attached, is to have a section

modulus SM not less than obtained from the following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 0.46

h = vertical distance from the middle of ! to the deck at centerline, in m (ft)

s = for flat plate bulkheads, stiffener spacing, in m (ft)

= for corrugated bulkheads, a + b where a and b are as indicated in Section

B-B of 3-2-1/Figures 8 and 9

! = as defined in 3-2-1/19.3.2

Stiffeners on these bulkheads may have unattached sniped ends provided the above value of

SM is increased 25.

The developed section modulus, SM , for corrugated bulkheads may be obtained as indicated

in 3-2-1/19.3.2.

21 Shell Plating

21.1 Bottom Shell The thickness of the bottom shell plating throughout is not to be less than determined by the followingequation:

t = 0.069 L + 0.007 s 0.5 mm (min. t = 5 mm)

t = 0.000825 L + 0.007 s 0.02 in. (min. t = 0.20 in.)

where

s = stiffener spacing, in mm (in.)

L = length of the vessel, in m (ft)





21.3 Side Shell

The thickness of the side shell plating is to be not less than determined by the following equation and

not less than 5 mm (0.20 in.).

t = 0.069 L + 0.007 s 1.0 mm L 73 mt = 0.069 L + 0.007 s 1.5 mm L ' 73 m

t = 0.000825 L + 0.007 s 0.04 in. L 240 ft

t = 0.000825 L + 0.007 s 0.06 in. L ' 240 ft

21.5 Bilge Plating

Where radiused bilges are used, the bottom thickness is to extend to the upper turn of the bilge.

Where the radius at the bilge exceeds 305 mm (12 in.), the thickness of the plating should be at least

1.5 mm (0.06 in.) greater than the required thickness for side plating.

21.7 Tank SpacesIn way of the cargo tanks the bottom, side and bilge plating are not to have less thickness than

required by 3-2-1/19.3.1 for the plating of deep tank bulkheads where the spacing of the stiffeners is

equal to the frame spacing and the value of h in accordance with 3-2-1/17.

21.9 Bilge Angles

Where angles are used at the bilges or gunwales they are to have a thickness at least 1.5 mm (0.06 in.)

greater than that of the thinner of the two plates joined.

23 Hatches and Fittings

23.1 Hatchways

Hatchways of sufficient size to provide access and ventilation and having substantial oiltight steel

covers are to be fitted to each tank. Where openings are located close to the gunwales, doubling plates

or other compensation may be required.

23.3 Deck Fittings

The structure in way of cleats, bitts and chocks is to be suitably reinforced by installation of headers,

additional beams, brackets or doubling plates

25 Barge Reinforcement

25.1 General

The following paragraphs are intended to provide for additional protection against contact with locks

and river bottom and against other wear and tear damage associated with normal operation with other

floating equipment.

A design intended for Classification will be reviewed for compliance with 3-2-1/25.3 when requested.

A notation Reinforcement A or Reinforcement B will be entered in the Record indicating compliance

with all of the requirements for reinforcement A or B in 3-2-1/25.3.





25.3 Reinforcement

Where the option for reinforcement in 3-2-1/25.1 is chosen, the hull parts to be reinforced are

given in the following table, the reinforced plate thicknesses are to be not less than given in column

Reinforcement A or column Reinforcement B, as appropriate.

Reinforcement A Reinforcement B

Bilge radius for full-length of barge(knuckle plate)

t min = 16.0 mm (5/8 in.) t min = 12.5 mm (1/2 in.)

Side shell t min = 11.0 mm (7/16 in.) t min = 9.5 mm (3/8 in.)

Headlog and sternlog plate t min = 19.0 mm (3/4 in.) t min = 16.0 mm (5/8 in.)

Transom side and bottom periphery

(picture frame) platest min = 16.0 mm (5/8 in.) t min = 12.5 mm (1/2 in.)

All side shell, bottom shell and deck structural members in wing and rake

compartments

Use appropriate Rule coefficients with1.83 m (6 ft) overflow above deck at side.

Where no wing tanks are fitted, the

reinforcement is to apply to the side shellstructure in way of cargo tanks and the

side, bottom and deck structure in way of rakes.






TABLE 1Brackets

d

f

d 0.25d

! ) For stiffeners

and frames

Metric Units

Thickness, mm Length of Face, f

mm Plain Flanged

Width of Flange

mm

Not exceeding 455 6.5 --- ---

Over 455 to 660 8.0 6.5 50

Over 660 to 915 9.5 8.0 63

Over 915 to 1370 11.0 9.5 75

US Units

Thickness, mm Length of Face, f in. Plain Flanged

Width of Flangein.

Not exceeding 18 1/4 --- ---

Over 18 to 26 5/16 1/4 2

Over 26 to 36 3/8 5/16 21/2

Over 36 to 54 7/16 3/8 3





FIGURE 1Bilge Bracket (see 3-2-1/5.1.3)

Floor

Side frame

FIGURE 2Intermediate Bilge Bracket (see 3-2-1/5.1.3)

Side longitudinal

Bottom longitudinal

FIGURE 3Alternative Arrangement (see 3-2-1/5.1.3)

Additional longitudinal





FIGURE 4Gunwale Bracket (see 3-2-1/5.1.3)

Side longitudinal

Deck longitudinal





FIGURE 5Tank Barge

A

ACL s for longitudinals

! for sidetransversesand stanchions

ht

for sidetransversesand stanchions

ht

for sidelongitudinals

ht

for bottomlongls andtransverses

h for stanchions

!/2

! for deck and bottomtransverses

b for stanchions

! for longitudinals

s for stanchions

and transverses

Section A-A

Bottom transverse c = 1.08 Bottom longitudinal c = 1.28

Side transverse c = 1.75 Side longitudinal c = 1.28

Deck transverse c = 1.08 Deck longitudinal c = 1.75

h = in accordance with 3-2-1/17





FIGURE 6Tank Barge

ht

for sidetransverses

ht

for sidelongitudinals

ht

for bottomlongls andtransverses

h for stanchions

A


!/2

! for deck and

bottom trans

b for stanchions

! for bulkheadtransverse

CL ! for sidetransversesand stanchions

!/2

h for bulkheadtransverse

CL

! for longitudinals

s for stanchionsand transverses

Section A-A




C.L. Bulkhead transverse c = 1.08 C.L. Bulkhead longitudinal c = 1.00






FIGURE 7Tank Barge

A

A

CL

ht

for sideframes

ht

for bottomframes and

bottom channels

h for stanchions

ht

for bulkheadstiffeners

! for bottom frameb for stanchions

! for deck beams ! for side frames

! for bulkheadstiffeners

!/2!/2

s for frames

! for top and bottom chords

s for stanchions

s for frames

Section A-A Aternate Section A-A

! for stanchions

Bottom frame c = 1.00 Deck beam c = 1.00

Truss bottom chord c = 1.08 Side frame c = 1.00

Truss top chord c = 1.08






FIGURE 8Double Skin Tank Barge

ht

for side frame

he

floor

ht

for floor

A

A

!/2

B B

!/2

!/2

! for cenerline bulkheadstiffener

! for plate floor in m (ft) between bulkheads

ht

for bulkheadstiffener

ht

for centerline bulkhead stiffener

CL

!

s for plate floor

Section A-A

Section B-BCenterline corrugated bulkhead

b

d

a

c

t

Floor c = 1.00 Bulkhead Stiffener c = 1.00

Centerline bulkhead stiffener c = 1.00 Side frame c = 1.00

Deck beam c = 1.00


(Center compartment liquid cargo)

(Wing compartment void or ballast)





FIGURE 8ATrunk Top Beam End Connection

Section A-A

A

A






h for side longl

he

for bottomtransverse

h for bottom

longitudinals

A

A

!/2

B B!/2

! for plate floor in m (ft) between bulkheads

ht

for bulkheadstiffener

ht

for centerline bulkhead stiffener

CL

!

ht

for bottom transand inner bottom longl

s for longitudinal

ht

for side transverse

! for side trans

Section A-A

Section B-BCenterline corrugated bulkhead

b

d

a

c

t

s for transverse

! for longitudinal

Bottom longitudinal c = 1.08

Side longitudinal c = 1.08 (Wing compartment void)

c = 1.28 (Wing compartment ballast)

Inner bottom longitudinal c = 1.00

Bulkhead stiffener c = 1.00

Centerline bulkhead stiffener c = 1.00

Bottom transverse c = 1.08

Side transverse c = 1.08

Deck transverse c = 1.08

Deck longitudinal c = 1.75



(Wing compartment void or ballast)





FIGURE 9ATrunk Top Transverse End Connection

Section A-A

A

A






!/2

!/2

ht for bulkhead trans(upper span)

ht

for bulkhead trans(lower span)

ht

for strut

! for bulkhead trans(lower span)

! for bulkhead trans(upper span)

ht

for side trans(upper)

h for side trans(upper)

b for strut

CL



Bulkhead transverse c = 1.08



(Wing compartment liquid cargo or ballast)

For side and deck transverses where wing compartment is void, see 3-2-2/Figure 12.





FIGURE 11Rake Framing

! for longitudinals

s for transversesand stanchions

h distance in meters (feet)from bottom of rake at member

A

A

Depth of bargeat side at rake

bulkhead

! for transverses

b for stanchions

! for stanchions

s spacing of rakelongitudinals

Section A-A






! " # $ 2 + 3 * ; < 5 - . E , Z & ( , 7 < B ( , 7 + 4


2 9 & $ O W ] 2 Dry Cargo Barges

1 ApplicationThe following Rules and Tables apply to barges intended for the transportation of general or bulk

cargoes in services which require operation in comparatively smooth water exclusively, such as in

rivers, intracoastal waterways, etc.



?:: P,(8;57

Framing may be arranged either longitudinally, transversely or a combination of both.Longitudinal frames are to be supported by regularly spaced transverse deep frames formed

either by channels extending across the inner faces of the longitudinal frames, or by flanged

plates notched over the frames and attached to the shell or deck and the longitudinals.

At bulkheads, longitudinals are to be attached at their ends to effectively develop the sectional

area and resistance to bending.

?:- $,044+4

Trusses are to be arranged as necessary for the support of the framing. In vessels with

transverse frames, the trusses are to extend fore and aft. With longitudinal framing, they may

extend either fore and aft or athwartships.

In all vessels where the ratio of L to the overall depth of the effective longitudinal material

included in the section modulus calculation (see 3-2-2/5) exceeds 20, special consideration is

to be given to the introduction of longitudinal bulkheads or trusses.

?:? B;17+ (56 M05C(1+ B,(3D+*4

In holds where the radius at the bilge exceeds 305 mm (12 in.), the bilge brackets connecting

the lower ends of vertical side frames with transverse bottom frames are to be cut to fit

against and support the bilge plate. In longitudinally framed vessels, a similar arrangement is

to be required at each main transverse frame and in addition, intermediate brackets are to be

fitted spaced not over 0.9 m (3 ft) apart (see 3-2-2/Figures 1 and 2). Similar brackets may be

required to be fitted at the gunwales where no gunwale angle is used. As an alternative to the

fitting of bilge brackets, an additional inverted angle or flat bar longitudinal may be fitted asshown in 3-2-2/Figure 3.



Part 3 Hull Construction and EquipmentChapter 2 Hull Structures and ArrangementsSection 2 Dry Cargo Barges 3-2-2


3.3 Rakes

For structural arrangement of rakes, see 3-2-1/5.3.

5 Longitudinal Strength

5.1 Section Modulus

The required hull girder section modulus, SM , at amidships is to be obtained from the following

equation:

SM = 0.347( B + 12.19) D L cm2-m for L 76.2 m

SM = 0.00455( B + 12.19) DL2 cm2-m for L ' 76.2 m

SM = 0.005( B + 40) D L in2-ft for L 250 ft

SM = 2.0 * 10-5

( B + 40) DL2

in2

-ft for L ' 250 ftwhere L, B, and D are as defined in Section 3-1-1.

In calculating the section modulus, bottom, bilge, side and inner bottom plating, all bilge, gunwale

and other longitudinal angles and frames if continuous or adequately developed at the transverse

bulkheads and hopper side and other continuous longitudinal bulkheads may be included. The section

modulus to the deck or bottom is obtained by dividing the moment of inertia by the distance from the

neutral axis to the molded deck line at side amidships or to the base line, respectively.

5.3 Section Modulus with Continuous Coaming

Where longitudinal coamings of length greater than 0.14 L are provided, they are to comply with the

requirements of 3-2-2/19.7. Such continuous coamings may be included in the calculation of hull

girder inertia which is to be divided by the sum of the distance from neutral axis to deck at side and

the height of continuous hatch coaming, to obtain the section modulus to the top of the coaming.

7 Deck Plating

7.1 Minimum Thickness

The thickness of deck plating throughout is not to be less than 0.01 mm per millimeter (0.01 in. per inch)

of the spacing of the beams, sb.

7.3 Between the RakesThe thickness of deck plating between the rakes is to be not less than determined by the following

equations:

" With Transverse Beams

t = 0.066 L + 3.5 mm t = 0.0008 L + 0.14 in.

" With Longitudinal Beams

t = 0.066 L + 2.5 mm t = 0.0008 L + 0.10 in.





7.5 Watertight Decks

The thickness of plating of decks intended to provide tight divisions for protection against damage to

the shell is not to be less than that required for ordinary bulkhead plating at the same level plus

1.0 mm (0.04 in.).

7.7 Cargo Decks (2002)

The thickness of plating on which cargo is to be carried is not to be less than determined by the

following equations:

t = 0.00395 s h + 1.5 mm but not less than 5.0 mm

t = 0.00218 s h + 0.06 in. but not less than 0.20 in.

where

h = p/0.721 m ( p/45 ft)

p = uniformly distributed deck load, in tonnes/m2 (lbs/ft2)

s = spacing of the beams, in mm (in.)

In vessels regularly engaged in trades where cargo is handled by grabs or similar mechanical appliances,

it is recommended that flush plating be used in way of the cargo and that increased framing and

thickness be provided.

7.9 Wheel Loaded Strength Decks

Where provision is to be made for the operation or stowage of vehicles having rubber tires, and after

all other requirements are met, the thickness of strength deck plating is to be not less than 110 of the

thickness required for wheel loaded inner bottoms in 3-2-2/19.1.2.

9 Frames

Each frame, in association with the plating to which it is attached, is to have a section modulus, SM ,not less than obtained from the following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = coefficient appropriate to the member under consideration and the type of

construction employed as given in 3-2-2/Figures 5 through 12

= 1.0 for rake side framesh = distance, in m (ft), as given in 3-2-2/Figures 5 through 12

= for rake bottom frames, the vertical distance, in m (ft), from the middle of ! to the

height of the deck at side at the rake bulkhead

= for rake deck transverses and longitudinals, 1.2 m (4.0 ft)

s = member spacing, in m (ft)

! = unsupported span of the member, in m (ft)

Where brackets of the thicknesses given in 3-2-1/Table 1 are fitted, ! may be

measured to a point 25 of the extent of the bracket beyond the its toe.

Where fitted, rake side vertical frames are to have brackets at their upper and lower ends extending

over to the first adjacent longitudinal beam or frame.





11 Trusses

11.1 Top and Bottom Chords

Each top and bottom chord is to have a section modulus, SM , not less than obtained from thefollowing equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3


11.3 Stanchions

The spacing of truss stanchions is generally not to exceed the depth of the truss.

::?: !+,8;44;F1+ H<(6

The permissible load, W a, of each stanchion is to be obtained from the following equation and

is to be not less than the calculated load W given in 3-2-2/11.3.2 below.


where

k = 1.232 (7.83)

n = 0.00452 (0.345)




::?- &(1301(*+6 H<(6

The calculated load for each truss stanchion is to be determined by the following equation,

except where indicated otherwise by 3-2-2/Figure 10 or 3-2-2/Figure 11.

W = nbhs tf (Ltf)

where

n = 1.07 (0.03)


h = distance from the bottom shell at the center of the area supported to the

underside of the deck plating at side, in m (ft)


11.5 Diagonals

Diagonals in trusses are to have a section area of approximately 50 of that of the stanchions.






Each web frame, girder and stringer is to have a section modulus, SM , not less than obtained from the

following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3


Where transverse buck frames are formed by channels extending over the inner faces of longitudinal

frames, these channels are to be attached at the bilge and deck as shown in 3-2-2/Figure 5. Where it is

desirable to avoid any direct attachment between the channel frames and the shell plating, alternative

construction shown in 3-2-2/Figure 4 may be accepted.

15 Bulkheads


:A:: !1(*;57


t = ( s h /254) + 1.78 mm (min. t = 5 mm)

t = ( s h /460) + 0.07 in. (min. t = 0.20 in.)

where

s = spacing of stiffeners, in mm (in.)

h = vertical distance measured from the lower edge of the plate to 1.2 m (4 ft)

above the deck at side, or to the top of the hatch, whichever is greater.

:A:- 2*;@@+5;57

The ends of stiffeners are to be either bracketed or clipped. Each stiffener, in association with

the plating to which it is attached, is to have a section modulus SM not less than obtained

from the following equation:

SM = 7.8chs!2 crn3 SM = 0.0041chs!2 in3

where

c = 1.00

h = vertical distance from the middle of ! to the top of the overflow, in m (ft)

s = stiffener spacing, in m (ft)



:A?: !1(*;57


t = ( s h /290) + 1.0 mm (min. t = 4.5 mm)

t = (s h /525) + 0.04 in. (min. t = 0.18 in.)





where


h = vertical distance measured from the lower edge of the plate to the height

of the deck at centerline, in m (ft)

:A?- 2*;@@+5;57


modulus, SM , not less than obtained from the following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 0.46





SM is increased 25.

17 Shell Plating

The thickness of the bottom, side and bilge plating is to be as required below. In addition, the thickness

of plating in these locations is to be not less than as required by 3-2-2/15.3.1 for tank bulkheads where

the spacing of the stiffeners is equal to the frame spacing and the value of h is equal to the distance

from the lower edge of the plate to the under surface of the deck plating at side.

17.1 Bottom Shell

The thickness of the bottom shell plating throughout is not to be less than determined by the following

equation:

t = 0.069 L + 0.007 s 0.8 mm (min. t = 5 mm)

t = 0.000825 L + 0.007 s 0.02 in. (min. t = 0.20 in.)

where



17.3 Side Shell



t = Rule Bottom Shell 0.5 mm L 73 m

t = Rule Bottom Shell 1.0 mm L ' 73 m

t = Rule Bottom Shell 0.02 in. L 240 ft

t = Rule Bottom Shell 0.04 in. L ' 240 ft





17.5 Bilge Plating

Where radiused bilges are used the bottom thickness is to extend to the upper turn of the bilge where the

radius at the bilge exceeds 305 mm (12 in.), the thickness of the plating should be at least 1.5 mm

(0.06 in.) greater than the required thickness for side plating.

17.7 Bilge Angles

Where angles are used at the bilges or gunwales they are to have a thickness at least 1.5 min (0.06 in.)


19 Inner Bottoms, Hatches and Fittings

19.1 Inner Bottom Plating

:N:: O55+, B<**<8 !1(*;57 <5 C';3' &(,7< ;4 *< F+ &(,,;+6

The thickness of plating, t, is not to be less than determined by the following equations:

t = 0.01 sb + (0.83h 1.78) mm sb + 610 mm

t = 0.005 sb + (0.83h 1.78) + 3.1 mm sb 610 mm

t = 0.01 sb + 0.01(h 7) in. sb + 24 in.

t = 0.005 sb + 0.01(h 7) + 0.12 in. sb 24 in.

where

sb = spacing of the frames, in mm (in.)

h = height to which cargo may be loaded, in m (ft). Where the density of thecargo exceeds 715 kg/m3 (45 lbs/ft3), the height is to be proportionally

increased.

In vessels regularly engaged in trades where cargo is handled by grabs or similar mechanical

appliances, it is recommended that flush plating be used in way of the cargo and that increased

framing and thickness be provided.

:N:- O55+, B<**<8 J56+, R'++1 H<(6;57

Where provision is to be made for the operation or stowage of vehicles having rubber tires,

and after all other requirements are met, the thickness of inner bottom plating is to be not less

than obtained from the following equation:

t = kKn W mm (in.)

where

k = 26.4 (1.05)

K = as given in 3-2-2/Figure 13

n = 1.0 where !/ s ' 2.0 and 0.85 where !/ s = 1.0, for intermediate values of

!/ s, n is to be obtained by interpolation

W = static wheel load, in tf (Ltf)

a = wheel imprint dimension parallel to the longer edge, !, of the plate panel,

in mm (in.)





b = wheel imprint dimension perpendicular to the longer edge, !, of the plate

panel, in mm (in.)

s = spacing of deck beams or deck longitudinals, in mm (in.)

!= length of the plate panel, in mm (in.)

Where the wheels are close together, a combined imprint and load are to be used.

19.3 Hatchways

Hatchways or manholes of sufficient size to provide access and ventilation are to be fitted to each

compartment. Where openings are located close to the gunwales, doubling plates or other compensation

may be required.

All openings in decks are to be so framed as to provide efficient support and attachment for the ends

of the half beams.

19.5 Hatch Covers

:NA: R;*';5 &1<4+6 E+3D /<04+4

Beams and covers for cargo hatches within closed deck houses are to be designed for a load,

in kilograms per square meter (pounds per square foot) equal to 220 (45) multiplied by the

height of the house, in m (ft), and a factor of safety of not less than 3.25 based on the minimum

ultimate tensile strength of the material.

:NA- W5 R+(*'+, E+3D4

For all types of covered barges and for other types which may be noted in the Record as

having covers fitted, the covers are to be weathertight. Where it is not intended to carry cargo

on the covers they are to be designed to withstand a load of 171 kg/m2 (35 lb/ft2) exclusive of

the weight of the cover itself with a factor of safety of not less than 3.25 on the minimumultimate tensile strength of the material. Where cargo is intended to be carried, the design load

is to be suitably increased.

:NA? J56+, R'++1 H<(6;57

Where provision is to be made for the operation or stowage of vehicles having rubber tires,

the thickness of the hatch cover plating is to be not less than obtained from 3-2-2/19.1.2 using

a k factor of 23.8 (0.94). Where the hatch cover plate panel is adjacent to the edges of the

covers, this value of t is to be increased by at least 15.

19.7 Continuous Longitudinal Hatch Coamings

Where longitudinal hatch coamings of length greater than 0.14 L are supported by longitudinal bulkheadsor deep girders, they are in general to be longitudinally stiffened. The coaming plates and stiffeners

are to have scantlings as required for decks. Special consideration will be given for barges less than

61 m (200 ft) in length or where calculations are submitted to show adequate buckling strength in the

maximum expected sagging condition.

19.9 Deck Fittings

The structure in way of cleats, bitts and chocks is to be suitably reinforced by installation of headers,

additional beams, brackets or doubling plates.





19.11 Cargo Boxes

Cargo boxes, flash boards, coamings or other structures for retaining deck cargo, are to be sufficiently

strong for their height, and adequately bracketed to the deck. Effective means for drainage of these

spaces are to be provided.

21 Barge Reinforcement

21.1 General

The following paragraphs are intended to provide for additional protection against contact with locks

and river bottom and against other wear and tear damage associated with normal operation with other

floating equipment.

A design intended for Classification will be reviewed for compliance with 3-2-2/21.3 when requested.

A notation Reinforcement A or Reinforcement B will be entered in the Record indicating compliance

with all of the requirements for reinforcement A or B in 3-2-2/21.3.

21.3 Reinforcement

Where the option for reinforcement in 3-2-2/21.1 is chosen, the hull parts to be reinforced are given in

the following table, the reinforced plate thicknesses are to be not less than given in column

Reinforcement A or column Reinforcement B as appropriate.

Reinforcement A Reinforcement B

Bilge radius for full-length of barge

(knuckle plate)


Side shell t min = 11.0 mm (7/16 in.) t min = 9.5 mm (3/8 in.)

Deck stringer plate hopper barge t min = 11.0 mm (7/16 in.) t min = 9.5 mm (3/8 in.)

Lower 1.83 m (6 ft) of sides and ends of hopper plating


Headlog and sternlog plate t min = 19.0 mm (3/4 in.) t min = 16.0 mm (5/8 in.)

Transom side and bottom periphery(picture frame) plates


All side shell, bottom shell and deck structural members in wing and rake

compartments


Where no wing tanks are fitted, thisreinforcement is to apply to the side shell

structure in cargo/void spaces and the side, bottom and deck structure in way of rakes.


Where no wing tanks are fitted, thisreinforcement is to apply to the side shell

structure in cargo/void spaces and the side, bottom and deck structure in way of rakes.





FIGURE 1Bilge Bracket (see 3-2-2/3.1.3)

Floor

Side frame

FIGURE 2Intermediate Bilge Bracket (see 3-2-2/3.1.3)

Side longitudinal

Bottom longitudinal

FIGURE 3Alternative Arrangement (see 3-2-2/3.1.3)

Additional longitudinal





FIGURE 4Alternative Channel Construction at Bilge (see 3-2-2/3.1.3)





FIGURE 5Deck Barge

A


! for sidetransversesand stanchions

h for sidetransverses

h for sidelongitudinals

h for bottomlongitudinalstransversesand stanchions

!/2

! for deck and bottomtransverses

b for stanchions

h for deck longitudinalsand deck transverses = 1.50 D

! for longitudinals


Section A-A

Bottom transverse c = 1.00 Bottom longitudinal c = 1.08Side transverse c = 1.00 Side longitudinal c = 1.08






FIGURE 6Deck Barge

h for sidetransverses

h for sidelongitudinals

h for bottomlongls andtransverses

h for stanchions

A


!/2

! for deck and

bottom trans

b for stanchions

! for bulkheadtransverse

CL ! for sidetransversesand stanchions

!/2

h for bulkheadtransverse

CL

h for deck longitudinalsand deck transverses= 1.50 D

! for longitudinals


Section A-A




C.L. Bulkhead transverse c = 0.70 C.L. Bulkhead longitudinal c = 0.70





FIGURE 7Deck Barge

A

ACL

h for sideframes

h for bottomframes and

bottom channels

h for stanchions

ht

for bulkheadstiffeners

! for bottom frameb for stanchions

!for deck beams

!for side frames

! for bulkheadstiffeners

!/2!/2

h for deck longitudinalsand deck transverses = 1.50 D

s for frames

! for top and

bottom chords s for stanchions

s for frames

Section A-A Aternate Section A-A

! for stanchions

Bottom frame c = 1.00 Deck beam c = 0.56

Truss bottom chord c = 1.00 Side frame c = 1.00

Truss top chord c = 0.70





FIGURE 8Hopper Barge

!/2

!

!/2h h

!1

!1/2

h1

Type A

!

!

h

Type B

!/2

!

h

Type C

!/2

h

h1

Type D

!

Side Frame Hopper Side Stiffener

Type A (for !) c = 1.15 Type A c = 1.00

Type A (for !1) c = 2.00 Type B c = 1.10

Type B c = 1.30 Type C c = 1.20

Type C c = 1.45 Type D c = 1.00

Type D c = 1.08 Hopper Side Chord

Type D c = 1.00





FIGURE 9Hopper Barge

d

!

Wood or steel

Floors

Minimum d = !/24 with wood inner bottom

Minimum d = !/30 with steel inner bottom effectively attached to each floor

s = spacing of floors, in m (ft)

h = vertical distance from the baseline to the under surface of the deck plating at side, in m (ft)

c = 1.00

Where barges are designed exclusively for carrying uniformly distributed dry bulk cargoes and are classed Bulk CargoBarge, c = 0.55.





FIGURE 10Double Skin Hopper Barge

CL! for bottom andinner bottom angles

b for vertical stanchions

!/2

!

!1

!1/2h

1

h

h for floors and bottom angles

!/2h

! for stiffeners

! for truss floors,distance in m (ft)

between bulkheads

! for stanchions

h2

for inner bottom angles

Rolling hatch covers

Truss floor c = 1.00

! as shown8 where the section modulus is that of the combined

section

Bottom angle c = 1.00

Inner bottom angle c = 0.56

Side frame (for h) c = 1.50

(for h1) c = 2.00


Vertical stanchion truss floor W = 1.07bhs tf W = 1.07bh2 s tf 8 whichever is greater

W = 0.03bhs Ltf

W = 0.03bh2 s Ltf 8 whichever is greater





FIGURE 11Double Skin Hopper Barge with Deckhouse

!/2

hh

!/2

! !

h for floors

! for plate floor, distance inm (ft) between bulkheads

CL

! for pillars

b Center of hatch tocenter of hatch or

breadth supported

h for hold pillarsDeck house

Floor c = 1.00

! as shown8 where the section modulus is that of the combined

section

Side frame c = 1.30


Hold pillar W = 0.715b(h + 0.46) s1 tf

W = 0.02b(h + 1.50) s1 Ltf

s1 = spacing of pillars, in m (ft)

Note: Main deck scantlings within house are to be designed for a load in kgf/m 2 (lb/ft2) equal to 200 (45) multiplied

by the height of the house in meters (feet). Scantlings of the deckhouse top are to be designed for a load of 245 kgf/m2 (50 lb/ft2).





FIGURE 12Double Skin Hopper Barge

!/2

!/2

h for bulkhead transverse(lower span)

h for bulkhead transverse(upper span)

b for strut

h for side transverse(upper span)

h for side transverse(lower span)

! for transverses(upper span)

! for transverses(lower span)

h for strut

CL



Bulkhead transverse c = 0.70

(Center compartment dry cargo)

(Wing compartment void)





FIGURE 13Wheel Loading Curves of K




! " # $ 2+3*;<5 ?. B(,7+4 O5*+56+6 *< &(,,Z E(57+,<04 &'+8;3(1 &(,7<+4 ;5 B01D


2 9 & $ O W ] 3 Barges Intended to Carry

Dangerous Chemical Cargoes in

Bulk

1 Application

This Section applies to barges intended to carry dangerous cargoes in bulk in services which require

operation in comparatively smooth water exclusively, such as in rivers, intracoastal waterways, etc.

All the applicable paragraphs of other Sections of these Rules are to be considered as requirements,

except where the provisions of this Section are contrary to or in addition thereto. Self-propelled vessels

will be specially considered, taking into account the cargoes carried and the degree of protection proposed.

3 Classification

The classification ! A1 Chemical Tank Barge, River Service followed by the appropriate

notation indicating barge type designation as Type I, Type II, or Type III* is to be assigned to vessels

designed for and specifically fitted for the carriage of dangerous chemicals in bulk, built to the

requirements of this Section and other relevant sections of these Rules, and complying with 46 CFR

Part 151 or other recognized standards.

* Note: Type Designation See 46 CFR 151.10.

5 Submission of Data

The following plans, calculations and information as appropriate are to be submitted in addition to

those required by 1-1-4/1 of the Supplement to the ABS Rules for Conditions of Classification (Part 1).

Identification and properties of any dangerous chemical cargo which is intended to be carried on barges

built in accordance with this Section are to be given and are to include chemical composition, specifying

contaminants, density, vapor pressure, boiling point, combustible range, flash point, compatibility

with tank materials and any peculiar characteristics. The temperature and pressure at which the cargo

is to be carried and at which it is to be loaded and unloaded are also to be given. Where the cargo has

been given a hazard rating by a recognized code or other authority, this is also to be stated.

Arrangement plans indicating watertight bulkheads, decks and all openings therein are to be submitted

for review. Additional plans are to be submitted for each condition of loading in which a dangerous

chemical cargo is carried showing specific gravity and maximum cargo weight in all spaces as well asdraft of the vessel in each condition.



Part 3 Hull Construction and EquipmentChapter 2 Hull Structures and ArrangementsSection 3 Barges Intended to Carry Dangerous Chemical Cargoes in Bulk 3-2-3


Except as indicated in 3-2-3/7, calculations showing compliance with 46 CFR Part 151 or other

recognized standards are to be submitted for review. Written evidence that the U.S. Coast Guard has

certified the vessel as being in compliance with their Regulations will be acceptable in lieu of

calculations showing compliance with 46 CFR Part 151. Vessels designed to other recognized standards

may be given similar consideration.

7 Type I and Type II Barges with Integral Tanks

Barges of Type I or Type II with integral tanks are to comply with the following requirements.

Submitted calculations showing compliance with 46 CFR Part 151 as indicated in 3-2-3/5 need not

include calculations for those items considered in this Subsection.

7.1 Definitions

G:: $Z)+ O B(,7+ /011

Barge hull Type I refers to those designed to carry products which require the maximum preventative measures to preclude the uncontrolled release of the cargo.

G:- $Z)+ OO B(,7+ /011

Barge hull Type II refers to those designed to carry products which require significant

preventative measures to preclude the uncontrolled release of the cargo.

G:? H;8;*;57 E,(@*

A limiting draft is the maximum draft to which cargo of specified densities may be loaded for

a given hull type. A chemical barge may be assigned more than one limiting draft for different

combinations of cargo density and hull type.

7.3 Tank Arrangement

G?: &<11;4;<5 !,<*+3*;<5

Tanks containing products which are required to be carried in Type I or Type II hulls (See 46

CFR Table 151.05) are to be located beyond the following minimum distances from the members

as shown.

i) From Side Shell and Box End

" Type I 1.22 m (4.0 ft)

" Type II 0.91 m (3.0 ft)

ii) From the Headlog (Except Box Barges and Trail Barges)" Both Types 7.6 m (25 ft)

G?- "33+44 W)+5;57

Each tank is to be provided with a manhole with a cover plate and a minimum clear openingof 380 mm * 460 mm (15 in. * 18 in.). Access trunks, where fitted, are to have a diameter of

at least 760 mm (30 in.).





7.5 Longitudinal Strength (2001)

GA: H<(6;57 &<56;*;<54

The following definitions of loading conditions are to be understood for the purpose of this

Section.7.5.1(a) Normal and High Density Cargo Conditions (2001). See 3-2-1/7.3.

7.5.1(b) Grounding Conditions. A grounding condition is a condition wherein the forward

rake bulkhead rests on a pinnacle at the water surface with the barge loaded with cargo of

approved density.

GA- /011 M;,6+, B+56;57 L<8+5*

7.5.2(a) Normal Conditions. Subject to compliance with the requirements in Section 3-2-1,

no bending moment calculations are required for these conditions except that those calculations

mentioned in 3-2-3/7.5.1(a) for conditions other than homogeneous cargo are to be evaluated

in accordance with 3-2-3/7.5.3(a) below.

7.5.2(b) High Density Cargo and Grounding Conditions (2001). Bending moment calculations

are to be submitted for these conditions except that where grounding condition bending moment

calculations for homogeneous cargo are not available, the following formula may be used.

M a = L2 Bd /(, k )

where

M a = expected grounding condition bending moment for barges with

homogeneous cargo, in tf-m (Ltf-ft)

L = length of barge, in m (ft), as defined in 3-1-1/3.1

B = breadth of barge, in m (ft), as defined in 3-1-1/5d = limiting draft, in m (ft)

k = L 10.9 m ( L 35.7 ft), but not to be taken greater than 80.6 m (264.3 ft)

, = 0.461 m2/tf (5.04 ft2/Ltf)

GA? &,;*+,;<5 (2001)

7.5.3(a) Normal and High Density Cargo Conditions (2001). The hull girder section modulus

is to be in accordance with 3-2-1/7.7.

7.5.3(b) Grounding Conditions (2001). The hull girder section modulus is to be such that the

hull girder stress, - , in the deck or trunk side as obtained from the equation below does not

exceed the permissible stress f or the reference stress f r as defined in 3-2-1/7.7, whichever isless.

- = M /SM

where

M = hull girder bending moment, in tf-m (Ltf-ft), for grounding or overload

conditions

SM = as defined in 3-2-1/7.7

f = (1 0.25 P / P o) * (1.09 0.00427!/r)Y for deck or trunk top/side with

longitudinals

= k (0.72 0.4 Bo/ B)Y for deck or trunk top/side with transverse beams





P = pressure relief valve setting, in kgf/cm2 (psi), or 0.105h (0.455h),

whichever is greater

h = design head, in m (ft)

P o = 0.21 kgf/cm2

(3 psi)

! = unsupported span of the longitudinal, in cm (in.)

r = Ai /

i = moment of inertia of the longitudinal with deck plating, in cm4 (in4)

A = cross sectional area of the longitudinal with deck plating, in cm2 (in2)

Y = yield point of the material, in tf/cm2 (Ltf/in2)

k = 1.0 for barge without trunk

= 0.87 for barge with trunk

Bo = width of the transversely framed portion of the deck (if no trunk) or transversely framed trunk top

B = breadth of barge, in m (ft), as defined in 3-1-1/5

7.7 Deck/Trunk Top Transverses

The moment of inertia in cm4 (in4) of the deck or trunk top transverses, where applicable, with associated

deck plating, is to be not less than I o as given below.

I o = 0.34 K (b/!)3(b/ s)i

where

K = 1.0 for transverses without effective end brackets if barge does not have

centerline bulkhead or stanchions

= 0.3 for the transverses without effective end brackets if barge has centerline

bulkhead or stanchions

= 0.19 for the transverses with effective end brackets with or without centerline

bulkhead or stanchions

b = unsupported span of the transverses, in m (ft)

! = spacing of the transverses, in m (ft)

s = spacing of the longitudinals, in m (ft)i = moment of inertia of the longitudinal with deck plating that will satisfy

3-2-3/7.5.3(b)

Where applicable, width of effective deck flange for the transverses is to be taken as b/3 or !, whichever

is less.





7.9 Transverse Beams

The moment of inertia in cm4 (in4) of the deck or trunk top transverse beam with associated deck plating,

is to be not less than I o as given below.

I 0 = 0.0367 K (t / s)3b4

where

s = spacing of the transverse beams, in mm (in.)

t = thickness of the deck or trunk top, in mm (in.), that will satisfy 3-2-3/7.5.3(b)

b = unsupported length of the transverse beam, in cm (in.)

K = coefficient, specified in 3-2-3/7.7

Width of effective deck flange for transverse beam is to be taken as s.




! " # $ 2 + 3 * ; < 5 > . $ < C F < ( * 4


2 9 & $ O W ] 4 Towboats

1 ApplicationThe following Rules and Tables apply to self-propelled river towboat type vessels intended for towing

operation in comparatively smooth water exclusively, such as in rivers, intracoastal waterways, etc.


3.1 Framing

Framing may be arranged either longitudinally, transversely or a combination of both. Longitudinal

frames are to be supported by regularly spaced transverse deep frames formed either by channels

extending across the inner faces of the longitudinal frames, or by flanged plates notched over the

frames and attached to the shell or deck and the longitudinals.

3.3 Longitudinal Webs

Trusses or non-tight bulkheads extending fore and aft are to be fitted, one on or near the centerline

and one on each side of the centerline. An arrangement of deep girders at the deck and bottom

connected by vertical members will be considered. They are to be arranged so that in association with

auxiliary supporting girders. The spans of the bottom frames do not exceed 4 m (13 ft). Bulkheads

may be offset or stepped in a transverse direction provided sufficient overlap is effected to maintain

their longitudinal continuity.

5 Longitudinal StrengthThe required hull girder section modulus, SM , within the midship 0.5 L is to be obtained from the

following equation.

SM = 0.764 BDL cm2-m SM = 0.011 BDL in2-ft

L, B and D are as defined in Section 3-1-1.

In calculating the actual section modulus, bottom, bilge and side plating, all bilge, gunwale and other

longitudinal angles if continuous or adequately developed at the transverse bulkheads and the continuous

deck plating may be included. Beyond the midship 0.5 L, scantlings may be tapered to their normal

requirements at the ends where these are less.



Part 3 Hull Construction and EquipmentChapter 2 Hull Structures and ArrangementsSection 4 Towboats 3-2-4


7 Deck Plating

7.1 Strength Decks

The thickness of strength deck plating throughout is not to be less than 0.01 mm per millimeter (0.01 in.

per inch) of the spacing of the beams, sb.

7.3 Other Locations

The thickness of plating forming the tops of deep tanks, watertight flats, bulkhead recesses and tunnel

tops which may be used for stores space is to be 1 mm (0.04 in.) thicker than required for bulkhead

plating at the same level.

9 Frames

9.1 Bottom Longitudinals

Each bottom longitudinal, in association with the plating to which it is attached, is to have a section


SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 1.08

h = vertical distance from the longitudinal to the deck at side, in m (ft)

= for longitudinals in tanks, the vertical distance from the longitudinal to the top of

the overflow, in m (ft)

s = longitudinal spacing, in m (ft)

! = unsupported span of the member in m (ft). Where brackets of the thicknesses

given in 3-2-1/Table 1 are fitted, ! may be measured to a point 25 of the extentof the bracket beyond the its toe.

9.3 Side and Deck Framing

Each side frame or deck beam, in association with the plating to which it is attached, is to have a

section modulus, SM , not less than obtained from the following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = coefficient appropriate to the type of construction employed as given in

3-2-4/Figure 1 for side frames

= 0.70 for deck beams in dry spaces

= 1.00 for deck beams in way of tanks

= 1.08 for side longitudinals





h = distance, in m (ft), as given in 3-2-4/Figure 1

= in way of tanks, the vertical distance from the middle of ! to the top of the

overflow, in m (ft), but not less than 1.2 m (4.0 ft) for deck beams

= 1.2 (4.0) for support of decks. For decks on which stores may be carried, h isnot to be taken less than the height of the storage space.


! = as defined in 3-2-4/9.1

9.5 Framing in Tunnels

Special consideration is to be given to increasing the framing in way of propeller tunnels or special

types of nozzles. It is recommended that nontight bulkheads and diaphragms be introduced in way of

long tunnels (see also 3-2-4/17.5).

11 Stanchions

11.1 Permissible Load

The permissible load, W a, of each stanchion is to be obtained from the following equation and is to be

not less than the calculated load W given in 3-2-4/11.3 below.


where

k = 1.232 (7.83)

n = 0.00452 (0.345)! = unsupported span of the stanchion, in cm (ft)



11.3 Calculated Load

The calculated load for each stanchion is to be determined by the following equation:

W = nbhs tf (Ltf)

where

n = 1.07 (0.03) where the stanchion supports bottom structure

= 0.715 (0.02) where the stanchion supports deck structure


h = distance from the bottom shell at the center of the area supported to the underside

of the deck plating at side, in m (ft), for support of bottom structure

= 1.2 (4.0) for support of decks. Where decks are intended to carry stores, h is not

to be taken less than the height of the storage space.







Each supporting girder, transverse floor and stringer with transverse framing, and each main transverse

member with longitudinal framing, is to have a section modulus, SM , not less than obtained from the

following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 1.00 for bottom and side supporting members and for deck supporting members

in tanks.

= 0.70 for deck supporting members in dry spaces

h = for bottom and side supporting members, the distance from the middle of ! to the

deck at side, in m (ft)

" in way of tanks h is to be the vertical distance to the top of the overflow, in m (ft)

= for deck supporting members, 1.2 m (4.0 ft)

" for decks on which stores may be carried, h is not to be less than the

height of the storage space

" in way of deep tanks, h is not to be less than the distance to the top of the

overflow.

s and ! are as defined in 3-2-4/9.1.

The thickness of floors or transverses is in general not to be less than 5 mm (3/16 in.) and those

under the engines are to be suitably increased.

15 Bulkheads

15.1 Arrangement

Intact watertight collision bulkheads are to be fitted up to the deck in all vessels at a distance of not

less than 0.05 L from the stem. Watertight after peak bulkheads are to be fitted. Machinery spaces below

the deck are to be enclosed by transverse bulkheads which are watertight to the deck.


:A?: !1(*;57


t = ( s h /254) + 1.78 mm (min. t = 5 mm)

t = ( s h /460) + 0.07 in. (min. t = 0.20 in.)

where


h = vertical distance measured from the lower edge of the plate to the top of

the overflow





:A?- 2*;@@+5;57

The ends of stiffeners are to be either bracketed or clipped. Each stiffener, in association with

the plating to which it is attached, is to have a section modulus, SM , not less than obtained


SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 1.00

h = vertical distance from the middle of ! to the top of the overflow, in m (ft)




:AA: !1(*;57


t = ( s h /290) + 1.0 mm (min. t = 4.5 mm)

t = ( s h /525) + 0.04 in. (min. t = 0.18 in.)

where




:AA- 2*;@@+5;57



SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 0.46




17 Shell Plating

The thickness of the bottom, side and bilge plating is to be as required below. In addition, the

thickness of plating in these locations is to be not less than as required by 3-2-4/15.3.1 for tank

bulkheads where the spacing of the stiffeners is equal to the frame spacing and the value of h is equal

to the distance from the lower edge of the plate to the under surface of the deck plating at side. In way

of deep tanks, h is to be measured to the top of the overflow.





17.1 Bottom Shell


equation:

t = 0.069 L + 0.007 s 0.5 mm (min. t = 5 mm)t = 0.000825 L + 0.007 s 0.02 in. (min. t = 0.20 in.)

where



17.3 Side Shell



t = 0.069 L + 0.007 s 1.0 mm L 73 mt = 0.069 L + 0.007 s 1.5 mm L ' 73 m

t = 0.000825 L + 0.007 s 0.04 in. L 240 ft

t = 0.000825 L + 0.007 s 0.06 in. L ' 240 ft

17.5 Bilge and Tunnel Plating

Where radiused bilges are used, the bottom thickness is to extend to the upper turn of the bilge. Where

the radius at the bilge exceeds 305 mm (12 in.), the thickness of the plating should be at least 1.5 mm

(0.06 in.) greater than the required thickness for side plating. The shell plating in tunnels in way of

propellers is to be increased above the requirements of this Subsection.

17.7 Bilge Angles



19 Deckhouses

19.1 Scantlings

Deckhouses on towboats are to be of adequate construction, consideration being given to their size

and the loads which may be imposed upon them. The plating of the deckhouses is to be not less than

3.5 mm (10 gauge), and where the spacing of stiffeners exceeds 610 mm (24 in.), the plating thickness

is to be increased. Stiffeners are not to be less than 63.5 mm (2.5 in.) in depth and this depth is to be

increased if the length of the stiffeners is over 2.44 m (8 ft). The scantlings of decks and platforms

above the main deck are to be determined from 3-2-4/9.3 and 3-2-4/13 using an h not less than 0.61 m

(2.0 ft) for the first level above the main deck and 0.457 m (1.5 ft) for the second level or higher.

19.3 Sill Height

Openings in exposed positions on the weather decks which lead to spaces below are to have sills at

least 150 mm (6 in.) in height.





21 Keels, Stems and Stern Frames

21.1 Bar Keels

Where bar keels are used, their thicknesses and depths are to be not less than given by the followingequations:

t = 0.52 L + 9.5 mm t = 0.0062 L + 0.37 in.

h = 1.06 L + 94.5 mm h = 0.0127 L + 3.72 in.

where

t = thickness, in mm (in.)

h = depth, in mm (in.)

L = length of the vessel as defined in 3-1-1/3.1

21.3 Flat Plate Keels

Flat plate keels are not to be of less thickness than required for bottom plating.

21.5 Bar Stems

Where bar stems are used, their thicknesses and widths are to be not less than given by the following

equations:

t = 0.38 L + 11.0 mm t = 0.0046 L + 0.44 in.

w = 1.09 L + 80.0 mm w = 0.0131 L + 3.15 in.

where


w = width, in mm (in.)


21.7 Sternposts

Where bar sternposts are fitted, their thicknesses and widths are to be not less than given by the


t = 0.52 L + 9.5 mm t = 0.0062 L + 0.37 in.

w = 1.09 L + 80.0 mm w = 0.0131 L + 3.15 in.

where








21.9 Stern Frames

-:N: O55+, !<4*4

Where stern frames are fitted, the thickness and width of the inner post below the shaft boss are

to be not less than given by the following equations:t = 1.20 L + 20.0 mm t = 0.0144 L + 0.78 in.

w = 1.06 L + 94.5 mm w = 0.0127 L + 3.72 in.

where




-:N- W0*+, !<4*4

Where fitted, the outer post is to have a thickness not less than that required for inner postsand a width not less than 80 of that required for inner posts.

-:N? 2'<+ !;+3+

The shoe piece is to be as short as possible. The depth is to be at least 10 greater than the

above calculated thickness and the breadth at least 20 greater than the above calculated

breadth. Gudgeons are to have a thickness of 25 of the rudder stock diameter if bushed and

27.5 if unbushed. The depth of gudgeons is to be not less than 75 of the stock diameter.

23 Rudders

23.1 Materials

Rudder parts such as stocks, palms, gudgeons, etc., may be of cast or forged steel or fabricated

sections made from materials complying with the requirements of Chapter 1 of the ABS Rules for Materials and Welding (Part 2).

23.3 Application

This Section refers to rudders of the balanced or partially balanced type having efficient neck

bearings, with or without lower bearings. Where rudders are of unusual shape or design or are

associated with construction features which make the formulas of this Subsection inapplicable, the

design and calculations are to be submitted for approval. In such cases the design conditions are to be

verified during the trials of the vessel.

23.5 Rudder Stocks

-?A: J))+, 2*<3D4

Upper stocks above the neck bearing are to have diameters not less than given by the

following equation:

S = 100 3 AR mm S = 1.2 3 AR in.





where

S = diameter of upper stock, in mm (in.)

R = distance from the centerline of the stock to the center of gravity of the

immersed rudder area forward or abaft the center of the rudder stock, in

m (ft)

A = area of the immersed rudder surface forward or abaft the center of the

rudder stock, in m2 (ft2)

The values of R and A to be used are those which give the larger products of R and A. Where the design speed exceeds 16 km/h (10 mph), the diameter is to be increased in the ratio

of the speed to 16 km/h (10 mph).

-?A- H<C+, 2*<3D4

Lower stocks are to be equivalent to round bars having diameters obtained from the equation:

S 1 = 100 3 AR mm S 1 = 1.2 3 AR in.

where

S 1 = diameter of lower stock, in mm (in.)

R =./0

123 44 )(25.0 22 baa for balanced rudders which have efficient neck

and bottom bearings

= )( 22 baa 44 for balanced rudders which have no bottom bearings

A = area of the immersed rudder surface, in m2 (ft2)

a = vertical distance from the neck bearing to the center of gravity of A, in m (ft)

b = horizontal distance from the center of the lower stock to the center of

gravity of A, in m (ft)

Where the design speed exceeds 16 km/h (10 mph), the diameter is to be increased in the ratio

of the speed to 16 km/h (10 mph).

i) Lower stocks of rudders having bottom bearings are to be the full diameter for

two-thirds of the distance from the neck bearing to the bottom bearings, and may be

tapered below this point to 0.75S 1 in the bottom bearing. They are to extend into the

bottom bearing a distance of 0.7S 1.

ii) Lower stocks of rudders having no bottom bearings are to be of the full diameter fromthe top of the neck bearing to the top of the rudder and may be tapered to 0.33S 1 atthe bottom. The length of the neck bearing need not be greater than 1.5S 1.

iii) Lower stocks within built-up is equivalent to the stacks required by the above

formula.

23.9 Rudders

Rudders may be of either single or double plate construction and are to have a sufficient number of

arms or diaphragms to provide ample stiffness.

23.11 Couplings

Couplings in rudder stocks or between stock and rudder are to be equivalent to the required diameter

of stock.





FIGURE 1Towboat Framing

!/2

!

h

!1

!1/2

h1

Type A

!/2

!

h

Type B

!/2

!

h

Type C

!/2

!

Type D

h

!/2

!

Type E

h

Side Frame

Type A c = 1.15 (for h)

Type A c = 2.00 (for h1)

Type B c = 1.30Type C c = 1.45

Type D c = 1.00

Type E c = 1.00




! " # $ 2 + 3 * ; < 5 A . ! ( 4 4 + 5 7 + , _ + 4 4 + 1 4


2 9 & $ O W ] 5 Passenger Vessels

1 Application

1.1 Service

The following Rules apply to vessels carrying more than 12 passengers exclusively in smooth domestic

water, such as in rivers, intracoastal waterways, etc. The requirements for river passenger vessels

engaged in an international voyage will be subject to special consideration.

1.3 National Regulations

Where the flag Administration has Regulations acceptable to the Bureau, including those for stability,

structural fire protection, life saving appliances, etc., such Regulations may be considered under

1-1-4/7.3 of the ABS Rules for Conditions of Classification (Part 1).

3 Classification

The classification ! A1 Passenger Vessel, River Service is to be assigned to vessels designed

and specifically fitted for the carriage of passengers and built to the requirements of this Section and

other relevant sections of the Rules.


5.1 Framing

Framing may be arranged either longitudinally, transversely or a combination of both. Longitudinal

frames are to be supported by regularly spaced transverse deep frames formed either by channels

extending across the inner faces of the longitudinal frames, or by flanged plates notched over the

frames and attached to the shell or deck and the longitudinals. Where longitudinal beams are used on

more than one deck, transverses on all decks are to be fitted at the same vertical plane.

5.3 Longitudinal Webs

Trusses or non-tight bulkheads extending fore and aft are to be fitted, one on or near the centerline

and one on each side of the centerline. An arrangement of deep girders at the deck and bottom

connected by vertical members will be considered. They are to be arranged so that in association with

auxiliary supporting girders, the spans of the bottom frames do not exceed 4 m (13 ft). Bulkheads may be offset or stepped in a transverse direction provided sufficient overlap is effected to maintain their

longitudinal continuity.



Part 3 Hull Construction and EquipmentChapter 2 Hull Structures and ArrangementsSection 5 Passenger Vessels 3-2-5


7 Longitudinal Strength

7.1 Hull Girder Section Modulus

The hull girder section modulus within the midship 0.5 L is to be not less than obtained from the

following equations i) or ii), whichever is greater.

i) SM = M sw/ f p

ii) SM = C 1C 2 L2 B(C b + 0.7)

where

SM = minimum required hull girder section modulus, in cm2-m (in2-ft)

M sw = maximum calculated still-water bending moment, in tf-m (Ltf-ft), which is to besubmitted for review.

f p = nominal permissible bending stress of 1.34 tf/cm2 (8.5 Ltf/in2), but is not to betaken greater than 0.8 times the lowest critical buckling stress of the hull girder

structure.

C 1 = 7.32 0.033 L (7.32 0.01 L) for L 61 m (200 ft)

= 4.36 + 0.016 L (4.36 + 0.0048 L) for L ' 61 m (200 ft)

C 2 = 0.01 (1.44 * 10-4)

L, B and C b are as defined in Section 3-1-1.

Beyond the midship 0.5 L, scantlings may be tapered to their normal requirements at the ends where

these are less.

7.3 Hull Girder Moment of Inertia

The hull girder moment of inertia of the vessel at amidships is to be not less than obtained from the

following equation:

I = L(SM /33.3)

where

I = minimum required hull girder moment of inertia, in cm2-m2 (in2-ft2)

L and SM are as defined in 3-2-5/7.1.

7.5 Hull Girder Shear Strength

The hull girder nominal shear stress f in the side shell plating, obtained from the following equation, is

not to exceed nominal permissible shear stress, f s, as defined below.

f s = Fm/(2 It )

where

f s = nominal permissible shear stress of 1.03 tf/cm2 (6.5 Ltf/in2), but is not to be taken

greater than 0.8 times the lowest critical buckling shear stress of the hull girder structure.

I = hull girder moment of inertia at the section under consideration, in cm4 (in4)





F = maximum still water shear force calculated at the position being considered, in tf

(Ltf)

m = first moment of area of the material between the point under consideration and

the vertical extremity of the effective longitudinal material, in cm3 (in3). m is to

be taken about the neutral axis at the section under consideration

t = side shell thickness, in cm (in.)

9 Deck Plating

9.1 Strength Decks

The thickness of strength deck plating throughout is not to be less than 0.01 mm per millimeter (0.01 in.

per inch) of the spacing of the beams, sb.

9.3 Superstructure DecksThe thickness of superstructure deck plating is to be not less than obtained from the following

equations:

t = 0.0063 sb + 1.0 mm (min, t = 4.5 mm)

t = 0.0063 sb + 0.04 in. (min. t = 0.18 in.)

where sb is the stiffener spacing in mm (inches).

9.5 Wheel Loaded Decks

Where provision is to be made for the operation or stowage of vehicles having rubber tires, and after

all other requirements are met, the thickness of deck plating is to be not less than that required by3-2-2/7.9.

9.7 Other Locations

The thickness of plating forming the tops of deep tanks, watertight flats, bulkhead recesses and tunnel

tops which may be used for stores space is to be 1 mm (0.04 in.) thicker than required for bulkhead

plating at the same level.

11 Frames

11.1 Bottom LongitudinalsEach bottom longitudinal, in association with the plating to which it is attached, is to have a section


SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 1.08

h = vertical distance from the keel to the design draft, in m (ft), but not less than 2/3

the distance from the keel to the main deck.

= for longitudinals in tanks, the vertical distance from the keel to the top of the

overflow, in m (ft)

s = longitudinal spacing, in m (ft)





! = unsupported span of the member, in m (ft). Where brackets of the thicknesses

given in 3-2-1/Table 1 are fitted, ! may be measured to a point 25 of the extentof the bracket beyond the its toe.

11.3 Side and Deck FramingEach side frame or deck beam, in association with the plating to which it is attached, is to have a

section modulus, SM , not less than obtained from the following equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = coefficient appropriate to the type of construction employed as given in

3-2-5/Figure 1 for side frames

" 0.70 for deck longitudinals in dry spaces

" 0.56 for deck beams in dry spaces

" 1.00 for deck beams in way of tanks

" 1.08 for side longitudinals

h = distance, in m (ft), as given in 3-2-5/Figure 1

" for side longitudinals, the vertical distance from the middle of ! to the deck at

side, in m (ft)

" in way of tanks, the vertical distance from the middle of ! to the top of the

overflow, in m (ft)

" 0.01 L + 0.61 m (0.01 L + 2.0 ft) for main decks.

" 0.67 m (2.2 ft) for superstructure decks. Where deck loading may exceed 360kgf/m2, (75 lb/ft2), h is to be proportionately increased.

" 0.30 m (0.98 ft) for rain covers


! = as defined in 3-2-5/11.1

11.5 Framing in Tunnels

Special consideration is to be given to increasing the framing in way of propeller tunnels or special

types of nozzles, It is recommended that nontight bulkheads and diaphragms be introduced in way of

long tunnels.

13 Stanchions

13.1 Permissible Load

The permissible load, W a, of each stanchion is to be obtained from the following equation and is to be

not less than the calculated load W given in 3-2-5/13.3 below.


where

k = 1.232 (7.83)

n = 0.00452 (0.345)








Special support is to be arranged at the ends and corners of deckhouses, in machinery spaces, at endsof partial superstructures and under heavy concentrated weights.

13.3 Calculated Load

:??: B<**<8 20))<,*

Where the stanchions are intended to support bottom structure, the calculated load for each

stanchion is to be determined by the following equation:

W = nbhs tf (Ltf)

where

n = 1.07 (0.03)


h = distance from the keel to the design waterline, in m (ft), or 2/3 of the

distance to the main deck, whichever is greater


:??- E+3D 20))<,*

Where the stanchions are intended to support deck structure, the calculated load for each

stanchion is to be determined by the following equation, where the summations indicate the

sum of the loads from all supported stanchions on the deck immediately above. In all cases,

subscripts denote the level of the tier above the deck supported by the stanchion under consideration. Where the stanchion supports more than three tiers, the same method is to be

extended to include the additional supported tiers.

W = 5 69 :; ; ;444 33322221111 shbc shbc shbcbhsn tf (Ltf)

where

n = 0.715 (0.02)

b = mean breadth of the area of the deck supported by the stanchion, in m (ft)

b1, b2... = for each supported stanchion supporting tiers above, the mean breadth of

the area supported by that stanchion, in m (ft)

h = head defined in 3-2-5/11.3 for the deck supported by the stanchion

h1, h2... = for each supported stanchion supporting tiers above, one half the headdefined in 3-2-5/11.3 for the location supported by that stanchion

s = mean length of the area of the deck supported by the stanchion, in m (ft)

s1, s2... = for each supported stanchion supporting tiers above, the mean length of the area supported by that stanchion, in m (ft)

c = (d a)/d at the deck supported

c1, c2... = (d a)/d at each tier above the deck supported

c. = horizontal distance between the stanchion above deck and the stanchion below deck, in m (ft)





d = horizontal distance between the stanchion below deck and next point of

support of the girder or transverse supported, in m (ft)

a = horizontal distance between the stanchion above deck and the stanchion

below deck being considered, in m (ft)

a P

d R = P (d ) a)/d


Each supporting girder, transverse floor and stringer with transverse framing, and each main transverse

member with longitudinal framing, is to have a section modulus, SM , not less than obtained from thefollowing equation:

SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 1.00 for bottom and side supporting members and for deck supporting members

in tanks

= 0.70 for deck supporting members in dry spaces

h = for bottom supporting member, the vertical distance from the keel to the design

draft, in m (ft), but not less than 2/3 the distance from the keel to the main deck

" for side supporting members, the distance from the middle of ! to the deck atside, in m (ft). In way of tanks, h is to be the vertical distance to the top of the

overflow, in m (ft)

" in way of tanks, the vertical distance from the middle of ! to the top of the

overflow, in m (ft)

" 0.01 L + 0.61 m (0.01 L + 2.0 ft) for main decks.

" height of storage space, in m (ft), on decks where stores are carried

" 0.67 m (2.2 ft) for superstructure decks. Where deck loading may exceed360 kgf/m2, (75 lb/ft2), h is to be proportionately increased.

" 0.30 m (0.98 ft) for rain covers

s = sum of the half lengths of the supported members, in m (ft)

! = as defined in 3-2-5/11.1.

15.1 Proportions

:A:: B<**<8 (56 2;6+ R+F P,(8+4

Bottom and side web frames are to have depths not less than 0.125! (1.5 in. per ft of span).

Web thickness is not to be less than 1 mm per 100 mm (0.01 in. per in.) of depth plus 3.5 mm

(0.14 in.) but need not exceed 14 mm (0.56 in.).





:A:- E+3D M;,6+,4 (56 $,(54X+,4+4

i) Outside tanks, deck girders and transverses are to have depths not less than 0.0583!

(0.7 in. per ft of span). Thickness is not to be less than 1 mm per 100 mm (0.01 in. per in.)

of depth plus 4.0 mm (0.16 in.).

ii) In tanks, deck transverses and girders are to have depths not less than 0.0833! (1.0 in. per ft of span). Thickness is not to be less than 1 mm per 100 mm (0.01 in. per in.) of

depth plus 4.0 mm (0.16 in.).

17 Bulkheads

17.1 Arrangement

Intact watertight collision bulkheads are to be fitted up to the deck in all vessels at a distance of not

less than 0.05 L from the stem. Watertight after peak bulkheads are to be fitted. Machinery spaces below

the deck are to be enclosed by transverse bulkheads which are watertight to the deck. Additional

transverse watertight bulkheads are to be provided in accordance with 3-2-5/17.1.1 or 3-2-5/17.1.2 below.

A watertight shaft tunnel or other watertight space(s) separate from the stern tube compartment is to

be provided around the stern gland of such volume that, if flooded by leakage through the stern gland,

the margin line will not be submerged.

:G:: _+44+14 <@ >?A 8 U:>? @*V ;5 H+57*' <, M,+(*+,

Each main transverse watertight bulkhead is to be a minimum of 3 m (10 ft) plus 3 percent of

the vessels length from the collision bulkhead, every other main transverse bulkhead and

from the aft peak bulkhead.

:G:- _+44+14 J56+, >?A ;5 U:>? @*V ;5 H+57*'

Each main transverse watertight bulkhead is to be a minimum of 10 percent of the vesselslength or 1.8 m (6 ft), whichever is greater, from the collision bulkhead, from every other

main transverse bulkhead and from the aft peak bulkhead.


:G?: !1(*;57


t = ( s h /254) + 1.78 mm (min. t = 5 mm)

t = ( s h /460) + 0.07 in. (min. t = 0.20 in.)

where


h = vertical distance measured from the lower edge of the plate to the top of

the overflow, in m (ft)

:G?- 2*;@@+5+,4


modulus, SM , not less than obtained from the following equation. The ends are to be either

bracketed or clipped.

SM = 7.8chs!2

cm3

SM = 0.0041chs!2

in3





where

c = 1.00

h = for double bottom tanks, height from the middle of ! to the tank top, plus2

/3 of the distance from the tank top to the top of the overflow, in m (ft)

= for other tanks, vertical distance from the middle of ! to the top of the

overflow, in m (ft)


! = as defined in 3-2-5/11.1

:G?? M;,6+,4 (56 R+F4

17.3.3(a) Strength Requirements. Each girder and web supporting bulkhead stiffeners is to

have a section modulus not less than required by 3-2-5/17.3.2 for stiffeners, where s is the

sum of half lengths of the stiffeners supported on each side of the girder or web, in m (ft).

17.3.3(b) Proportions. Webs and girders are to have depths not less than 0.145! (1.75 in. per ft of span !) where no struts or ties are fitted. Where struts are fitted, they are to have depths

not less than 0.0833! (1 in. per ft of span !) plus one-quarter of the depth of the slots for thestiffeners. In general, the depth is not to be less than 2 times the depth of the slots.

The thickness is not to be less than 1 mm per 100 mm (0.01 in. per in.) of depth plus 3 mm

(0.12 in.) but need not exceed 11.5 mm (0.46 in.).

17.3.3(c) Tripping Brackets. Tripping brackets are to be fitted at intervals of about 3 m

(10 ft) and where the width of the face flange exceeds 200 mm (8 in.) on either side of the

girder or web, these are to be arranged to support the flange.


:GA: !1(*;57


t = ( s h /290) + 1.0 mm (min. t = 4.5 mm)

t = ( s h /535) + 0.04 in. (min. t = 0.18 in.)

where




:GA- 2*;@@+5+,4



SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 0.46

h = vertical distance from the middle of ! to the main deck at centerline, in m (ft)






! = as defined in 3-2-5/11.1


SM is increased 25.

:GA? M;,6+,4 (56 R+F4

17.5.3(a) Strength Requirements. Each girder and web supporting bulkhead stiffeners is to

have a section modulus not less than required by 3-2-5/17.3.2 for stiffeners using c of 0.60

and where s is the sum of half lengths of the stiffeners supported on each side of the girder or

web, in m (ft).

17.5.3(b) Proportions. Webs and girders are to have depths not less than 0.0833! (1 in. per ft

of span !) plus one-quarter of the depth of the slots for the stiffeners.

The thickness is not to be less than 1 mm per 100 mm (0.01 in. per in.) of depth plus 3 mm

(0.12 in.) but need not exceed 11.5 mm (0.46 in.).

17.5.3(c) Tripping Brackets. Tripping brackets are to be fitted at intervals of about 3 m

(10 ft) and where the width of the face flange exceeds 200 mm (8 in.) on either side of the

girder or web, these are to be arranged to support the flange.

19 Shell Plating

The thickness of the bottom, side and bilge plating is to be as required below. In addition, the

thickness of plating in these locations is to be not less than as required by 3-2-5/17.3.1 for tank

bulkheads where the spacing of the stiffeners is equal to the frame spacing and the value of h is equal

to the distance from the lower edge of the plate to the under surface of the deck plating at side.

19.1 Bottom Shell


equation:

t = 0.069 L + 0.007s 0.5 mm (min. t = 5 mm)

t = 0.000825 L + 0.007 s 0.02 in. (min. t = 0.20 in.)

where



19.3 Side Shell



t = 0.069 L + 0.007s 1.0 mm L 73 m

t = 0.069 L + 0.007s 1.5 mm L ' 73 m

t = 0.000825 L + 0.007 s 0.04 in. L 240 ft

t = 0.000825 L + 0.007 s 0.06 in. L ' 240 ft





19.5 Bilge and Tunnel Plating

Where radiused bilges are used the bottom thickness is to extend to the upper turn of the bilge where

the radius at the bilge exceeds 305 mm (12 in.), the thickness of the plating should be at least 1.5 mm

(0.06 in.) greater than the required thickness for side plating. The shell plating in tunnels in way of

propellers is to be increased above the requirements of this Subsection.

19.7 Bilge Angles



21 Deckhouses

Side structure of multi-tier superstructure is to be designed to effectively withstand racking forces

caused by wind loadings. If required, racking calculations are to be submitted to substantiate the design.

Tween deck pillars and structural bulkheads are to be provided and arranged to effectively transmitdeck loadings to supports below. Stiffeners on exterior bulkheads are also to be designed to effectively

transmit deck loadings to the main deck. See 3-2-5/13.

21.1 Side and End Bulkheads

-::: !1(*;57

Plating is to be of thickness not less than obtained from the following equation:

t = (3 s h ) + 2.5 mm t = ( s h /50) + 0.10 in.

where


h = 0.0224 L 0.56 m (0.0224 L 1.82 ft)

L = length of the vessel, in m (ft), as defined in 3-1-1/3, but is not to be taken

as less than 50 m (164 ft)

t is not to be taken as less than t m, as defined in the following equation:

t m = 4.0 + 0.01 L mm t m = 0.16 + 0.00012 L in.

-::- 2*;@@+5+,4



SM = 7.8chs!2 cm3 SM = 0.0041chs!2 in3

where

c = 0.45

h = design head defined in 3-2-5/21.1.1, but not less than 1.4 m( 4.6 ft)


! = tween deck height or the distance between vertical webs, in m (ft)





-::? _+,*;3(1 R+F4

Each vertical web supporting horizontal stiffeners on exterior side and end bulkheads, in

association with the plating to which it is attached, is to have a section modulus, SM , as

obtained from the equation in 3-2-5/21.1.2, where s is the sum of half lengths of the stiffeners

supported on each side of the web, in m (ft), and ! is the tween deck height, in m (ft).Proportions are to comply with the requirements of 3-2-5/15.1.2i).

21.3 Openings in Bulkheads

All openings in exterior bulkheads of superstructures or deckhouses are to be provided with efficient

means of closing. Opening and closing appliances are to be framed and stiffened so that the whole

structure is equivalent to the unpierced bulkhead when closed.

21.5 Doors for Access Openings

Doors for access openings into superstructures or deckhouses are to be weathertight, permanently and

strongly attached to the bulkhead, and so arranged that they can be operated from both sides of the

bulkhead.

21.7 Sills of Access Openings

Openings in exposed positions on the weather decks which lead to spaces below are to have sills at

least 150 mm (6 in.) in height. Where these openings lead into passenger areas with intact decks, this

height may be reduced or the sills omitted entirely, provided the openings can be made weathertight.

Similar consideration may be given where passenger areas contain below-deck access provided it can

be shown that flooding of the below deck space into which water could enter through the deck access

opening would not adversely affect the stability or trim of the vessel.

23 Keels, Stems and Stern Frames

23.1 Bar Keels

Where bar keels are used, their thicknesses and depths are to be not less than given by the following

equations:

t = 0.52 L + 9.5 mm t = 0.0062 L + 0.37 in.

h = 1.06 L + 94.5 mm h = 0.0127 L + 3.72 in.

where


h = depth, in mm (in.)

L = length of the vessel, as defined in 3-1-1/3.3

23.3 Flat Plate Keels

Flat plate keels are not to be of less thickness than required for bottom plating.

23.5 Bar Stems

Where bar stems are used, their thicknesses and widths are to be not less than given by the following

equations:

t = 0.38 L + 11.0 mm t = 0.0046 L + 0.44 in.w = 1.09 L + 80.0 mm w = 0.0131 L + 3.15 in.





where




23.7 Sternposts

Where bar sternposts are fitted, their thicknesses and widths are to be not less than given by the


t = 0.52 L + 9.5 mm t = 0.0062 L + 0.37 in.

w = 1.09 L + 80.0 mm w = 0.0131 L + 3.15 in.

where




23.9 Stern Frames

-?N: O55+, !<4*4

Where stern frames are fitted, the thickness and width of the inner post below the shaft boss

are to be not less than given by the following equations:

t = 1.20 L + 20.0 mm t = 0.0144 L + 0.78 in.

w = 1.06 L + 94.5 mm w = 0.0127 L + 3.72 in.

where




-?N- W0*+, !<4*4

Where fitted, the outer post is to have a thickness not less than that required for inner posts

and a width not less than 80 of that required for inner posts.

-?N? 2'<+);+3+

The shoepiece is to be as short as possible, the depth is to be at least 10 greater than the

above calculated thickness and the breadth at least 20 greater than the above calculated

breadth. Gudgeons are to have a thickness of 25 of the rudder stock diameter if bushed and

27.5 if unbushed. The depth of gudgeons is to be not less than 75 of the stock diameter.

25 Rudders

25.1 Materials

Rudder parts such as stocks, palms, gudgeons, etc., may be of cast or forged steel or fabricated

sections made from materials complying with the requirements of Chapter 1 of the ABS Rules for Materials and Welding (Part 2).





25.3 Application

This Section refers to single or twin rudders of the balanced or partially balanced type having efficient

neck bearings, with or without lower bearings. Where rudders are of unusual shape or design or are

associated with construction features which make the formulas of this Subsection inapplicable, the

design and calculations are to be submitted for approval. In such cases the design conditions are to beverified during the trials of the vessel.

25.5 Rudder Stocks

-AA: J))+, 2*<3D4

Upper stocks above the neck bearing are to have diameters not less than given by the

following equation:

S = 12.13 2bAV mm S = 0.2

3 2bAV in.

where

S = diameter of upper stock, in mm (in.)

b = horizontal distance from the center of the pintles to the centroid of A, in

m (ft). See 3-2-5/Figure 2a, b and c.

A = total projected area of the rudder, in m2 (ft2)

V = design speed, in km/h (mph)

The stock diameter is to be adequate for the maximum astern speed.

-AA- H<C+, 2*<3D4 <5 _+44+14 C;*' 2'<+);+3+4

The stock in and below the neck bearing where a top pintle is not fitted is to have a diameter

not less than obtained from the following equation:

S 1 = 12.13 2 RAV mm S 1 = 0.2

3 2 RAV in.

where


R = 0.25./0

123 44 22

16baa


a = vertical distance from the center of the neck bearing to the centroid of A,

in m (ft). See 3-2-5/Figure 2a.

b = horizontal distance from the center of the pintles to the centroid of A, in

m (ft). See 3-2-5/Figure 2a.


The stock is to be of the full diameter for at least two-thirds of the distance from the neck to

the bottom bearing and the diameter may be gradually reduced below this point until it is notless than 0.75S 1 at the bottom of the rudder. Where the diameter of the lower stock in the

bottom bearing is less than the diameter of the lower stock at the bottom of the rudder, a

suitable transition is to be provided. The bearings are to be bushed, and the bush is to be

effectively secured against movement.





-AA? H<C+, 2*<3D4 <5 _+44+14 C;*' 2)(6+ #066+,4

The stock in way of and below the neck bearing is to have a diameter not less than obtained


S 1 = 12.1

3 2

RAV mm S 1 = 0.2

3 2

RAV in.

where


R = a + 22 ba 4

A = total projected area of the rudder in m2 (ft2)

a = vertical distance from the center of the neck bearing to the centroid of A , in m (ft). See 3-2-5/Figure 2b.

b = horizontal distance from the centerline of the rudder stock to the centroid

of A, in m (ft). See 3-2-5/Figure 2b.


The stock is to be of the full diameter to the top of the rudder the diameter may be gradually

reduced below this point until it is 0.33S 1 at the bottom. Above the neck bearing a gradual

transition is to be provided where there is a change in the diameter of the rudder stock. Thelength of the neck bearing is to be at least 1.5S 1. An effective upper bearing is to be provided

above the neck bearing. This upper bearing may be either part of or separate from the rudder carrier. Both the upper and neck bearings are to be bushed and the bushings are to be

effectively secured against movement.

-AA> H<C+, 2*<3D4 <5 _+44+14 C;*' /<,54

The stock in way of and below the neck bearing is to have a diameter not less than obtainedfrom the following equation:

S 1 = 12.13 2 RAV mm S 1 = 0.2

3 2 RAV in.

where

S 1 = diameter of lower stock, in mm (in.), but in no case is it to be less than

1.05 times the required upper stock diameter.

R = 0.33n + 2211.0 bn 4


n = ! A ! p where ! A ' ! p

= (! A/! p)(! A ! p) where ! A ! p

! A = vertical distance from the center of the neck bearing to the centroid of A,

in m (ft). See 3-2-5/Figure 2c.

! p = vertical distance from the center of the neck bearing to the center of the

pintle bearing, in m (ft). See 3-2-5/Figure 2c.

b = horizontal distance from the centerline of the pintle to the centroid of A,

in m (ft). See 3-2-5/Figure 2c.






The lower stock is to be of the full diameter to the top of the rudder. Below this, the strength

of rudder in way of the axis of the stock is to be not less than that of the lower stock required

by 3-2-5/25.5.2 and 3-2-5/25.5.3 above.

The bearing is to be bushed and the bushing effectively secured against movement.

Where the rudder horn supports an upper pintle gudgeon, ! A and ! p, may be measured from

the center of the upper pintle bearing, and the vertical extent of the upper stock for a rudder with an upper pintle may be as shown in 3-2-5/Figure 2a.

25.7 Rudders

Rudders may be of either single or double plate construction and are to have a sufficient number of

arms or diaphragms to provide ample stiffness.

25.9 Couplings

Couplings in rudder stocks or between stock and rudder are to be equivalent to the required diameter

of stock.

25.11 Rudder Stops

Strong and effective rudder stops are to be fitted. Where adequate positive stops are provided within

the gear, structural stops will not be required.

25.13 Supporting and Anti-Lifting Arrangements

Effective means are to be provided for supporting the weight of the rudder assembly and the horizontal

forces on the rudder stock without excessive bearing pressure. They are also to be arranged to prevent

accidental unshipping or undue movement of the rudder which may cause damage to the steering

gear.





FIGURE 1Passenger Vessel Framing

!/2

!

h

!1

!1/2

h1

Type A

!/2

!

h

Type B

!/2

!

h

Type C

!/2

!

Type D

h

!/2

!

Type E

h

Side Frame

Type A c = 0.80 (for h)

Type A c = 1.38 (for h1)

Type B c = 0.90Type C c = 1.00

Type D c = 1.00

Type E c = 1.00





FIGURE 2Rudder Types

b

a

b

a

Lower

stock

Upper

stock Neck bearing

Centroid

of A

a Rudder on a vessel with shoepiece

b

a

Lower

stock

Neck bearing

b

Neck bearing

Lower

stock

! p!

A

Upper

stock

Centroid

of A

b Spade rudder c Rudder on vessel with horn




! " # $ 2 + 3 * ; < 5 Q . R + 1 6 E + 4 ; 7 5


2 9 & $ O W ] 6 Weld Design

1 Fillet Welds

1.1 General

The actual sizes of fillet welds are to be indicated on detail drawings or on a separate welding schedule

and submitted for approval in each individual case.

In general, the weld throat size, t , is not to be less than 0.7 times the weld leg size, w. Continuous

welding may be substituted for intermittent welding. It may be required that special precautions, such

as the use of preheat or low-hydrogen electrodes or welding processes, be employed where small

fillets are used for attachment to heavy plates. Fillet welds may be made by an approved manual or

automatic process.

Where the opening between members exceeds 2.0 mm (1

/16 in.) and is not greater than 5 mm (3

/16 in.),the size of the fillets is to be increased by the amount of the opening. Spacing between plates formingtee joints is not to exceed 5 mm (3/16 in.).

1.3 Tee-Type Boundary Connections

Tank boundary connections are to have double continuous welding in accordance with 3-2-6/Tables

1A and 1B.

Tight boundaries of dry spaces may have intermittent welding on one side in accordance with

3-2-6/Tables 2A and 2B.

1.5 Tee-Type End Connections

Tee-type end connections where fillet welds are used are to have continuous welds on each side. In

general the leg sizes of the welds are to be not less than 3/4 times the thickness of the member being

attached, but in special cases where heavy members are attached to relatively light plating, the sizes

may be modified. Where only the webs of girders, beams and stiffeners are required to be attached to

plating, it is recommended that the unattached face plate or flanges be cut back.

1.7 Other Tee-Type Connections

Frames, beams, bulkhead stiffeners, floors and intercostals, etc., are to have at least the disposition

and sizes of intermittent or continuous fillet welds as required by 3-2-6/Tables 1A, 1B, 2A and 2B.

The stem of a non-watertight tee connection is to be scalloped in way of the joint of both members

forming the tee.



Part 3 Hull Construction and EquipmentChapter 2 Hull Structures and ArrangementsSection 6 Weld Design 3-2-6


1.9 Lapped Joints

Lapped joints are generally to have overlaps of not less width than twice the thinner plate thickness

plus 25 mm (l. in.). Both edges of an overlap joint are to have fillet welds which, depending on the

members to be connected, may be continuous or intermittent and of the size, w, as required by3-2-6/1.11 or 3-2-6/1.13.

1.11 Overlapped End Connections

Overlapped end connections of longitudinal strength members within the midship 0.5 L are to have

continuous fillet welds on both edges each equal in size, w, to the thickness of the thinner of the two

plates joined. All other overlapped end connections are to have continuous welds on each edge of

sizes w such that the sum of the two is not less than 1.5 times the thickness of the thinner plate. In

addition, for stanchions and diagonals, Note 3 of 3-2-6/Tables 1A, 1B, 2A and 2B is to be complied

with. For channel members not attached to plating, the minimum weld area of the end connections

based on the throat dimension of the fillet is not to be less than 75 of the sectional area of the

channel.

1.13 Overlapped Seams

Overlapped seams are to have welds on both edges of the sizes required by 3-2-6/1.7 for tee connections

at boundaries.

1.15 Plug Welds or Slot Welds

Plug welds or slot welds may be specially approved for particular applications. Where used in the

body of doublers and similar locations, such welds may be spaced about 300 mm (12 in.) between

centers in both directions.

3 Alternatives

The foregoing are considered minimum requirements for electric-arc welding in hull construction, but

alternative methods, arrangements and details will be considered for approval. The Steel Vessel Rules

will be an acceptable alternative. Fillet weld sizes may be determined from structural analyses based

on sound engineering principles provided they meet the overall strength standards of the Rules.





TABLE 1ADouble Continuous Fillet Weld Sizes – Millimeters

For weld requirements for thicknesses intermediate to those shown in the Table use the nearest lower thickness shown in the table.

Weld Size for Lesser Thickness of Members Joined, mm

Structural Items 5 6 7 8 9 10 11 12 13 14 15

Beams

Transverse or longitudinal to deck w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5

Bulkhead Plating

w 5.0 5.0 5.0 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5Oiltight, watertight bulkheads periphery t 3.5 3.5 3.5 3.5 4.0 4.5 4.5 5.0 5.5 5.5 6.0

Bulkhead Stiffeners

Deep tank bulkhead w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5

Watertight bulkhead w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5

Non-watertight bulkhead w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5

Center Girder

w 5.0 5.0 5.0 5.0 5.0 5.5 5.5 6.0 6.0 6.5To inner bottom or rider plate in way of engine and to shell or bar keel t 3.5 3.5 3.5 3.5 3.5 4.0 4.0 4.5 4.5 4.5

w 5.0 5.0 5.0 5.0 5.0 5.0 5.5 5.5 6.0 6.0 6.5To inner bottom or rider plate and clear of engine t 3.5 3.5 3.5 3.5 3.5 3.5 4.0 4.0 4.5 4.5 4.5

Frames and Floors

To shell in tanks and peaks w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.5

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 4.0

To shell elsewhere w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5

Wide Spaced Frames and Floors

w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0To shell, deck, inner bottom andlongitudinal bulkheads t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5

Floors – Single Bottom

To center keelson w 5.0 5.0 5.0 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5

t 3.5 3.5 3.5 3.5 4.0 4.5 4.5 5.0 5.5 5.5 6.0

Floors – Double Bottom

w 5.0 5.5 5.5 6.0 6.5 7.5 8.0 9.0 9.5 10.5 11.0Solid floors to center vertical keel platein engine room, under boiler bearers t 3.5 4.0 4.0 4.5 4.5 5.5 5.5 6.5 6.5 7.5 8.0

w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0Solid floors to center vertical keel plateelsewhere and open floor brackets tocenter vertical keel

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5

w 5.0 5.0 5.0 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5Solid floors and open floor brackets tomargin plate t 3.5 3.5 3.5 3.5 4.0 4.5 4.5 5.0 5.5 5.5 6.0

To inner bottom in engine room w 5.0 5.0 5.0 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5

t 3.5 3.5 3.5 3.5 4.0 4.5 4.5 5.0 5.5 5.5 6.0

To inner bottom elsewhere w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5





TABLE 1A (continued)Weld Sizes and Spacing – Millimeters


Weld Size for Lesser Thickness of Members Joined, mm

Structural Items 5 6 7 8 9 10 11 12 13 14 15

Foundations

w 5.0 5.0 5.5 5.5 3.0 6.5 7.0 7.5 8.0 8.5 9.0To top plates, shell or inner bottom for main engines and major auxiliaries t 3.5 3.5 4.0 4.0 4.5 4.5 5.0 5.5 5.5 6.0 6.5

Girders, Webs and Trusses

w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.5 5.5To shell and to bulkheads or decks intanks t 3.5 3.5 3.5 3.5 3.5 3,5 3.5 3.5 4.0 4.0

To bulkheads or decks elsewhere w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.5

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 4.0

Webs to face plates w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.5

t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 4.0

Intercostals

w 5.0 5.0 5.0 5.0 5.0 5.5 5.5 6.0 6.0 6.5To shell and inner bottom in way of engines t 3.5 3.5 3.5 3.5 3.5 4.0 4.0 4.5 4.5 4.5

w 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0To shell and inner bottom elsewhere, to

floors t 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5





TABLE 1BDouble Continuous Fillet Weld Sizes – Inches


Weld Size for Lesser Thickness of Members Joined, in.

Structural Items 0.20 0.24 0.28 0.32 0.36 0.40 0.44 0.48 0.52 0.56 0.60

Beams

Transverse or longitudinal to deck 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

Bulkhead Plating

Oiltight, watertight bulkheads periphery 3/16 3/16 3/16 3/16 7/32 1/4 1/4 9/32 5/16 5/16 11/32

Bulkhead Stiffeners

Deep tank bulkhead 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

Watertight bulkhead 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

Non-watertight bulkhead 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

Center GirderTo inner bottom or rider plate in way of

engine and to shell or bar keel

3/16 3/16 3/16 3/16 3/16 7/32 7/32 1/4 1/4 1/4

To inner bottom or rider plate and clear of engine

3/16 3/16 3/16 3/16 3/16 3/16 7/32 7/32 1/4 1/4 1/4

Frames and Floors

To shell in tanks and peaks 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

To shell elsewhere 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

Wide Spaced Frames and Floors

To shell, deck, inner bottom and longitudinal

bulkheads

3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32


To center keelson 3/16 3/16 3/16 3/16 7/32 1/4 1/4 9/32 5/16 5/16 11/32

Floors – Double Bottom

Solid floors to center vertical keel plate in

engine room, under boiler bearers

3/16 7/32 7/32 1/4 1/4 5/16 5/16 3/8 3/8 7/16 7/16

Solid floors to center vertical keel plateelsewhere and open floor brackets to center

vertical keel

3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

Solid floors and open floor brackets tomargin plate

3/16 3/16 3/16 3/16 7/32 1/4 1/4 9/32 5/16 5/16 11/32

To inner bottom in engine room 3/16 3/16 3/16 3/16 7/32 1/4 1/4 9/32 5/16 5/16 11/32

To inner bottom elsewhere 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

Foundations

To top plates, shell or inner bottom for mainengines and major auxiliaries

3/16 3/16 7/32 7/32 1/4 1/4 9/32 5/16 5/16 11/32 3/8


To shell and to bulkheads or decks in tanks 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32 7/32

To bulkheads or decks elsewhere 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32 7/32

Webs to face plates 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32

Intercostals

To shell and inner bottom in way of engines 3/16 3/16 3/16 3/16 3/16 7/32 7/32 1/4 1/4 1/4

To shell and inner bottom elsewhere, tofloors

3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 7/32





TABLE 2AIntermittent Fillet Weld Sizes and Spacing – Millimeters

For weld requirements for thicknesses intermediate to those shown in the Table use the nearest lower thickness

shown in the table.Weld sizes other than given in the table may be used provided the spacing of welds is modified to give equivalentstrength.

For double continuous weld sizes equivalent to the intermittent welds see 3-2-6/Table 1A.

Weld size for lesser thickness of members joined, mm

5 6.5 8 9.5 11 12.5 14

Length of fillet weld 40 65 65 65 65 65 65

Nominal leg size of fillet w 4.5 5.0 6.5 6.5 8.0 8/0 9.5

Nominal throat size of fillet t 3.0 3.5 4.5 4.5 5.5 5.5 6.5

Structural Items Spacing of Welds S, mmBeams

Transverse or longitudinal to deck *300 *300 300 300 300 300 300

Watertight Bulkhead Plating – Periphery

One side Continuous weld of leg size of plate thicknessless than 2.0 mm

See 3-2-6/Table

1A for doublecontinuous weld

Other side — 250 250 250 250 See 3-2-6/Table1A for double

continuous weld

Bulkhead Stiffeners (See Note 5)

Deep tank bulkhead — 250 250 250 250 250 250

Watertight bulkhead — *300 300 300 300 300 300

Non-watertight bulkhead *300 *350 *350 *350 *350 *350 *350

Center Girder (See Note 6)

To inner bottom or rider plate in way of engine and toshell or bar keel

— 150 150 150 150 150 150

To inner bottom or rider plate and clear of engine — 150 150 150 150 150 150

Frames and Floors (See Notes 5 7)

To shell in tanks and peaks — — 250 250 250 250 250

To shell elsewhere *300 *300 300 300 300 300 300

Wide Spaced Frames and Floor

To shell, deck, inner bottom and longitudinal — 150 150 150 150 150 150


To center keelson See 3-2-6/Table 1A for double continuous welds

Floors – Double Bottom (See Note 7)

Solid floors to center vertical keel plate in engine room,

under boiler bearers

See 3-2-6/Table 1A for double continuous welds

Solid floors to center vertical keel plate elsewhere, and

open-floor brackets to center vertical keel

— *250 *250 250 250 250 250

Solid floors and open-floor brackets to margin plate See 3-2-6/Table 1A for double continuous welds

To inner bottom in engine room See 3-2-6/Table 1A for double continuous welds

To inner bottom elsewhere *300 *300 300 300 300 300 300





TABLE 2A (continued)Intermittent Fillet Weld Sizes and Spacing – Millimeters

Weld size for lesser thickness of members joined, mm

5 6.5 8 9.5 11 12.5 14

Length of fillet weld 40 65 65 65 65 65 65

Nominal leg size of fillet w 4.5 5.0 6.5 6.5 8.0 8/0 9.5

Nominal throat size of fillet t 3.0 3.5 4.5 4.5 5.5 5.5 6.5

Structural Items Spacing of Welds S, mm

Foundations

To top plates, shell or inner bottom for main engines

and major auxiliaries

See 3-2-6/Table 1A for double continuous welds


To shell and to bulkheads or decks in tanks — 200 225 225 225 225 225

To bulkheads or decks elsewhere — 250 250 250 250 250 250

Webs to face plate *250 *250 300 300 300 300 300Intercostals

To shell and inner bottom in way of engine — 150 150 150 150 150 150

To shell and inner bottom elsewhere, to floors *275 *275 275 275 275 275 275

See General Notes at beginning of Table.

* Fillet welds are to be staggered.

Length of fillet to be 75 mm

Notes

1 Where beams, stiffeners, frames, etc., pass through slotted girders, shelves or stringers, there is to be a pair of

matched intermittent welds on each side of each such intersection, and the beams, stiffeners and frames are to be

efficiently attached to the girders, shelves and stringers.2 Longitudinal frames are to have 150 mm of double continuous welding at their ends and in way of transverses

except as follows. Deck longitudinals require 150 mm double continuous welding at ends. Side and deck longitudinals in way of cargo spaces in open hopper barges require a matched pair of welds at their ends.

3 The required welding area of end connections of stanchions and diagonals is not to be less than the following:

" Stanchions 75 of the area of the stanchions

" Diagonals 50 of the area of the diagonal

In determining the weld area provided, the throat dimension of the fillet is to be used.

4 Brackets generally welded 75 mm on 150 mm centers, both sides. Length of fillet weld based on lesser thickness

of members joined.

5 Unbracketed shell and bulkhead stiffeners are to have double continuous welds for one-tenth of their length at eachend.

6 Where center girders are water- or oil-tight a continuous weld is to be used on one side of the connections.

7 Tank end floors are to be welded to shell, center girder and inner bottom as required for deep tank bulkheads.





TABLE 2BIntermittent Fillet Weld Sizes and Spacing – Inches

For weld requirements for thicknesses intermediate to those shown in the Table use the nearest lower thickness

shown in the table.Weld sizes other than given in the table may be used provided the spacing of welds is modified to give equivalentstrength.

For double continuous weld sizes equivalent to the intermittent welds see 3-2-6/Table 1B.

Weld size for lesser thickness of members joined, in.

0.20 0.26 0.32 0.38 0.44 0.50 0.58

Length of fillet weld 11/2 21/2 21/2 21/2 21/2 21/2 21/2

Nominal leg size of fillet w 3/16 3/16 1/4 1/4 5/16 5/16 3/8


BeamsTransverse or longitudinal to deck *12 *12 12 12 12 12 12

Watertight Bulkhead Plating – Periphery

One side Continuous weld of leg size of plate thickness

less than 1/16 in.See 3-2-6/Table

1B for doublecontinuous weld

Other side — 10 10 10 10 See 3-2-6/Table1B for doublecontinuous weld

Bulkhead Stiffeners (See Note 5)

Deep tank bulkhead — 10 10 10 10 10 10

Watertight bulkhead — *12 12 12 12 12 12

Non-watertight bulkhead *12 *14 *14 *14 *14 *14 *14

Center Girder (See Note 6)

To inner bottom or rider plate in way of engine and to

shell or bar keel

— 6 6 6 6 6 6

To inner bottom or rider plate and clear of engine — 6 6 6 6 6 6

Frames and Floors (See Notes 5 7)

To shell in tanks and peaks — — 10 10 10 10 10

To shell elsewhere *12 *12 12 12 12 12 12

Wide Spaced Frames and Floor

To shell, deck, inner bottom and longitudinal — 6 6 6 6 6 6


To center keelson See 3-2-6/Table 1B for double continuous welds

Floors – Double Bottom (See Note 7)

Solid floors to center vertical keel plate in engine room,under boiler bearers

See 3-2-6/Table 1B for double continuous welds

Solid floors to center vertical keel plate elsewhere, and

open-floor brackets to center vertical keel

— *10 *10 10 10 10 10

Solid floors and open-floor brackets to margin plate See 3-2-6/Table 1B for double continuous welds

To inner bottom in engine room See 3-2-6/Table 1B for double continuous welds

To inner bottom elsewhere *12 *12 12 12 12 12 12





TABLE 2B (continued)Intermittent Fillet Weld Sizes and Spacing – Inches

Weld size for lesser thickness of members joined, in.

0.20 0.26 0.32 0.38 0.44 0.50 0.58

Length of fillet weld 11/2 21/2 21/2 21/2 21/2 21/2 21/2

Nominal leg size of fillet w 3/16 3/16 1/4 1/4 5/16 5/16 3/8


Foundations

To top plates, shell or inner bottom for main engines

and major auxiliaries

See 3-2-6/Table 1B for double continuous welds


To shell and to bulkheads or decks in tanks — 8 9 9 9 9 9

To bulkheads or decks elsewhere — 10 10 10 10 10 10

Webs to face plate *10 *10 12 12 12 12 12

IntercostalsTo shell and inner bottom in way of engine — 6 6 6 6 6 6

To shell and inner bottom elsewhere, to floors *11 *11 11 11 11 11 11

See General Notes at beginning of Table.

* Fillet welds are to be staggered.

Length of fillet to be 3 in.

Notes

1 Where beams, stiffeners, frames, etc., pass through slotted girders, shelves or stringers, there is to be a pair of

matched intermittent welds on each side of each such intersection, and the beams, stiffeners and frames are to beefficiently attached to the girders, shelves and stringers.

2 Longitudinal frames are to have 6 inches of double continuous welding at their ends and in way of transversesexcept as follows. Deck longitudinals require 6 inches double continuous welding at ends. Side and deck

longitudinals in way of cargo spaces in open hopper barges require a matched pair of welds at their ends.

3 The required welding area of end connections of stanchions and diagonals is not to be less than the following:

" Stanchions 75 of the area of the stanchions

" Diagonals 50 of the area of the diagonal

In determining the weld area provided, the throat dimension of the fillet is to be used.

4 Brackets generally welded 3 inches on 6 inch centers, both sides. Length of fillet weld based on lesser thickness of members joined.

5 Unbracketed shell and bulkhead stiffeners are to have double continuous welds for one-tenth of their length at eachend.

6 Where center girders are water- or oil-tight a continuous weld is to be used on one side of the connections.

7 Tank end floors are to be welded to shell, center girder and inner bottom as required for deep tank bulkheads.



ABS RULES FOR BUILDING AND CLASSING STEEL 1ESSELS FOR SER1ICE ON RI1ERS 2 INTRACOASTAL 3ATER3A4S . 007 129

P A R T C h a p t e r 3 : S u b d i v i s i o n a n d S t a b i l i t y

3C H A P T E R 3 Subdivision and Stability

CONTENTS


1 Definitions ..........................................................................131

1.1 Margin Line ................................................................... 131

1.3 Deepest Subdivision Draft............................................. 131

3 Intact Stability.....................................................................131

3.1 Vessels Over 100 Gross Tons, greater than 20 m(65 ft) in Length, or Carrying 50 or More Passengers ...131

3.3 Self-propelled Vessels Under 100 m (328 ft) inLength ........................................................................... 132

5 Damage Stability................................................................133

5.1 Permeability .................................................................. 133

5.3 Extent of Damage ......................................................... 133

7 Portlights in Cargo Spaces Located Below the MarginLine ....................................................................................133

9 Automatic Ventilating Portlights.........................................134

11 Shell Connections Located Below the Margin Line ...........134

13 Gangway and Cargo Ports Located Below the MarginLine ....................................................................................134

15 Openings and Penetrations in Watertight Bulkheads ........135

17 Doors, Manholes and Access Openings............................135

19 Shaft Tunnel Door and Doors within PropulsionMachinery Spaces .............................................................135

21 Watertight Doors in Watertight Bulkheads.........................136

23 Power-operated Sliding Watertight Doors .........................136

25 Watertight Doors in Cargo Spaces ....................................139

27 Portable Plates...................................................................140

29 Miscellaneous ....................................................................140

31 Watertight Decks, Trunks, Tunnels, Duct Keels andVentilators..........................................................................140

33 Inclining Experiment...........................................................140

35 Deadweight Survey............................................................141

37 Trim and Stability Booklets ................................................141

39 Damage Control Plans.......................................................141




P A R T S e c t i o n 1 : P a s s e n g e r V e s s e l s

3C H A P T E R 3 Subdivision and Stability

S E C T I O N 1 Passenger Vessels

1 Definitions

1.1 Margin Line

The Margin Line is a line drawn at least 76 mm (3 in.) below the upper surface of the main deck at side.

1.3 Deepest Subdivision Draft

Deepest Subdivision Draft is the waterline which corresponds to the greatest draft permitted by the

subdivision requirements which are applicable.

3 Intact Stability

3.1 Vessels Over 100 Gross Tons, Greater than 20 m (65 ft) in Length, or Carrying50 or More Passengers

The metacentric height, GM , of these vessels is to be as indicated by the following equations in each

condition of loading and operation, except that vessels under 20 m (65 ft) in length, of 100 gross tons

or less, and carrying between 50 and 150 passengers need only comply with Equation 1.

GM ' PAH KW tan(T )M ............................................................................................................ (1)

GM ' NbK KW tan(T )M............................................................................................................. (2)

where

P N 0.028 ( LK1309)2 tfKrn2 (0.0025 LK14200M2 LtfKft2)

L N length of the vessel, in m (ft), as defined in 3-1-1K3

A N proected lateral area of the portion of the vessel above the waterline, in m2 (ft2)

H N vertical distance from the center of A to the center of the vesselUs underwater

lateral area, or approximately to the one-half draft point, in m (ft)

W N force corresponding to the displacement of the vessel, in tf (Ltf)

T N 14° or the angle of heel at which one half of the freeboard to the deck edge is

immersed, whichever is less.



Part 3 Hull Construction and EquipmentChapter 3 Subdivision and StabilitySection 1 Passenger Vessels 3-3-1

132 ABS RULES FOR BUILDING AND CLASSING STEEL 1ESSELS FOR SER1ICE ON RI1ERS 2 INTRACOASTAL 3ATER3A4S . 007

N N number of passengers

b N distance from the centerline of the vessel to the geometric center of the passenger

deck on one side of the centerline, in m (ft)

K N 23.6 passengersKtf (24 passengersKLtf)

3.3 Self-propelled Vessels Under 100 m (328 ft) in Length

These vessels are to comply with 3-3-1K3.3.1 or 3-3-1K3.3.2 below. For the purpose of demonstrating

compliance with 3-3-1K3.3.1 or 3-3-1K3.3.2 below, at each angle of heel the vesselXs righting arm is to

be calculated after the vessel is permitted to trim freely until the trimming moment is zero.

3.3.1 Vessels with Maximum Righting Arm Occurring at an Angle of Heel > 30°

These vessels are to haveZ

i) An initial metacentric height (GM ) of at least 0.15 m (0.49 ft).

ii) A maximum righting arm (GZ ) of at least 0.20 m (0.66 ft) at an angle of heel equal to

or greater than 30°

iii) An area under each righting arm curve of at least 3.15 m-degrees (10.3 ft-degrees) up

to an angle of heel of 30°.

iv) An area under each righting arm curve of at least 5.15 m-degrees (16.9 ft-degrees) up

to an angle of heel of 40°, or the downflooding angle, whichever is less, and

v) An area under each righting arm curve between the angles of 30° and 40°, or between

30° and the downflooding angle, if this angle is less than 40°, of not less than 1.72

m-degrees (5.6 ft-degrees).

3.3.2 Vessels with Maximum Righting Arm Occurring at an Angle of Heel + 30°

These vessels are to comply with 3-3-1K3.3.1 or are to have\

i) An initial metacentric height (GM ) of at least 0.15 m (0.49 ft).

ii) A maximum righting arm that occurs at an angle of heel not less than 15°.

iii) An area under each righting arm curve of at least 5.15 m-degrees (16.9 ft-degrees) up

to an angle of heel of 40°, or the downflooding angle, whichever is less, and

iv) An area under each righting arm curve between the angles of 30° and 40°, or between

30° and the downflooding angle, if this angle is less than 40°, of not less than 1.72

m-degrees (5.6 ft-degrees).

v) An area under each righting arm curve up to the angle of maximum righting arm of

not less than the area determined by the following equationsZ

A N 3.15 0.057(30 – Y ) m-degrees A N 10.3 0.187(30 – Y ) ft-degrees

where

A N area, in m-degrees (ft-degrees)

Y N angle of maximum righting, in degrees





5 Damage Stability

All vessels over 100 gross tons, greater than 20 m (65 ft) in length, or carrying more than 150 passengers,

are to comply with a one-compartment standard of flooding (no damage to any main transverse watertight

bulkhead), irrespective of the maximum number of passengers carried. The following assumptions areto be made in determining compliance with the one compartment standard.

5.1 Permeability

The following uniform average permeabilities are to be assumedZ

i) Cargo, stores and baggage spacesZ 60B.

ii) achinery spacesZ 85`

iii) TanksZ 0` or 95`, whichever results in the most disabling condition.

iv) All other spacesZ 95`.

5.3 Extent of Damage

5.3.1 Vessels of 43.5 m (143 ft) in Length or Greater

For vessels 43.5 m (143 ft) or more in length, the following extent of damage is to be assumedZ

5.3.1(a) Longitudinal penetration. 3 m (10 ft) plus 3` of the vesselUs length, or 10.7 m (35 ft)

whichever is less.

5.3.1(b) Transverse penetration. K5 where is the mean of the maximum beam at the

bulkhead deck and the maximum beam at the deepest subdivision draft, applied inboard from

the side of the vessel, at right angles to the centerline, at the level of the deepest subdivision

draft.

5.3.1(c) Vertical penetration. pward without limit.

5.3.2 Vessels Under 43.5 m (143 ft) in Length

For vessels less than 43.5 m (143 ft) in length, the following extent of damage is to be assumedZ

5.3.2(a) Longitudinal penetration. 1.8 m (6 ft) or 10` of the vesselUs length, whichever is

greater.

5.3.2(b) Transverse penetration. K5 where is the mean of the maximum beam at the

bulkhead deck and the maximum beam at the deepest subdivision draft, applied inboard from

the side of the vessel, at right angles to the centerline, at the level of the deepest subdivision

draft.

5.3.2(c) Vertical penetration. pward without limit.

7 Portlights in Cargo Spaces Located Below the Margin Line

Portlights located below the margin line are to be fitted with tempered monolithic glass of thickness

obtained from the following equation and are to comply with i), ii) and iii), below.

t N 0.033d t min N 8.0 mm (0.31 in.)

where

d N clear glass diameter, in mm (in.)

t N glass thickness, in mm (in.)





i) Portlights are not to be fitted in any spaces which are used exclusively for the carriage

of cargo.

ii) Portlights may be fitted in spaces used alternatively for the carriage of cargo or

passengers, but they are to be of such construction as will effectively prevent any

unauthorized opening.

iii) If cargo is carried in spaces mentioned in ii), the portlights and their deadlights are to

be closed watertight and locked before the cargo is shipped.

9 Automatic Ventilating Portlights

Automatic ventilating portlights are not to be fitted in the shell plating below the margin line without

special approval.

11 Shell Connections Located Below the Margin Line

11.1

All inlets and discharges in the shell plating are to be fitted with efficient and accessible arrangements

for preventing the accidental ingress of water into the vessel.

11.3

Except as provided in 3-3-1K11.5, each separate discharge led through the shell plating from spaces

below the margin line is to be provided with either one automatic non-return valve fitted with a

positive means of closing from above the bulkhead deck or with two automatic non-return valves

without positive means of closing, provided that the inboard valve is situated above the deepest draft

and is always accessible for examination under service conditions. Where a valve with positive meansof closing is fitted, the operating position above the bulkhead deck is always to be readily accessible,

and means are to be provided for indicating whether the valve is open or closed.

11.5

achinery space main and auxiliary sea inlets and discharges used in connection with the operation of

machinery are to be fitted with readily accessible valves between the pipes and the shell plating or

between the pipes and fabricated boxes attached to the shell plating. The valves may be controlled

locally and are to be provided with indicators showing whether they are open or closed.

13 Gangway and Cargo Ports Located Below the Margin Line

13.1

Gangway and cargo ports fitted below the margin line are to be of sufficient strength. They are to becapable of being effectively closed and secured watertight. The scantlings of the ports are to beequivalent to the scantlings required by the Rules for the hull structure in that location. Ports shouldnormally open outboard. Ports which open inboard are to have portable strong-backs or props inaddition to the regular dogs. If accessible during service, they are to be fitted with a device which

prevents unauthorized opening. Shell doublers or insert plates are to be fitted to compensate for theopenings and the corners of openings are to be well rounded. Indicators showing whether the ports areopen or secured closed are to be located in the wheelhouse or main control center.

13.3

Such ports are to be so located as to have their lowest point above the deepest draft waterline.





15 Openings and Penetrations in Watertight Bulkheads

15.1

The number of openings in watertight bulkheads is to be reduced to the minimum compatible with thedesign and proper working of the vessel\ satisfactory means are to be provided for closing these

openings.

15.3

Valves not forming part of a piping system are not permitted in watertight subdivision bulkheads.

15.5

Lead or other heat sensitive materials are not to be used in systems which penetrate watertight subdivision

bulkheads, where deterioration of such material would in the event of a fire, impair the watertight

integrity of the bulkheads.

15.7

Except as provided in 3-3-1K15.9, the collision bulkhead may be pierced below the margin line by not

more than one pipe for dealing with fluid in the forepeak, provided that the pipe is fitted with a

screwdown valve capable of being operated from above the bulkhead deck\ the valve chest being

located on the collision bulkhead inside the forepeak.

15.9

If the forepeak is divided to hold two kinds of liquids, the collision bulkhead may be pierced below

the margin line by two pipes, each of which is fitted as required by paragraph d, provided there is no

practical alternative to the fitting of such a second pipe and that, having regard to the additional

subdivision provided in the forepeak, the safety of the vessel is maintained.

17 Doors, Manholes and Access Openings

Doors, manholes, or access openings are not permittedZ

i) In the collision bulkhead below the margin line\

ii) In watertight transverse bulkheads dividing a cargo space from an adoining cargo space or

from a permanent or reserve bunker, except as provided in 3-3-1K25.

19 Shaft Tunnel Door and Doors within Propulsion MachinerySpaces

Within spaces containing the main and auxiliary propulsion machinery including boilers serving the

needs of propulsion, not more than one watertight door, apart from the watertight doors to shaft

tunnels, is to be fitted in each main transverse bulkhead. Where two or more shafts are fitted, the

tunnels are to be interconnected by a passage. There is to be only one watertight door between the

machinery space and the tunnel spaces where two shafts are fitted, and only two watertight doors

where there are more than two shafts. All these watertight doors are to be of the sliding type and are to

be so located as to have their sills as high as practicable. The hand gear for operating these doors from

above the bulkhead deck is to be situated outside the spaces containing the machinery. See also

4-4-1K25.9.4.





21 Watertight Doors in Watertight Bulkheads

21.1

Watertight doors, except as provided in 3-3-1K25 are to be power-operated sliding doors complyingwith the requirements of 3-3-1K23 capable of being closed simultaneously from the central operating

console at the navigation bridge (or main control station) in not more than 60 seconds with the vessel

in the upright position.

21.3

The means of operation whether by power or by hand of any power-operated sliding watertight door

is to be capable of closing the door with the vessel listed to 15° either way. Consideration is also to be

given to the forces which may act on either side of the door as may be experienced when water is

flowing through the opening applying a static head equivalent to a water height of at least 1 m (3.28

ft) above the sill on the centerline of the door.

21.5

Watertight door controls, including hydraulic piping and electric cables, are to be kept as close as

practicable to the bulkhead in which the doors are fitted, in order to minimize the likelihood of them

being involved in any damage which the vessel may sustain. The positioning of watertight doors and

their controls are to be such that if the vessel sustains damage within one fifth of the breadth of the

vessel, as defined in 3-1-1K5, such distance being measured at right angles to the centerline at the level

of the deepest subdivision load line, the operation of the watertight doors clear of the damaged portion

of the vessel is not impaired.

21.7

All power-operated sliding watertight doors are to be provided with means of indication which willshow at all remote operating positions whether the doors are open or closed. Remote operating

positions are to be at the navigation bridge (or main control station) as required by 3-3-1K23.1.5 and,

at the location where hand operation above the bulkhead deck is required by 3-3-1K23.1.4.

21.9 (1##6)

Sliding doors are to be hydrostatically tested at the manufacturer with a head of water not less than the

height to the deck at center.

23 Power-operated Sliding Watertight Doors

23.1

Each power-operated sliding watertight door is to comply with the followingZ

23.1.1

Have either a vertical or a horizontal motion\





23.1.2

Subect to 3-3-1K27, normally being limited to a maximum clear opening width of 1.2 m

(3.94 ft). Larger doors may be considered to the extent necessary for the effective operation of

the vessel provided that other safety measures, including the following, are taken into

considerationZi) Special consideration is to be given to the strength of the door and its closing

appliances in order to prevent leakages\

ii) The door is to be located inboard of the transverse extent of damage ( K5)\

iii) The door is to be kept closed when the vessel is in service, except the door may be

opened for limited periods when absolutely necessary.

23.1.3

Be fitted with the necessary equipment to open and close the door using electric power,

hydraulic power, or any other acceptable form of power.

23.1.4

Be provided with an individual hand-operated mechanism. It is to be possible to open and

close the door by hand from either side of the door, and in addition, close the door from an

accessible position above the bulkhead deck with an all round crank motion or some other

movement providing the same acceptable degree of safety. Direction of rotation or other

movement is to be clearly indicated at all operating positions. The time necessary for the

complete closure of the door, when operating by hand gear, is not to exceed 90 seconds with

the vessel in the upright position\

23.1.5

Be provided with controls for opening and closing the door by power from both sides of the

door and also for closing the door by power from the central operating console at thenavigation bridge (or main control station)\

23.1.6

Be provided with an audible alarm, distinct from any other alarm in the area, which will

sound whenever the door is closed remotely by power and which is to sound for at least five

seconds but no more than ten seconds before the door begins to move and is to continue

sounding until the door is completely closed. In the case of remote hand operation it is

sufficient for the audible alarm to sound only when the door is moving. Additionally, in

passenger areas and areas of high ambient noise, the audible alarm is to be supplemented by a

warning sign posted on each side of the door, an intermittent visual signal at the door\ and

23.1.7

Have an approximately uniform rate of closure under power. The closure time, from the timethe door begins to move to the time it reaches the completely closed position, is to be not lessthan 20 seconds or more than 40 seconds with the vessel in the upright position.

23.3

The electrical power required for power-operated sliding watertight doors is to be supplied from the

emergency switchboard either directly or by a dedicated distribution board situated above the bulkhead

deck. The associated control, indication and alarm circuits are to be supplied from the emergency

switchboard either directly or by a dedicated distribution board situated above the bulkhead deck.





23.5

Power-operated sliding watertight doors are to have one of the following systems,

23.5.1

A centralized hydraulic system with two independent power sources each consisting of amotor and pump capable of simultaneously closing all doors. In addition, there are to be for

the whole installation hydraulic accumulators of sufficient capacity to operate all the doors at

least three times (i.e., closed-open-closed) against an adverse list of 15°. This operating cycle

is to be capable of being carried out when the accumulator is at the pump cut-in pressure. The

fluid used is to be chosen considering the temperatures liable to be encountered by the

installation during its service. The power operating system is to be designed to minimize the

possibility of having a single failure in the hydraulic piping adversely affect the operation of

more than one door. The hydraulic system is to be provided with a low-level alarm for

hydraulic fluid reservoirs serving the power-operated system and a low gas pressure alarm or

other effective means of monitoring loss of stored energy in hydraulic accumulators. These

alarms are to be audible and visual and are to be situated on the central operating console atthe navigation bridge (or main control station).

23.5.2

An independent hydraulic system for each door with each power source consisting of a motor

and pump capable of opening and closing the door. In addition, there is to be a hydraulic

accumulator of sufficient capacity to operate the door at least three times (i.e., closed-open-

closed) against an adverse list of 15°. This operating cycle is to be capable of being carried

out when the accumulator is at the pump cut-in pressure. The fluid used is to be chosen

considering the temperatures liable to be encountered by the installation during its service. A

low gas pressure group alarm or other effective means of monitoring loss of stored energy in

hydraulic accumulators is to be provided at the central operating console on the navigation

bridge (or main control station). Loss of stored energy indication at each local operating position is to be provided.

For the systems specified in 3-3-1K23.5.1 and 3-3-1K23.5.2 above, the power systems for power-

operated watertight sliding doors are to be separate from any other power system. A single failure in

the electric or hydraulic power-operated system excluding the hydraulic actuator is not to prevent the

hand operation of any door.

23.7

Control handles are to be provided at each side of the bulkhead at a minimum height of 1.6 m (5.25 ft)

above the deck and are to be so arranged as to enable persons passing through the doorway to hold

both handles in the open position without being able to set the power closing mechanism in operation

accidentally. The direction of movement of the handles in opening and closing the door is to be in thedirection of door movement and is to be clearly indicated.

23.9

As far as practicable, electrical equipment and components for watertight doors are to be situated

above the bulkhead deck and outside hazardous areas and spaces.

23.11

The enclosures of electrical components necessarily situated below the bulkhead deck are to provide

suitable protection against the ingress of water.





23.13

Electric power, control, indication and alarm circuits are to be protected against fault in such a way

that a failure in one door circuit will not cause a failure in any other door circuits. Short circuits or

other faults in alarm or indicator circuits of a door are not to result in a loss of power operation of that

door. Arrangements are to be such that leakage of water into the electrical equipment located belowthe main deck will not cause the door to open.

23.15

A single electrical failure in the power operating or control system of a power-operated sliding

watertight door is not to result in opening of a closed door. Availability of the power supplies is to be

continuously monitored at a point in the electrical circuit as near as practicable to each of the motors

required by 3-3-1K23.5 above. Loss of any such power supply is to activate an audible and visual

alarm at the central operating console at the navigation bridge or main control station).

23.17 Central Operating Console

23.17.1

The central operating console at the navigation bridge (or main control station) is to have a

master modej switch with two modes of controlZ a local controlj mode which will allow

any door to be locally opened and locally closed after use without automatic closure, and a

doors closedj mode which will automatically close any door that is open. The doors closedj

mode will permit doors to be opened locally and will automatically reclose the doors upon

release of the local control mechanism. The master modej switch is to be normally in the

local controlj mode.

23.17.2

The central operating console at the navigation bridge (or main control station) is to be provided with a diagram showing the location of each door, with visual indicators to show

whether each door is open or closed. A red light is to indicate a door is fully open and a green

light is to indicate a door is fully closed. When the door is closed remotely the red light is to

indicate the intermediate position by flashing. The indicating circuit is to be independent of

the control circuit for each door.

23.17.3

The arrangements are to be such as to prohibit the opening of any door from the central

operating console.

25 Watertight Doors in Cargo SpacesWatertight doors of substantial construction may be fitted in watertight bulkheads dividing cargo

between deck spaces. Such doors may be hinged, rolling or sliding doors and are not to be remotely

controlled. They are to be fitted at the highest level and as far from the shell plating as practicable, but

in no case is the outboard vertical edge to be situated at a distance from the shell plating which is less

than one fifth of the breadth of the vessel, such distance being measured at right angles to the

centerline of the vessel at the level of the deepest draft.

All watertight doors in the cargo spaces are to be kept closed during navigation and should any of the

doors be accessible during the voyage, they are to be fitted with a device which prevents unauthorized

opening. When it is proposed to fit such doors, the number and arrangements are to be specially

considered.





27 Portable Plates

Portable plates on bulkheads are not permitted except in machinery spaces. The necessary precautions

are to be taken in replacing them to ensure that the oints are watertight.

The Bureau will consider not more than one power-operated sliding watertight door in each main

transverse bulkhead larger than 1.2 m (3.94 ft) in clear opening width being substituted for these

portable plates, provided these doors are closed during navigation except, in case of urgent necessity,

the doors may be opened at the discretion of the master. These doors need not meet the requirements

of 3-3-1K23.1.4 regarding complete closure by hand-operated gear in 90 seconds provided the doors

can be closed in a reasonable time.

29 Miscellaneous

29.1

Where trunkways or tunnels for piping, or for any other purpose are carried through main transversewatertight bulkheads, they are to be watertight and in accordance with the requirements of 3-2-5K17.

The access to at least one end of each such tunnel or trunk-way, if used as a passage during service, is

to be through a trunk extending watertight to a height sufficient to permit access above the margin

line. The access to the other end of the trunk-way or tunnel may be through a watertight door of the

type required by its location in the vessel. Such trunk-ways or tunnels are not to extend through the

first subdivision bulkhead abaft the collision bulkhead.

29.3

Where it is proposed to fit tunnels piercing main transverse watertight bulkheads, these will be subect

to special consideration.

29.5

Where trunkways in connection with refrigerated cargo and ventilation or forced draft trunks are

carried through more than one watertight bulkhead, the means of closure at such openings are to be

operated by power and be capable of being closed from a central position situated above the bulkhead

deck.

31 Watertight Decks, Trunks, Tunnels, Duct Keels and

Ventilators

Watertight decks, trunks, tunnels, duct keels and ventilators are to be of the same strength as watertight bulkheads at corresponding levels. The means used for making them watertight, and the arrangements

adopted for closing openings in them are to be submitted for approval. Watertight ventilators and

trunks are to be carried at least up to the main deck.

33 Inclining Experiment

A stability test (lightweight survey and inclining experiment) to determine the lightship displacement

and center of gravity of the vessel is to be carried out in the presence of a Surveyor.





35 Deadweight Survey

In lieu of an inclining experiment, a deadweight survey may be performed to determine the lightweight

displacement and longitudinal center of gravity, provided it can be shown that locating the precise

position of the vesselUs vertical center of gravity is not necessary to ensure that the vessel has adequatestability in all probable loading conditions.

37 Trim and Stability Booklets

Trim and stability booklets generally will not be required for river service passenger vessels of normal

configuration with barge-type hulls. Vessels of unusual configuration or with ship-type hulls will be

subect to special consideration.

39 Damage Control Plans

For the guidance of the officers in charge, plans showing clearly for each deck and hold the boundaries

of the watertight compartments, the openings therein with the means of closure and position of any

controls thereof, and the arrangements for the correction of any heel due to flooding are to be

permanently exhibited onboard the vessel. In addition, booklets containing the aforementioned information

are to be made available to the officers of the vessel.




P A R T C h a p t e r 4 : F i r e S a f e t y M e a s u r e s

3C H A P T E R 4 Fire Safety Measures

CONTENTS


1 Application .........................................................................145

3 Definitions ..........................................................................145

3.1 Accommodation Space ................................................. 145

3.3 Public Space .................................................................145

3.5 High Risk Service Space............................................... 145

3.7 Special Category Space................................................ 145

3.9 Corridors ....................................................................... 145

3.11 Control Stations............................................................. 145

3.13 Machinery Spaces of Category A.................................. 146

3.15 Machinery Spaces......................................................... 146

3.17 Non Combustible Material............................................. 146

3.19 Standard Fire Test ........................................................ 146

3.21 A Class Division.......................................................... 146

3.23 B Class Division.......................................................... 147

3.25 Continuous B Class Ceilings or Linings ...................... 147

3.27 Steel Equivalent Material .............................................. 147

3.29 Low Flame Spread Surface........................................... 147

5 Main Vertical ones...........................................................147

7 Protection of Accommodation Spaces, Service Spacesand Control Stations ..........................................................148

9 Stairways W Elevators........................................................148

11 Non-Combustible Materials ...............................................149 13 Exposed Surfaces, Deck Coverings, and Paints,

Varnishes and Other Finishes ...........................................149

15 Details of Construction.......................................................150

17 Ventilation ..........................................................................150

19 Miscellaneous Items ..........................................................151

21 Means of Escape ...............................................................151

23 Fire Control Plans ..............................................................152




P A R T S e c t i o n 1 : P a s s e n g e r V e s s e l s

3C H A P T E R 4 Fire Safety Measures

S E C T I O N 1 Passenger Vessels

1 ApplicationThese requirements apply to steel vessels. The use of other materials may be accepted, provided that

they provide an equivalent standard of safety.

3 Definitions

3.1 Accommodation Space

!""#$$#%&'(#) +,&"-. are those used for public spaces, corridors, lavatories, cabins, offices, hospitals,

cinemas, games and hobby rooms, barber shops, pantries containing no cooking appliances and similar

spaces.

3.3 Public Space

/012(" +,&"-. are those portions of the accommodation which are used for halls, dining rooms,

lounges and similar permanently enclosed spaces.

3.5 High Risk Service Space

3(45 6(.7 +-89("- +,&"-. are those used for galleys, pantries containing cooking appliances, paint andlamp rooms, lockers and storerooms having areas of 4 m2 (43 ft2) or more, and workshops other than

those forming part of the Machinery Spaces.

3.7 Special Category Space+,-"(&2 :&'-4#8; +,&"-. are those enclosed spaces above or below the bulkhead deck intended for the

carriage of motor vehicles with fuel in their tanks for their own propulsion, into and from which such

vehicles can be driven and to which passengers have access.

3.9 Corridors

:#88(%#8. are passenger and crew corridors and lobbies.

3.11 Control Stations

:#)'8#2 +'&'(#). are spaces containing emergency sources of power and lighting, wheelhouse and

chartroom space containing the ship's radio equipment, fire-extinguishing rooms, fire-control rooms,

fire-recording stations and control rooms for propulsion machinery when located outside the machinery

space.



Part 3 Hull Construction and EquipmentChapter 4 Fire Safety MeasuresSection 1 Passenger Vessels 3-4-1


3.13 Machinery Spaces of Category A

<&"5()-8; +,&"-. #= :&'-4#8; ! are those spaces and trunks to such spaces which contain:

(> Internal combustion machinery used for main propulsion; or

((> Internal combustion machinery used for purposes other than main propulsion where such

machinery has in the aggregate a total power output of not less than 375 KW; or

(((> Any oil fire boiler or oil fuel unit.

3.15 Machinery Spaces

<&"5()-8; +,&"-. are all machinery spaces of category A and all other spaces containing propulsion

machinery, boilers, oil fuel units, steam and internal combustion engines, generators and major

electrical machinery, oil filling stations, refrigerating, stabilizing, ventilation and air-conditioning

machinery, and similar spaces and trunks to such spaces.

3.17 Non Combustible MaterialA ?#)@"#$10.'(12- <&'-8(&2 is one which neither burns nor gives off flammable vapors in sufficient

quantity for self ignition when heated to approximately 750°C (1382°F), this being determined by an

established recognized test procedure which is to be submitted for review.

3.19 Standard Fire Test

A +'&)%&8% A(8- B-.' is one in which specimens of the relevant bulkheads or decks are exposed in atest furnace to temperatures corresponding approximately to the standard time temperature curve. The

specimen is to have an exposed surface of not less than 4.65 m2 (50 ft2) and height (or length of deck)

of 2.44 m (8 ft), resembling as closely as possible the intended construction and including where

appropriate at least one joint. The standard time-temperature curve is defined by a smooth curve

drawn through the following temperature points measured above the initial furnace temperature:

At the end of the first:

" 5 minutes: 556°C (1033°F)

" 10 minutes: 659°C (1218°F)

" 15 minutes: 718°C (1324°F)

" 30 minutes: 821°C (1510°F)

" 60 minutes: 925°C (1697°F)

3.21 AQ Class Division

C!D :2&.. E(9(.(#). are divisions formed by bulkheads and decks which comply with the following:

(> They are constructed of steel or other equivalent material

((> They are suitably stiffened

(((> They are so constructed as to be capable of preventing the passage of smoke and flame until

the end of the one hour standard fire test

(9> They are insulated with approved non-combustible materials such that the average temperature

of the unexposed side will not rise more than 139°C (282°F) above the original temperature,

nor will the temperature, at any one point, including any joint, rise more than 180°C (356°F)

above the original temperature within the time listed below:





" Class “A-60” 60 minutes

" Class “A-0” 0 minutes

9> A test of a prototype bulkhead or deck to a recognized standard to ensure that it meets the

above requirements for integrity and temperature rise may be required.

3.23 BQ Class Division

CFD :2&.. E(9(.(#). are divisions formed by bulkheads, decks, ceilings, or linings which comply with

the following:

(> They are to be so constructed as to be capable of preventing the passage of flame to the end of

the first half hour of the standard fire test.

((> They are to have an insulation value such that the average temperature of the unexposed side

will not rise more that 139°C (282°F) above the original temperature, nor will the temperature

at any one point, including any joint, rise more than 225°C (437°F) above the original

temperature within the time listed below.

" Class “B-0” 0 minutes

(((> They are to be constructed of approved non-combustible materials and all materials entering

into the construction and erection of “B” Class divisions are to be non-combustible, with the

exception that combustible veneers may be permitted provided they meet other requirements

in this section

(9> A test of a prototype division to a recognized standard to ensure that it meets the above

requirements for integrity and temperature rise may be required.

3.25 Continuous BQ Class Ceilings or Linings

:#)'()0#0. CFD :2&.. :-(2()4. #8 G()()4. are those “B

”

Class ceilings or linings which terminate onlyat “A” or “B”

Class Divisions.

3.27 Steel Equivalent Material

A +'--2 HI0(9&2-)' <&'-8(&2 is a non-combustible material which, by itself or due to the insulation

provided, has structural and integrity properties equivalent to steel at the end of the applicable

exposure to the standard fire test (i.e., aluminum alloy with appropriate insulation).

3.29 Low Flame Spread Surface

A G#J A2&$- +,8-&% +08=&"- is a surface that will adequately restrict the spread of flame, this being

determined to the satisfaction of the Flag State or Bureau by a recognized, established test procedure.

5 Main Vertical =ones

The hull, superstructure, and deckhouses are to be subdivided by “A-60” divisions into main vertical

zones, each with the mean length on any deck generally not in excess of 48 m (157.50 ft) with a

square area of deck not to exceed 1600 m2 (17222 ft2).





7 Protection of Accommodation Spaces, Service Spaces and

Control Stations

7.1Corridor bulkheads are to be “A” or “B” Class divisions extending from deck to deck. Where continuous

“B” Class ceilings and/or linings are fitted on both sides of the bulkhead, the “B” Class bulkhead may

terminate at the continuous ceiling or lining. Doors fitted in “B” Class divisions may have a louver in

the lower half not exceeding 0.05 m2 (78 in2). As an equivalent, these doors may be undercut up to25 mm (1 in.). Such openings or undercuttings are not to be provided in doors forming a stairway

enclosure.

7.3

All doors and frames in such bulkheads are to be of non-combustible materials and are to be so

constructed and erected as to provide substantial fire resistance, as to maintain the integrity of the

division in which the doors are fitted.

7.5

The Machinery Spaces of Category A, High Risk Service Spaces, and Control Stations are to be

isolated from adjacent Accommodation Spaces and each other by “A-60” Divisions.

7.7

The fire integrity of the deck between accommodation spaces is to be steel or equivalent. However,

where a deck is penetrated for the passage of electric cables, pipes and vent ducts, such penetrations

are to be of “A” Class integrity

7.9

The fire integrity of the divisions between the accommodation spaces and the machinery spaces of

other than Category “A” is to be “A-0” Class.

9 Stairways Elevators

9.1

Stairways which penetrate only a single deck are to be protected at least at one level by an “A” Class

Division and self-closing door so as to limit the rapid spread of fire from one deck to another.

Elevator trunks are to be protected by “A” Class divisions. Stairways are to be constructed of steel or equivalent material.

9.3

Stairways and elevator trunks which penetrate more than a single deck are to be surrounded by “A”

Class divisions and protected by “A” Class self-closing doors at all levels. Self-closing doors are not

to be fitted with hold-back hooks. However, hold-back arrangements incorporating remote release

fittings of fail safe type may be used.





11 Non-Combustible Materials

11.1

Ceilings, linings, bulkheads and insulation except for insulation in refrigerated compartments are to beof non-combustible material. Vapor barriers and adhesives used in conjunction with the insulation, as

well as insulation of pipe fittings for cold service systems need not be non-combustible, but they

should be kept to a minimum and their exposed surfaces are to have resistance to propagation of

flame.

11.3

Partial bulkheads or decks used to subdivide a space for utility or artistic treatment are also to be of

non-combustible materials.

11.5

The framing, including grounds and the joint pieces of bulkheads, linings, ceilings and draft stops areto be of non-combustible materials.

11.7

Each accommodation space/public space on board vessels with no overnight accommodations is to be

designed with a maximum fire load not to exceed 14.6 kg/m2 (3 lbs/ft2).

11.9

For those vessels designed with onboard overnight accommodations, the maximum fire load is not toexceed 48.8 kg/m2 (10 lbs/ft2). This is to provide for 36.6 kg/m2 (7.5 lbs/ft2) for combustible furniture

and 12.2 kg/m2 (2.5 lbs/ft2) for personal effects.

13 Exposed Surfaces, Deck Coverings, and Paints, Varnishes

and Other Finishes

13.1

The following surfaces are to have low flame-spread characteristics.

" All exposed surfaces in corridors and stairway enclosures, and of bulkheads, wall and ceiling

linings in all accommodation and service spaces and control stations.

13.3

The bulkheads, linings and ceilings may have combustible veneers provided that the thickness of such

veneers does not exceed 2 mm (0.08 in.) within any space other than corridors, stairway enclosures

and control stations where the thickness is not to exceed 1.5 mm (0.06 in.). Note these veneers are to

be included in the fire load calculations discussed above.

13.5

Paints, varnishes and other finishes used on exposed interior surfaces are not to be of a nature to offer

an undue fire hazard and are not to be capable of producing excessive quantities of smoke or toxic fumes.





15 Details of Construction

In accommodation and service spaces, control stations, corridors and stairways:

(> Air spaces enclosed behind ceilings, paneling or linings are to be suitably divided by close

fitting draught stops not more than 14 m apart.

((> In the vertical direction, such enclosed air spaces, including those behind linings of stairways,

trunks, etc., are to be closed at each deck.

17 Ventilation

17.1

Ducts provided for ventilation of Machinery Spaces of Category A and Galleys are not to pass

through Accommodation and Service Spaces or Control Stations. However, some relaxation from this

requirement will be considered provided that:(> The ducts are constructed of steel and insulated to “A-60” standards throughout the

accommodations, with no openings in the duct work within the accommodation, service or

control spaces.

OR

((> The ducts are constructed of steel and fitted with an automatic fire damper close to the

boundary penetrated and insulated to “A-60” standard from the Machinery Space of Category

A and galleys to a point at least 5 m (16.4 ft) beyond the fire damper, with no openings in the

duct work within the accommodation, service or control spaces.

17.3

Ventilation ducts in general are not to pass through main vertical zone divisions, however, where this

is unavoidable, they are to be equipped with a fail-safe automatic closing fire damper which are also

to be capable of being manually closed from each side of the division. In addition, fail-safe automatic

closing fire dampers with manual operation from within the stairway enclosure (for stairs serving

more than two decks) are to be fitted to all ventilation ducts, serving both the accommodation and

service spaces passing through stairways, where the ducts pierce such enclosures. Ventilation ducts

serving stairway enclosures are to serve no other spaces. Ventilation ducts are not to serve more than

one main vertical zone.

17.5

Where they pass through the Accommodation Spaces or Spaces containing combustible materials, theexhaust ducts from galley ranges are to be constructed of “A” Class divisions. Each exhaust duct is to

be fitted with:

(> A grease trap readily removable for cleaning

((> A fire damper located in the lower end of the duct

(((> Arrangements, operable from within the galley, for shutting off the exhaust fans

(9> Fixed means for extinguishing a fire within the duct

9> And suitable hatches for inspection and cleaning.





17.7

The main inlets and outlets of all ventilation systems are to be capable of being closed from outside

the space being ventilated.

19 Miscellaneous Items

19.1

Where “A” or “B” divisions are penetrated for the passage of electric cables, pipes, trunks, ducts, etc.,

or for girders, beams or other structural members, arrangements are to be made to ensure that the fire

resistance is not impaired.

19.3

Pipes penetrating “A” or “B” Class divisions are to be of approved materials having regard to the

temperature such divisions are required to withstand.

19.5

In spaces where the penetration of oil products is possible, the surface of insulation is to be impervious

to oil or oil vapors.

19.7

All waste receptacles are to be constructed of non-combustible materials with no openings in sides or

bottoms.

21 Means of Escape

21.1

Stairways and ladders are to be arranged to provide ready means of escape to an area of safe refuge.

21.3

There are to be at least two means of escape from each main vertical zone and from each restricted

space of 27.5 m2 or more in enclosed area.

21.5

In general there are to be at least two means of escape from each Machinery Space of Category A.However, in ships of less than 1,000 tons gross tonnage one means of escape may be dispensed with,

provided due regard is paid to the width and disposition of the space, and the number of persons

normally employed.

21.7

The installation of dead end corridors of any length is not permitted.

21.9

Elevators are not to be considered as forming one of the required means of escape.





21.11

Windows or airport assemblies installed adjacent to weather deck egress routes are to have 1/4 inch

thick wire inserted glass mounted in substantial metal frames.

21.13

Stairways are to be sized in accordance with recognized national or international standards, but are to

have a minimum tread width of 112 cm (44 in.).

23 Fire Control Plans

A fire control plan is to be permanently exhibited for the guidance of the vessel’s officers as required

by 4-4-1/25.19.



ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS . 007 15$

! A R T C ' ( ) * + , - . E 0 1 2 ) 3 + 4 *

3C 5 A ! T E R 5 Equipment

CONT)NTS

S)CTION 1 Passenger 3essels 155

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6< A47'8, +29'* (4: C(H>+ S2J+ <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 6-K

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< L2M+ B18P <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<6-K

<- R+71+ B8(* (4: L2M+ R(M*<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 6-K

<D I33+,284 S12* (4: T'+,3(> !,8*+7*2+ A2:<<<<<<<<<<<<<<< 6-K

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3C 5 A ! T E R 5 Equipment

S E C T I 1 Passenger Vessels

1 Anchoring and Mooring Equipment

11 General

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15 )nvironmental Conditions

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17 Calculations and Data

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Part $ Hull Construction and )FuipmentChapter 5 )FuipmentSection 1 Passenger 3essels $-5-1

156 ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS . 007

1J Anchor Weight and Cable Size

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3 Life Saving Appliances

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Part $ Hull Construction and )FuipmentChapter 5 )FuipmentSection 1 Passenger 3essels $-5-1


$J Portable Radio Apparatus

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! A R T C'()*+, -. T+/*0123 T,0(4/ (15 S7,8+9/ D7,012 C;1/*,7<*0;1 = >744

3C > A ! T E R 6 Testing, Trials and Surveys During

Construction : Hull

C&'()'(S

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ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS . 007 1:1

! A R T S + < * 0 ; 1 @ . T ( 1 F ( 1 5 7 4 F ' + ( 5 T 0 2 ' * 1 + / / T + / * 0 1 2


Construction : Hull

S E C T I O N 1 Tank and Bulkhead Tightness

Testing

1 Compartments to be Tested

11 @eneral

Upon completion of work, the following compartments are to be tested.

1 Cargo (an.s

Tanks intended for liquid cargoes !"# to be tested with a head of water to the top of the hatch or

1.22 in (4 ft) above the under side of the deck at side, whichever is greater.

15 &t3er Comartments +ntended for Eiquids

Compartments intended for other liquids are to be tested with a head of water to the top of the

overflow.

17 Ra.es or Pea.s

Rakes of open hopper type barges are to be filled with water to the light waterline, and for all other

types of vessels, dry spaces in the rakes or peaks are to be filled to the top of the headlog.

19 JouKle Lull SacesBetween the rakes or peaks, double bottom and inner skin compartments are to be tested with a head

of water to the deck at side unless 3-6-1/1.5 is applicable.

111 S3ell and Jec.s

Where not subjected to hydrostatic test in accordance with preceding paragraphs, the bottom shell is

to be tested by flooding to the top of the floors or the light waterline, whichever is greater, and the

balance of the shell plating is to be hose tested. This requirement may be modified in the case of

passenger vessels and towboats. Decks and hatches which are intended to be weathertight, all

watertight bulkheads and the shell plating in rakes not otherwise tested, are to be subjected to a hose

test. Any alternative proposal no less effective may be submitted for consideration.



Part Lull Construction and )quimentC3ater : (estingN (rials and Surveys Juring Construction O LullSection 1 (an.N 0ul.3ead and Rudder (ig3tness (esting O:O1

1:2 ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS . 007

3 Testing Details to be Introduced

1 Lydrostatic (esting

Tanks are to be tested with a head of water to the point indicated in 3-6-1/1 for respective

compartments. This may be carried out before or after the vessel is launched, Special coatings may

be applied before hydrostatic testing provided all welding at joints and penetrations is visually

examined to the satisfaction of the Surveyor before special coating is applied.

Lose (esting

Hose testing is to be carried out under simultaneous inspection of both sides of the joint. The pressure

in the hose is not to be less than 2.1 kg/cm2 (30 psi).

5 Air (esting

Air testing or air testing in association with partial flooding will be accepted in lieu of the foregoingtests. In such cases the builders are to submit complete particulars of the method proposed to be

followed and the means to he adopted for the control of the air pressure.

Air-pressure drop testing (i.e., checking for leaks by monitoring drop in pressure) is not an acceptable

substitute for required hydrostatic or air/soap testing.



ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS 2 INTRACOASTAL WATERWAYS . 007 1:5

! A R T S + < * 0 ; 1 . S 7 , 8 + 9 /


Construction : Hull

S E C T I O N 3 Surveys

1 Construction Welding and Fabrication

For surveys of hull construction welding and fabrication, refer to Section 3-2-6 of these Rules and the

ABS %&'(# )*" +*,(#-."&/.'0# 1,-2#/.'*, *) 3&44 5#4(-.

3 Hull Castings and Forgings

For surveys in connection with the manufacture and testing of hull castings and forgings, refer to

Chapter 1 of the ABS 6&4#- )*" 7!.#"'!4- !,( 5#4(',8 9:!". ;<.

5 Machinery, Pumps and Piping Systems

For surveys in connection with the manufacture and testing of hull piping, refer to Part 4, Chapter 3.




P A R T P a r t 4 * V e s s e l S y s t e m s a n d M a c h i n e r y

4Vessel Systems and Machinery

CONTENTS

CHAPTER 1 Classification of Machinery...............................................169

Section 1 General .................................................................171

CHAPTER 2 Propulsion and Maneuvering Machinery......................... 177

Section 1 Propulsion Shafting...............................................179

Section 2 Propellers..............................................................183

Section 3 Steering Gears......................................................187

CHAPTER 3 Pumps and Piping Systems.............................................. 197

Section 1 General .................................................................203

Section 2 Piping, Valves and Fittings ...................................209

Section 3 Bilge and Ballast Systems and Tanks ..................233

Section 4 Fuel Oil and Lubricating Oil Systemsand Tanks .............................................................239

Section 5 Internal Combustion Engine Systems...................243

Section 6 Cargo Systems .....................................................245

Section 7 Cargo Transfer Systems for DangerousChemical Cargoes ................................................249

Section 8 Other Piping Systems and Tanks .........................257

CHAPTER 4 Fire Extinguishing Systems and Equipment ................... 261

Section 1 All Vessels ............................................................263

CHAPTER 5 Electrical Installations ....................................................... 279

Section 1 General .................................................................287

Section 2 Shipboard Systems...............................................297

Section 3 Shipboard Installation ...........................................313

Section 4 Machinery and Equipment....................................337

Section 5 Specialized Installations .......................................369

Section 6 Specialized Vessels and Services........................389



T#$% &'() I+,)+,$-+'../ L)1, B.'+3




P A R T C h a p t e r 1 * G e n e r a l


CONTENTS

SECTION 1 Classification of Machinery...............................................171

1 General ..............................................................................171

1.1 Gross Tonnage ............................................................. 171

3 Certification of Machinery ..................................................171

3.1 Basic Requirements...................................................... 171

3.3 Type Approval Program ................................................ 172

3.5 Non-mass Produced Machinery.................................... 172

3.7 Details of Certification of Some RepresentativeProducts........................................................................ 172

5 Machinery Plans and Data.................................................173

5.1 Details ........................................................................... 173

5.3 Plans ............................................................................. 173

7 Oil Fuel Unit .......................................................................173

9 Machinery Space Ventilation .............................................173

11 Boilers and Pressure Vessels............................................173

13 Turbines, Engines and Reduction Gears...........................173

15 Engine Installation Particulars ...........................................174

15.1 Tank Barges.................................................................. 174

15.3 Engine Exhausts on Tank Barges................................. 174

17 Starting Arrangements for Propulsion Engines .................174

17.1 Starting Air System ....................................................... 174

17.3 Starting Batteries........................................................... 175

17.5 Hydraulic Starting.......................................................... 175

19 Trial ....................................................................................175

19.1 General ......................................................................... 175

19.3 Steering Gear................................................................ 175

19.5 Reduction Gears for Propulsion .................................... 175

21 Materials Containing Asbestos ..........................................176

23 Units...................................................................................176

25 Ambient Temperature ........................................................176

TABLE 1 Ambient Temperatures ............................................176



T#$% &'() I+,)+,$-+'../ L)1, B.'+3




P A R T S e c t i o n 1 * C l a s s i f i c a t i o n o f M a c h i n e r y


S E C T I O N 1 Classification of Machinery

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1.1 Gross Tonnage

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3.1 Basic Requirements

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Part 4 Vessel Systems and MachineryChapter 1 GeneralSection 1 Classification of Machinery 4-1-1


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3.7 Details of Certification of Some Representative Products

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5 Machinery Plans and Data

5.1 Details

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5.3 Plans

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7 Oil Fuel Unit

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9 Machinery Space Ventilation

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11 Boilers and Pressure Vessels

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13 Turbines, Engines and Reduction Gears

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15 Engine Installation Particulars

15.1 Tank Barges

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15.3 Engine Exhausts on Tank Barges

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17 Starting Arrangements for Propulsion Engines

17.1 Starting Air System

17.1.1 Compressors

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17.1.2 Containers (1996)

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Single Propeller Vessels Multiple Propeller Vessels

Engine Type One engine coupled

to shaft directlyor through

reduction gear

Two or more engines

coupled to shaft through clutch and

reduction gear

One engine coupled

to each shaft directlyor through

reduction gear

Two or more engines

coupled to each shaft through clutch

and reduction gear

R)6)5%$>.) 72 7H 7H 7H

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17.3 Starting Batteries

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17.5 Hydraulic Starting

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19 Trial

19.1 General

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19.3 Steering Gear

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21 Materials Containing Asbestos !"##&%

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23 Units

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EkS +$,% S <%,-?'5/ +$,%X

25 Ambient Temperature !"##'%

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TABLE 1Ambient Temperatures !"##'%

Location Range of Temperature

+<.-%); %4'<)% 78 2X 0 ,- U_fCA$5

4)+ ;)<3 7X j2_ ,- U_fC

Temperature

S)'D',)5 2fC

Notes:

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! " # $ & ' ( ) * + , - . ! , / ) 0 1 2 3 / 4 ( 4 5 6 ( 4 + 0 7 + , 3 4 8 6 ( 9 ' 3 4 + , :

4& ; " ! $ < # 2 Propulsion and Maneuvering

Machinery

C%&'(&'S

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= >+4+,(1 =LB

B 6(*+,3(12 (45 $+2*348=LB

B= !,/)+11+, 6(*+,3(1 =LB

BB D*05 6(*+,3(1 =LB




J K1(5+ H+2384=LB

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JB K1(5+O,//* P311+*2 =LJ

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JA K1(5+ $'39U4+22 (* T*'+, #(533 =LJ

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== W+:=LV

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==A $,3(12 =LL

B D*++,348 >+(,2 E/, !(22+48+, Y+22+12 T7+, =MM >,/22$/42 /, &(,,:348 6/,+ *'(4 =JM !(22+48+,2=LA

B= >+4+,(1=LA

BB !1(42 =LA

BJ D*++,348O8+(, !,/*+9*3/4=LA

B@ !/Q+,O5,37+4 D*++,348 >+(, =LA

BA 6+9'(439(1 &/I)/4+4*2=LA

B== !/Q+, Z43*2 =AM

B=B 6+9'(439(1 D*++,348 =AM

B=J 6(*+,3(1=AM

B=@ $,(42E+,=A=

B=A !/Q+,O8+(, D*/)2=A=

B-= #055+, "9*0(*/,2 =A=

B-B !3)348 ",,(48+I+4*=A=

B-J &/4*,/12=A-

B-@ N42*,0I+4*(*3/4 (45 "1(,I2=AB

B-A <1+9*,39(1 &/I)/4+4*2 =A[

BB= T)+,(*348 N42*,09*3/42 =A[

BBB $,3(12 =AJ




! " # $ D + 9 * 3 / 4 = . ! , / ) 0 1 2 3 / 4 D ' ( E * 3 4 8


Machinery

D < & $ N T R 1 Propulsion Shafting

1 General

Propellers and propulsion shafting for self-propelled vessels are to be designed, constructed and tested

in accordance with the requirements of this Section. Before proceeding with the construction, prints of

the propeller and shafting plans giving design data and material characteristics are to be submitted.

The construction of propellers and shafts on vessels exhibiting special design features may be carried

out in accordance with other applicable ABS Rules or Guides.

3 Line Shaft, Tail Shaft, Tube Shaft and Thrust Shaft

Diameters

For vessels 47.5 m (150 ft) in length and under, the shafting is to comply with the applicable

requirements of the ABS Rules for Building and Classing Steel Vessels Under 90 m (295 ft) in Length.

For vessels greater than 47.5 m (150 ft) in length, the least diameter of shafting is to be determined


D = 3 / R KH

where

D = diameter of shaft, mm (in.)

K = as defined in the table below:

MKS Units US Units

Line shafts 39.5 * 106/(U + 16) 3480/(U + 22.8)

Thrust shafts 59.3 * 106/(U + 16) 5225/(U + 22.8)

Tail shafts 1.314 * 106 81.24

Tube shafts 1.202 * 106 74.34

H = horsepower at rated speed

R = shaft revolutions per minute at rated speed

U = ultimate tensile strength of the shaft material, kg/mm2 (ksi). For tensile strengthgreater than 80 kg/mm2 (115 ksi), U equal to 80 kg/mm2 (115 ksi) is to be used.



Part Mac4inery and SystemsC4a.ter 2 Pro.ulsion and Maneuvering Mac4inerySection 1 Pro.ulsion S4afting G2G1


Notes

1 When a material other than Grade 2 steel forging is used for tail shafts, the Owners of the vessel are to be notifiedif weld repair of the shaft may be difficult. Material for shafting is to be tested in the presence of a Surveyor. In

general, material with elongation less than 16% in 50 mm (2 in.) is not to be used for shafting, couplings or coupling bolts.

2 For dimension of coupling bolts, see 4-2-1/17.

3 The thickness of line shaft coupling flanges is not to be less than the minimum required diameter of the coupling bolts, and the fillet radius at the base of the flange is not to be less than one-eighth of the actual shaft diameter. For couplings other than flanged couplings integral with the shaft, the shaft diameter in way of fitted coupling

members is not to be less than 1.1 times the minimum required line shaft diameter.

4 The thrust shaft diameter is to be determined at the bottom of the collar when it transmits torque.

5 When shafting is exposed to sea water, the diameter is to be increased by 2.5%.

5 Line Shaft Bearing Location

The location and spacing of line shaft bearings are to take into consideration the effect of these

arrangements on the low-speed gear elements, and the natural frequency of the propulsion shafting.

7 Tail Shaft Inboard End

The inboard end of a tail shaft may be tapered at the coupling to not less than 1.09 times the minimum

required line shaft diameter. Abrupt changes in shaft diameters at the coupling between tail shaft and

line shaft are to be avoided. The thickness of the tail shaft coupling flange is not to be less than the

minimum required diameter of the coupling bolts. The fillet radius at the base of the flange is not to

be less than one-eighth of the shaft diameter. Special consideration will be given to fillets of multiple-

radii design.

9 Tail Shaft Propeller-end Design

Tail shafts are to be provided with an accurate taper fit in the propeller hub, particular attention being

given to the fit at the large end of the taper. Means are to be provided for sealing the shaft taper in

way of the propeller assembly against saltwater in accordance with 4-2-2/13 as follows:

91 Pro.eller IorJard (nd

Where exposed to saltwater, the propeller assembly is to be sealed at the forward end with a

well-fitted soft-rubber packing ring and

93 Pro.eller Aft (nd

Where exposed to saltwater, a fairwater cap filled with suitable sealing material or equivalent sealing

arrangement is to be provided at the aft end of the propeller.

95 &onGcorrosive &onG.itting Alloys

For vessels under 45.7 m (150 ft) in length, the sealing in 4-2-1/9.1 and 4-2-1/9.3 is not required

where the tail shaft is fabricated of corrosion resistant pitting-resistant alloy unless required by the

manufacturer.

The key is to fit tightly in the keyway and be of sufficient size to transmit the full torque of the shaft,

but it is not to extend into the liner counterbore on the forward side of the propeller hub. The forward

end of the keyway is to be so cut in the shaft as to give a gradual rise from the bottom of the keyway

to the surface of the shaft. Ample fillets are to be provided in the corners of the keyway and, in general,stress concentrations are to be reduced as far as practicable.





11 Propeller-End Bearings

1191 WaterGNuOricated earings

The length of the bearing next to and supporting the propeller is not to be less than four times therequired tail shaft diameter, except that the length of metal bearings will be subject to special

consideration.

1193 %ilGNuOricated earings

The length of white-metal-lined, oil-lubricated propeller-end bearings fitted with an approved oil-seal

gland is to be on the order of two times the required tail shaft diameter. Oil-lubricated cast-iron and

bronze bearings will be subject to special consideration.

13 Tail Shaft Liners

1391 '4icQness at earings

=B== K,/4\+ C34+, (2009)

The thickness of bronze liners to be fitted to tail shafts or tube shafts is not to be less than that

given by the following equation:

t = T /25 + 5.1 mm t = T /25 + 0.2 in.

where

t = thickness of liner, in mm (in.)

T = required diameter of tail shaft, in mm (in.)

=B=- D*(341+22 D*++1 C34+, (2009)

The thickness of stainless steel liners to be fitted to tail shafts or tube shafts is not to be less

than one-half that required for bronze liners or 6.5 mm (0.25 in.), whichever is greater.

1393 '4icQness etJeen earings

The thickness of a continuous bronze liner between bearings is to be not less than three-fourths of the

thickness t determined by the foregoing equation.

1395 Continuous Iitted Niners

Continuous fitted liners are to be in one piece or, if made of two or more lengths, the joining of theseparate pieces is to be done by an approved method of fusion through not less than two-thirds the

thickness of the liner or by an approved rubber seal.

1397 Iit etJeen earings

If the liner does not fit the shaft tightly between the bearing portions, the space between the shaft and

liner is to be filled by pressure with an insoluble non-corrosive compound.

139 Material and Iit

Fitted liners are to be of a high-grade composition, bronze or other approved alloy, free from porosityand other defects, and are to prove tight under hydrostatic test of 1.0 bar (1 kgf/cm2, 15 psi). All liners

are to be carefully shrunk or forced upon the shaft by pressure and they are not to be secured by pins.





13911 AfterGend Seal

Effective means are to be provided to prevent sea water having access to the shaft at the part between

the after end of the liner and the propeller hub

13913 ?lass Reinforced Plastic Coating

Glass reinforced plastic coatings may be fitted on propulsion shafting when applied by an approved

procedure to the satisfaction of the Surveyor. Such coatings are to consist of at least four plies of

cross-woven glass tape impregnated with resin, or an equivalent process. In all cases where reinforced

plastic coatings are employed, effective means are to be provided to prevent water having access to

the shaft. Provisions are to be made for overlapping and adequately bonding the coating to fitted or

clad liners.

13915 Stainless Steel Cladding (2009)

Stainless steel cladding of shafts is to be carried out in accordance with an approved procedure. See

Appendix 7-A-11, “Guide for Repair and Cladding of Shafts” of the Rules for Survey After Construction(Part 7).

15 Hollow Shafts

The proportions of hollow shafts are to be such that their strength will be equivalent to that required

by the equations for the corresponding solid shafts.

17 Coupling Bolts

The minimum diameter of the shaft coupling bolts is to be determined by the following equation:

d = 0.57 Nr

D3

where

d = diameter of bolts at joint, in mm (in.)

D = required diameter of shaft, in mm (in.), as defined 4-2-1/3, using mechanical

properties of coupling bolt material

N = number of bolts fitted in one coupling

r = radius of the pitch circle, in mm (in.)

Coupling bolts are to be accurately fitted and where couplings are separate from the shaft, provision isto be made to resist the astern pull.




! " # $ D + 9 * 3 / 4 - . ! , / ) + 1 1 + , 2


Machinery

D < & $ N T R 2 Propellers

1 General

Propellers and propulsion shafting for self-propelled vessels are to be designed, constructed and tested

in accordance with the requirements of this Section. Before proceeding with the construction, prints of

the propeller and shafting plans giving design data and material characteristics are to be submitted.

The construction of propellers and shafts on vessels exhibiting special design features may be carried

out in accordance with other applicable ABS Rules or Guides.

3 Materials and Testing

391 Pro.eller Material

The material of the propellers is to be tested in the presence of and inspected by a Surveyor in

accordance with the requirements of Chapter 3 of the ABS Rules for Materials and Welding (Part 2)or to other requirements which have been approved by the Committee. The finished and assembled

propellers are to be inspected by the Surveyor.

393 Stud Material

The material of the studs securing detachable blades to the hub is to be of Grade 2 steel or equally

satisfactory material and is to be tested in the presence of and inspected by the Surveyor in accordance

with the requirements of 2-3-7/7 of the ABS Rules for Materials and Welding (Part 2).

5 Blade Design

591 lade '4icQness

Where the propeller blades are of conventional design, the thickness of the blades is not to be less

than determined by the following equations:

J== P3]+5O!3*9' !,/)+11+,2

C

BK

CRN

AH K t

72.1125.0 <= mm (in.)



Part Mac4inery and SystemsC4a.ter 2 Pro.ulsion and Maneuvering Mac4inerySection 2 Pro.ellers G2G2


where

K 1 = 915 (41)

A = 1.0 + (6.0/ P 0.70) + 4.3 P 0.25

B = (4300wa/ N ) ( R/100)2 ( D/20)3

C = (1 + 1.5 P 0.25) (Wf B)

t 0.25 = required thickness at the one-quarter radius, in mm (in.)

H = hp at rated speed

R = rpm at rated speed

N = number of blades

P 0.25 = pitch at one-quarter radius divided by propeller diameter

P 0.7 = pitch at seven-tenths radius divided by propeller diameter, correspondingto the design ahead conditions

W = expanded width of a cylindrical section at the 0.25 radius, in mm (in.)

a = expanded blade area divided by the disc area

D = propeller diameter, in m (ft)

K = rake of propeller blade, in mm/m (in/ft), multiplied by D/2 (with forward

rake, use minus sign in equation; with aft rake, use plus sign)

f , w = material constants from the following table:

SI and MKS Units US Customary UnitsType

Representative Propeller MaterialsOSee Chapter 3 of the ABS Rules for Materials

and Welding (Part 2) Q f w f w

2 Manganese bronze 2.10 8.30 68 0.30

3 Nickel-manganese bronze 2.13 8.00 69 0.29

4 Nickel-aluminum bronze 2.62 7.50 85 0.27

5 Mn-Ni-Al bronze 2.37 7.50 77 0.27

Cast iron 0.66 7.20 25 0.26

Cast steel 2.10 8.30 68 0.30

CF-3 Austenitic stainless steel 2.10 7.75 68 0.28

Notes

1 For propellers of unusual design, material, or application, the blade thickness will be speciallyconsidered.

2 For vessels below 30 m (100 ft) in length with multiple shafts, and all vessels below 20 m (65 ft)

in length, consideration will be given to the acceptance of propeller designs on the basis of areview of the manufacturer’s design parameters and guarantee of physical properties andsuitability for the intended service.

J=- &/4*,/11(G1+O!3*9' !,/)+11+,2

C

BK

CRN

AH K t

09.1235.0 <= mm (in.)

where

K 2 = 735 (32.8)

A = 1.0 + (6.0/ P 0.7

) + 3 P 0.35

B = (4900wa/ N ) ( R/100)2 ( D/20)3





C = (1 + 0.6 P 0.35) (Wf – B)

t 0.35 = required thickness at the 0.35 radius, in mm (in.)

P 0.35 = pitch at 0.35 radius divided by propeller diameter, corresponding to the

design ahead conditions

W = expanded width of a cylindrical section at the 0.35 radius, in mm (in.)

H , R, N , P 0.7, a, D, K , f and w are as defined in 4-2-2/5.1.1.

593 ladeGroot Iillets

Fillets at the root of the blades are not to be considered in the determination of blade thickness.

595 uiltGu. lades

The required blade section is not to be reduced in order to provide clearance for nuts. The face of the

flange is to bear on that of the hub in all cases, but the clearance of the spigot in its counterbore or the

edge of the flange in the recess is to be kept to a minimum.

597 'i. '4icQness

The minimum blade thickness, t a, at the tip is to be determined from the following equation where D

is the diameter of the propeller in m (ft):

t a = 6 D mm t a = 0.072 D in.

59 lade '4icQness at %t4er Radii

The blade thickness at any radius is not to be less than given by a straight line relationship between

the thickness found from 4-2-2/5.1 and the tip thickness t a

.

7 Studs

791 Stud Area

s = 0.056W 235.0t f /rn mm2 s = 0.0018W 2

35.0t f /rn in2

where

s = area of one stud at bottom of thread, in mm2 (in2)

n = number of studs on driving side of blade

r = radius of pitch circle of the studs, in mm (in)

t 0.35 = maximum thickness at the 0.25 or 0.35 radius, in mm (in.), from propeller drawing

W and f are as defined in 4-2-2/5.

793 Iit of Studs and &uts

Studs are to be fitted tightly into the hub and provided with effective means for locking. The nuts are

also to have a tight-fitting thread and be secured by stop screws or other effective locking devices.





9 Blade Flange and Mechanisms

The strength of the propeller blade flange and internal mechanisms of controllable-pitch propellers

subjected to the forces from propulsion torque is to be at least 1.5 times that of the blade at design

pitch conditions.

11 Key

The key is to have a true fit in the hub. For shape of keyway in shaft, see 4-2-1/9. Where propellers

are fitted without keys, detailed stress calculations and fitting instructions are to be submitted for

review.

13 Protection Against Corrosion

For vessels engaged primarily in saltwater service, the exposed steel of the shaft is to be protected

from the action of the water by filling all spaces between cap, hub and shaft with a suitable material.

The propeller assembly is to be sealed at the forward end with a well-fitted soft rubber packing ring.

When the rubber ring seal is fitted in an external gland, the hub counterbore is to be filled with

suitable material. Clearances between shaft liner and hub counterbore are to be kept to a minimum.

When the rubber ring is fitted internally, ample clearance is to be provided between liner and hub, and

the ring is to be sufficiently oversize to squeeze into the clearance space when the propeller is driven

up on the shaft. Where necessary, a filler piece is to be fitted in the propeller hub keyway to provide a

flat unbroken seating for the ring. The recess formed at the small end of the taper by the overhanging

propeller hub is to be packed with red lead putty or rust preventive compound before the propeller nut

is put on.




! " # $ D + 9 * 3 / 4 B . D * + + , 3 4 8 > + ( , 2


Machinery

D < & $ N T R 3 Steering Gears

1 Steering Gear Requirements for All Type of Vessels

191 ?eneral

All self-propelled vessels are to be provided with effective means for steering which is to be capable

of putting the rudder from hard over to hard over. In general, power operated steering gears are to be

designed to be capable of putting the rudder from 35 degrees on one side to 35 degrees on the other

side with the vessel running ahead at the maximum continuous rated shaft RPM and at the design

waterline.

Steering gears for passenger vessels which are over 100 gross tons or are intended to carry more than

150 passengers are to be designed, constructed and tested in accordance with 4-2-3/3. Steering gearsfor all other self-propelled vessels are to comply with the following.

193 Plans

Detailed plans and calculations of the steering arrangement are to be submitted for approval.

195 PoJer ?ear Sto.s

Power gears are to be provided with positive arrangements for stopping the gear before the rudder

stops are reached. These arrangements are to be synchronized with the position of the gear itself, such

as from the rudder stock, tiller, or ram rather than by the control system.

197 Strengt4 Requirements

Tillers, quadrants, yokes, steering chains, rods, and cables and all parts of steering gears subject to

load from the rudder are to be of materials tested in accordance with the applicable requirements of

Chapter 1 of the ABS Rules for Materials and Welding (Part 2). In general, steering gears are to be so

proportioned as to have a strength equivalent to that of the required upper rudder stock (see

3-2-4/23.5.1 or 3-2-5/25.5.1 as applicable. Parts in tension or subject to shock (impact) are not to be

of cast iron.



Part Mac4inery and SystemsC4a.ter 2 Pro.ulsion and Maneuvering Mac4inerySection 3 Steering ?ear G2G3


19 Steering C4ains

Steering chains and wire rope are to be of special quality and tested as required by Sections 2-2-1 and

2-2-2 of the ABS Rules for Materials and Welding (Part 2), respectively.

1911 S4eaves

Sheaves are to be of ample size, and so placed as to provide a fair lead to the quadrant and avoid acute

angles. Parts subjected to shock are not to be of cast iron. For sheaves intended to be used with wire

ropes, the radius of the grooves is to equal that of the wire rope plus 0.8 mm ( 1/32 in.) and the sheavediameter is to be determined on the basis of the wire rope flexibility. For 6 * 37 wire rope, the sheave

diameters are to be not less than 18 times that of the wire rope. For wire rope of lesser flexibility, the

sheave diameter is to be increased accordingly. Sheave diameters for chain are to be not less than30 times the chain diameter.

1913 uffers

Steering gears other than hydraulic types are to be designed with suitable buffer arrangements torelieve the gear from shock from the rudder.

1915 Uydraulic Pi.ing for Steering ?ears

A relief valve is to be provided for the protection of the hydraulic system. Pressure piping is to meet

the requirements of Part 4, Chapter 3, except that the mill tests need not be witnessed by the Surveyor.

After fabrication, the piping system or each piping component is to be subjected, in the presence of

the Surveyor, to a hydrostatic test equal to 1.5 times the design working pressure. After installation in

the vessel, the piping is to be tested under working conditions including a check of the relief valve

operation.

1917 (lectrical Parts of Steering ?earsElectrical parts of steering gears are to meet the applicable requirements of Part 4, Chapter 5.

191 'rials

The steering gear is to be tested to demonstrate to the Surveyor’s satisfaction that the requirements of

these Rules have been met. Satisfactory performance is to be demonstrated under the following conditions.

==A= $/QG/(*2 (45 $082

From 35 degrees on either side to 30 degrees on the other side in 20 seconds with vessel moored

to a dock or the river bank and with the main propulsion engines operating at approximately

the full load rack setting.

==A- !(22+48+, Y+22+12 (45 T*'+, D+1EO),/)+11+5 Y+22+12

From 35 degrees on either side to 30 degrees on the other side in not more than 28 seconds

with the vessel running ahead at the maximum continuous rated shaft RPM. For controllable

pitch propellers, the propeller pitch is to be at the maximum design pitch approved for the

above maximum continuous ahead rated RPM. Where a test with the vessel running ahead at

full speed is not practicable, the test for towboats and tugs in 4-2-3/1.19.1 may be used.

Consideration may be given to other means for proving the adequacy of the steering

arrangements and power subject to the satisfaction of the attending Surveyor.





3 Steering Gears for Passenger Vessels Over 100 Gross

Tons or Carrying More than 150 Passengers

391 ?eneralAll passenger vessels which are over 100 gross tons or are intended to carry more than 150 passengers

are to be provided with an approved means of steering. All power-operated steering gears for such

vessels are to be constructed to the satisfaction of and tested in the presence of the Surveyor as

follows:

B== H+2384

i) Capability. The steering gear is to be designed to be capable of:

" Putting the rudder from 35 degrees on one side to 35 degrees on the other side

with the vessel running ahead at the maximum continuous rated shaft RPM and at

the design waterline, and

" Meeting the performance requirements in accordance with 4-2-3/3.33.1. In this

respect, any approval is to be understood as being subject to compliance with

4-2-3/3.33.1.

B=- D)+93(1 D*++,348

Vessels having cycloidal, azimuthing or similar type propulsion systems in which the steering

is effected by changing the direction of the propulsion thrust are to comply with the

provisions in Section 4-3-5 of the Steel Vessel Rules.

B=B D3481+ P(310,+ (1996)

The steering gear system is to be designed so that after a single failure in its piping system,one of the power units or mechanical connections to the power units the defect can be isolated

so that the integrity of the remaining part of the system will not be impaired and the steering

capability can be maintained or speedily regained.

393 Plans

Detailed plans of the steering arrangement, including machinery, controls, instrumentation, power

supplies, piping systems, and pressure cylinders are to be submitted for approval. See 4-1-1/5.3.

The rated torque of the unit is to be indicated in the data submitted for review.

395 SteeringGgear Protection

The steering gear is to be protected from the weather. Steering gear compartments are to be readily

accessible. Handrails and gratings or other non-slip surfaces are to be provided in way of steering gear

machinery and controls.

397 PoJerGdriven Steering ?ear

The steering gear is to be power-operated if the required upper stock diameter is 120 mm (4.7 in.) or

greater. Refer to 3-2-5/25.5.1.

39 Mec4anical Com.onents

All steering gear parts transmitting force to or from the rudder, such as tillers, quadrants, rams, pins,

tie rods and keys are to be proportioned as to have strength equivalent to that of the upper rudder stock required by 3-2-5/25.5.1.





3911 PoJer Vnits

B=== H+E343*3/42

For purposes of the Rules, a steering gear power unit is:

i) Electric Steering Gear. An electric motor and its associated electrical equipment.

ii) Electro-hydraulic Steering Gear. An electric motor and its associated electrical

equipment and connected pump or pumps.

iii) ther Hydraulic Steering Gear. A driving engine and connected pump or pumps.

B==- &/I)/23*3/4

The steering gear is to be comprised of two or more identical power units and is to be capable

of operating the rudder as required by 4-2-3/3.33.1 while operating with one or more of the

power units. Mechanical connections to the power unit are to be of substantial construction.

The steering gear is to be arranged so that a single failure in one of the power units or

mechanical connections to the power units will not impair the integrity of the remaining partof the steering gear. See 4-2-3/3.1.3.

B==B $+2*348

A prototype of each new design power unit pump is to be shop tested for a duration of not less

than 100 hours. The testing is to be carried out in accordance with an approved agenda and is

to include the following as a minimum:

i) The pump and stroke control (or directional control valve) is to be operated continuously

from full flow and relief valve pressure in one direction through idle to full flow and

relief valve pressure in the opposite direction.

ii) Pump suction conditions are to simulate lowest anticipated suction head. The power unit is to be checked for abnormal heating, excessive vibration, or other irregularities.

Following the test, the power unit pump is to be disassembled and inspected in the

presence of a Surveyor.

3913 Mec4anical Steering

Steel-wire rope, chain and other mechanical steering systems are to comply with 4-2-3/1.9, 4-2-3/1.11

and 4-2-3/1.13.

3915 Material

B=J= >+4+,(1

All parts of steering gears transmitting a force to the rudder and pressure retaining components

of hydraulic rudder actuators are to be of steel or other approved ductile material. The use of

gray cast iron or other material having an elongation less than 12% in 50 mm (2 in.) is not

acceptable.

B=J- 6(*+,3(1 $+2* "**+45(49+

Except as modified below, materials for the parts and components mentioned in 4-2-3/3.15.1

are to be tested in the presence of the Surveyor in accordance with the requirements of

Chapter 3 of the ABS Rules for Materials and Welding (Part 2). See also 4-2-3/3.23.2.

Material tests for steering gear coupling bolts and torque transmitting keys need not be

witnessed by the Surveyor. For upper rudder stock keys, see 3-2-5/25.1.





Material tests for forged, welded or seamless steel parts (including the internal components)

of rudder actuators that are not more than 150 mm (6 in.) in internal diameter need not be

carried out in the presence of the Surveyor. Such parts are to comply with the requirements of

Chapter 3 of the ABS Rules for Materials and Welding (Part 2) or such other appropriate

material specifications as may be approved in connection with a particular design, and may beaccepted on the basis of a review of mill certificates by the Surveyor.

3917 'ransfer

An effective means of rapid transfer between power units is to be provided. Such transfer arrangements

are also to include the capability to initiate the transfer process manually (i.e., non-automatic) from

the navigation bridge.

391 PoJerGgear Sto.s

Power gears are to be provided with stops in accordance with 4-2-3/1.5.

3921 Rudder Actuators

B-== >+4+,(1

Hydraulic cylinders and housings of vane-type steering gears are to meet the requirements of

4-2-3/3.15 for material and material tests, and also 2-4-2/1 of the ABS Rules for Materialsand Welding (Part 2) for welding, 4-4-1A1/3.1 (Equation No. 2), 4-4-1A1/5, 4-4-1A1/7 of the

Steel Vessel Rules for design, and 4-4-1A1/21 of the Steel Vessel Rules for hydrostatic tests.

For cylinders, see also 4-3-4/1.11 of the Steel Vessel Rules for plans.

B-=- R/4O50)139(*+5 #055+, "9*0(*/,2

Regardless of extent of nondestructive testing, casting quality factor is not to exceed 0.85. See

the last note of 4-4-1A1/Table 2 of the Steel Vessel Rules.

B-=B T31 D+(12

Oil seals between non-moving parts forming part of the exterior pressure boundary are to be

of the pressure seal type. Oil seals between moving parts forming the external pressure

boundary are to be fitted in duplicate so that the failure of one seal does not render the actuator

inoperative. Alternative seal arrangements will be considered where they are shown to be

equivalent.

3923 Pi.ing Arrangement

B-B= >+4+,(1

Piping for hydraulic gears is to be arranged so that transfer between units can be readilyeffected. The arrangement is to be such that a single failure in one part of the piping will not

impair the integrity of remaining parts of the system. See 4-2-3/3.1.3. Where necessary,

arrangements for bleeding air from the hydraulic system are to be provided.

B-B- #+X03,+I+4*2

Piping systems are to meet the requirements of 4-3-8/1.3 through 4-3-8/1.15. The design

pressure for steering gear system piping and components subject to internal hydraulic pressure

is to be at least 1.25 times the maximum working pressure to be expected in order to satisfy

the operational conditions specified in 4-2-3/3.33.1.





B-BB Y(17+2 (1996)

In general, valves are to comply with the requirements of 4-3-2/11. Isolating valves are to be

fitted on the pipe connections to the rudder actuator. For vessels with non-duplicated rudder

actuators, the isolating valves are to be directly mounted on the actuator.

B-B[ #+13+E Y(17+2 (1996)

Relief valves are to be provided for the protection of the hydraulic system. Each relief valve is

to be capable of relieving not less than the full flow of all the pumps which can discharge

through it increased by 10%. With this flow condition, the maximum pressure rise is not to

exceed 10% of the relief valve setting. In this regard, consideration is to be given to the

extreme expected ambient conditions in respect to oil viscosity.

The relief valve setting is to be at least 1.25 times the maximum working pressure to be

expected in order to satisfy the operational conditions specified in 4-2-3/3.33.1 but is not to

exceed the design pressure in 4-2-3/3.33.2.

B-BJ P31*,(*3/4A means is to be provided to maintain cleanliness of the hydraulic fluid.

B-BV D*/,(8+ $(4U

A fixed storage tank having sufficient capacity to recharge the complete hydraulic power

system including the power unit reservoirs is to be provided. The tank is to be permanently

connected by piping in such a manner that the system can be readily recharged from a

position within the steering gear compartment. The storage tank is to be provided with an

approved level indicating system in accordance with 4-3-3/9.

B-B@ $+2*348

The following tests are to be performed in the presence of the Surveyor.

3.23.7(a) Shop Tests (2008). After fabrication, each component of the steering gear piping

system, including the power units, hydraulic cylinders and piping, is to be hydrostatically tested

at the plant of manufacture to 1.5 times the relief valve setting.

3.23.7(b) Installation Test. After installation in the vessel, the complete piping system,

including power units, hydraulic cylinders and piping, is to be subjected to a hydrostatic test

equal to 1.1 times the relief valve setting, including a check of the relief-valve operation.

3925 Controls

B-J= >+4+,(1 (1996)

Control system is the equipment by which orders are transmitted from the navigation bridgeto the power units. Control systems comprise transmitters, receivers, hydraulic control pumps

and their associated motors, motor controllers, piping and cables. For the purpose of these

Rules, steering wheels or steering levers are not considered to be part of the control system.

There are to be two independent control systems provided, each of which can be operated

from the navigation bridge. These control systems are to be independent in all respects and

are to provide on the navigation bridge all necessary apparatus and arrangements for the

starting and stopping of steering gear motors and the rapid transfer of steering power and

control between units. Control cables and piping for the independent control systems are to be

separated throughout their length. When the control comprises a hydraulic telemotor, a second

independent control system will not be required. See 4-5-2/11.1 and 4-5-6/9.3.





In addition to the steering gear control systems required above, additional control is to be

provided in the steering gear compartment. These controls if electric are to be supplied from

the steering gear power circuit from a point within the steering gear compartment.

B-J- &/4*,/1 D:2*+I H329/44+9* (1998)

Means are to be provided in the steering gear compartment to disconnect the steering gear

control system from the power circuit when local control is to be used. Such means for

disconnecting are to be operable by one person without the need for tools. Additionally, if

more than one steering station is provided, a selector switch is to disconnect completely all

stations, except the one in use.

B-JB &/II0439(*3/42

A means of communication is to be provided in accordance with 4-5-6/9.7.

3927 *nstrumentation and Alarms

The following instruments and alarms are to be provided. The audible and visual alarms required areto be of the self-monitoring type so that a circuit failure will cause an alarm condition and they are to

have provisions for testing.

B-@= #055+, !/23*3/4 N4539(*/,

The angular position of the rudder is to be indicated on the navigation bridge and in the

steering gear compartment. The rudder angle indication is to be independent of the steering

gear control system, and readily visible from the control position.

B-@- !/Q+, P(310,+

A visual and audible alarm is to be given on the navigation bridge and engine room control

station to indicate a power failure to any one of the steering gear power units.

B-@B 6/*/, "1(,I2 (2000)

A visual and audible alarm is to be given on the navigation bridge to indicate an overload

condition of the steering gear power unit motor. Where a three-phase supply is used a visual

and audible alarm is to be supplied which will indicate failure of any one of the supply

phases. The operation of this alarm is not to interrupt the circuit.

B-@[ &/4*,/1 !/Q+, P(310,+


station to indicate an electrical power failure in any steering gear control circuit, or remote

control circuit.

B-@J 6/*/, #044348 N4539(*/,2

Indicators for running indication of motors are to be installed on the navigation bridge and in

the engine room control station.

B-@V C/Q T31O1+7+1 "1(,I


station to indicate a low oil level in any power unit reservoir.





B-@@ ;:5,(0139 C/9U (2007)

Where the arrangement is such that a single failure may cause hydraulic lock and loss of

steering, an audible and visual hydraulic lock alarm which identifies the failed system or

component is to be provided on the navigation bridge. The alarm is to be activated upon

steering gear failure if:

" Position of the variable displacement pump control system does not correspond to the

given order, or

" Incorrect position of 3-way full flow valve or similar in constant delivery pump system is

detected.

Alternatively, for follow-up control systems, an independent steering failure alarm complying

with the following requirements may be provided in lieu of a hydraulic lock alarm:

i) The steering failure alarm system is to actuate an audible and visible alarm in the

wheelhouse when the actual position of the rudder differs by more than 5 degrees

from the rudder position ordered by the follow-up control systems for more than:

30 seconds for ordered rudder position changes of 70 degrees;

6.5 seconds for ordered rudder position changes of 5 degrees; and

The time period calculated by the following formula for ordered rudder positions

changes between 5 degrees and 70 degrees:

t = ( R/2.76)+4.64

where:

t = maximum time delay in seconds

R = ordered rudder change in degrees

ii) The steering failure alarm system must be separate from, and independent of, eachsteering gear control system, except for input received from the steering wheel shaft.

iii) Each steering failure alarm system is to be supplied by a circuit that:

a. is independent of other steering gear system and steering alarm circuits.

b. is fed from the emergency power source through the emergency distribution

panel in the wheelhouse, if installed; and

c. has no overcurrent protection except short circuit protection.

B-@L "0*/)31/* T7+,,35+ (1999)

Steering gear control systems capable of operation in the autopilot mode are to be provided

with the means to automatically disengage the autopilot controls when an effort is made to

manually steer the vessel from the main steering station at the navigation bridge. Additionally,

an audible and visual alarm is to be provided at the navigation bridge in the event the override

mechanism fails to respond within a preset period.

392 (lectrical Com.onents (1996) Electrical components of the steering gear are to meet the applicable requirements of Part 4, Chapter 5.

The steering gear electrical circuit is to comply with 4-5-2/11.

3931 %.erating *nstructions

Appropriate operating instructions with a block diagram showing the changeover procedures for steering gear control systems and steering gear power units are to be permanently displayed on thenavigation bridge and in the steering gear compartment.





3933 'rials

The steering gear is to be tried out on the trial trip in order to demonstrate to the Surveyor’s satisfaction

that the requirements of these Rules have been met. The trial is to include the operation of the

following:

BBB=

The steering gear, including demonstration of the performance requirements as shown below

with the rudder fully submerged. Where full rudder submergence cannot be obtained in ballast

conditions, special considerations may be given to specified trials with less than full rudder

submergence. Satisfactory performance is to be demonstrated under the following conditions.

3.33.1(a) Full Speed Trial. From 35 degrees on either side to 30 degrees on the other side in

not more than 28 seconds with the vessel running ahead at the maximum continuous rated

shaft RPM. For controllable pitch propellers, the propeller pitch is to be at the maximum

design pitch approved for the above maximum continuous ahead rated RPM. This test is to be

met with one of the power units in reserve.

3.33.1(b) Half Speed Trial. From 15 degrees on either side to 15 degrees on the other side in

not more than 60 seconds while running at one-half of the maximum ahead speed or 7 knots,

whichever is the greater. This test is to be conducted with one of the power units in reserve.

This test may be waived where the steering gear consists of two identical power units with

each capable of meeting the requirements in 4-2-3/3.33.1 above.

Where three or more power units are provided, the test procedures are to be specially considered

on basis of the specifically approved operating arrangements of the steering gear system.

BBB-

The power units, including transfer between power units.

BBBB

The emergency power supply required by 4-5-6/9.3.

BBB[

The steering gear controls, including transfer of control, and local control.

BBBJ

The means of communications between the navigation bridge, engine room, and the steering

gear compartment.

BBBV

The alarms and indicators required by 4-2-3/3.27 (test may be done at dockside).

BBB@

The storage and recharging system contained in 4-2-3/3.23.6 (test may be done at dockside).

BBBL

The isolation and automatic starting provisions of 4-2-3/3.1.3 (test may be done at dockside).



ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 197

P A R T C h a p t e r 3 : P u m p s a n d P i p i n g S y s t e m s

$C H A P T E R 3 '()*+ ,-. '/*/-0 S1+2)+

CONTENTS

SECTION 1 General................................................................................203

1 Construction and Installation .............................................203

1.1 General Requirements.................................................. 203

1.3 Piping Groups ............................................................... 203

3 Plans and Data to Be Submitted........................................203

3.1 Plans ............................................................................. 203

3.3 Data .............................................................................. 204

5 Material Tests and Inspection............................................204

5.1 Specifications and Purchase Orders............................. 204

5.3 Special Materials........................................................... 204

7 General Installation Details................................................204

7.1 Protection...................................................................... 204

7.3 Pipes Near Switchboards.............................................. 205

7.5 Expansion or Contraction Stresses............................... 205

7.7 Molded Expansion Joints .............................................. 205

7.9 Bulkhead, Deck or Tank Top Penetrations.................... 206

7.11 Relief Valves ................................................................. 206

7.13 Common Overboard Discharge..................................... 206

7.15 Plastic Piping................................................................. 207

7.17 Standard Thicknesses................................................... 207

7.19 Instruments ................................................................... 207

7.21 Hose.............................................................................. 207

SECTION 2 Piping, Valves and Fittings ...............................................209

1 General ..............................................................................209

3 Pressure Tests...................................................................209

3.1 General ......................................................................... 209

3.3 Fuel Oil Suction and Transfer Lines .............................. 209

3.5 Cargo Oil Piping............................................................ 209

3.7 Hydraulic Power Piping ................................................. 209

3.9 All Piping ....................................................................... 209

5 Metallic Pipes.....................................................................210

5.1 Test and Inspection of Group I Piping........................... 210

5.3 Steel Pipe...................................................................... 210



198 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

5.5 Copper Pipe ..................................................................210

5.7 Brass Pipe.....................................................................210

5.9 Plastic Pipe....................................................................210

5.11 Working Pressure and Thickness of Metallic Pipe.........210

7 Plastic Pipes ......................................................................212 7.1 General..........................................................................212

7.3 Plans and Data to be Submitted....................................212

7.5 Design ...........................................................................213

7.7 Installation of Plastic Pipes............................................216

7.9 Manufacturing of Plastic Pipes ......................................217

7.11 Plastic Pipe Bonding Procedure Qualification ...............218

7.13 Tests by the Manufacturer \ Fire Endurance Testingof Plastic Piping in the Dry Condition(For Level 1 and Level 2)...............................................219

7.15 Test by Manufacturer \ Fire Endurance Testing of Water-filled Plastic Piping (For Level 3).........................220

7.17 Tests by Manufacturer \ Flame Spread ........................222

7.19 Testing By Manufacturer \ General...............................223

7.21 Testing Onboard After Installation.................................223

9 Material of Valves and Fittings...........................................227

9.1 General..........................................................................227

9.3 Forged or Cast Steel .....................................................227

9.5 Cast Iron........................................................................ 227

9.7 Ductile (Nodular) Iron .................................................... 227

9.9 Nonferrous.....................................................................228

9.11 Plastic Compounds ....................................................... 228

11 Valves ................................................................................228

11.1 General..........................................................................228

11.3 Construction ..................................................................228

11.5 Hydrostatic Test and Identification ................................229

13 Pipe Fittings .......................................................................229

13.1 General..........................................................................229

13.3 Hydrostatic Test and Identification ................................229

13.5 Nonstandard Fittings ..................................................... 230

15 Welded Nonstandard Valves and Fittings..........................230

17 Flanges ..............................................................................230

17.1 General..........................................................................230 17.3 Group I Piping Flanges..................................................230

17.5 Group II Piping Flanges.................................................230

19 Sea Chests, Sea Valve and Overboard DischargeConnections .......................................................................231

19.1 General..........................................................................231

19.3 Sea Chests....................................................................231

19.5 Scuppers .......................................................................231

19.7 Sanitary Discharges ......................................................232

21 Cooler Installations External to the Hull.............................232

21.1 General..........................................................................232

21.3 Integral Keel Cooler Installations...................................232

21.5 Non-integral Keel Cooler Installations ...........................232



ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 199

TABLE 1 Allowable Stress Values S for Steel Piping..............212

TABLE 2 Fire Endurance Requirements Matrix for PlasticPipes ........................................................................224

TABLE 3 Standards for Plastic Pipes \ TypicalRequirements for All Systems..................................226

TABLE 4 Standards for Plastic Pipes \ AdditionalRequirements Depending on Serviceand/or Location of Piping .........................................227

FIGURE 1 Fire Endurance Test Burner Assembly....................221

FIGURE 2 Fire Endurance Test Stand with MountedSample.....................................................................221

SECTION 3 Bilge and Ballast Systems and Tanks..............................233

1 Bilge and Ballast Systems for Self-propelled Vessels.......233

1.1 General ......................................................................... 233

1.3 Pumps...........................................................................233

1.5 Bilge and Ballast Piping ................................................ 233

3 Bilge Systems for Self-propelled Passenger Vessels........235

3.1 General ......................................................................... 235

3.3 Bilge Piping System ...................................................... 235

3.5 Bilge Pumps..................................................................236

5 Bilge Systems for Barges ..................................................237

5.1 Unmanned Barges ........................................................ 237

5.3 Manned Barges............................................................. 237

7 Vent, Sounding and Overflow Pipes..................................237 7.1 General ......................................................................... 237

7.3 Size............................................................................... 237

7.5 Termination ................................................................... 237

9 Sounding............................................................................238

9.1 General ......................................................................... 238

9.3 Sounding Pipes............................................................. 238

9.5 Gauge Glasses ............................................................. 238

SECTION 4 Fuel Oil and Lubricating Oil Systems and Tanks............ 239

1 Fuel Oil Transfer, Filling and Service Systems..................239 1.1 General ......................................................................... 239

1.3 Pipes in Oil Tanks ......................................................... 239

1.5 Control Valves or Cocks................................................ 239

1.7 Valves on Oil Tanks ...................................................... 239

1.9 Overflows and Drains.................................................... 240

1.11 Fuel Oil Purifiers............................................................ 240

1.13 Fuel Oil Injection System .............................................. 240

3 Lubricating Oil System.......................................................241

3.1 General ......................................................................... 241

3.3 Oil Filters....................................................................... 241

3.5 Protective Features ....................................................... 241



200 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

SECTION 5 Internal Combustion Engine Systems ............................. 243

1 Cooling Water System .......................................................243

1.1 General..........................................................................243

1.3 Sea Suctions .................................................................243

1.5 Direct Cooling System...................................................243

3 Exhaust Piping...................................................................243

SECTION 6 Cargo Systems................................................................... 245

1 Vessels Carrying Oil in Bulk Having a Flashpoint of 60°C (140°F) or Less .........................................................245

1.1 Cargo Pumps ................................................................245

1.3 Cargo Piping Systems...................................................246

1.5 Other Piping Systems....................................................246

1.7 Venting Systems ........................................................... 246

1.9 Inert Gas System Requirements ...................................247

1.11 Cargo Vapor Emission Control Systems .......................248

3 Cargo-handling Systems....................................................248

3.1 General..........................................................................248

3.3 Dangerous Chemicals ................................................... 248

3.5 Liquefied Gases ............................................................248

3.7 Pressurized Gases ........................................................ 248

3.9 Cargo Oil Piping ............................................................ 248

3.11 Noncombustible Liquids ................................................248

SECTION 7 Cargo Transfer Systems for Dangerous ChemicalCargoes............................................................................... 249

1 General ..............................................................................249

3 Cargo Piping Classification................................................249

3.1 Cargo Piping for Barge Type I .......................................249

3.3 Cargo Piping for Barge Types II and III .........................249

5 Plans and Data to be Submitted........................................249

7 Materials.............................................................................250

7.1 General..........................................................................250

7.3 Service Temperature Below -18°C (0°F) .......................250

9 Venting...............................................................................250 9.1 Open Venting ................................................................250

9.3 Pressure-Vacuum Venting.............................................251

9.5 Safety-Relief Venting.....................................................251

11 Safety-Relief Valves...........................................................251

11.1 Capacity ........................................................................251

11.3 Certification ...................................................................252

11.5 Installation .....................................................................252

11.7 Tests .............................................................................252

13 Pressure Vessels...............................................................253



ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 201

15 Cargo Transfer...................................................................253

15.1 General ......................................................................... 253

15.3 Cargo Pumps ................................................................253

15.5 Pump Wells ................................................................... 253

15.7 Pump Prime Movers...................................................... 253

15.9 Pressure Gauges .......................................................... 253

15.11 Independent Tank Connections .................................... 253

15.13 Piping, Valves and Fittings............................................ 254

15.15 Piping Flexibility Arrangements..................................... 254

15.17 Pipe Joints .................................................................... 254

15.19 Cargo Filling Lines in Tanks.......................................... 255

15.21 Spillage Containment.................................................... 255

15.23 Electrical Bonding ......................................................... 255

17 Protective Housing.............................................................255

19 Electrical ............................................................................255 21 Fire Extinguishing ..............................................................255

23 Salvaging Connections ......................................................255

TABLE 1 Values of C for Use in Calculating Safety-Relief Valve Capacity .........................................................256

SECTION 8 Other Piping Systems and Tanks.....................................257

1 Hydraulic Piping.................................................................257

1.1 Arrangements................................................................ 257

1.3 Valves ........................................................................... 257

1.5 Piping ............................................................................ 257

1.7 Pipe Fittings .................................................................. 257

1.9 Hose.............................................................................. 258

1.11 Accumulators ................................................................ 258

1.13 Fluid Power Cylinders ................................................... 258

1.15 Design Pressure............................................................ 258

1.17 Segregation of High Pressure Hydraulic Units inMachinery Spaces......................................................... 258

3 Liquefied Petroleum Gases ...............................................258

5 Ship Service Ammonia System .........................................259

5.1 Compartmentation......................................................... 259

5.3 Safety Measures ........................................................... 259

5.5 Ammonia Piping............................................................ 259



T#$% &'() I+,)+,$-+'../ L)1, B.'+3



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P A R T S e c t i o n 1 : G e n e r a l

$C H A P T E R 3 '()*+ ,-. '/*/-0 S1+2)+

S E C T I O N 4 G-6,7

4 C9-+26(:2/9- ,-. I-+2,77,2/9-

1.1 General Requirements

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3.1 Plans

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Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 1 General 4-3-1

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3.3 Data

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5.1 Specifications and Purchase Orders

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7.3 Pipes Near Switchboards

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7.9 Bulkhead, Deck or Tank Top Penetrations

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7.11 Relief Valves

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7.13 Common Overboard Discharge

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7.15 Plastic Piping !'(()%

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7.17 Standard Thicknesses

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7.19 Instruments

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3.9 All Piping

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Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 2 Piping, Valves and Fittings 4-3-2

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5.5 Copper Pipe

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5.7 Brass Pipe

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TABLE 1Allowable Stress Values S for Steel Piping N[mm

2(kgf[mm

2, psi)

Service TemperatureLDegrees C (F) Part , Chapter 3,

Section 12Paragraph No. and (Grade)

Nominal Composition Tensile Strength) 9°C ( ) 0°F) to

343°C (650°F) 37°C (700°F) 399°C (750°F) 47°C (800°F)

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7.5.8 Electrical Conductivity

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7.7 Installation of Plastic Pipes

7.7.1 Supports

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7.7.3 Plastic Pipe Connections

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7.7.4 Electrical Conductivity

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7.7.5 Shell Connections

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7.7.7 Application of Fire Protection Coatings

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7.13 Tests by the Manufacturer – Fire Endurance Testing of Plastic Piping in the DryCondition (For Level 1 and Level 2)

7.13.1 Test Method

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A, ,#) )+9 -1 M0 =$+<,)% FF00bC 20F2bK

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i) <6$+( ,#) 1$6%, F0 =$+<,)% -1 ,#) ,)%, 5'6$',$-+ $+ ,#) '6)' <+9)6 ,#) ;<65) -1 =)'+1<6+';) ,)=8)6',<6) $% ,- 7) :$,#$+ <FJ] -1 ,#) '6)' <+9)6 ,#) %,'+9'69 ;<65)>

ii) <6$+( ,#) 1$6%, 0 =$+<,)% -1 ,#) ,)%, 5'6$',$-+ $+ ,#) '6)' <+9)6 ,#) ;<65) -1 =)'+

1<6+';) ,)=8)6',<6) $% ,- 7) :$,#$+ <F0] -1 ,#) '6)' <+9)6 ,#) %,'+9'69 ;<65)>

iii) -6 '+/ 8)6$-9 '1,)6 ,#) 1$6%, 0 =$+<,)% -1 ,#) ,)%, 5'6$',$-+ $+ ,#) '6)' <+9)6 ,#)

;<65) -1 =)'+ 1<6+';) ,)=8)6',<6) $% ,- 7) :$,#$+ <J] -1 ,#) '6)' <+9)6 ,#) %,'+9'69

;<65)>

iv) A, '+/ ,$=) '1,)6 ,#) 1$6%, F0 =$+<,)% -1 ,#) ,)%, ,#) 9$11)6)+;) $+ ,#) =)'+ 1<6+';)

,)=8)6',<6) 16-= ,#) %,'+9'69 ;<65) $% ,- 7) :$,#$+ <F00%C <FO0%K>

7.13.1(c) T#) .-;',$-+% :#)6) ,#) ,)=8)6',<6)% '6) =)'%<6)9 ,#) +<=7)6 -1 ,)=8)6',<6)

=)'%<6)=)+,% '+9 ,#) =)'%<6)=)+, ,);#+$<)% '6) ,- 7) '886-5)9 7/ ,#) B<6)'<>

7.13.2 Test Specimen

7.13.(a) T#) ,)%, %8);$=)+ $% ,- 7) 86)8'6)9 :$,# ,#) [-$+,% '+9 1$,,$+(% $+,)+9)9 1-6 <%) $+

,#) 86-8-%)9 '88.$;',$-+>

7.13.(b) T#) +<=7)6 -1 %8);$=)+% $% ,- 7) %<11$;$)+, ,- ,)%, ,/8$;'. [-$+,% '+9 1$,,$+(%

$+;.<9$+( [-$+,% 7),:))+ +-+U=),'. '+9 =),'. 8$8)% '+9 =),'. 1$,,$+(% ,- 7) <%)9>

7.13.(c) T#) )+9% -1 ,#) %8);$=)+ '6) ,- 7) ;.-%)9> +) -1 ,#) )+9% $% ,- '..-: 86)%%<6$Y)9

+$,6-()+ ,- 7) ;-++);,)9> T#) 8$8) )+9% '+9 ;.-%<6)% ='/ 7) -<,%$9) ,#) 1<6+';)>

7.13.(d) T#) ()+)6'. -6$)+,',$-+ -1 ,#) %8);$=)+ $% ,- 7) #-6$Y-+,'. '+9 $, $% ,- 7) %<88-6,)9

7/ -+) 1$V)9 %<88-6, :$,# ,#) 6)='$+$+( %<88-6,% '..-:$+( 16)) =-5)=)+,> T#) 16)) .)+(,# 7),:))+ %<88-6,% $% +-, ,- 7) .)%% ,#'+ O ,$=)% ,#) 8$8) 9$'=),)6>

7.13.(e) ?-%, =',)6$'.% :$.. 6)<$6) ' ,#)6='. $+%<.',$-+ ,- 8'%% ,#$% ,)%,> T#) ,)%, 86-;)9<6)

$% ,- $+;.<9) ,#) $+%<.',$-+ '+9 $,% ;-5)6$+(>

7.13.(f) I1 ,#) $+%<.',$-+ ;-+,'$+% -6 $% .$'7.) ,- '7%-67 =-$%,<6) ,#) %8);$=)+ $% +-, ,- 7)

,)%,)9 <+,$. ,#) $+%<.',$-+ #'% 6)';#)9 '+ '$6 96/U;-+9$,$-+ 9)1$+)9 '% )<$.$76$<= :$,# '+

'=7$)+, ',=-%8#)6) -1 J0] 6).',$5) #<=$9$,/ ', 20 < J%C MO < %K> A;;).)6',)9 ;-+9$,$-+$+(

$% 8)6=$%%$7.) 86-5$9)9 ,#) =),#-9 9-)% +-, '.,)6 ,#) 86-8)6,$)% -1 ,#) ;-=8-+)+, =',)6$'.>

S8);$'. %'=8.)% '6) ,- 7) <%)9 1-6 =-$%,<6) ;-+,)+, 9),)6=$+',$-+ '+9 ;-+9$,$-+)9 :$,# ,#)

,)%, %8);$=)+> T#)%) %'=8.)% '6) ,- 7) %- ;-+%,6<;,)9 '% ,- 6)86)%)+, ,#) .-%% -1 :',)6 5'8-6

16-= ,#) %8);$=)+ #'5$+( %$=$.'6 ,#$;3+)%% '+9 )V8-%)9 1';)%>




220 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

7.13.3 Test Condition

A +$,6-()+ 86)%%<6) $+%$9) ,#) ,)%, %8);$=)+ $% ,- 7) ='$+,'$+)9 '<,-=',$;'../ ', 0>Q < 0>F 7'6 0>Q < 0>F 3(1\;=2 F0 < F>J 8%$K 9<6$+( ,#) ,)%,> ?)'+% '6) ,- 7) 86-5$9)9 ,- 6);-69 ,#) 86)%%<6)

$+%$9) ,#) 8$8) '+9 ,#) +$,6-()+ 1.-: $+,- '+9 -<, -1 ,#) %8);$=)+ $+ -69)6 ,- $+9$;',) .)'3'()>

7.13.4 Acceptance Criteria

7.13.4(a) <6$+( ,#) ,)%, +- +$,6-()+ .)'3'() 16-= ,#) %'=8.) $% ,- -;;<6>

7.13.4(b) A1,)6 ,)6=$+',$-+ -1 ,#) 1<6+';) ,)%, ,#) ,)%, %8);$=)+ ,-(),#)6 :$,# 1$6) 86-,);,$5)

;-',$+( $1 '+/ $% ,- 7) '..-:)9 ,- ;--. $+ %,$.. '$6 ,- '=7$)+, ,)=8)6',<6) '+9 ,#)+ ,)%,)9 ,-

,#) ='V$=<= '..-:'7.) 86)%%<6) -1 ,#) 8$8)% '% 9)1$+)9 $+ UU2\Q>J>F '+9 UU2\Q>J>2> T#)

86)%%<6) $% ,- 7) #).9 1-6 ' =$+$=<= -1 FJ =$+<,)% :$,#-<, .)'3'()> N#)6) 86';,$;'7.) ,#)

#/96-%,',$; ,)%, $% ,- 7) ;-+9<;,)9 -+ 7'6) 8$8) $>)> ;-5)6$+(% '+9 $+%<.',$-+ 6)=-5)9K %-

,#', '+/ .)'3'() :$.. 7) '88'6)+,>

7.13.4(c) A.,)6+',$5) ,)%, =),#-9% '+9\-6 ,)%, 86-;)9<6)% ;-+%$9)6)9 ,- 7) ', .)'%, )<$5'.)+,

$+;.<9$+( -8)+ 8$, ,)%,$+( =),#-9 ='/ 7) ';;)8,)9 $+ ;'%)% :#)6) ,#) 8$8)% '6) ,-- .'6() 1-6

,#) ,)%, 1<6+';)>

7.15 Test by Manufacturer – Fire Endurance Testing of ater-filled Plastic Piping(For Level 3)

7.15.1 Test Method

7.15.1(a) A 86-8'+) =<.,$8.) 7<6+)6 ,)%, :$,# ' 1'%, ,)=8)6',<6) $+;6)'%) $% ,- 7) <%)9>

7.15.1(b) -6 8$8$+( <8 ,- '+9 $+;.<9$+( FJ2 == M $+>K >> ,#) 1$6) %-<6;) $% ,- ;-+%$%, -1 ,:- 6-:% -1 1$5) 7<6+)6% '% %#-:+ $+ UU2\$(<6) F> A ;-+%,'+, #)', 1.<V '5)6'($+(

FF>M 3N\=2 M000 BT\#6U1,2K < F0] $% ,- 7) ='$+,'$+)9 F2>J < F ;= J < 0> $+>K '7-5)

,#) ;)+,)6.$+) -1 ,#) 7<6+)6 '66'/> T#$% 1.<V ;-66)%8-+9% ,- ' 86)U=$V 1.'=) -1 86-8'+) :$,# '

1<). 1.-: 6',) -1 J 3(\#6 FF .7\#6K 1-6 ' ,-,'. #)', 6).)'%) -1 MJ 3N Q00 BT\=$+>K> T#) ('%;-+%<=8,$-+ $% ,- 7) =)'%<6)9 :$,# '+ ';;<6';/ -1 ', .)'%, <] $+ -69)6 ,- ='$+,'$+ '

;-+%,'+, #)', 1.<V> &6-8'+) :$,# ' =$+$=<= 8<6$,/ -1 J] $% ,- 7) <%)9>

7.15.1(c) -6 8$8$+( (6)',)6 ,#'+ FJ2 == M $+>K >> -+) '99$,$-+'. 6-: -1 7<6+)6% $% ,- 7)$+;.<9)9 1-6 )';# JF == 2 $+>K $+;6)'%) $+ 8$8) 9$'=),)6> A ;-+%,'+, #)', 1.<V '5)6'($+(

FF>M 3N\=2 M000 BT\#6U1,2K <F0] $% %,$.. ,- 7) ='$+,'$+)9 ', ,#) F2>J < F ;= J < 0> $+>K

#)$(#, '7-5) ,#) ;)+,)6.$+) -1 ,#) 7<6+)6 '66'/> T#) 1<). 1.-: $% ,- 7) $+;6)'%)9 '% 6)<$6)9 ,-

='$+,'$+ ,#) 9)%$(+',)9 #)', 1.<V>

7.15.1(d) T#) 7<6+)6% '6) ,- 7) ,/8) eS$)5)6, -> 22f -6 )<$5'.)+, :#$;# 86-9<;)% '+ '$6

=$V)9 1.'=)> T#) $++)6 9$'=),)6 -1 ,#) 7<6+)6 #)'9% $% ,- 7) 2 == F>F $+>K> S)) UU2\$(<6) F>

T#) 7<6+)6 #)'9% '6) ,- 7) =-<+,)9 $+ ,#) %'=) 8.'+) '+9 %<88.$)9 :$,# ('% 16-= ' ='+$1-.9>

I1 +);)%%'6/ )';# 7<6+)6 $% ,- 7) )<$88)9 :$,# ' 5'.5) $+ -69)6 ,- '9[<%, ,#) 1.'=) #)$(#,>

7.15.1(e) T#) #)$(#, -1 ,#) 7<6+)6 %,'+9 $% '.%- ,- 7) '9[<%,'7.)> I, $% ,- 7) =-<+,)9 ;)+,6'../ 7).-: ,#) ,)%, 8$8) :$,# ,#) 6-:% -1 7<6+)6% 8'6'..). ,- ,#) 8$8)^% 'V$%> T#) 9$%,'+;) 7),:))+

,#) 7<6+)6 #)'9% '+9 ,#) 8$8) $% ,- 7) ='$+,'$+)9 ', F2>J < F ;= J < 0> $+>K 9<6$+( ,#) ,)%,> T#)

16)) .)+(,# -1 ,#) 8$8) 7),:))+ $,% %<88-6,% $% ,- 7) 0>O < 0>0J = F>J < 2 $+>K> S)) UU2\$(<6) 2>




ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 221

FIGURE 1Fire Endurance Test Burner Assembly

+

+

+

+

+

+

+

+

+

+

J0

Q0

Q0

Q0

Q0

90

Q0

J0

Q0

Q0

Q0

90

M0

F00

20 20

'K T-8 E$): 7K S$9) E$): -1

-+) B<6+)6

F00

OJ

32

L20

FIGURE 2Fire Endurance Test Stand with Mounted Sample

O00 j J0

FJ00 j F00

F2J j F0

7.15.2 Test Specimen

7.15.(a) ';# 8$8) $% ,- #'5) ' .)+(,# -1 '886-V$=',)./ F>J = J 1,K>

7.15.(b) T#) ,)%, 8$8) $% ,- 7) 86)8'6)9 :$,# 8)6='+)+, [-$+,% '+9 1$,,$+(% $+,)+9)9 ,- 7)

<%)9> +./ 5'.5)% '+9 %,6'$(#, [-$+,% 5)6%<% ).7-:% '+9 7)+9% '6) ,- 7) ,)%,)9 '% ,#) '9#)%$5)

$+ ,#) [-$+, $% ,#) 86$='6/ 8-$+, -1 1'$.<6)>

7.15.(c) T#) +<=7)6 -1 8$8) %8);$=)+% $% ,- 7) %<11$;$)+, ,- ,)%, '.. ,/8$;'. [-$+,% '+9 1$,,$+(%>

7.15.(d) T#) )+9% -1 )';# 8$8) %8);$=)+ '6) ,- 7) ;.-%)9> +) -1 ,#) )+9% $% ,- '..-:

86)%%<6$Y)9 :',)6 ,- 7) ;-++);,)9>

7.15.(e) I1 ,#) $+%<.',$-+ ;-+,'$+% -6 $% .$'7.) ,- '7%-67 =-$%,<6) ,#) %8);$=)+ $% +-, ,- 7),)%,)9 <+,$. ,#) $+%<.',$-+ #'% 6)';#)9 '+ '$6 96/U;-+9$,$-+ 9)1$+)9 '% )<$.$76$<= :$,# '+

'=7$)+, ',=-%8#)6) -1 J0] 6).',$5) #<=$9$,/ ', 20 < J%C MO < %K> A;;).)6',)9 ;-+9$,$-+$+(

$% 8)6=$%%$7.) 86-5$9)9 ,#) =),#-9 9-)% +-, '.,)6 ,#) 86-8)6,$)% -1 ,#) ;-=8-+)+, =',)6$'.>S8);$'. %'=8.)% '6) ,- 7) <%)9 1-6 =-$%,<6) ;-+,)+, 9),)6=$+',$-+ '+9 ;-+9$,$-+)9 :$,# ,#)

,)%, %8);$=)+> T#)%) %'=8.)% '6) ,- 7) %- ;-+%,6<;,)9 '% ,- 6)86)%)+, ,#) .-%% -1 :',)6 5'8-6

16-= ,#) %8);$=)+ #'5$+( %$=$.'6 ,#$;3+)%% '+9 )V8-%)9 1';)%>




222 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

7.15.(f) T#) 8$8) %'=8.)% '6) ,- 6)%, 16))./ $+ ' #-6$Y-+,'. 8-%$,$-+ -+ ,:- EU%#'8)9 %<88-6,%>

T#) 16$;,$-+ 7),:))+ 8$8) '+9 %<88-6,% $% ,- 7) =$+$=$Y)9> T#) %<88-6,% ='/ ;-+%$%, -1 ,:-

%,'+9% '% %#-:+ $+ UU2\$(<6) 2>

7.15.(g) A 6).$)1 5'.5) $% ,- 7) ;-++);,)9 ,- -+) -1 ,#) )+9 ;.-%<6)% -1 )';# %8);$=)+>

7.15.3 Test Conditions

7.15.3(a) T#) ,)%, $% ,- 7) ;'66$)9 -<, $+ ' %#).,)6)9 ,)%, %$,) $+ -69)6 ,- 86)5)+, '+/ 96'1,

$+1.<)+;$+( ,#) ,)%,>

7.15.3(b) ';# 8$8) %8);$=)+ $% ,- 7) ;-=8.),)./ 1$..)9 :$,# 9)')6',)9 :',)6 ,- )V;.<9) '$6

7<77.)%>

7.15.3(c) T#) :',)6 ,)=8)6',<6) $% +-, ,- 7) .)%% ,#'+ FJ%C J%K ', ,#) %,'6, '+9 $% ,- 7)=)'%<6)9 ;-+,$+<-<%./ 9<6$+( ,#) ,)%,> T#) :',)6 $% ,- 7) %,'(+'+, '+9 ,#) 86)%%<6) ='$+,'$+)9

', < 0>J 7'6 >F < 0>J 3(1\;=2 >J < Q>2J 8%$K 9<6$+( ,#) ,)%,>

7.15.4 Acceptance Criteria

7.15.4(a) <6$+( ,#) ,)%, +- .)'3'() 16-= ,#) %'=8.)%K $% ,- -;;<6 )V;)8, ,#', %.$(#, :))8$+(

,#6-<(# ,#) 8$8) :'.. ='/ 7) ';;)8,)9>

7.15.4(b) A1,)6 ,)6=$+',$-+ -1 ,#) 7<6+)6 ,)%, ,#) ,)%, %8);$=)+ ,-(),#)6 :$,# 1$6) 86-,);,$5)

;-',$+( $1 '+/ $% ,- 7) '..-:)9 ,- ;--. ,- '=7$)+, ,)=8)6',<6) '+9 ,#)+ ,)%,)9 ,- ,#) ='V$=<=

'..-:'7.) 86)%%<6) -1 ,#) 8$8)% '% 9)1$+)9 $+ UU2\Q>J>F '+9 UU2\Q>J>2> T#) 86)%%<6) $% ,-

7) #).9 1-6 ' =$+$=<= -1 FJ =$+<,)% :$,#-<, %$(+$1$;'+, .)'3'() k$>)> +-, )V;))9$+( 0>2 F\=$+>

0>0J (8=Kl> N#)6) 86';,$;'7.) ,#) #/96-%,',$; ,)%, $% ,- 7) ;-+9<;,)9 -+ 7'6) 8$8) $>)>

;-5)6$+(% '+9 $+%<.',$-+ 6)=-5)9K %- ,#', '+/ .)'3'() :$.. 7) '88'6)+,>

7.17 Tests by Manufacturer – Flame Spread

7.17.1 Test Method

.'=) %86)'9 -1 8.'%,$; 8$8$+( $% ,- 7) 9),)6=$+)9 7/ I? R)%-.<,$-+ A>MJFMK )+,$,.)9

eR);-==)+9',$-+ -+ I=86-5)9 $6) T)%, &6-;)9<6)% 1-6 S<61';) .'=='7$.$,/ -1 B<.3#)'9

C)$.$+( '+9 );3 $+$%# ?',)6$'.%f :$,# ,#) 1-..-:$+( =-9$1$;',$-+%>

7.17.1(a) T)%,% '6) ,- 7) ='9) 1-6 )';# 8$8) =',)6$'. '+9 %$Y)>

7.17.1(b) T#) ,)%, %'=8.) $% ,- 7) 1'76$;',)9 7/ ;<,,$+( 8$8)% .)+(,#:$%) $+,- $+9$5$9<'.

%);,$-+% '+9 ,#)+ '%%)=7.$+( ,#) %);,$-+% $+,- ' ,)%, %'=8.) '% 6)86)%)+,',$5) '% 8-%%$7.) -1 '

1.', %<61';)> A ,)%, %'=8.) $% ,- ;-+%$%, -1 ', .)'%, ,:- %);,$-+%> T#) ,)%, %'=8.) $% ,- 7) ', .)'%,

O00 < J == F>J < 0>2 $+>K .-+(> A.. ;<,% '6) ,- 7) ='9) +-6='. ,- ,#) 8$8) :'..>

7.17.1(c) T#) +<=7)6 -1 %);,$-+% ,#', =<%, 7) '%%)=7.)9 ,-(),#)6 ,- 1-6= ' ,)%, %'=8.) $% ,-

7) ,#', :#$;# ;-66)%8-+9% ,- ,#) +)'6)%, $+,)(6'. +<=7)6 -1 %);,$-+% :#$;# ='3)% <8 ' ,)%,%'=8.) :$,# '+ )<$5'.)+, .$+)'6$Y)9 %<61';) :$9,# 7),:))+ FJJ == M $+>K '+9 FO0 == Q $+>K>

T#) %<61';) :$9,# $% 9)1$+)9 '% ,#) =)'%<6)9 %<= -1 ,#) -<,)6 ;$6;<=1)6)+;) -1 ,#) '%%)=7.)9

8$8) %);,$-+% ,#', '6) )V8-%)9 ,- ,#) 1.<V 16-= ,#) 6'9$'+, 8'+).>

7.17.1(d) T#) '%%)=7.)9 ,)%, %'=8.) $% ,- #'5) +- ('8% 7),:))+ $+9$5$9<'. %);,$-+%>

7.17.1(e) T#) '%%)=7.)9 ,)%, %'=8.) $% ,- 7) ;-+%,6<;,)9 $+ %<;# ' :'/ ,#', ,#) )9()% -1 ,:-

'9[';)+, %);,$-+% ;-$+;$9) :$,# ,#) ;)+,)6.$+) -1 ,#) ,)%, #-.9)6>

7.17.1(f) T#) $+9$5$9<'. ,)%, %);,$-+% '6) ,- 7) ',,';#)9 ,- ,#) 7';3$+( ;'.;$<= %$.$;',) 7-'69

<%$+( :$6) -> FO 6);-==)+9)9K $+%)6,)9 ', J0 == 2 $+>K $+,)65'.% ,#6-<(# ,#) 7-'69 '+9

,$(#,)+)9 7/ ,:$%,$+( ', ,#) 7';3>




ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 223

7.17.1(g) T#) $+9$5$9<'. 8$8) %);,$-+% '6) ,- 7) =-<+,)9 %- ,#', ,#) #$(#)%, 8-$+, -1 ,#)

)V8-%)9 %<61';) $% $+ ,#) %'=) 8.'+) '% ,#) )V8-%)9 1.', %<61';) -1 ' +-6='. %<61';)>

7.17.1(h) T#) %8';) 7),:))+ ,#) ;-+;'5) <+)V8-%)9 %<61';) -1 ,#) ,)%, %'=8.) '+9 ,#)

%<61';) -1 ,#) ;'.;$<= %$.$;',) 7';3$+( 7-'69 $% ,- 7) .)1, 5-$9>

7.17.1(i) T#) 5-$9 %8';) 7),:))+ ,#) ,-8 -1 ,#) )V8-%)9 ,)%, %<61';) '+9 ,#) 7-,,-= )9() -1

,#) %'=8.) #-.9)6 16'=) $% ,- 7) 1$..)9 :$,# ' #$(# ,)=8)6',<6) $+%<.',$+( :--. $1 ,#) :$9,# -1

,#) 8$8) %)(=)+,% )V,)+9 <+9)6 ,#) %$9) )9()% -1 ,#) %'=8.) #-.9$+( 16'=)>

7.19 Testing By Manufacturer – General !"##)%

T)%,$+( $% ,- 9)=-+%,6',) ,#) ;-=8.$'+;) -1 8.'%,$; 8$8)% 1$,,$+(% '+9 [-$+,% 1-6 :#$;# '886-5'. $+

';;-69'+;) :$,# UU2\Q $% 6)<)%,)9> T#)%) ,)%,% '6) ,- 7) $+ ;-=8.$'+;) :$,# ,#) 6)<$6)=)+,% -1

6).)5'+, %,'+9'69% '% 8)6 UU2\T'7.) '+9 UU2\T'7.) >

7.21 Testing Onboard After Installation

&$8$+( %/%,)=% '6) ,- 7) %<7[);,)9 ,- ' #/96-%,',$; ,)%, 86)%%<6) -1 +-, .)%% ,#'+ F>J ,$=)% ,#) 9)%$(+ 86)%%<6) ,- ,#) %',$%1';,$-+ -1 ,#) S<65)/-6>

-6 8$8$+( 6)<$6)9 ,- 7) ).);,6$;'../ ;-+9<;,$5) )'6,#$+( $% ,- 7) ;#);3)9 '+9 6'+9-= 6)%$%,'+;)

,)%,$+( $% ,- 7) ;-+9<;,)9 ,- ,#) %',$%1';,$-+ -1 ,#) S<65)/-6>




224 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

TABLE 2Fire Endurance Requirements Matrix for Plastic Pipes

OCATION

PIPING SYSTEMS A B C G I h m

CARG .'=='7.) ;'6(-)% :$,# 1.'%# 8-$+, + M0%C F0%K

F C'6(- .$+)% A A LF A A 0 A 0 F0K 0 A LF 2K

2 C6<9) -$. :'%#$+( .$+)% A A LF A A 0 A 0 F0K 0 A LF 2K

E)+, .$+)% A A A A A 0 A 0 F0K 0 A n

IRT GAS

N',)6 %)'. )11.<)+, .$+) A A 0 FK A A 0 FK 0 FK 0 FK 0 FK A 0

J S;6<77)6 )11.<)+, .$+) 0 FK 0 FK A A A A A A 0 FK A 0

M ?'$+ .$+) 0 0 LF A A A A A 0 A LF MK

Q $%,6$7<,$-+ .$+)% A A LF A A 0 A A 0 A LF 2K

LA??ABL LIoIS 1.'%# 8-$+, g M0%C F0%K

O C'6(- .$+)% n n LF n n A K 0 0 F0K 0 A LF

<). -$. n n LF n n AK

0 0 0 LF LFF0 L<76$;',$+( -$. n n LF n n A A A 0 LF LF

FF /96'<.$; -$. n n LF n n 0 0 0 0 LF LF

SA NATR S)) -,) FK

F2 B$.() ='$+ '+9 76'+;#)% LF QK LF QK LF n n A 0 0 0 A LF

F $6) ='$+ '+9 :',)6 %86'/ LF LF LF n A A A 0 0 n LF

F -'= %/%,)= LF LF LF A A A A A 0 LF LF

FJ S86$+3.)6 %/%,)= LF LF L n A A A 0 0 L L

FM B'..'%, L L L L n 0 F0K 0 0 0 L2 L2

FQ C--.$+( :',)6 )%%)+,$'. %)65$;)% L L A A A A A 0 0 A L2

FO T'+3 ;.)'+$+( %)65$;)% 1$V)9 =';#$+)% A A L A A 0 A 0 0 A L 2K

F -+U)%%)+,$'. %/%,)=% 0 0 0 0 0 A 0 0 0 0 0

RS NATR

20 C--.$+( :',)6 )%%)+,$'. %)65$;)% L L A A A A 0 0 0 L L

2F C-+9)+%',) 6),<6+ L L L 0 0 A A A 0 0 0

22 -+U)%%)+,$'. %/%,)=% 0 0 0 0 0 A 0 0 0 0 0

SAITARp\RAIS\SC&&RS

2 );3 96'$+% $+,)6+'.K LF K LF K A LF K 0 A 0 0 0 0 0

2 S'+$,'6/ 96'$+% $+,)6+'.K 0 0 A 0 0 A 0 0 0 0 0

2J S;<88)6% '+9 9$%;#'6()% -5)67-'69K 0 FOK 0 FOK 0 FOK 0 FOK 0 FOK 0 0 0 0 0 FOK 0

ETS\SIG

2M N',)6 ,'+3%\96/ %8';)% 0 0 0 0 0 0 F0K 0 0 0 0 0

2Q $. ,'+3% 1.'%#8-$+, g M0%C F0%KK n n n n n n 0 0 F0K 0 n n

?ISCLLAS

2O C-+,6-. '$6 LF JK LF JK LF JK LF JK LF JK A 0 0 0 LF JK LF JK

2 S)65$;) '$6 +-+U)%%)+,$'.K 0 0 0 0 0 A 0 0 0 0 0

0 B6$+) 0 0 A 0 0 A A A 0 0 0

F A<V$.$'6/ .-: 86)%%<6) %,)'= 86)%%<6)

+ Q 7'6 Q 3(1\;=2 F00 8%$KK

L2 L2 0 K 0 K 0 K 0 0 0 0 0 K 0 K

ocations Abbreviations

ABCGIhm

C',)(-6/ A =';#$+)6/ %8';)%,#)6 =';#$+)6/ %8';)%C'6(- 8<=8 6--=%R-\R- ;'6(- #-.9%,#)6 96/ ;'6(- #-.9%C'6(- ,'+3%<). -$. ,'+3%B'..'%, :',)6 ,'+3%C-11)69'=% 5-$9 %8';)% 8$8) ,<++).% '+9 9<;,%A;;-==-9',$-+ %)65$;) '+9 ;-+,6-. %8';)%8)+ 9);3%

LF

L2

L

0 An

$6) )+9<6'+;) ,)%, $+ 96/ ;-+9$,$-+% M0 =$+<,)% $+';;-69'+;) :$,# UU2\Q>F$6) )+9<6'+;) ,)%, $+ 96/ ;-+9$,$-+% 0 =$+<,)% $+';;-69'+;) :$,# UU2\Q>F$6) )+9<6'+;) ,)%, $+ :), ;-+9$,$-+% 0 =$+<,)% $+';;-69'+;) :$,# UU2\Q>FJ - 1$6) )+9<6'+;) ,)%, 6)<$6)9 -, '88.$;'7.)?),'..$; =',)6$'.% #'5$+( ' =).,$+( 8-$+, (6)',)6 ,#'+ 2J%CFQ00%K




ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 225

TABLE 2 (continued)Fire Endurance Requirements Matrix for Plastic Pipes

Notes

F N#)6) +-+U=),'..$; 8$8$+( $% <%)9 6)=-,)./ ;-+,6-..)9 5'.5)% '6) ,- 7) 86-5$9)9 ', ,#) 5)%%).^% %$9)> T#)%) 5'.5)%'6) ,- 7) ;-+,6-..)9 16-= -<,%$9) ,#) %8';)>

2 R)=-,) ;.-%$+( 5'.5)% '6) ,- 7) 86-5$9)9 ', ,#) ;'6(- ,'+3%>

N#)+ ;'6(- ,'+3% ;-+,'$+ 1.'=='7.) .$<$9% :$,# ' 1.'%# 8-$+, (6)',)6 ,#'+ M0bC F0bK e0f ='/ 6)8.';) eAf-6 enf>

-6 96'$+% %)65$+( -+./ ,#) %8';) ;-+;)6+)9 e0f ='/ 6)8.';) eLFf>

J N#)+ ;-+,6-..$+( 1<+;,$-+% '6) +-, 6)<$6)9 7/ %,',<,-6/ 6)<$6)=)+,% e0f ='/ 6)8.';) eLFf>

M -6 8$8) 7),:))+ =';#$+)6/ %8';) '+9 9);3 :',)6 %)'. e0f ='/ 6)8.';) eLFf>

Q -6 8'%%)+()6 5)%%).% enf $% ,- 6)8.';) eLFf>

O -6 )%%)+,$'. %)65$;)% %<;# '% 1<). -$. ,'+3 #)',$+( '+9 %#$8^% :#$%,.) enf $% ,- 6)8.';) e0f>




226 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

TABLE 3Standards for Plastic Pipes – Typical Requirements

for All Systems !"##)%

Test Typical Standard Notes

F I+,)6+'. 86)%%<6) FK UU2\Q>J>F

AST? FJ

AST? 22

IS FJ -6 )<$5'.)+,

T-8 ?$99.) B-,,-= -1 )';#

86)%%<6) 6'+()K

T)%,% '6) ,- 7) ;'66$)9 -<, -+ 8$8)

%8--.% ='9) -1 9$11)6)+, 8$8) %$Y)%1$,,$+(% '+9 8$8) ;-++);,$-+%>

2 V,)6+'. 86)%%<6) FK UU2\Q>J>2

IS FJ -6 )<$5'.)+, A% '7-5) 1-6 %,6'$(#, 8$8)% -+./>

AV$'. %,6)+(,# FK UU2\Q>J> A% '7-5)>

L-'9 9)1-6=',$-+ AST? 2F2 -6 )<$5'.)+, T-8 ?$99.) B-,,-= -1 )';# 86)%%<6) 6'+()K

J T)=8)6',<6) .$=$,',$-+% FK UU2\Q>J>

IS QJ ?),#-9 A GR& 8$8$+( %/%,)=D

T ,)%, -+ )';# ,/8) -1 6)%$+ ';;> ,-

IS QJ =),#-9 A>

T#)6=-8.'%,$; 8$8$+( %/%,)=%D

IS QJ ?),#-9 AIS 0M &.'%,$;% q

T#)6=-8.'%,$; =',)6$'.% q ),)6=$+',$-+ -1 E$;', %-1,)+$+(,)=8)6',<6) ESTK

EICAT ,)%, ';;-69$+( ,- IS 2J0Q

&-./)%,)6% :$,# '+ T 7).-: O0bC%#-<.9 +-, 7) <%)9>

';# ,/8) -1 6)%$+

M I=8';, 6)%$%,'+;) FK UU2\Q>J>J

IS OJD F IS MJD FF ISFJ

AST? 2 -6 )<$5'.)+,

R)86)%)+,',$5) %'=8.) -1 )';# ,/8) -1

;-+%,6<;,$-+

Q A()$+( ?'+<1';,<6)6r% %,'+9'69

IS F2DF0

';# ,/8) -1 ;-+%,6<;,$-+

O ',$(<) ?'+<1';,<6)6^% %,'+9'69 -6 %)65$;))V8)6$)+;)>

';# ,/8) -1 ;-+%,6<;,$-+

.<$9 '7%-68,$-+ IS OMFDFF

F0 ?',)6$'. ;-=8',$7$.$,/ 2K AST? CJOF

?'+<1';,<6)6^% %,'+9'69

Notes

F N#)6) ,#) ='+<1';,<6)6 9-)% +-, #'5) ' ;)6,$1$)9 <'.$,/ %/%,)= ,)%, ,- 7) :$,+)%%)9 7/ ,#) S<65)/-6> S))UU2\Q>>

2 I1 '88.$;'7.)>




ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 227

TABLE 4Standards for Plastic Pipes – Additional Requirements Depending on

Service and[or Location of Piping !"##)%

Test Typical Standard Notes

F $6) )+9<6'+;) F2K UU2\Q>F R)86)%)+,',$5) %'=8.)% -1 )';# ,/8)

-1 ;-+%,6<;,$-+ '+9 ,/8) -1 8$8);-++);,$-+>

2 .'=) %86)'9 F2K UU2\Q>FQ R)86)%)+,',$5) %'=8.)% -1 )';# ,/8)

-1 ;-+%,6<;,$-+>

S=-3) ()+)6',$-+ 2K I? $6) T)%, &6-;)9<6)% C-9) R)86)%)+,',$5) %'=8.)% -1 )';# ,/8)-1 ;-+%,6<;,$-+>

T-V$;$,/ 2K I? $6) T)%, &6-;)9<6)% C-9) R)86)%)+,',$5) %'=8.)% -1 )';# ,/8)-1 ;-+%,6<;,$-+>

J .);,6$;'. ;-+9<;,$5$,/ F2K UU2\Q>J>O

AST? FFQUJ -6 AST?

2JQ S MF2M\ FF>2 -6 )<$5'.)+,

R)86)%)+,',$5) %'=8.)% -1 )';# ,/8)

-1 ;-+%,6<;,$-+

Notes

F N#)6) ,#) ='+<1';,<6)6 9-)% +-, #'5) ' ;)6,$1$)9 <'.$,/ %/%,)= ,)%, ,- 7) :$,+)%%)9 7/ ,#) S<65)/-6> S))UU2\Q>>

2 I1 '88.$;'7.)>

Note T)%, $,)=% F 2 '+9 J $+ UU2\T'7.) '6) -8,$-+'.> -:)5)6 $1 +-, ;'66$)9 -<, ,#) 6'+() -1 '886-5)9

'88.$;',$-+% 1-6 ,#) 8$8)% :$.. 7) .$=$,)9 ';;-69$+(./ %)) UU2\T'7.) 2K>

?,26/,7 9H ,7E+ ,-. F/22/-0+

9.1 General

T#) 8#/%$;'. ;#'6';,)6$%,$;% -1 %<;# =',)6$'. '6) ,- 7) $+ ';;-69'+;) :$,# ,#) '88.$;'7.) 6)<$6)=)+,%

-1 C#'8,)6 -1 ,#) ABS Rules for Materials and Welding (Part ) -6 -,#)6 %<;# '886-86$',) =',)6$'.

%8);$1$;',$-+% '% ='/ 7) '886-5)9 $+ ;-++);,$-+ :$,# ' 8'6,$;<.'6 9)%$(+ 1-6 ,#) %,6)%%)% '+9 ,)=8)6',<6)%

,- :#$;# ,#)/ ='/ 7) )V8-%)9> ?'+<1';,<6)6% '6) ,- ='3) 8#/%$;'. ,)%,% -1 )';# =)., '+9 <8-+

6)<)%, '6) ,- %<7=$, ,#) 6)%<.,% -1 %<;# ,)%,% ,- ,#) B<6)'<>

9.3 Forged or Cast Steel

I+ '+/ %/%,)= 1-6()9 -6 ;'%, %,)). ='/ 7) <%)9 $+ ,#) ;-+%,6<;,$-+ -1 5'.5)% '+9 1$,,$+(% 1-6 '.. 86)%%<6)%

'+9 ,)=8)6',<6)%>

9.5 Cast Iron

-6 ,)=8)6',<6)% +-, )V;))9$+( 22%C J0%K ;'%, $6-+ -1 ,#) 8#/%$;'. ;#'6';,)6$%,$;% %8);$1$)9 $+

S);,$-+ 2UUM -1 ,#) ABS Rules for Materials and Welding (Part ) ='/ 7) <%)9 $+ ,#) ;-+%,6<;,$-+ -1

5'.5)% '+9 1$,,$+(% )V;)8, '% +-,)9 $+ UU2\F>F>2 UU2\F>Q '+9 UU\F>Q>F>

9.7 Ductile (Nodular) Iron

-9<.'6U$6-+ '88.$;',$-+% 1-6 5'.5)% '+9 1$,,$+(% :$.. 7) %8);$'../ ;-+%$9)6)9 :#)6) ,#) ,)=8)6',<6)

9-)% +-, )V;))9 %C MJ0%K>




228 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

9.9 Nonferrous

B6'%% -6 76-+Y) #'5$+( ,#) 8#/%$;'. ;#'6';,)6$%,$;% '% %8);$1$)9 $+ C#'8,)6 -1 ,#) ABS Rules for Materials and Welding (Part ) ='/ 7) <%)9 $+ ,#) ;-+%,6<;,$-+ -1 5'.5)% '+9 1$,,$+(% $+,)+9)9 1-6 ,)=8)6',<6)% <8 ,- 20O%C 0M%K> -6 ,)=8)6',<6)% (6)',)6 ,#'+ 20O%C 0M%K 7<, +-, $+ )V;)%% -1

2OObC JJ0%K #$(#U,)=8)6',<6) 76-+Y) $% ,- 7) <%)9 '+9 ,#) ;#)=$;'. '+9 8#/%$;'. ;#'6';,)6$%,$;%'6) ,- 7) %<7=$,,)9 1-6 '886-5'.>

E'.5)% 1$,,$+(% '+9 1.'+()% -1 +-+1)66-<% =',)6$'. ='/ 7) ',,';#)9 ,- +-+1)66-<% 8$8) 7/ '+ '886-5)9

%-.9)6$+( =),#-9> -6 86)%%<6)% <8 ,- M> 7'6 Q 3(1\;=2 F00 8%$K '+9 ,)=8)6',<6)% +-, )V;))9$+(

%C 200%K -69$+'6/ %-.9)6 ='/ 7) <%)9 7<, 1-6 #$(#)6 86)%%<6)% '+9 ,)=8)6',<6)% ,#) =),#-9 '+9,#) <'.$,/ -1 %-.9)6 ,- 7) <%)9 :$.. 7) ;-+%$9)6)9 1-6 )';# ;'%)>

9.11 Plastic Compounds !'(()%

R$($9 8.'%,$; ;-=8-<+9% 1-6 5'.5)% '+9 1$,,$+(% $+ 8.'%,$; 8$8$+( %/%,)=% '6) ,- 7) $+ ';;-69'+;) :$,#

,#) '88.$;'7.) 6)<$6)=)+,% $+ UU2\Q> T#) 9)%$(+ 86)%%<6) '+9 ,)=8)6',<6) ,-(),#)6 :$,# ,#) 8#/%$;'.

;#'6';,)6$%,$;% -1 ,#) =',)6$'. '6) ,- 7) %<7=$,,)9 $+ '.. ;'%)%>

44 ,7E+

11.1 General 11.1.1 Standard Valves

E'.5)% ;-+%,6<;,)9 '+9 ,)%,)9 $+ ';;-69'+;) :$,# ' 6);-(+$Y)9 %,'+9'69 ='/ 7) <%)9 %<7[);,

,- ;-=8.$'+;) :$,# UU2\FF>J>

11.1.2 Non-Standard Valves

A.. -,#)6 5'.5)% +-, ;)6,$1$)9 7/ ,#) ='+<1';,<6)6 '% 7)$+( $+ ';;-69'+;) :$,# ' 6);-(+$Y)9%,'+9'69 ='/ 7) ';;)8,)9 7'%)9 -+ )5$9)+;) 5)6$1/$+( ,#)$6 %<$,'7$.$,/ 1-6 ,#) $+,)+9)9

%)65$;)> A;;)8,'7.) )5$9)+;) $+;.<9)% ,)%,$+( -6 '+'./%$% 9)=-+%,6',$+( '9)<';/ $+;.<9$+(

7-,# %,6<;,<6'. '+9 =',)6$'. ;'8'7$.$,/ '%8);,%> 6':$+(% -1 %<;# 5'.5)% %#-:$+( 9),'$.% -1

;-+%,6<;,$-+ '+9 =',)6$'.% '6) ,- 7) %<7=$,,)9 1-6 6)5$): '% :).. '% ,#) 7'%$% 1-6 5'.5)

86)%%<6) 6',$+( %<;# '% 9)%$(+ ;'.;<.',$-+% -6 '886-86$',) 7<6%, ,)%, 9','>

11.3 Construction

A.. 5'.5)% '6) ,- ;.-%) :$,# ' 6$(#, #'+9 ;.-;3:$%)K =-,$-+ -1 ,#) #'+9:#)). :#)+ 1';$+( ,#) )+9 -1

,#) %,)= '+9 '6) ,- 7) )$,#)6 -1 ,#) 6$%$+(U%,)= ,/8) -6 1$,,)9 :$,# '+ $+9$;',-6 ,- %#-: :#),#)6 ,#)

5'.5) $% -8)+ -6 ;.-%)9>

A.. 5'.5)% -1 G6-<8 I 8$8$+( %/%,)=% #'5$+( +-=$+'. 9$'=),)6% )V;))9$+( J0 == 2 $+>K '6) ,- #'5) 7-.,)9 86)%%<6) %)'. -6 76));# .-;3 7-++),% '+9 1.'+()9 -6 :).9$+( )+9%> N).9$+( )+9% '6) ,- 7) ,#)

7<,, :).9 ,/8) )V;)8, ,#', %-;3), :).9 )+9% ='/ 7) <%)9 1-6 5'.5)% #'5$+( +-=$+'. 9$'=),)6% -1

O0 == $+>K -6 .)%% <8 ,- '+9 $+;.<9$+( >2 7'6 0>0 3(1\;=2K 86)%%<6) 6',$+( ;.'%% AS? M00

C.'%%K '+9 1-6 5'.5)% #'5$+( +-=$+'. 9$'=),)6% -1 MJ == 2>J $+>K -6 .)%% <8 ,- '+9 $+;.<9$+(O>F 7'6 F00 3(1\;=2K 86)%%<6) 6',$+( ;.'%% AS? FJ00 C.'%%K>

A.. ;'%, $6-+ 5'.5)% '6) ,- #'5) 7-.,)9 7-++),% -6 '6) ,- 7) -1 ,#) <+$-+ 7-++), ,/8)> -6 ;'%, $6-+

5'.5)% -1 ,#) <+$-+ 7-++), ,/8) ,#) 7-++), 6$+( $% ,- 7) -1 %,)). 76-+Y) -6 ='..)'7.) $6-+>

S,)=% 9$%;% -6 9$%; 1';)% %)',% '+9 -,#)6 :)'6$+( 8'6,% -1 5'.5)% '6) ,- 7) -1 ;-66-%$-+U6)%$%,'+,

=',)6$'.% %<$,'7.) 1-6 ,#) $+,)+9)9 %)65$;)>




ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 229

E'.5)% '6) ,- 7) 9)%$(+)9 1-6 ,#) ='V$=<= 86)%%<6) ,- :#$;# ,#)/ :$.. 7) %<7[);,)9> T#) 9)%$(+

86)%%<6) $% ,- 7) ', .)'%, > 7'6 >J 3(1\;=2 J0 8%$K> E'.5)% <%)9 $+ -8)+ %/%,)=% %<;# '% 5)+, '+996'$+ .$+)% '+9 5'.5)% =-<+,)9 -+ ',=-%8#)6$; ,'+3% :#$;# '6) +-, 8'6, -1 ,#) ,'+3 %<;,$-+ -6 9$%;#'6()

8$8$+(1-6 )V'=8.) .)5). ('<() '+9 96'$+ ;-;3%K ='/ 7) 9)%$(+)9 1-6 ' 86)%%<6) 7).-: > 7'6

>J 3(\;=2 J0 8%$K %<7[);, ,- ,#) 6)<$6)=)+,% -1 UU2\FF>F> L'6() 1'76$;',)9 7'..'%, ='+$1-.9%

:#$;# ;-++);, .$+)% )V;))9$+( 200 == O $+>K +-=$+'. 8$8) %$Y) ='/ 7) %8);$'../ ;-+%$9)6)9 :#)+,#) ='V$=<= 86)%%<6) ,- :#$;# ,#)/ :$.. 7) %<7[);,)9 9-)% +-, )V;))9 F>Q 7'6 F>QJ 3(1\;=2 2J 8%$K>

A.. 5'.5)% 1-6 G6-<8 I 8$8$+( %/%,)=% '+9 5'.5)% $+,)+9)9 1-6 <%) $+ %,)'= -6 -$. .$+)% '6) ,- 7)

;-+%,6<;,)9 %- ,#', ,#) %,)= $% 8-%$,$5)./ 6)%,6'$+)9 16-= 7)$+( %;6):)9 -<, -1 ,#) 7-9/ 7-++),K> &.<(

5'.5)% 7<,,)61./ 5'.5)% '+9 5'.5)% )=8.-/$+( 6)%$.$)+, =',)6$'. :$.. 7) %<7[);, ,- %8);$'. ;-+%$9)6',$-+>

E'.5) -8)6',$+( %/%,)=% 1-6 '.. 5'.5)% :#$;# ;'++-, 7) ='+<'../ -8)6',)9 '6) ,- 7) %<7=$,,)9 1-6

'886-5'.>

11.5 Hydrostatic Test and Identification

A.. 5'.5)% '6) ,- 7) %<7[);,)9 7/ ,#) ='+<1';,<6)6 ,- ' #/96-%,',$; ,)%, ', ' 86)%%<6) )<'. ,- ,#',

%,$8<.',)9 7/ ,#) A=)6$;'+ ',$-+'. S,'+9'69% I+%,$,<,) -6 -,#)6 6);-(+$Y)9 %,'+9'69> T#)/ '6) ,- 7)'6 ,#) ,6'9)='63 -1 ,#) ='+<1';,<6)6 .)($7./ %,'=8)9 -6 ;'%, -+ ,#) )V,)6$-6 -1 ,#) 5'.5) '+9 ,#) 86$='6/

86)%%<6) 6',$+( ', :#$;# ,#) ='+<1';,<6)6 $9)+,$1$)% ,#) 5'.5) '% =)),$+( ,#) 6)<$6)=)+,% -1 ,#)

%,'+9'69%>

43 '/* F/22/-0+

13.1 General

A.. 1$,,$+(% $+ G6-<8 I 8$8$+( '6) ,- #'5) 1.'+()9 -6 :).9)9 )+9% $+ %$Y)% -5)6 O == >> $+>

&SK> S;6):)9 1$,,$+(% ='/ 7) <%)9 $+ G6-<8 I 8$8$+( %/%,)=% 86-5$9)9 ,#) ,)=8)6',<6) 9-)% +-,

)V;))9 MbC 2JbK '+9 ,#) 86)%%<6) 9-)% +-, )V;))9 ,#) ='V$=<= 86)%%<6) $+9$;',)9 7).-: 1-6 ,#) 8$8) %$Y)>

Pipe Size

mm O.D. (in. NPS)

Maximum Pressure

bar (kgf2cm , psi)

A7-5) O K -, 8)6=$,,)9 $+ G6-<8 I 8$8$+( %)65$;)

A7-5) M0 2K ,#6-<(# O K 2Q>M 2O>F0 00K

A7-5) FK ,#6-<(# M0 2K F> 2>20 M00K

A7-5) 2Q 0>QJK ,#6-<(# FK O2>O O>0 F200K

2Q 0>QJK '+9 %='..)6 F0 F0J>J0 FJ00K

.'6)9 1.'6).)%% '+9 ;-=86)%%$-+ 1$,,$+(% ='/ 7) <%)9 1-6 ,<7) %$Y)% +-, )V;))9$+( M0 == >> 2 $+>

&SK $+ G6-<8 I 8$8$+(> I+ G6-<8 II 8$8$+( %;6):)9 1$,,$+(% 1.'6)9 1.'6).)%% '+9 ;-=86)%%$-+ ,<7)1$,,$+(% :$.. 7) ';;)8,)9 :$,#-<, %$Y) .$=$,',$-+%> .'6)9 1$,,$+(% '6) ,- 7) <%)9 1-6 1.'=='7.) 1.<$9

%/%,)=% )V;)8, ,#', 7-,# 1.'6)9 '+9 1.'6).)%% 1$,,$+(% -1 ,#) +-+U7$,) ,/8) ='/ 7) <%)9 :#)+ ,#)

,<7$+( %/%,)= $% -1 %,)). -6 +$;3).U;-88)6 -6 ;-88)6U+$;3). '..-/%> +./ 1.'6)9 1$,,$+(% '6) ,- 7) <%)9

:#)+ ,<7$+( 1-6 1.'=='7.) 1.<$9 %/%,)=% $% -1 ;-88)6 -6 ;-88)6UY$+; '..-/%>

13.3 Hydrostatic Test and Identification

A.. 1$,,$+(% '6) ,- 7) %<7[);,)9 7/ ,#) ='+<1';,<6)6 ,- ' #/96-%,',$; ,)%, ', ' 86)%%<6) )<'. ,- ,#',

%,$8<.',)9 7/ ,#) A=)6$;'+ ',$-+'. S,'+9'69% I+%,$,<,) -6 -,#)6 6);-(+$Y)9 %,'+9'69> T#)/ '6) ,- 7)'6

,#) ,6'9)='63 -1 ,#) ='+<1';,<6)6 .)($7./ %,'=8)9 -6 ;'%, -+ ,#) )V,)6$-6 -1 ,#) 1$,,$+( '+9 '.%- ,#)

86$='6/ 86)%%<6) 6',$+( ', :#$;# ,#) ='+<1';,<6)6 (<'6'+,))% ,#) 1$,,$+( ,- =)), ,#) 6)<$6)=)+,% -1

,#) %,'+9'69%>




230 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

13.5 Nonstandard Fittings

$,,$+(% :#$;# '6) +-, ;)6,$1$)9 7/ ,#) ='+<1';,<6)6 '% 7)$+( $+ ';;-69'+;) :$,# ' 6);-(+$Y)9 %,'+9'69

:$.. 7) %<7[);, ,- %8);$'. ;-+%$9)6',$-+> &.'+% %#-:$+( 9),'$.% -1 ;-+%,6<;,$-+ '+9 ;'.;<.',$-+% -6 ,)%,

6)%<.,% )%,'7.$%#$+( ,#) 7'%$% 1-6 ,#) 1$,,$+(^% 86)%%<6) 6',$+( '6) ,- 7) %<7=$,,)9 1-6 6)5$):>

4> 7.. N9-+2,-.,6. ,7E+ ,-. F/22/-0+

-+U%,'+9'69 %,)). 5'.5)% '+9 1$,,$+(% 1'76$;',)9 7/ =)'+% -1 1<%$-+ :).9$+( '6) ,- '.%- ;-=8./ :$,#

,#) 6)<$6)=)+,% -1 C#'8,)6 -1 ,#) ABS Rules for Materials and Welding (Part )> -:)5)6 '1,)6 '

='+<1';,<6)6^% 86-;)9<6) $+ ,#) 1'76$;',$-+ -1 )<$8=)+, -1 ,#$% 3$+9 #'% 7))+ 9)=-+%,6',)9 7/ ,)%,%

,- ,#) %',$%1';,$-+ -1 ' S<65)/-6 ,- ,#) B<6)'< %<7%)<)+, ,)%,% -+ ,#) 86-9<;, +))9 +-, 7) :$,+)%%)9

7<, ,#) ='+<1';,<6)6^% (<'6'+,)) ,#', ,#) R<.)% '6) ;-=8.$)9 :$,# :$.. 7) ';;)8,)9 '% ,- -,#)6 5'.5)%

'+9 1$,,$+(% :#$;# ;-+1-6= ,- %,'+9'69% -1 ,#) A=)6$;'+ ',$-+'. S,'+9'69% I+%,$,<,) -6 -,#)6 6);-(+$Y)9

%,'+9'69%>

4 F7,-0+

17.1 General !'((+%

.'+()% '6) ,- 7) 9)%$(+)9 '+9 1'76$;',)9 $+ ';;-69'+;) :$,# ' 6);-(+$Y)9 +',$-+'. -6 $+,)6+',$-+'.

%,'+9'69> S.$8U-+ 1.'+()% 16-= 1.', 8.',) ='/ 7) %<7%,$,<,)9 1-6 #<77)9 %.$8U-+ 1.'+()% $+ G6-<8 II

8$8$+( %/%,)=%>

17.3 Group I Piping Flanges

I+ G6-<8 I 8$8$+( 1.'+()% ='/ 7) ',,';#)9 ,- ,#) 8$8)% 7/ '+/ -1 ,#) 1-..-:$+( =),#-9% '886-86$',)

1-6 ,#) =',)6$'. $+5-.5)9D

17.3.1 Steel Pipe

5)6 M0 == >> 2 $+> &SK %,)). 8$8)% '6) ,- 7) )V8'+9)9 $+,- %,)). 1.'+()% -6 ,#)/ ='/ 7)

%;6):)9 $+,- ,#) 1.'+()% '+9 %)'.U:).9)9> T#)/ ='/ $+ '.. ;'%)% 7) ',,';#)9 7/ 1<%$-+

:).9$+( $+ ;-=8.$'+;) :$,# ,#) 6)<$6)=)+,% -1 2UU2\ -1 ,#) ABS Rules for Materials and Welding (Part )> S='..)6 8$8)% ='/ 7) %;6):)9 :$,#-<, %)'.U:).9$+( 7<, $+ %,)'= '+9 -$.

.$+)% '6) $+ '99$,$-+ ,- 7) )V8'+9)9 $+,- ,#) 1.'+()% $+ -69)6 ,- )+%<6) <+$1-6=./ ,$(#, ,#6)'9%>

17.3.2 Nonferrous Pipe

I+ G6-<8 I +-+1)66-<% 8$8)% '6) ,- 7) 76'Y)9 ,- ;-=8-%$,$-+ =),'..$; -6 %,)). 1.'+()% '+9 $+

%$Y)% -1 M0 == >> 2 $+> &SK '+9 <+9)6 ,#)/ ='/ 7) %;6):)9>

17.5 Group II Piping Flanges

S$=$.'6 ',,';#=)+,% '6) '.%- ,- 7) <%)9 $+ G6-<8 II 8$8$+(> -:)5)6 =-9$1$;',$-+% '6) 8)6=$,,)9 1-6

:).9)9 1.'+()% '% +-,)9 $+ 2UU2\>J '+9 2UU2\>Q -1 ,#) ABS Rules for Materials and Welding (Part )'+9 %;6):)9 1.'+()% -1 %<$,'7.) =',)6$'. ='/ 7) <%)9 $+ '.. %$Y)%>




ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 231

4 S, CK+2+ S, ,7E ,-. OE6=9,6. D/+:K,60

C9--:2/9-+

19.1 General

19.1.1 Installation !"##+%

S)' ;#)%,% %)' 5'.5)% '+9 -5)67-'69 9$%;#'6() ;-++);,$-+% 7-.,)9 ,- ,#) %#).. 8.',$+( '6) ,-

#'5) ,#) 7-., #)'9% ;-<+,)6%<+3 -+ ,#) -<,%$9) '+9 ,#) 7-.,% ,#6)'9)9 ,#6-<(# ,#) 8.',$+(>

N#)6) ' 6)$+1-6;$+( 6$+( -1 %<11$;$)+, ,#$;3+)%% $% :).9)9 ,- ,#) $+%$9) -1 ,#) %#).. %,<9% ='/

7) <%)9>

T#6)'9)9 ;-++);,$-+% -<,7-'69 -1 ,#) %#).. 5'.5)% '6) +-, ;-+%$9)6)9 '+ ';;)8,'7.) =),#-9 -1

;-++);,$-+ 8$8) ,- ,#) %#)..>

19.1.2 Valve Connections to Shell

T#) :'.. ,#$;3+)%% -1 ,#) 8$8$+( 1$,,)9 7),:))+ ,#) %)' ;#)%, '+9 ,#) 5'.5) -6 ,#) %#).. '+9 ,#)5'.5) $% ()+)6'../ ,- 7) )V,6' #)'5/> -:)5)6 ,#) ,#$;3+)%% -1 ,#) 8$8) +))9 +-, #) (6)',)6

,#'+ ,#) ,#$;3+)%% -1 ,#) %#).. 8.',$+(> C'%, $6-+ $% +-, ,- 7) <%)9 1-6 '+/ ;-++);,$-+ ,- ,#)

%#).. +-6 1-6 '+/ 5'.5) ',,';#)9 ,- %<;# ;-++);,$-+% $1 .-;',)9 7).-: ,#) ='$+ 9);3> T#) <%)

-1 +-9<.'6 $6-+ '.%- 3+-:+ '% 9<;,$.) $6-+ -6 %8#)6-$9'.U(6'8#$,) $6-+K :$.. 7) ';;)8,)9

86-5$9)9 ,#) =',)6$'. #'% '+ ).-+(',$-+ +-, .)%% ,#'+ F2] $+ J0 == 2 $+>K> N'1)6 ,/8) 5'.5)%

'6) +-, ,- 7) <%)9 1-6 ;-++);,$-+% ,- ,#) 5)%%).^% %#).. <+.)%% %8);$'../ '886-5)9>

19.1.3 Valves Required !"##+% &-%$,$5) ;.-%$+( 5'.5)% '6) ,- 7) 1$,,)9 $+ 8<=8 -5)67-'69 9$%;#'6()%>

?',)6$'.% 6)'9$./ 6)+9)6)9 $+)11);,$5) 7/ #)', '6) +-, ,- 7) <%)9 1-6 ;-++);,$-+ ,- ,#) %#)..

:#)6) ,#) 1'$.<6) -1 ,#) =',)6$'. $+ ,#) )5)+, -1 ' 1$6) :-<.9 ($5) 6$%) ,- 9'+()6 -1 1.--9$+(>

19.3 Sea Chests

19.3.1 Location

T#) .-;',$-+% -1 %)' ;#)%,% '6) ,- 7) %<;# '% ,- =$+$=$Y) ,#) 86-7'7$.$,/ -1 7.'+3$+( -11 ,#)

%<;,$-+ '+9 '66'+()9 %- ,#', ,#) 5'.5)% ='/ 7) -8)6',)9 16-= ,#) 1.--6% -6 (6',$+(%> &-:)6U

-8)6',)9 %)' 5'.5)% '6) ,- 7) '66'+()9 1-6 ='+<'. -8)6',$-+ $+ ,#) )5)+, -1 ' 1'$.<6) -1 ,#)

8-:)6 %<88./>

19.3.2 Strainer Plates

S)' ;#)%,% '6) ,- 7) 1$,,)9 :$,# %,6'$+)6 8.',)% ', ,#) 5)%%).^% %$9)> T#) %,6'$+)6% '6) ,- #'5) ';.)'6 '6)' -1 ', .)'%, F>J ,$=)% ,#) '6)' -1 ,#) %)' 5'.5)%> 11$;$)+, =)'+% '6) ,- 7) 86-5$9)9

1-6 ;.)'6$+( ,#) %,6'$+)6%>

19.5 Scuppers

S;<88)6% -1 %<11$;$)+, +<=7)6 '+9 %$Y) '6) ,- 7) 1$,,)9 $+ '.. 9);3% '+9 '6) ,- 7) %- 8.';)9 '% ,-

86-5$9) )11);,$5) 96'$+'()> T#-%) .)'9$+( 16-= ,#) :)',#)6 8-6,$-+% -1 9);3% '6) ,- 7) .)9 -5)67-'69

'+9 ,#-%) .)'9$+( 16-= %8';)% 7).-: ,#) ='$+ 9);3 '6) ,- 7) .)9 ,- ,#) 7$.()% 7<, ='/ 7) .)9

-5)67-'69 $1 1$,,)9 :$,# )11$;$)+, '+9 ';;)%%$7.) =)'+% 1-6 86)5)+,$+( :',)6 16-= 8'%%$+( $+7-'69>

S;<88)6% '6) ,- 7) ='9) -1 %,)). 76-+Y) -6 -,#)6 '886-5)9 9<;,$.) =',)6$'.> 69$+'6/ ;'%, $6-+ -6

%$=$.'6 =',)6$'.% '6) +-, ,- 7) <%)9>




232 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

19.7 Sanitary Discharges

S'+$,'6/ 9$%;#'6()% .)9 ,#6-<(# ,#) 5)%%).^% %$9)% '6) ,- 7) 1$,,)9 :$,# )11$;$)+, '+9 ';;)%%$7.) =)'+%

1-6 86)5)+,$+( :',)6 16-= 8'%%$+( $+7-'69 :#)+ ,#) $+7-'69 -8)+ )+9 $% .-;',)9 7).-: ,#) ='$+ 9);3>

)$,#)6 ,#) %#$8 %#).. 5'.5) +-6 $,% ;-++);,$-+ ,- ,#) %#).. $% ,- 7) ='9) -1 ;'%, $6-+> T#) <%) -1

+-9<.'6 $6-+ '.%- 3+-:+ '% 9<;,$.) $6-+ -6 %8#)6-$9'.U(6'8#$,) $6-+K :$.. 7) ';;)8,)9 86-5$9)9 ,#)=',)6$'. #'% '+ ).-+(',$-+ +-, .)%% ,#'+ F2] $+ J0 == 2 $+>K>

4 C9976 I-+2,77,2/9-+ 26-,7 29 2K (77

21.1 General

+.)%% ,#)$6 -=$%%$-+ $% 8)6=$,,)9 7/ UU2\2F> -6 UU2\2F>J 8-%$,$5) ;.-%$+( 5'.5)% '6) ,- 7) 1$,,)9

', ,#) .-;',$-+% :#)6) ,#) 8$8)% )V$, '+9 6)U)+,)6 ,#) %#)..>

T#) $+.), '+9 9$%;#'6() ;-++);,$-+% -1 )V,)6+'. ;--.)6 $+%,'..',$-+% '6) ,- 7) $+ ';;-69'+;) :$,#

UU2\F>F>2 )V;)8, ,#', :'1)6 ,/8) 5'.5)% :$.. 7) ';;)8,'7.)>

21.3 Integral Keel Cooler Installations

T#) 8-%$,$5) ;.-%$+( 5'.5)% 6)<$6)9 7/ UU2\2F>F +))9 +-, 7) 86-5$9)9 $1 ,#) 3)). %3$+K ;--.)6

$+%,'..',$-+ $% $+,)(6'. :$,# ,#) #<..> T- 7) ;-+%$9)6)9 $+,)(6'. :$,# ,#) #<.. ,#) $+%,'..',$-+ $% ,- 7)

;-+%,6<;,)9 %<;# ,#', ;#'++).% '6) :).9)9 ,- ,#) #<.. :$,# ,#) #<.. %,6<;,<6) 1-6=$+( 8'6, -1 ,#)

;#'++). ,#) ;#'++). =',)6$'. $% ,- 7) ', .)'%, ,#) %'=) ,#$;3+)%% '+9 <'.$,/ '% ,#', 6)<$6)9 1-6 ,#)

#<.. '+9 ,#) 1-6:'69 )+9 -1 ,#) ;--.)6 $% ,- 7) 1'$6)9 ,- ,#) #<.. :$,# ' %.-8) -1 +-, (6)',)6 ,#'+ ,- F>

I1 8-%$,$5) ;.-%$+( 5'.5)% '6) +-, 6)<$6)9 ', ,#) %#).. '.. 1.)V$7.) #-%)% -6 [-$+,% '6) ,- 7) 8-%$,$-+)9

'7-5) ,#) 9))8)%, .-'9 :',)6.$+) -6 7) 86-5$9)9 :$,# '+ $%-.',$-+ 5'.5)>

21.5 Non-integral Keel Cooler Installations !"##+% N#)6) +-+U$+,)(6'. 3)). ;--.)6% '6) <%)9 $1 ,#) %#).. 8)+),6',$-+% '6) +-, 1<../ :).9)9 ,#) 8)+),6',$-+

$% ,- 7) )+;'%)9 $+ ' :',)6,$(#, )+;.-%<6)>

-+U$+,)(6'. ;--.)6 $+%,'..',$-+% :#$;# '6) 1<../ 6);)%%)9 $+,- ,#) #<.. '+9 86-5$9)9 :$,# '9)<',)

86-,);,$-+ ='/ 7) ';;)8,)9 :$,#-<, ,#) %#).. 5'.5) 86-5$9)9 '.. $+7-'69 8$8$+( $% )V,6' #)'5/ '+9 '+/

+-+U=),'..$; 1.)V$7.) #-%) $% '7-5) ,#) 9))8)%, :',)6.$+) :#$;# $% ,- 7) $+9$;',)9 -+ ,#) 8.'+>

-+U$+,)(6'. 3)). ;--.)6% '6) ,- 7) %<$,'7./ 86-,);,)9 '('$+%, 9'='() 16-= 9)76$% '+9 (6-<+9$+( 7/

6);)%%$+( ,#) <+$, $+,- ,#) #<.. -6 7/ ,#) 8.';)=)+, -1 86-,);,$5) (<'69%>



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P A R T S e c t i o n 3 : B i l g e a n d B a l l a s t S y s t e m s a n d T a n k s

$C H A P T E R 3 '()*+ ,-. '/*/-0 S1+2)+

S E C T I O N 3 B/70 ,-. B,77,+2 S1+2)+ ,-.

T,-P+

4 B/70 ,-. B,77,+2 S1+2)+ H96 S7HQ*69*77. ++7+

1.1 General

A %',$%1';,-6/ 8<=8$+( 8.'+, $% ,- 7) 86-5$9)9 $+ '.. 5)%%).% ;'8'7.) -1 8<=8$+( 16-= '+9 96'$+$+(

'+/ ;-=8'6,=)+,> -6 ,#$% 8<68-%) :$+( %<;,$-+% :$.. -1,)+ 7) +);)%%'6/ )V;)8, $+ +'66-: ;-=8'6,=)+,%>

A66'+()=)+,% '6) ,- 7) ='9) :#)6)7/ :',)6 $+ ,#) ;-=8'6,=)+, :$.. 96'$+ ,- ,#) %<;,$-+ 8$8)%>

11$;$)+, =)'+% '6) ,- 7) 86-5$9)9 1-6 96'$+$+( :',)6 16-= '.. ,'+3 ,-8% '+9 -,#)6 :',)6,$(#, 1.',%>

&)'3 ,'+3% ='/ 7) 96'$+)9 7/ )[);,-6% -6 #'+9 8<=8%> B$.() %/%,)=% 1-6 8'%%)+()6 5)%%).% (6)',)6

,#'+ F00 (6-%% ,-+% '6) '.%- ,- ;-=8./ :$,# UU\>

1.3 Pumps

A.. 5)%%).% 20 = MJ 1,K $+ .)+(,# -6 (6)',)6 '6) ,- 7) 86-5$9)9 :$,# ,:- 8-:)6U96$5)+ 7$.() 8<=8%

-+) -1 :#$;# ='/ 7) ',,';#)9 ,- ,#) 86-8<.%$-+ <+$,> E)%%).% 7).-: 20 = MJ 1,K '6) ,- 7) 86-5$9)9

:$,# -+) 8-:)6U96$5)+ 7$.() 8<=8 :#$;# ='/ 7) '+ ',,';#)9 <+$, '+9 -+) %<$,'7.) #'+9 8<=8>

&-:)6U96$5)+ 7$.() 8<=8 ;'8';$,/ $% ,- 7) $+ ';;-69'+;) :$,# ,#) 1-..-:$+(D

Vessel ength Minimum Capacity per Pump

B).-: 20 = MJ 1,K J>J =\#6 2J (8=K

20 = MJ 1,K -6 (6)',)6 FF>0 =\#6 J0 (8=K

1.5 Bilge and Ballast Piping

1.5.1 General

T#) '66'+()=)+, -1 ,#) 7$.() '+9 7'..'%, 8<=8$+( %/%,)=% $% ,- 7) %<;# '% ,- 86)5)+, ,#)

8-%%$7$.$,/ -1 :',)6 -6 -$. 8'%%$+( $+,- ,#) ;'6(- '+9 =';#$+)6/ %8';)% -6 16-= -+) ;-=8'6,=)+,

,- '+-,#)6 :#),#)6 16-= ,#) %)' :',)6 7'..'%, -6 -$. ,'+3%> T#) 7$.() '+9 7'..'%, ='$+% '6) ,-

#'5) %)8'6',) ;-+,6-. 5'.5)% ', ,#) 8<=8%>



Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 3 Bilge and Ballast Systems and Tanks 4-3-3

234 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

1.5.2 Installation

B$.() -6 7'..'%, 8$8)% 8'%%$+( ,#6-<(# ;-=8'6,=)+,% $+,)+9)9 1-6 ,#) ;'66$'() -1 -$. '6) ,- 7)

-1 )$,#)6 %,)). -6 :6-<(#, $6-+>

N#)6) 7$.() -6 7'..'%, 8$8)% 8'%% ,#6-<(# ,'+3% )11$;$)+, =)'+% '6) ,- 7) 86-5$9)9 ,- 86)5)+,,#) 1.--9$+( -1 ,#) #-.9% $+ ,#) )5)+, -1 ' 8$8) 76)'3$+( -6 [-$+, .)'3$+( $+ ,#) ,'+3%> S<;#

=)'+% ='/ ;-+%$%, -1 '+ -$.U,$(#, -6 :',)6,$(#, ,<++). -6 ='3$+( ,#) .$+)% -1 )V,6'U#)'5/ %,)).

8$8) 86-8)6./ $+%,'..)9 ,- ,'3) ;'6) -1 )V8'+%$-+ '+9 #'5$+( '.. [-$+,% :$,#$+ ,#) ,'+3 :).9)9

-6 )V,6'U#)'5/ 1.'+()9 [-$+,%> T#) +<=7)6 -1 1.'+()9 [-$+,% $% ,- 7) 3)8, ,- ' =$+$=<=> N#)+

' ,<++). $% +-, )=8.-/)9 '+9 ,#) .$+) 6<+% ,#6-<(# ' 9))8 ,'+3 7$.() 8$8)% '6) ,- #'5)

+-+U6),<6+ 5'.5)% 1$,,)9 ', ,#) -8)+ )+9%>

1.5.3 Manifolds, Cocks and Valves

A.. ='+$1-.9% ;-;3% '+9 5'.5)% $+ ;-++);,$-+ :$,# ,#) 7$.() 8<=8$+( '66'+()=)+, '6) ,- 7)

$+ 8-%$,$-+% :#$;# '6) ';;)%%$7.) ', '.. ,$=)% <+9)6 -69$+'6/ ;$6;<=%,'+;)%> A.. 5'.5)% $+ ,#)

=';#$+)6/ %8';) ;-+,6-..$+( ,#) 7$.() %<;,$-+% 16-= ,#) 5'6$-<% ;-=8'6,=)+,% '6) ,- 7) -1 ,#)

%,-8U;#);3 ,/8)> I1 5'.5)% '6) 1$,,)9 ', ,#) -8)+ )+9% -1 8$8)% ,#)/ '6) ,- 7) -1 ,#) +-+U6),<6+,/8)>

1.5.4 Strainers

B$.() .$+)% $+ =';#$+)6/ %8';)% '6) ,- 7) 1$,,)9 :$,# %,6'$+)6% )'%$./ ';;)%%$7.) 16-= ,#) 1.--6

8.',)% '+9 '6) ,- #'5) %,6'$(#, ,'$. 8$8)% ,- ,#) 7$.()%> T#) )+9% -1 7$.() .$+)% $+ -,#)6

;-=8'6,=)+,% '6) ,- 7) 1$,,)9 :$,# %<$,'7.) %,6'$+)6% #'5$+( '+ -8)+ '6)' -1 +-, .)%% ,#'+ ,#6))

,$=)% ,#) '6)' -1 ,#) %<;,$-+ 8$8)> I+ '99$,$-+ %,6'$+)6% '6) ,- 7) 1$,,)9 $+ ';;)%%$7.) 8-%$,$-+%

7),:))+ ,#) 7$.() ='+$1-.9% '+9 ,#) 8<=8%> T#) +<=7)6 '+9 %$Y)% -1 %<;,$-+% $+ ,#) =';#$+)6/

%8';)% '6) %<7[);, ,- %8);$'. ;-+%$9)6',$-+>

1.5.5 Size of Bilge SuctionsT#) .)'%, $+,)6+'. 9$'=),)6 -1 7$.() %<;,$-+ 8$8)% $% ,- 7) ,#', -1 ,#) +)'6)%, ;-==)6;$'. %$Y)

:$,#$+ M == 0>2J $+>K -1 ,#) 9$'=),)6 9),)6=$+)9 7/ ,#) 1-..-:$+( )<',$-+%D

1.5.5(a) Main ine. -6 ,#) 9$'=),)6 -1 ='$+ 7$.() .$+) %<;,$-+% '+9 9$6);, 7$.() %<;,$-+% ,-

,#) 8<=8%D

d d 2J s F>MO K D B 4 == d d F s 2J00\K D B 4 $+>

1.5.5(b) Branch ines. -6 ,#) )<$5'.)+, 9$'=),)6 -1 ,#) ;-=7$+)9 76'+;# %<;,$-+% ,- '

;-=8'6,=)+,D

d d 2J s 2>FM K D Bc 4 == d d F s FJ00\K D Bc 4 $+>

:#)6)

d d $+,)6+'. 9$'=),)6 -1 8$8) $+ == $+K

d .)+(,# -1 5)%%). '% 9)1$+)9 $+ UFUF\ $+ = 1,K

B d 76)'9,# -1 5)%%). '% 9)1$+)9 $+ UFUF\J $+ = 1,K

c d .)+(,# -1 ;-=8'6,=)+, $+ = 1,K

D d =-.9)9 9)8,# '% 9)1$+)9 $+ UFUF\Q $+ = 1,K

1.5.5(c) Main ine Reduction. N#)6) )+($+) 6--= 7$.() 8<=8% '6) 1$,,)9 86$='6$./ 1-6 96'$+'()

:$,#$+ ,#) )+($+) 6--= ='/ 7) 6)9<;)9 7/ ,#) ;-=7$+)9 .)+(,# -1 ,#) ;'6(- ,'+3% -6 ;'6(-

#-.9%> I+ %<;# ;'%)% ,#) ;6-%% %);,$-+'. '6)' -1 ,#) 7$.() ='$+ $% +-, ,- 7) .)%% ,#'+ ,:$;) ,#)

6)<$6)9 ;6-%% %);,$-+'. '6)' -1 ,#) )+($+) 6--= 76'+;# .$+)%>




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1.5.5(d) Size imits. - ='$+ -6 76'+;# %<;,$-+ 8$8$+( $% ,- 7) .)%% ,#'+ O == F>J $+>K +-6

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1.5.6 Bilge Common-main !"##,%

T#) 9$'=),)6 -1 )';# ;-==-+U='$+ 7$.() .$+) ='/ 7) 9),)6=$+)9 7/ ,#) )<',$-+ 1-6 7$.() 76'+;#)% ($5)+ $+ UU\F>J>J7K <%$+( ,#) ;-=7$+)9 ;-=8'6,=)+, .)+(,# <8%,6)'= -1 ,#)

8-$+, :#)6) ,#) 9$'=),)6 $% 7)$+( 9),)6=$+)9> I+ ;'%) -1 9-<7.) #<.. ;-+%,6<;,$-+ :$,# 1<..

9)8,# :$+( ,'+3% %)65)9 7/ ' 7'..'%, %/%,)= :#)6) ,#) 7)'= -1 ,#) 5)%%). $% +-,

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76)',# -1 ,#) ;-=8'6,=)+,> -:)5)6 +- ;-==-+U='$+ 7$.() 8$8) +))9% ,- 7) =-6) ,#'+ ,#)

9$'=),)6 1-6 ,#) 7$.() ='$+ ($5)+ $+ UU\F>J>J'K>

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3.1 General

&'%%)+()6 5)%%).% (6)',)6 ,#'+ F00 (6-%% ,-+% '6) ,- 7) 86-5$9)9 :$,# 7$.() %/%,)=% ;-=8./$+( :$,#

UU\F $+ '99$,$-+ ,- ,#) 1-..-:$+(>

3.3 Bilge Piping System

3.3.1 General

T#) 7$.() 8<=8$+( %/%,)= $% ,- 7) ;'8'7.) -1 -8)6',$-+ <+9)6 '.. 86';,$;'7.) ;-+9$,$-+% '1,)6

' ;'%<'.,/ :#),#)6 ,#) 5)%%). $% <86$(#, -6 .$%,)9> -6 ,#$% 8<68-%) :$+( %<;,$-+% '6) ,-

()+)6'../ 7) 1$,,)9 )V;)8, $+ +'66-: ;-=8'6,=)+,% ', ,#) )+9 -1 ,#) 5)%%). :#)6) -+) %<;,$-+

='/ 7) %<11$;$)+,> I+ ;-=8'6,=)+,% -1 <+<%<'. 1-6= '99$,$-+'. %<;,$-+% ='/ 7) 6)<$6)9>

A66'+()=)+,% '6) ,- 7) ='9) :#)6)7/ :',)6 $+ ,#) ;-=8'6,=)+, ='/ 1$+9 $,% :'/ ,- ,#)

%<;,$-+ 8$8)%> N#)6) ,#) 86-5$%$-+ -1 96'$+'() ='/ 1-6 8'6,$;<.'6 ;-=8'6,=)+,% 7) <+9)%$6'7.),#) 86-5$%$-+ -1 96'$+'() ,- ,#', ;-=8'6,=)+, :$.. 7) %8);$'../ ;-+%$9)6)9 $1 ;'.;<.',$-+%

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;-=8'6,=)+,>

3.3.2 Spindles

T#) %8$+9.)% -1 ,#) %)' $+.), '+9 9$6);, %<;,$-+ 5'.5)% '6) ,- )V,)+9 :).. '7-5) ,#) )+($+)

6--= 8.',1-6=>

3.3.3 Bilge Suctions

A.. 7$.() %<;,$-+ 8$8$+( <8 ,- ,#) ;-++);,$-+ ,- ,#) 8<=8% $% ,- 7) $+9)8)+9)+, -1 -,#)6 8$8$+(>

3.3.4 Direct Bilge Suction !"##+%

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%<;,$-+ .)9 9$6);,./ 16-= ,#) 86-8<.%$-+ =';#$+)6/ %8';) 7$.() ,- ,#) %<;,$-+ ='$+ -1 ,#)

8<=8 %- '66'+()9 ,#', $, ;'+ 7) -8)6',)9 $+9)8)+9)+,./ -1 ,#) 7$.() %/%,)=> T#) %$Y) -1 ,#$%

.$+) $% +-, ,- 7) .)%% ,#'+ ,#', 9),)6=$+)9 7/ UU\F>J>J'K> T#) 9$6);, 7$.() %<;,$-+ $% ,- 7)

;-+,6-..)9 7/ ' %,-8U;#);3 5'.5)>

I1 ' :',)6,$(#, 7<.3#)'9 %)8'6',)% ,#) 86-8<.%$-+ =';#$+)6/ %8';) $+,- ;-=8'6,=)+,% %<;#

9$6);, 7$.() %<;,$-+ $% ,- 7) 1$,,)9 16-= )';# ;-=8'6,=)+, <+.)%% ,#) 8<=8% '5'$.'7.) 1-6

7$.() %)65$;) '6) 9$%,6$7<,)9 ,#6-<(#-<, ,#)%) ;-=8'6,=)+,%> I+ %<;# ' ;'%) ', .)'%, -+) 8<=8

:$,# ' 9$6);, %<;,$-+ $% ,- 7) 1$,,)9 $+ )';# ;-=8'6,=)+,>




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3.3.5 Manifolds, Cocks and Valves

?'+$1-.9% ;-;3% '+9 5'.5)% $+ ;-++);,$-+ :$,# ,#) 7$.() 8<=8$+( %/%,)= '6) ,- 7) %-

'66'+()9 ,#', $+ ,#) )5)+, -1 1.--9$+( -+) -1 ,#) 7$.() 8<=8% ='/ 7) -8)6',$5) -+ '+/

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-1 ' .$+) 96':+ ', -+)U1$1,# -1 ,#) 76)'9,# -1 ,#) 5)%%). $% +-, ,- 8<, ,#) 7$.() %/%,)= -<, -1 ';,$-+> I1 ,#)6) $% -+./ -+) %/%,)= -1 8$8)% ;-==-+ ,- '.. ,#) 8<=8% ,#) +);)%%'6/ 5'.5)% 1-6

;-+,6-..$+( ,#) 7$.() %<;,$-+% '6) ,- 7) ;'8'7.) -1 7)$+( -8)6',)9 16-= '7-5) ,#) 7<.3#)'9

9);3> I1 '+ )=)6()+;/ 7$.() 8<=8$+( %/%,)= $% 1$,,)9 $, $% ,- 7) $+9)8)+9)+, -1 ,#) ='$+

%/%,)= '+9 %- '66'+()9 ,#', ' 8<=8 $% ;'8'7.) -1 -8)6',$+( -+ '+/ ;-=8'6,=)+, <+9)6

1.--9$+( ;-+9$,$-+ '% %8);$1$)9 $+ UU\>>F> I+ ,#', ;'%) -+./ ,#) 5'.5)% +);)%%'6/ 1-6 ,#)

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9);3>

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3.5 Bilge Pumps

3.5.1 Number of Pumps

A, .)'%, ,:- 8-:)6 8<=8% '6) ,- 7) 1$,,)9 '+9 ;-++);,)9 ,- ,#) 7$.() ='$+ -+) -1 :#$;# ='/

7) 96$5)+ 7/ ,#) 86-8<.%$-+ =';#$+)6/>

3.5.2 Location

N#)6) 86';,$;'7.) ,#) 8-:)6 7$.() 8<=8% '6) ,- 7) 8.';)9 $+ %)8'6',) :',)6,$(#, ;-=8'6,=)+,%

'+9 %- '66'+()9 -6 %$,<',)9 ,#', ,#)%) ;-=8'6,=)+,% :$.. +-, 7) 1.--9)9 7/ ,#) %'=) 9'='()>

I1 ,#) ='$+ 86-8<.%$-+ =';#$+)6/ '<V$.$'6/ =';#$+)6/ '+9 7-$.)6% '6) $+ ,:- -6 =-6) :',)6,$(#,

;-=8'6,=)+,% ,#) 8<=8% '5'$.'7.) 1-6 7$.() %)65$;) '6) ,- 7) 9$%,6$7<,)9 '% 1'6 '% $% 8-%%$7.)

,#6-<(#-<, ,#)%) ;-=8'6,=)+,%>

3.5.3 Arrangement

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,- 7) 96'$+)9>

3.5.4 Capacity

T#) 6)<$6)9 ;'8';$,/ _ -1 )';# 7$.() 8<=8 $% ,- 7) 9),)6=$+)9 16-= ,#) 1-..-:$+( )<',$-+D

_ d

F000

MM>J 2d =\#6 _ d FM>Fd 2 (8=

:#)6)

d d $+,)6+'. 9$'=),)6 -1 ='$+ 7$.() .$+) %<;,$-+ $+ == $+>K 6)<$6)9 7/UU\F>J>J'K -6 UU\F>J>J;K

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5.1 Unmanned Barges

N#)6) 7'6()% '6) 1$,,)9 :$,# 7).-: 9);3 =';#$+)6/ %8';)% -6 :#)6) 1$V)9 8$8$+( %/%,)=% '6) .)9,#6-<(# 5-$9 %8';)% ' %',$%1';,-6/ =)'+% $% ,- 7) 86-5$9)9 ;'8'7.) -1 8<=8$+( 16-= '+9 96'$+$+(%<;# %8';)%> T#$% =)'+% ='/ 7) 7/ <%) -1 %<$,'7.) #'+9 8<=8% ,#6-<(# 1$V)9 7$.() 8$8$+( '66'+()=)+,%-6 7/ =)'+% -1 8-6,'7.) 8<=8% %,-6)9 -+7-'69 ,#) 7'6()> A.,)6+',) '66'+()=)+,% :$.. 7) ;-+%$9)6)9$+ ;'%) -1 7'6()% :#)6) %8);$'. ;-+9$,$-+% 86)5'$.>

5.3 Manned Barges

B'6()% #'5$+( 1';$.$,$)% 1-6 M 8)6%-+% -6 =-6) '6) ,- 7) 86-5$9)9 :$,# ' 1$V)9 8-:)6 -8)6',)9 7$.()%/%,)= ;'8'7.) -1 8<=8$+( 16-= '+9 96'$+$+( '+/ ;-=8'6,=)+, 7).-: ,#) 16))7-'69 -6 7<.3#)'99);3> A, .)'%, ,:- 8-:)6 96$5)+ 7$.() 8<=8% '6) ,- 7) 86-5$9)9 '+9 )';# 8<=8 $% ,- #'5) ' ;'8';$,/-1 +-, .)%% ,#'+ FF> =\#-<6 J0 (8=K> B$.() ='$+ '+9 76'+;# %);,$-+ %$Y)% '6) ,- ;-=8./ :$,#

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-2 S9(-./-0 ,-. OE6H79R '/*+

7.1 General

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7.3 Size

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7.5 Termination !"##)%

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Note ?)%# ;-<+, $% 9)1$+)9 '% ' +<=7)6 -1 -8)+$+(% $+ ' .$+)'. ;= $+;#K ;-<+,)9 16-= ,#) ;)+,)6 -1 '+/ :$6) ,- ,#);)+,)6 -1 ' 8'6'..). :$6)>

S9(-./-0

9.1 General

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9.3 Sounding Pipes

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9.3.1 Oil Tanks

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9.3.2 Other Tanks

A %;6): ;'8 %);<6)9 ,- ,#) 8$8) :$,# ' ;#'$+ -6 ' (',) 5'.5) $% 6)<$6)9>

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9.5 Gauge Glasses

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P A R T S e c t i o n 4 : F u e l O i l a n d L u b r i c a t i n g O i l S y s t e m s a n d T a n k s

$C H A P T E R 3 '()*+ ,-. '/*/-0 S1+2)+

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1.1 General

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1.3 Pipes in Oil Tanks

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1.5 Control Valves or Cocks

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1.7 Valves on Oil Tanks

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Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 4 Fuel Oil and Lubricating Oil Systems and Tanks 4-3-4

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1.7.2 Valve Operators !"##&%

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1.7.3 Filling Lines

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1.9 Overflows and Drains

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1.11 Fuel Oil Purifiers !'(()% N#)6) 1<). -$. 8<6$1$)6% 1-6 #)',)9 -$. '6) $+%,'..)9 ,#) '66'+()=)+, $% ,- 7) $+ ';;-69'+;) :$,#UUF\2F>

1.13 Fuel Oil Inection System

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Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 4 Fuel Oil and Lubricating Oil Systems and Tanks 4-3-4

ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 241

3 L(=6/:,2/-0 O/7 S1+2)

3.1 General

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3.3 Oil Filters

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3.5 Protective Features

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P A R T S e c t i o n 5 : I n t e r n a l C o m b u s t i o n E n g i n e S y s t e m s

$C H A P T E R 3 '()*+ ,-. '/*/-0 S1+2)+

S E C T I O N > I-26-,7 C9)=(+2/9- -0/-

S1+2)+

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1.1 General

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1.5 Direct Cooling System

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T#$% &'() I+,)+,$-+'../ L)1, B.'+3



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P A R T S e c t i o n 6 : C a r g o S y s t e m s

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1.1 Cargo Pumps

1.1.1 Construction

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1.1.2 Installation

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1.1.3 Relief Valve and Bypass

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1.1.4 Pressure Gauges

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Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 6 Cargo Systems 4-3-6

246 ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667

1.3 Cargo Piping Systems

1.3.1 General

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1.3.2 Suctions

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1.3.3 Operating Rod Stuffing Boxes

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1.5 Other Piping Systems

1.5.1 Pump Room and Cofferdam Bilge Systems ! "##( %

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76$9()1.5.2 Piping Through Cargo Tanks

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1.7 Venting Systems

1.7.1 General

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1.7.2 Cargo Oil With Flash Point Above 27°C (80°F)

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1.7.3 Inert Gas System

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1.7.4 Cofferdams

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1.9 Inert Gas System Requirements

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1.9.1 Pressure

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1.9.2 Blower Isolating Valves

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1.9.3 Demister

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1.9.4 Gas Regulating Valve

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1.9.5 Blowers

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1.9.6 Fire Protection

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1.9.7 Venting

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1.9.8 Fuel Oil Shutdown

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1.9.9 Scrubber Cooling Pump

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1.11 Cargo Vapor Emission Control Systems

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3.1 General

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3.3 Dangerous Chemicals

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3.5 Liquefied Gases

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Rules for Materials and Welding (Part )>

3.7 Pressurized Gases

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3.9 Cargo Oil Piping

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3.11 Noncombustible Liquids

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Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 7 Cargo Transfer Systems for Dangerous Chemical Cargoes 4-3-7

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7.3 Service Temperature Below -18°C (0°F)

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9.1 Open Venting

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9.3 Pressure-Vacuum Venting

9.3.1 System Design

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9.3.2 Vent Line Capacity

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Number of Cargo Tanks Percent of Total Value Discharge

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9.3.3 Condensation

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9.5 Safety-Relief Venting

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11.3 Certification

C)6,$1$)9 ;-8$)% -1 ,#) 5'.5) ='+<1';,<6)6^% ;'8';$,/ ,)%,% 1-6 ,#) 6).$)1 5'.5)% -6 -,#)6 9',' )%,'7.$%#$+(

,#) 6).$)5$+( ;'8';$,/ '6) ,- 7) %<7=$,,)9>

11.5 Installation

S'1),/U6).$)1 5'.5)% '6) ,- 7) ',,';#)9 ,- ,#) ,'+3 +)'6 ,#) #$(#)%, 8-$+, -1 ,#) 5'8-6 %8';)> S#<,-11

5'.5)% '6) +-, ,- 7) $+%,'..)9 7),:))+ ,#) ,'+3% '+9 %'1),/U6).$)1 5'.5)% )V;)8, ='+$1-.9% 1-6 =-<+,$+(=<.,$8.) %'1),/U6).$)1 5'.5)% ='/ 7) 1$,,)9 :$,# $+,)6.-;3$+( %#<,-11 5'.5)% %- '66'+()9 ', '.. ,$=)% '%

,- 8)6=$, ,#) 6)<$6)9 9$%;#'6() ;'8';$,/ ,#6-<(# ,#) -8)+ %'1),/U6).$)1 5'.5)%>

11.7 Tests

';# %'1),/U6).$)1 5'.5) $% ,- 7) ,)%,)9 $+ ,#) 86)%)+;) -1 ,#) S<65)/-6 7)1-6) 7)$+( 8.';)9 $+ %)65$;)>

T#) 6).$)1 5'.5)% '6) ,- 7) .$1,)9 16-= ,#)$6 %)',% 7/ 86)%%<6) $+ ,#) 86)%)+;) -1 ' S<65)/-6 ,- 5)6$1/

,#', )';# 6).$)1 5'.5) $% %), ,- 9$%;#'6() ', ' 86)%%<6) +-, $+ )V;)%% -1 ,#) ,'+3 9)%$(+ 86)%%<6)>




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43 '6++(6 ++7+

&6)%%<6) 5)%%).% ;'66/$+( .$<)1$)9 ('%)% <+9)6 86)%%<6) +))9 +-, 7) 1$,,)9 :$,# ,'+3 .)5). ('<()%

:#)6) ;-+,';, :$,# ,#) ('% :-<.9 7) #'Y'69-<%> S<;# ('%)% '6) ,- 7) .-'9)9 $+ ';;-69'+;) :$,#

=),#-9% 6);-==)+9)9 7/ ,#) ('% ='+<1';,<6)6 '+9 <%<'../ $+5-.5) ;#'6($+( :)$(#)9 '=-<+,% -1 '.$<)1$)9 ('% $+,- ' ;'6(- ,'+3 <+,$. ,#) '..-:'7.) ,-,'. :)$(#, -1 ' ('% ;'6(- #'% 7))+ .-'9)9 $+,- '

($5)+ ,'+3 ', ;-+,6-..$+( 86)%%<6) '+9 ,)=8)6',<6)> A 86)%%<6) ('<() $% ,- 7) 1$,,)9 ', )';# ;'6(- ,'+3

9<6$+( ,#) .-'9$+( '+9 <+.-'9$+( -1 ,#) ;-+,)+,% -1 )';# ,'+3 $+,)+9)9 1-6 ,#) ;'66$'() -1 ;-=86)%%)9

('%)%> -6 86)%%<6) 5)%%). ,/8) ,'+3% )';# '<,-=',$; 1.-', ;-+,$+<-<% 6)'9$+( ,'8) -6 %$=$.'6 ('<()

+-, =-<+,)9 9$6);,./ -+ ,#) ,'+3 -6 9-=) $% ,- 7) 1$,,)9 :$,# ' %#<,-11 9)5$;) .-;',)9 '% ;.-%) ,- ,#)

,'+3 '% 86';,$;'7.)>

4> C,609 T6,-+H6

15.1 General

C'6(- <+.-'9$+( '66'+()=)+,% :$.. 7) $+1.<)+;)9 7/ ,#) +',<6) -1 ,#) ;'6(- '+9 :#),#)6 ;'66$)9 $+

5)+,)9 (6'5$,/ ,'+3% -6 $+ 86)%%<6$Y)9 ,'+3%> C'6(- 8<=8% ='/ 7) <%)9 1-6 9$%;#'6($+( =-%, ;'6(-)%>

G6'5$,/ 5'8-6 -6 ('% 86)%%<6$Y',$-+ $+)6, ('% -6 :',)6 9$%8.';)=)+, ='/ 7) ;-+%$9)6)9 1-6 ;)6,'$+

;'6(-)% 86-5$9)9 ;-+%,6<;,$-+ -1 ,#) ,'+3 %,6<;,<6) $% %<$,'7.) 1-6 86)%%<6)% 86-9<;)9 9<6$+( 9$%8.';)=)+,

9$%;#'6()>

15.3 Cargo Pumps

C'6(- 8<=8% '6) ,- 7) 86)1)6'7./ -1 ,#) 5)6,$;'. %<7=)6()9 ,/8) 1'76$;',)9 -1 =',)6$'.% %<$,'7.) 1-6

,#) $+,)+9)9 %)65$;)> T#) %#'1, $% ,- 7) 1$,,)9 :$,# '+ )11);,$5) %)'. ,- 86);.<9) .)'3'() -1 ,#) ;'6(->

15.5 Pump ellsN#)6) 5)6,$;'. %<7=)6()9 ;'6(- 8<=8% '6) $+%,'..)9 $+ ;/.$+96$;'. 8<=8 :)..% .-;',)9 :$,#$+ ,#)

;'6(- ,'+3% ,#) '66'+()=)+, $% ,- 7) %<;# ,#', ,#) 8<=8 :)..% ;'+ 7) $%-.',)9 16-= ,#) ;'6(- ,-

8)6=$, ,#) 1.--9$+( -1 ,#) :)..% :$,# :',)6 -6 %<$,'7.) .$<$9 1-6 ,#) %'1) 6)=-5'. -1 ;'6(- 8<=8% 1-6

='$+,)+'+;) 8<68-%)%> T#) 8<=8 :)..% ='/ 7) .-;',)9 )V,)6+'. ,- ,#) ;'6(- ,'+3% 86-5$9)9 ,#)/ '6)

8.';)9 '% ;.-%) ,- ,#) ;)+,)6.$+) '+9 '6) '% 1'6 16-= ,#) 7-,,-= '+9 )+9% -1 ,#) 7'6() '% $% 86';,$;'7.)>

V,)6+'. 8<=8 :)..% '6) ,- 7) 9)%$(+)9 '+9 ;-+%,6<;,)9 ,- :$,#%,'+9 ,#) ='V$=<= 86)%%<6)% :#$;#

:-<.9 7) )V8);,)9 $+ %)65$;)>

15.7 Pump Prime Movers

C'6(- 8<=8 86$=) =-5)6% '6) ,- 7) .-;',)9 86)1)6'7./ $+ ,#) -8)+ '+9 1$,,)9 :$,# :)..U5)+,$.',)9

#--9% 1-6 86-,);,$-+ 16-= ,#) :)',#)6> S)) '.%- UFUF\FJ>>

15.9 Pressure Gauges

A 86)%%<6) ('<() $% ,- 7) $+%,'..)9 ', )';# 8<=8 9$%;#'6()> A99$,$-+'../ :#)6) ,#) 86)%%<6) ('<() $%

+-, 5$%$7.) 16-= ,#) 8<=8 ;-+,6-. %,',$-+ ' 86)%%<6) 9$%8.'/ $% ,- 7) 1$,,)9 ', %<;# %,',$-+>

15.11 Independent Tank Connections

C'6(- 8$8$+( $% ,- )+,)6 ,#) ;'6(- ,'+3% '7-5) ,#) :)',#)6 9);3 -6 ', ,#) ,-8 -1 ,#) ,'+3%> B-,,-=

)+,6/ -1 ;'6(- 8$8$+( $+,- $+9)8)+9)+, (6'5$,/ '+9 86)%%<6) ,'+3% $+ '%%-;$',$-+ :$,# )V,)6+'../ 1$,,)9

8<=8 :)..% :$.. 7) %<7[);, ,- %8);$'. ;-+%$9)6',$-+>




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15.13 Piping, Valves and Fittings

G6-<8 I '+9 G6-<8 II 8$8$+( '6) ,- 7) -1 %)'=.)%% -6 ).);,6$;U6)%$%,'+;)U:).9)9 %,)). -6 '..-/

;-=8',$7.) :$,# ,#) 6'+() -1 86-9<;,% ,- 7) #'+9.)9> T#) =$+$=<= ,#$;3+)%% -1 G6-<8 I ;'67-+ %,)).

8$8$+( $% ,- 7) '% 1-..-:%D

" L)%% ,#'+ F00 == $+>K I>> S;#)9<.) O0

" F00 == $+>K I>> '+9 -5)6 S;#)9<.) 0

G6-<8 II 8$8$+( $% ,- 7) ', .)'%, %,'+9'69 ,#$;3+)%%>

15.13.1 Design of Piping

A.. 8$8$+( %/%,)= ;-=8-+)+,% '6) ,- #'5) ' 86)%%<6) 6',$+( ', -8)6',$+( ,)=8)6',<6) +-, .)%%

,#'+ ,#) ='V$=<= 86)%%<6) ,- :#$;# ,#) %/%,)= ='/ 7) %<7[);,)9> C-=8-+)+, =',)6$'.% '6)

,- 7) ;-=8',$7.) :$,# ,#) ,/8) -1 ;'6(- ;'66$)9 '+9 %<7[);,)9 ,- ,#) 6)<$6)=)+,% -1 U2U\J

'+9 UUQ\F> &$8$+( :#$;# $% +-, 86-,);,)9 7/ ' 6).$)1 5'.5) -6 :#$;# ;'+ 7) $%-.',)9 16-= $,%

6).$)1 5'.5) $% ,- 7) 9)%$(+)9 1-6 ,#) (6)',)%, -1 ,#) 1-..-:$+(D

i) T#) ='V$=<= 5'8-6 86)%%<6) ', MbC FFJbK

ii) T#) ='V$=<= '..-:'7.) :-63$+( 86)%%<6) -1 ,#) ;'6(- ,'+3

iii) T#) 86)%%<6) -1 ,#) '%%-;$',)9 8<=8 -6 ;-=86)%%-6 6).$)1 5'.5)

iv) T#) ,-,'. 9$%;#'6() #)'9 -1 ,#) '%%-;$',)9 8<=8 -6 ;-=86)%%-6 :#)6) ' 9$%;#'6()

6).$)1 5'.5) $% +-, <%)9>

15.13.2 Valves and Fittings

E'.5)% '+9 1$,,$+(% $+ 8$8$+( %/%,)=% '6) ,- 7) %,)). -6 '..-/ ;-=8',$7.) :$,# ,#) 6'+() -1

86-9<;,% ,- 7) #'+9.)9 '+9 '6) +-, ,- 7) .)%% ,#'+ ASI FJ0 C.'%% -6 )<$5'.)+,> C-+%$9)6',$-+

:$.. 7) ($5)+ ,- ,#) ';;)8,'+;) -1 +-9<.'6 $6-+ ='..)'7.) $6-+ '+9 +-+U1)66-<% 5'.5)% '+9

1$,,$+(% :#)+ <%)9 $+ ';;-69'+;) :$,# ' 6);-(+$Y)9 %,'+9'69 86-5$9)9 ,#) =',)6$'. #'% '+

).-+(',$-+ +-, .)%% ,#'+ F2]>

15.13.3 Low Temperature Piping

L-: ,)=8)6',<6) 8$8$+( %/%,)=% '6) ,- 7) $+ ';;-69'+;) :$,# ,#) '88.$;'7.) 6)<$6)=)+,% -1

C#'8,)6 -1 ,#) ABS Rules for Materials and Welding (Part )>

15.15 Piping Flexibility Arrangements

&$8$+( $% ,- 7) 86-5$9)9 :$,# '9)<',) %<88-6, ,- ,'3) ,#) :)$(#, -1 ,#) 8$8$+( -1 5'.5)% '+9 1$,,$+(%

'+9 :#)6) %<7[);, ,- ' :$9) ,)=8)6',<6) 6'+() 86-5$%$-+ $% ,- 7) ='9) 1-6 )V8'+%$-+ '+9 ;-+,6';,$-+

)$,#)6 7/ =)'+% -1 8$8) 7)+9% .--8% -11%),% -6 $+9$5$9<'../ '886-5)9 7)..-:%U,/8) )V8'+%$-+ [-$+,%>

S.$8 [-$+,% '6) +-, ,- 7) <%)9>

15.17 Pipe Woints

&$8$+( $% ,- 7) [-$+)9 :$,# 7<,, :).9% :#)6)5)6 86';,$;'7.) '+9 1.'+()9 [-$+,% 3)8, ,- ' =$+$=<=>

S-;3), '+9 %.$8U-+ :).9)9 ;-++);,$-+% ='/ 7) <%)9 1-6 %$Y)% J0 == 2 $+>K '+9 %='..)6> T#6)'9)9

[-$+,% ='/ 7) <%)9 -+ ';;)%%-6/ .$+)% 1-6 %$Y)% 2J == F $+>K '+9 %='..)6 86-8)6./ 5'.5)9 -11 16-= ,#)

;'6(- .$+)%> N#)6) ,#6)'9)9 [-$+,% '6) <%)9 ,#)/ '6) ,- 7) 5$%$7.) '+9 ';;)%%$7.) 1-6 $+%8);,$-+ <+9)6

'.. %)65$;) ;-+9$,$-+%> I1 ,#) ,#6)'9)9 [-$+,% '6) %)'. :).9)9 ,#)/ +))9 +-, 7) )V8-%)9> T#)6) '6) ,- 7)

+- ,#6)'9)9 ;-++);,$-+% ,- ;'6(- ,'+3%>




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15.19 Cargo Filling Lines in Tanks

C'6(- 1$..$+( .$+)% '6) ,- #'5) ,#)$6 9$%;#'6() -8)+$+(% +)'6 ,#) 7-,,-= -1 ,#) ,'+3% )V;)8, $+ %8);$'.

;'6(- #'+9.$+( '66'+()=)+,% :#)6) ;'6(- 1$..$+( 96-8 .$+)% :-<.9 +-, 7) 86';,$;'7.)>

15.21 Spillage Containment

6$8 8'+% -6 -,#)6 %<$,'7.) ;-+,'$+=)+, '6) ,- 7) 86-5$9)9 :#)6) ;'6(- .)'3'() -6 %8$..'() 16-= ,#)

8$8$+( %/%,)= ='/ -;;<6 '+9 '66'+()9 ,- 86)5)+, .)'3'() 7)$+( :'%#)9 $+,- '+/ :',)6:'/ 9<6$+(

;'6(- .-'9$+( '+9 <+.-'9$+(>

15.23 Electrical Bonding

N#)6) 1.'=='7.) ;'6(-)% '6) ;'66$)9 '+9 ,#) ,'+3% -6 8$8$+( '6) %)8'6',)9 16-= ,#) 5)%%).^% %,6<;,<6)

7/ ,#)6='. $+%<.',$-+ -6 +-+=),'..$; ;#-;3$+( -6 .$+$+( =',)6$'. $+ :'/ -1 %<88-6,% 86-5$%$-+ $% ,- 7)

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7-+9)9> T'+3% -6 8$8$+( 8)6='+)+,./ ;-++);,)9 ,- ,#) #<.. 7/ =),'..$; 7-.,$+( :$.. 7) ;-+%$9)6)9 '%

7)$+( ).);,6$;'../ 7-+9)9>

4 '692:2/E 9(+/-0

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86)1)6'7./ 7/ (6-<8$+( ,#) +);)%%'6/ 1$.. 9$%;#'6() .$<$9 '+9 5'8-6 %#<,-11 5'.5)% '+9 %'1),/U6).$)1

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4 7:26/:,7

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4 F/6 2/-0(/+K/-0

R)<$6)=)+,% 1-6 1$6) )V,$+(<$%#$+( %/%,)=% '+9 )<$8=)+, '6) $+ UUF\2>

3 S,7E,0/-0 C9--:2/9-+

N#)6) %'.5'($+( ;-++);,$-+% '6) 1$,,)9 7),:))+ ,#) ;'6(- 8<=8 :)..% ,- 8)6=$, 6)=-5'. -1 :',)6

16-= ,#) 7<-/'+;/ %8';)% $+ '+ )=)6()+;/ ,:- 5'.5)% '6) ,- 7) 1$,,)9 7),:))+ ,#) ;'6(- 8<=8 :)..

'+9 %<;# <+:',)6$+( %/%,)=%> +) -1 ,#)%) 5'.5)% $% ,- 7) ;'8'7.) -1 7)$+( .-;3)9 $+ ,#) ;.-%)9

8-%$,$-+>




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TABLE 1Values of C for Use in Calculating Safety-Relief Valve Capacity

Constant Constant Constant k C k C k C

F>00 FJ F>0 JM F>O0 JQ

F>02 FO F>2 JO F>O2 OO

F>0 20 F> J F>O 0

F>0M 22 F>M MF F>OM F

F>0O 2 F>O M F>OO 2

F>F0 2Q F>J0 M F>0

F>F2 2 F>J2 MM F>2 J

F>F F F>J MO F> Q

F>FM F>JM M F>M O

F>FO J F>JO QF F>O

F>20 Q F>M0 Q2 2>00 00

F>22 F>M2 Q 2>02 0F

F>2 F F>M QM 2>20 F2

F>2M F>MM QQ

F>2O J F>MO Q

F>0 Q F>Q0 O0

F>2 F>Q2 O2

F> JF F>Q O

F>M J2 F>QM O

F>O J F>QO OM



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P A R T S e c t i o n 8 : O t h e r P i p i n g S y s t e m s a n d T a n k s

$C H A P T E R 3 '()*+ ,-. '/*/-0 S1+2)+

S E C T I O N Z O2K6 '/*/-0 S1+2)+ ,-. T,-P+

4 1.6,(7/: '/*/-0

1.1 Arrangements

T#) '66'+()=)+,% 1-6 G6-<8 I #/96'<.$; 8$8$+( %/%,)=% '6) ,- 7) $+ ';;-69'+;) :$,# ,#) 6)<$6)=)+,%

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;6'+)K '6) +-, ;-5)6)9 7/ ,#$% S);,$-+> &.'+% %#-:$+( ;.)'6./ ,#) '66'+()=)+,% '+9 9),'$.% '6) ,- 7)

%<7=$,,)9 1-6 6)5$):>

1.3 Valves

1.3.1 GeneralI+ ()+)6'. 5'.5)% '6) ,- ;-=8./ :$,# ,#) 6)<$6)=)+,% -1 UU2\FF>

1.3.2 Relief Valves

R).$)1 5'.5)% '6) ,- 7) 86-5$9)9 1-6 ,#) 86-,);,$-+ -1 ,#) #/96'<.$; %/%,)=> ';# 6).$)1 5'.5) $%

,- 7) ;'8'7.) -1 6).$)5$+( +-, .)%% ,#'+ 1<.. 8<=8 1.-: :$,# ' ='V$=<= 86)%%<6) 6$%) -1 +-,

=-6) ,#'+ F0] -1 ,#) 6).$)1 5'.5) %),,$+(>

1.5 Piping

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7/ ,#) S<65)/-6> I+ %<;# ;'%)% =$.. ;)6,$1$;',)% '6) ,- 7) 86-5$9)9>

1.7 Pipe Fittings

$,,$+(% '+9 1.'+()% '6) ,- =)), ,#) 6)<$6)=)+,% -1 UU2\F '+9 UU2\FJ )V;)8, '% 1-..-:%D

1.7.1 Non-standard Fittings

$,,$+(% :#$;# '6) +-, ;-+%,6<;,)9 ,- ' 6);-(+$Y)9 %,'+9'69 :$.. 7) %<7[);, ,- %8);$'.

;-+%$9)6',$-+> &.'+% %#-:$+( 9),'$.% -1 ;-+%,6<;,$-+ =',)6$'. '+9 9)%$(+ ;'.;<.',$-+% -6 ,)%,

6)%<.,% '6) ,- 7) %<7=$,,)9 1-6 6)5$):>

1.7.2 Split Flanges

S8.$, 1.'+()% '6) +-, ,- 7) <%)9 $+ %,))6$+( ()'6 %/%,)=%> T#) <%) -1 %8.$, 1.'+()% 1-6 '.. -,#)6

'88.$;',$-+% :$.. 7) %8);$'../ ;-+%$9)6)9>



Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 8 Other Piping Systems and Tanks 4-3-8

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1.7.3 Straight-thread, O-ring Connections

S,6'$(#,U,#6)'9 U6$+( ,/8) ;-++);,$-+% ='/ 7) <%)9 1-6 ;-++);,$-+% ,- )<$8=)+, %<;# '%

8<=8% 5'.5)% ;/.$+9)6% ';;<=<.',-6% ('<()% '+9 #-%)%> S<;# ;-++);,$-+% '6) +-, ,- 7)

<%)9 1-6 [-$+$+( %);,$-+% -1 8$8)>

1.7.4 Tapered-threaded Connections

T'8)6)9U,#6)'9)9 ;-++);,$-+% <8 ,- '+9 $+;.<9$+( O == >> $+> &SK ='/ 7) <%)9

:$,#-<, .$=$,',$-+% 1-6 ;-++);,$-+% ,- )<$8=)+, %<;# '% 8<=8% 5'.5)% ;/.$+9)6% ';;<=<.',-6%

('<()% '+9 #-%)%> T'8)6)9U,#6)'9)9 ;-++);,$-+% '6) +-, ,- 7) <%)9 $+ %,))6$+( ()'6 %/%,)=%

;-+,6-..'7.) 8$,;# 86-8)..)6 %/%,)=% '+9 -,#)6 %/%,)=% '%%-;$',)9 :$,# 86-8<.%$-+ -6 86-8<.%$-+

;-+,6-. )V;)8, :#)6) 8)6=$,,)9 7/ UU2\F> S<;# ;-++);,$-+% '6) +-, ,- 7) <%)9 1-6 [-$+$+(

%);,$-+% -1 8$8) )V;)8, :#)6) 8)6=$,,)9 7/ UU2\F>

1.9 Hose

-%) '%%)=7.$)% '6) ,- 7) $+ ';;-69'+;) :$,# UUF\Q>2F>

1.11 Accumulators

A;;<=<.',-6% '6) ,- =)), ,#) 6)<$6)=)+,% -1 &'6, C#'8,)6 -1 ,#) Steel Vessel Rules> ';#

';;<=<.',-6 :#$;# ='/ 7) $%-.',)9 $% ,- 7) 86-,);,)9 7/ %<$,'7.) 6).$)1 5'.5)%> N#)6) ' ('% ;#'6($+(

%/%,)= $% <%)9 ' 6).$)1 5'.5) $% ,- 7) 86-5$9)9 -+ ,#) ('% %$9) -1 ,#) ';;<=<.',-6>

1.13 Fluid Power Cylinders

.<$9 8-:)6 ;/.$+9)6% '6) ,- =)), ,#) 6)<$6)=)+,% -1 UMUQ\>J>J -1 ,#) Steel Vessel Rules>

1.15 Design Pressure

T#) 86)%%<6) <%)9 1-6 9),)6=$+$+( ,#) %,6)+(,# '+9 9)%$(+ -1 8$8$+( '+9 ;-=8-+)+,% $% +-, ,- 7) .)%%,#'+ ,#) 6).$)1 5'.5) %),,$+(>

1.17 Segregation of High Pressure Hydraulic Units in Machinery Spaces

/96'<.$; <+$,% :$,# :-63$+( 86)%%<6)% '7-5) FJ>J 7'6 FJ>O 3(1\;=2 22J 8%$K $+%,'..)9 :$,#$+

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-8)+ '% 1'6 '% 86';,$;'7.)> T#) $+%,'..',$-+ $% ,- ;-=8./ :$,# M CR S<78'6, JO>FM>



Part 4 Vessel Systems and MachineryChapter 3 Pumps and Piping SystemsSection 8 Other Piping Systems and Tanks 4-3-8

ABS "#$%& '(" )#*$+*,- .,+ /$.&&*,- &0%%$ 1%&&%$& '(" &%"1*/% (, "*1%"& 2 *,0"./(.&0.$ 3.0%"3.4& . 5667 259

> SK/* S6E/: A))9-/, S1+2) !'((+%

5.1 Compartmentation

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5.3 Safety Measures

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5.5 Ammonia Piping

A==-+$' 8$8$+( $% +-, ,- 8'%% ,#6-<(# ';;-==-9',$-+ %8';)%>



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! " # $ & ' ( ) * + , - . / 0 , + 1 2 * 0 3 4 5 0 6 ' 0 3 4 7 8 6 * + 9 6 ( 3 : 1 ; 5 0 ) 9 + 3 *

4& < " ! $ 1 # 4 Fire Extinguishing Systems and

Equipment

CONTENTS

SECTION 1 All Vessels ..........................................................................263 = >+3+,(? ABC

C >DE+,39+3*(? "5*'D,0*8ABC

F /0,+ 7(G+*8 H+(65,+6ABC

I !?(36 (3: J(*( ABC

I= !?(36 ABC

IC J(*( ABC

K /0,+ !59)6AB-

K= L59M+, DG !59)6 AB-

KC $8)+ (3: &()(N0*8 AB-

KF #+?0+G O(?E+6 AB-

== /0,+ H(036 ABF

=== 70P+ ABF

==C &DNQ6 D, O(?E+6 ABF

==F H(*+,0(?6 ABF

=C <8:,(3*6R <D6+6 (3: LDPP?+6 ABF

=C= <8:,(3*6ABF

=CC <D6+6ABB

=CF LDPP?+6 ABB

=F !D,*(M?+ 12*034506'+,6ABB

=I 7'5*:DS36 (3: &?D65,+6ABB =I= O+3*0?(*0D3 /(36 (3: T)+30346 ABB

=IC T*'+, "520?0(,0+6 ABI

=K /02+: /0,+ 12*034506'034 786*+96 GD, H(N'03+,87)(N+6ABI

=K= !,DE060D3 ABI

=KC &(,MD3 J0D20:+ 786*+96 ABI

=KF T*'+, /02+: >(6 12*034506'034 H+:059 ABK

A= 7+4,+4(*0D3 DG /5+? T0? !5,0G0+,6ABK

AC !,D*+N*0D3 DG &(,4D 7)(N+6ABK

AC= &(,4D O+66+?6 DG AUUU >,D66 $D36 (3: TE+, ABK

ACC /02+: /0,+V12*034506'034 786*+96 ABK

ACF /0,+ !,D*+N*0D3 D3 &'+90N(? W(,4+6 ABK




AF "::0*0D3(? #+;50,+9+3*6 GD, O+66+?6 X3*+3:+: *D &(,,8!(66+34+,6 AIU

AF= /02+: /0,+ J+*+N*0D3 (3: /0,+ "?(,9 786*+96R"5*D9(*0N 7),03Q?+,R /0,+ J+*+N*0D3 (3: /0,+"?(,9 786*+9AIU

AFC 7)+N0(? &(*+4D,8 7)(N+6 AIC

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AFI T*'+, &(,4D 7)(N+6AI-

AFK 7)+N0(? ",,(34+9+3*6 03 H(N'03+,8 7)(N+6AI-

AF== "?(,9 786*+96 AI-

AF=C >+3+,(? D, 7)+N0(? /0,+ "?(,9 AIF

AF=F !5M?0N "::,+66 786*+9AIF

AF=I !D,*(M?+ &D99530N(*0D3 1;50)9+3* AIF

AF=K /0,+ &D3*,D? !?(36AIF

$"WY1 = &?(660G0N(*0D3 DG !D,*(M?+ (3: 7+90V)D,*(M?+12*034506'+,6AIB

$"WY1 A !D,*(M?+ (3: 7+90V)D,*(M?+ 12*034506'+, YDN(*0D36AIB




! " # $ 7 + N * 0 D 3 = . " ? ? O + 6 6 + ? 6

4& < " ! $ 1 # 4 Fire Extinguishing Systems

7 1 & $ X T L 1 All Vessels

1 GeneralAll vessels are to be provided with fire extinguishing systems and fire protection equipment as outlined

in this Section.

3 Governmental Authority

Attention is directed to the appropriate governmental authority in each case, as there may be

additional requirements depending on the size, type and intended service of the vessel, as well as

other particulars and details. Consideration will be given to fire extinguishing systems which comply

with the published requirements of the governmental authority in which the vessel is to be registered.

5 Fire Safety Measures

Passenger vessels are to comply with the applicable requirements of Section 3-4-1.

7 Plans and Data

7.1 Plans

Before proceeding with the work, the following plans are to be submitted in triplicate together with

supporting data and particulars as applicable. See also 4-1-1/5.

" Arrangement and details of fire main systems

" Foam smothering systems

" Fire control pans

" Fixed fire extinguishing systems

" Fire detection systems

" Other fire extinguishing equipment and appliances

7.3 Data

The number and capacity of fire pumps is to be submitted as well as a list of the fire protectionequipment to be provided.



Part 4 Vessel Systems and MachineryChapter 4 Fire Extinguishing Systems and EquipmentSection 1 All Vessels 4-4-1


9 Fire Pumps

9.1 Number of Pumps

K== >+3+,(?

All self-propelled vessels, other than passenger vessels, are to be provided with at least one

fire pump. For vessels over 20 m (65 ft) in length, the pump is to be power-driven. For vessels

20 m (65 ft) in length and under, the pump may be hand-operated.

K=A !(66+34+, O+66+?6

Passenger vessels are to be provided with at least two independently-power-driven fire pumps.One of these pumps is to be dedicated for fire-fighting duties and available for such duties at

all times. The arrangements of the pumps, sea suctions and sources of power are to be such as

to ensure that if a fire or casualty in any one space could put all the pumps out of action, an

alternative means of providing water for fire-fighting purposes is to be provided. Thisalternative means is to be from a fixed independently-driven, power-operated fire pump

which has its source of power and sea connection located outside the machinery space. The

emergency fire pump is to have a capacity not less than 25 m3/hr (110 gpm) and is to becapable of simultaneously delivering 12 m (40 ft) jet throw from any two adjacent hydrants

located in accordance with 4-4-1/13.1.

9.3 Type and Capacity

KC= !DS+,V:,0E+3 !59)6

Sanitary, ballast, bilge or general-service pumps may be accepted as fire pumps. Each pumpis to be capable of providing a full supply of water to the fire hoses whereby at least two

powerful streams can be rapidly and simultaneously directed into any part of the vessel. Each power-driven pump is to be capable of producing the two streams of water with the throw at

any nozzle being at least 12 m (40 ft). For passenger vessels, the fire pumps required by

4-4-1/9.1.2 are to be capable of delivering for fire-fighting purposes at a pressure of at least3.1 kgf/cm2 (44 psi) a quantity of water not less than two-thirds the quantity required to be

dealt with by the bilge pumps when employed for bilge pumping. See 4-3-3/3.5.4.

KCA <(3:VD)+,(*+: !59)6

Each hand pump is to have a capacity of at least 1.1 m3/hr (5 gpm) and is to be equipped with

suction and discharge hoses suitable for use in fire-fighting. The hand pump may also serve as

a bilge pump.

9.5 Relief Valves

Relief valves are to be provided in connection with all power-driven fire pumps unless it can be

shown that the arrangements are such as to prevent excessive pressure in any part of the fire main

system.





11 Fire Mains

11.1 Size

All vessels for which power-driven fire pumps are required are to be fitted with a fire main system,including fire main, hydrants, hoses and nozzles. The diameter of the fire main is to be sufficient to

ensure an adequate supply of water for the simultaneous operation of at least the two fire hoses

required in 4-4-1/9.3.1.

11.3 Cocks or Valves

Cocks or valves are to be fitted in such positions on the pipes that any of the fire hoses may be removed

while the fire pumps are operating.

11.5 Materials !"99$% Materials readily rendered ineffective by heat are not to be used for fire mains unless adequately

protected. In order to be considered not Vreadily rendered ineffective by heatW, a component is to becertified as having passed an applicable recognized fire test, or the material is to have a melting

temperature higher then the test temperature specified in an applicable fire test.

13 Hydrants, Hoses and Nozzles

13.1 Hydrants !"99$% =C== >+3+,(?

The number and position of the hydrants is to be such that at least two streams of water, not

emanating from the same hydrant, may be directed to any part of the vessel. One of thesestreams is to be from a single length of hose not more than 23 m (75 ft) long for 38 mm (1.5 in.)

diameter hose or 15 m (50 ft) long for 63 mm (2.5 in.) diameter hose.

The pipes and hydrants are to be so placed that the fire hoses may be easily coupled to them.

In vessels where deck cargo may be carried, the positions of the hydrants are to be such that

they are always readily accessible and the pipes are to be arranged, as far as practicable, to

avoid risk of damage by such cargo.

Materials readily rendered ineffective by heat are not to be used for hydrants. See 4-4-1/11.5.

=C=A !(66+34+, O+66+?6

The requirement in 4-4-1/13.1.1 is to be met for any part of the vessel normally accessible to

the passengers or crew while the vessel is being navigated and any part of the cargo spacewhen empty, any ro-ro space or any special category space in which latter case the two jets

will reach any part of such space, each from a single length of hose. Furthermore, such

hydrants are to be positioned near the accesses to the protected spaces.

In the accommodation, service and machinery spaces, the number and position of the hydrants

are to be such that the above requirements may be complied with when all watertight doors

and all doors in main vertical zone bulkheads are closed.





13.3 Hoses !"99$% The number of fire hoses to be provided, each complete with couplings and nozzles, is to be one for

each 30 m (100 ft) length of the vessel and one spare. This number does not include any hoses

required in any machinery space. For passenger vessels, a hose is to be provided for each hydrant and

in interior locations in vessels carrying more than 36 passengers, fire hoses are to be connected to thehydrants at all times.

Fire hoses are to be of approved material. The minimum hose diameter for all vessels over 20 m

(65 ft) in length is to be not less than 38 mm (1.5 in.) diameter. For vessels 20 m (65 ft) and under,

19 mm (0.75 in.) diameter hose may be used. The hoses are to be sufficient in length to project a jet of

water to any of the spaces in which they may be required to be used. The maximum length of hose is

not to exceed 23 m (75 ft).

Each hose is to be provided with a nozzle and necessary couplings. Unless there is provided one hose

and nozzle for each hydrant in the vessel, there is to be complete interchangeability of hose couplings

and nozzles. Fire hoses, together with any necessary fittings and tools, are to be kept ready for use in

conspicuous positions near the water-service hydrants of connections.

13.5 Nozzles !"99$% =CF= >+3+,(?

The minimum internal diameter of hose nozzles is not to be less than 16 mm (5/8 in.), except

as indicated in 4-4-1/13.5.2 or 4-4-1/13.5.3. Nozzles for hoses attached to hydrants in themachinery spaces are to be suitable for spraying water on oil, or alternatively dual-purpose

nozzles. Fire hose nozzles of plastic type material, such as polycarbonate may be accepted

subject to review of their capacity and serviceability as marine use fire hose nozzles.

=CFA O+66+?6 =UU >,D66 $D36 (3: Z3:+,

The minimum internal diameter of nozzles may be 8 mm (5/16 in.). For vessels under 20 m(65 ft) in length, garden type nozzles may be used.

=CFC !(66+34+, O+66+?6

Standard nozzle sizes are to be 12 mm (0.5 in.), 16 mm (0.625 in.) and 19 mm (0.75 in.), or as

near thereto as possible. For accommodation and service spaces, a nozzle size greater than 12 mm

(0.5 in.) need not be used. For machinery spaces and exterior locations, the nozzle size is to

be such as to obtain the maximum discharge possible from two jets at the referenced pressures

in 4-4-1/9.3 from the smallest pump. However, a nozzle size greater than 19 mm (0.75 in.)

need not be used.

15 Portable Extinguishers

For all self-propelled vessels and all barges having facilities for 36 persons or more, portable extinguishers

are to be provided in the quantities and locations indicated in 4-4-1/Tables 1 and 2.

17 Shutdowns and Closures

17.1 Ventilation Fans and Openings !2009%

Means are to be provided for stopping ventilating fans serving machinery and cargo space s, and for

closing all doorways, ventilators and other openings to such spaces. These means are to be capable of

being manually operated from outside of such spaces in the event of a fire. See 4-5-2/17.1.1.





17.3 Other Auxiliaries !2009%

Machinery driving forced- and induced-draft fans, oil-fuel transfer pumps, oil-fuel unit pumps andother similar fuel pumps, fired equipment such as an incinerator, lubricating oil service pumps,thermal oil circulating pumps and oil separators (purifiers) are to be fitted with remote shutdowns

situated outside of the spaces concerned so that they may be stopped in the event of a fire arising inthe space. This need not apply to oily water separators. See 4-5-2/17.1.2.

In addition to the remote shutdowns required above, a means to shutdown the equipment is to be

provided within the space itself.

19 Fixed Fire Extinguishing Systems for Machinery Spaces

19.1 Provision

An approved fixed fire extinguishing system is to be provided for spaces containing any of the following:

i) Boiler, heater or incinerator of the oil-fired typeii) Oil-fuel unit used for the preparation and delivery of fuel oil to oil-fired boilers (including

incinerators and inert gas generators), internal-combustion engines or gas turbines at a pressure

of more than 1.8 kgf/ cm2, 26 psi).

iii) Internal-combustion engines where the aggregate total power output exceeds 375 k (500 HP)

and the vessels gross tonnage exceeds 500.

Paint lockers and flammable liquid lockers with a deck area of 4 m2 (43 ft2) or greater are also to be

fitted with a fixed fire extinguishing system.

19.3 Carbon Dioxide Systems

here a fixed carbon dioxide fire-extinguishing system is installed, the system is to comply with thefollowing requirements:

=KC=&8?03:+,6

Containers for the storage of fire-extinguishing medium and associated pressure components

are to be designed in accordance with Part 4, Chapter 4 of the Steel Vessel Rules. Means are to

be provided for the crew to safely check the quantity of medium in the containers.

=KCA 7*D,(4+

19.3.2(a) General. The cylinders are to be located outside the protected space in a room whichis situated in a safe and readily accessible location. The storage room is to be gastight andeffectively ventilated. The ventilation system is to be independent of the protected space. Anyentrance to the storage room shall be independent of the protected space. The access doors tothe storage space are to open outwards.

here space limitations do not permit the storage of extinguishing medium bottles in aseparate space, the arrangements are to be in accordance with the following:

i) The door between the storage location and the protected space is to be self-closingwith no hold-back arrangements.

ii) The space where cylinders are stored is to be adequately ventilated by a system whichis independent of the protected space.

iii) Means are to be provided to prevent unauthorized release of gas, such as containment behind a break glass.

iv) There is to be provision to vent the bottles to the atmosphere in order to prevent ahazard to personnel occupying the storage area.





19.3.2(b) Cargo Spaces (1 July 2007). Fire-extinguishing media protecting the cargo holds

(see 4-4-1/23.1) may be stored in a room located forward of the cargo holds, but aft of the

collision bulkhead, provided that both the local manual release mechanism and remote

control(s) for the release of the media are fitted, and the latter is of robust construction or so

protected as to remain operable in case of fire in the protected spaces. The remote controls areto be placed in the accommodation area in order to facilitate their ready accessibility by the

crew. The capability to release different quantities of fire-extinguishing media into different

cargo holds so protected is to be included in the remote release arrangement.

=KCC "?(,9

Means are to be provided for automatically giving audible warning of the release of

fire-extinguishing medium into any space to which personnel normally have access. The

alarm is to operate for at least a 20-second period before the gas is released.

=KC- &D3*,D?6

The necessary pipes for conveying fire extinguishing medium into protected spaces are to be

provided with control valves marked to clearly indicate the spaces to which the pipes are led.Suitable provision is to be made to prevent inadvertent admission of the medium to any space.

Automatic release of fire-extinguishing medium is not permitted.

The means for control of any fixed gas fire-extinguishing system are to be readily accessible,

simple to operate and are to be grouped together in as few locations as possible at positions

not likely to be cut off by a fire in a protected space. At each location, there are to be clear

instructions relating to the operation of the system, having due regard for the safety of personnel.

Means are to be provided to close all openings which may admit air to, or allow gas to escape

from, a protected space. See 4-4-1/17.

=KCF >(6 [5(3*0*8 !2002%

For machinery spaces, the quantity of carbon dioxide carried is to be sufficient to give a

minimum volume of free gas equal to the larger of the following volumes, either:

i) 40_ of the gross volume of the largest machinery space so protected, the volume to

exclude that part of the casing above the level at which the horizontal area of the

casing is 40_ or less of the horizontal area of the space concerned taken midway

between the tank top and the lowest part of the casing` or

ii) 35_ of the gross volume of the largest machinery space protected, including the casing`

provided that the above mentioned percentages may be reduced to 35_ and 30_, respectively,

for cargo vessels of less than 2000 gross tonnage` provided also that if two or more machinery

spaces are not entirely separate they are to be considered as forming one space.

For cargo spaces, the quantity of carbon dioxide available is to be sufficient to give a minimum

volume of free gas equal to 30_ of the gross volume of the largest cargo space so protected in

the vessel.

For the purpose of these requirements, the volume of free carbon dioxide is to be calculated at

0.56 m3/kg (9 ft3/lb).

An additional quantity of fire-extinguishing medium is to be provided where the volume of

free air contained in the air receivers in any space is such that it would seriously affect the

efficiency of the fixed fire-extinguishing system if released into the space in the event of a

fire.

here the quantity of extinguishing medium is required to protect more than one space, the

amount of medium available need not be more than the largest quantity required to protect the

largest space.





=KCB >(6 J06*,0M5*0D3 786*+9

The fixed piping system is to be such that 85_ of the gas can be discharged into the space

within two minutes. The piping within the space is to be proportioned to give proper distribution

to the outlets. The number, type and location of discharge outlets are to be such as to give

uniform distribution throughout the space.

19.5 Other Fixed Gas Extinguishing Medium

Consideration will be given to other gas smothering agents where it can be shown that the system is

equivalent to carbon dioxide extinguishing.

21 Segregation of Fuel Oil Purifiers !"99$% Fuel oil purifiers for heated oil are to be placed in a separate room or rooms, enclosed by steel

bulkheads extending from deck-to-deck and provided with self-closing doors. In addition, the room(s)

is to be provided with the following (see also 4-4-1/17):

i) Independent mechanical ventilation or a ventilation arrangement which can be isolated from

the machinery space ventilation

ii) Fire detection system

iii) Fixed fire extinguishing system capable of activation from outside the room. The extinguishing

system is to be separate for the room but may be part of the main fire extinguishing system

for the machinery space.

iv) Means of closing ventilation openings from a position close to where the fire extinguishing

system is activated.

If it is impracticable to locate the fuel oil purifiers in a separate room, special consideration will be

given in regard to location, containment of possible leakage, shielding and ventilation. In such cases, alocal fixed fire extinguishing system is to be provided and arranged to be activated automatically,

where permitted, or manually from the machinery control position or from another suitable location.

If automatic release is provided, additional manual release is also to be arranged.

23 Protection of Cargo Spaces

23.1 Cargo Vessels of 2000 Gross Tons and Over

Except otherwise indicated in these Rules, cargo spaces of cargo vessels of 2,000 gross tons and

above are to he provided with approved fixed fire extinguishing systems.

23.3 Fixed Fire-Extinguishing Systems

Fixed fire-extinguishing systems for cargo spaces and pump room of tankers, liquefied gas and special

product carriers will be specially considered. here the cargo area or pump room of a vessel intended

to carry chemicals is fitted with a fixed system, care is to be taken to ensure that the extinguishing

medium is compatible with the cargoes being carried.

23.5 Fire Protection on Chemical Barges

Chemical barges are to comply with the requirements of Part 151 Subchapter O of Chapter I Title 46

CFR. here Table 151.05 of 46 CFR indicates that fire protection is required, portable fire extinguishers

are to be provided in accordance with 4-4-1/Tables 1 and 2 of these Rules.





25 Additional Requirements for Vessels Intended to Carry

Passengers

25.1 Fixed Fire Detection and Fire Alarm Systems, Automatic Sprinkler, FireDetection and Fire Alarm System

AF== O+66+?6 &(,,8034 CB !(66+34+,6 D, Y+66

There is to be installed throughout each separate vertical or horizontal fire zone, in all

accommodation and service spaces, and where it is considered necessary, also in control

stations (except such spaces which afford no substantial fire risk, such as void spaces, sanitary

spaces, etc.) either:

i) A fixed fire detection and fire alarm system of an approved type and complying with

the requirements of 4-4-1/25.1.4 and so installed and arranged as to detect the

presence of fire in such spaces` or

ii) An automatic sprinkler, fire detection and fire alarm system of an approved type and

complying with the requirements of 4-4-1/25.1.5 and so installed and arranged as to

protect such spaces and, in addition, a fixed fire detection and fire alarm of an

approved type complying with the requirements of 4-4-1/25.1.4 so installed and

arranged as to provide smoke detection in corridors, stairways and escape routes

within accommodation spaces.

AF=A O+66+?6 &(,,8034 HD,+ *'(3 CB !(66+34+,6

An automatic sprinkler, fire detection and fire alarm system of an approved type and complying

with the requirements of 4-4-1/25.1.5 is to be installed and arranged to protect all service

spaces, control stations and accommodation spaces, including corridors and stairways. As an

alternative, control stations where water may cause damage to essential equipment may befitted with an approved fire extinguishing system of another type.

In addition to the automatic sprinkler, fire detection and fire alarm system, a fixed fire detection

and fire alarm system of an approved type and complying with 4-4-1/25.1.4 is to be installed

and arranged to provide smoke detection in service spaces, control stations and accommodation

spaces, including corridors and stairways. Smoke detectors need not be fitted in private bathrooms

and galleys.

AF=C &D3*,D? 7*(*0D3 GD, /0,+ J+*+N*0D3 "?(,96

The fire detection alarms for the systems required by 4-4-1/25.1.2 are to be centralized in a

continuously manned central control station. In addition, the controls for remote closing of the

fire doors and shutting down the ventilation fans are to be centralized in the same location.The ventilation fans are to be capable of reactivation by the crew at this control station.

The control panels at the central control station are to be capable of indicating the positions of

the fire doors (open or closed) and the status of the detectors, alarms, fans (stopped or running).

The control panel is to be continuously powered and is to be provided with an automatic

changeover to standby power upon loss of normal power supply. Power for the control panel

is to be supplied by the main source of electrical power and the emergency source of electrical

power.

The control panel is to be designed on the fail-safe principle` an open detector circuit is to

cause an alarm condition.





AF=- /02+: /0,+ J+*+N*0D3 (3: /0,+ "?(,9 786*+96

here a fixed fire detection and fire alarm system is required, it is to be in accordance with

the following:

25.1.4(a) General . Detectors and manually operated call points are to be grouped into

sections. A section of detectors is not to service spaces on both sides of the vessel nor onmore than one deck, and it is not to be situated in more than one main vertical zone except

that if it can be demonstrated that the protection of the vessel against fire will not be reduced,

such an arrangement may be accepted.

25.1.4(b) Alarm. The activation of any detector or manually operated call points is to initiate

a visual and audible fire signal at the control panel and indicating units. If the signals have not

received attention within two minutes, an audible alarm is to be automatically sounded

throughout the crew accommodation and service spaces, control stations and propulsion

machinery spaces. This alarm sounder system need not be an integral part of the detection

system.

25.1.4(c) Control Panel. The control panel is to be located on the navigation bridge or in the

main fire control station.

25.1.4(d) Indicating Units. Indicating units are to denote the section in which a detector or

manually operated call point has operated. At least one unit is to be so located that it is easily

accessible to responsible members of the crew at all times when underway or in port except

when the vessel is out of service. One indicating unit is to be located on the navigation bridge

if the control panel is located in the main fire control station.

Clear information is to be displayed on or adjacent to each indicating unit about the spaces

covered and the location of the sections.

AF=F "5*D9(*0N 7),03Q?+,R /0,+ J+*+N*0D3 (3: /0,+ "?(,9 786*+96

Following are the requirements for automatic sprinkler, fire detection and fire alarm systemsrequired for vessels over 30.5 m (100 ft). essels of 30.5 m (100 ft) and under will be subject

to special consideration.

25.1.5(a) General. Any required automatic sprinkler, fire detection and fire alarm system is

to be capable of immediate operation at all times without requiring action by the crew to set it

in operation. It is to be of the wet type, but small exposed sections may be of the dry type

where determined that this is a necessary precaution. Any parts of the system which may be

subject to freezing temperatures in service are to be suitably protected against freezing. The

system is to be kept charged at the necessary pressure and is to have provision for a

continuous supply of water.

25.1.5(b) Alarm. Each section of sprinklers is to include means for giving a visual and

audible alarm signal automatically at one or more indicating units whenever any sprinkler comes into operation. Such alarm systems are to indicate any fault in the system upon its

occurrence.

25.1.5(c) Indicating Units. Indicating units are to give an indication of fire and its location in

any space served by the system and are to be centralized on the navigation bridge or in the in

the main fire control station, which is to be manned or equipped so as to ensure that any alarm

from the system is immediately received by a responsible member of the crew.

A list or plan is to be displayed at each indicating unit showing the spaces covered and the

locations of the zone in respect of each section. Suitable instruction for testing and maintenance

is to be available.





25.1.5(d) Sprinklers. Sprinklers are to be grouped into separate sections. A section of

sprinklers is not to serve more than two decks nor be situated in more than one main vertical

zone except that if it can be demonstrated that the protection of the vessel against fire will not

be reduced, such an arrangement may be accepted.

The sprinklers are to be resistant to corrosion by marine atmosphere. In accommodation andservice spaces, the sprinklers are to come into operation within the temperature range of 68 to

79°C (154 to 174°F), except that in locations such as drying rooms, where high ambient

temperatures might be expected, the operating temperature may be increased no more than

30°C (54°F) above the maximum deck head temperature.

Sprinklers are to be placed in an overhead position and spaced in a suitable pattern tomaintain an average application rate of not less than 5 l/m2 (0.12 gal/ft2) per minute over the

nominal areas covered by the sprinklers.

25.1.5(e) Isolation Valves. Each section of sprinklers is to be capable of being isolated by

one stop valve only. The stop valve in each section is to be readily accessible and its location

is to be clearly and permanently indicated. Means are to be provided to prevent the operation

of stop valves by unauthorized persons.

25.1.5(f) Pressure Indication. A gauge indicating the pressure in the system is to be

provided at each section stop valve and at a central location.

25.1.5(g) Pressure Tank. A pressure tank is to be provided and contain a standing charge of

freshwater equivalent to the amount of water that would be discharged in one minute by the

pump referred to in item 4-4-1/25.1.5(h). The volume of the pressure tank is to be at least

twice that of the required charge of freshwater. Arrangements are to such that the air pressure

in the tank after the standing charge of water has been used will not be less than the working

pressure of the sprinkler plus the pressure exerted by a head of water measured from the

bottom of the tank to the highest sprinkler in the system. Suitable means of replenishing the

air under pressure and of replenishing the freshwater charge in the tank are to be provided. A

glass gauge is to be provided to indicate the correct level of water in the tank.

Means are to be provided to prevent the passage of sea water into the tank.

25.1.5(h) Pump and Piping System. An independent-power pump is to be provided solely for

the purpose of automatically continuing the discharge of water from the sprinklers. The pump

is to be brought into action automatically upon pressure drop in the system before the

standing freshwater charge in the pressure tank is completely exhausted.

The pump and piping system are to be capable of maintaining the necessary pressure at the

level of the highest sprinkler to ensure a continuous output of water sufficient for the

simultaneous coverage of a minimum area of 280 m2 (3014 ft2) at the application rate requiredin item 4-4-1/25.1.5(d).

25.1.5(i) Test Valve. The pump is to have fitted on the delivery side a test valve with a short

open-ended discharge pipe. The effective area through the valve and pipe is to be adequate to

permit the release of the required pump output while maintaining the pressure in the system

required in item 4-4-1/25.1.5(h).

25.1.5(j) Water Supply. The water inlet to the pump is to be so arranged that when the vessel

is afloat, it will not be necessary to shut off the supply of water to the pump for any purpose

other than inspection or repair of the pump.





25.3 Special Category Spaces

Special category spaces as defined in 3-4-1/3.7 are to comply with the following:

AFC= /02+: /0,+ 12*034506'034 786*+9

Each special category space is to be fitted with an approved fixed pressure water sprayingsystem for manual operation which will protect all parts of any deck and vehicle platform in

such space. Suitable provisions are to be provided to drain or pump out water that may

accumulate due to operation of the water spraying system. The use of any other fixed fire

extinguishing system that has been shown by full scale test in conditions simulating a flowing

petrol fire in a special category space to be not less effective in controlling fires likely to

occur in such a space will be specially considered.

AFCA /0,+ J+*+N*0D3 (3: "?(,9 786*+9

i) An approved fixed fire detection and alarm system complying with 4-4-1/25.1.4 is to

be provided. The fixed fire detection system is to be capable of rapidly detecting the

onset of fire. The spacing and location of detectors is to be tested to the satisfaction of the Bureau taking into account the effects of ventilation and other relevant factors.

ii) Manually operated call points are to be provided throughout the special category

spaces and one is to be placed close to each exit from such spaces.

AFCC /0,+ 12*034506'034 1;50)9+3*

The following equipment is to be provided in each special category space.

i) At least three water fog applicators.

ii) One portable applicator unit consisting of an air foam nozzle of an inductor type

capable of being connected to the fire main together with a portable tank containing at

least 20 liters (5 U.S. gallons) of foam making liquid and one spare tank provided thatat least two such units are available on the vessel for use in such spaces. The nozzle isto be capable of producing effective foam suitable for extinguishing an oil fire at the

rate of at least 90 m3/hr (3180 ft3/hr).

iii) Portable fire extinguishers suitable for fighting oil fires are to be provided at each

vehicle deck level in all spaces where vehicles are carried. Extinguishers are to be

located not more than 20 m (65 ft) apart, on both sides of the vessel including at least

one extinguisher located at each cargo space access.

25.5 Cargo Spaces, Other than Special Category Spaces, Intended for the Carriageof Motor Vehicles with Fuel in their Tanks

All cargo spaces (other than special category spaces) containing vehicles with fuel in their tanks are tocomply with the following:

AFF= /02+: /0,+ J+*+N*0D3 786*+9

An approved fixed fire detection and alarm system complying with 4-4-1/25.1.4 or an approved

sample smoke detection system is to be provided. The design and arrangements of this system

are to be considered in conjunction with the ventilation requirements.





AFFA /02+: /0,+ 12*034506'034 786*+9

An approved fixed gas fire extinguishing system complying with 4-4-1/19.3 is to be provided,

except that the quantity of gas available is to be at least sufficient to give a minimum volume

of free gas equal to 45_ of the gross volume of the largest such cargo space which is capable

of being sealed, and the arrangements are to be such as to ensure that at least two-thirds of thegas required for the relevant spaces is introduced within 10 minutes. A fixed high-expansion

foam system may be fitted provided it gives equivalent protection. As an alternative, a system

meeting the requirements of 4-4-1/25.3.1 may be fitted.

AFFC /0,+ 12*034506'034 1;50)9+3*

Portable fire extinguishers are to be provided as required in 4-4-1/25.3.3iii).

25.7 Other Cargo Spaces

For vessels of 1,000 gross tons and above, cargo spaces not covered under 4-4-1/25.3 or 4-4-1/25.5

are to be protected by a fixed gas fire extinguishing system complying with 4-4-1/19.3 or by a fixed

high expansion foam fire extinguishing system which gives equivalent protection.

25.9 Special Arrangements in Machinery Spaces

AFK= #+9D*+ &D3*,D?6

The controls as required in 4-4-1/17 and the controls for any required fire-extinguishing system

are to be situated at one control position or grouped in as few positions as possible. Such

positions are to have a safe access from the open deck.

AFKA /5+? T0? $(3Q6

Free standing fuel oil tanks are not permitted in defined machinery spaces.

AFKC 7D53:034 !0)+6

In addition to 4-3-3/9, other means of ascertaining the amount of fuel oil in any fuel oil tank

will be considered if such means do not require penetration below the tank top and providing

their failure or overfilling of the tanks will not permit release of fuel oil.

AFK- JDD,6 03 H(N'03+,8 7)(N+6

Doors, other than power-operated sliding watertight doors, are to have positive closure in case

of fire. Such doors are to have power-operated closing arrangements or self-closing doors

capable of closing against an opposing inclination of 3.5 degrees which may have a fail-safe

hook back arrangement. The closing arrangements are to be operable locally and from the

central control station. See also 3-3-1/19.

AFKF LDPP?+6

In vessels carrying more than 36 passengers, each machinery space for which a fixed fire

extinguishing system is required by 4-4-1/19.1 is to be provided with at least two suitable

water fog applicators.

25.11 Alarm Systems

An approved manual alarm system complying with the requirements of the Administration or a

separate alarm system independent of the vessels fire alarm system is to be installed in all areas,

other than the main machinery spaces, which are normally accessible to the passengers or crew.





25.13 General or Special Fire Alarm

A special fire alarm, operated from the navigation bridge or fire control station, is to be fitted to

summon the crew. This alarm may be part of the vessels general alarm system but is to be capable of

being sounded independently of the alarm to the passenger spaces.

25.15 Public Address System

A public address system or other effective means of communication is to be provided throughout the

accommodation and service spaces and control stations and open decks.

25.17 Portable Communication Equipment

For vessels carrying more than 36 passengers, a sufficient number of two-way portable radio telephone

apparatus are to be available onboard for each member of the fire patrol.

25.19 Fire Control Plans

A fire control plan is to be permanently exhibited for the guidance of the vessels officers. Fire control plans are to be general arrangement plans showing for each deck provision, location, controls and

particulars, as applicable, of fixed fire detection, alarm and extinguishing systems, portable fire-fighting

equipment and appliances, controls of fuel oil pumps and valves and ventilation system shut-downs,

fan control positions and closing of openings. They are also Class divisions, the sections enclosed by

VBW Class divisions, means of access to different compartments, decks, etc., and the identification

numbers of ventilating fan serving each section.





TABLE 1Classification of Portable and Semi-portable Extinguishers

Fire extinguishers are designated by type as follows: A, for fires in combustible materials such as wood` B, for fires in

flammable liquids and greases` C, for fires in electrical equipment.Fire extinguishers are designated by size where I is the smallest and size v is the largest. Sizes I and II are hand portableextinguishers and sizes III and are semi-portable extinguishers.

Classification

Type Size

Soda-Acid and Water liters (US gallons)

Foamliters (US gallons)

Carbon Dioxidekg (lb)

Dry Chemical kg (lb)

A

B

B

B

B

C

II

II

III

I

II

9 (2.5)

—

—

—

—

—

9 (2.5)

9 (2.5)

45 (12)

76 (20)

152 (40)

—

—

6.8 (15)

15.8 (35)

22.5 (50)

45 (100) (2)

6.8 (15)

2.25 (5) (1)

4.5 (10)

9 (20)

13.5 (30)

22.5 (50)

4.5 (10)

Notes:

1 Must be specifically approved as Type A, B, C extinguisher

2 For outside use, double the amount to be carried.

TABLE 2Portable and Semi-portable Extinguisher Locations

Space Classification Quantity and Location (5)

Safety Areas

Communicating corridors A-II or B-II 1 in each main corridor not more than 23 m (75 ft) apart. (May be located in

stairways.) See Note 1

Service Spaces

Galleys B-II or C-II 1 for each 230 m2 (2500 ft2) or fraction thereof for hazards involved.

Paint or lamp rooms B-II 1 outside the space in vicinity of exit.

Machinery Spaces

Oil-fired boilers: Spacescontaining oil-fired boilers, or their fuel oil units

B-IIand B-I

1 required1 required

Internal combustion or gasturbine propulsion machinery

spaces

B-IIand B-III

1 for each 746 k (1000 hp), but not less than 2 nor more than 6. See Note 2.1 required. See Notes 2 and 3.

Electric motors or generatorsof the open type

C-II 1 for each motor or generator unit.

Auxiliary spaces containing

internal combustion or gasturbine units

B-II 1 required in vicinity of exit.

Auxiliary spaces emergency

generators

C-II 1 required in vicinity of exit.

Cargo Areas

Pump rooms B-II 1 required in vicinity of exit. See Note 4

Cargo tank areas B-II

and B-

2 required. See Notes 5 and 7.

1 required. See Notes 4, 6 and 7.





TABLE 2 (continued)Portable and Semi-portable Extinguishers

Notes:

1 In general, portable extinguishers in which the medium is stored under pressure are not to be stored in passenger or crew accommodations.

2 If oil burning auxiliary boiler fitted in space, the B-I previously required for the protection of the boiler may be

substituted. Not required where a fixed carbon dioxide system is installed.

3 Not required on vessels of less than 300 gross tons if fuel has a flash point higher than 43°C (110°F).

4 Not required if fixed system installed.

5 If no cargo pump on barge, only one B-II required.

6 Not required for barges less than 100 gross tons.

7 here foam is used it is to be compatible with cargoes being carried.



!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 2#9

P A R T C h a p t e r 5 . E l e c t r i c a l I n s t a l l a t i o n s

$C H A P T E R & '()*+,-*.( /01+.((.+-201

CONTENTS

SECTION , G./.013333333333333333333333333333333333333333333333333333333333333333333333333333333324#

1 Applications287

3 Definitions 287

31 Earthed Distribution System 287

33 Essential Services 287

35 Explosion-proof (Flameproof) Equipment 288

37 Hazardous Area (Hazardous Location) 288

39 Hull-return System 288

311 Intrinsically-safe 288

313 Increased Safety 288

315 Non-periodic Duty Rating 288

317 Non-sparking Fan 289

319 Periodic Duty Rating 289

321 Portable Apparatus 289

323 Pressurized Equipment 289

325 Semi-enclosed Space 289

327 Separate Circuit 289

329 Short Circuit 289

331 Short-time Rating 289

5 Plans and Data to Be Submitted289

7 Standard Distribution System 289

9 Voltage and Frequency Variations290

11 Inclination290

13 Materials 290

15 Insulation Material290

151 Class A Insulation 290

153 Class B Insulation 290

155 Class E Insulation 290

157 Class F Insulation 291

159 Class H Insulation 291

1511 Insulation for Temperature Above 180°C (356°F) 291

17 Degree of Protection for Enclosure291



24 !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

19 Temperature Ratings 291

191 General291

193 Reduced Ambient Temperature 291

21 Clearances and Creepage Distances292

23 Service Trial 292

231 Electrical Installation for Ship Services292

233 Communication Facilities292

TABLE 1 Voltage and Frequency Variations293

TABLE 2 Degree of Protection of Electrical Equipment(First IP Numeral)293

TABLE 3 Degree of Protection of Electrical Equipment(Second IP Numeral) 294

TABLE 4 Primary Essential Services 295

TABLE 5 Secondary Essential Services 295

SECTION 2 S678:10; S<=>.?= 33333333333333333333333333333333333333333333333333333333333 29#

1 Plans and Data to be Submitted297

11 Wiring 297

13 Short-circuit Data298

15 Protective Device Coordination 298

17 Load Analysis 298

3 Main Source of Power298

31 Propulsion 298

33 Ship]s Service298

35 Main Transformers 298

5 Emergency Source of Power 299

51 Non-passenger Vessels 299

53 Passenger Vessels299

7 Distribution System299

71 Ship Service Distribution System 299

73 Hull Return System 300

75 Earthed Distribution Systems 300

77 External or Shore Power Supply Connection 301

79 Harmonics 301 9 Circuit Protection System301

91 System Design 301

93 Protection for Generators 303

95 Protection for Alternating-current (AC) Generators 304

97 Protection for Direct Current (DC) Generators 305

99 Protection for Accumulator Batteries 305

911 Protection for External or Shore Power Supply 306

913 Protection for Motor Branch Circuits306

915 Protection for Transformer Circuits307

917 Protection for Meters, Pilot Lamps and ControlCircuits 307



!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 24,

11 System for Steering Gear 308

111 Power Supply Feeder 308

113 Protection for Steering Gear Circuit 308

115 Controls, Instrumentation, and Alarms 308

13 Lighting and Navigation Light Systems309

131 Lighting System 309

133 Navigation Light System 310

135 Emergency and Interior-communicationSwitchboard 310

15 Refrigerated Space Alarm 310

17 Fire Protection Systems311

171 Emergency Stop 311

173 Fire Detection and Alarm System 311

SECTION S678:10; I/=>11>7:/ 3333333333333333333333333333333333333333333333333333333 , 1 Plans and Data to be Submitted313

11 Booklet of Standard Details 313

13 Arrangement of Electrical Equipment 313

15 Electrical Equipment in Hazardous Areas 313

17 Maintenance Schedule of Batteries 314

3 Equipment Installation and Arrangement314

31 General Consideration 314

33 Generators 315

35 Ship Service Motors 316

37 Accumulator Batteries 316 39 Switchboard 319

311 Distribution Boards 319

313 Motor Controllers and Control Centers 319

315 Resistors for Control Apparatus 320

317 Lighting Fixtures 320

319 Heating Equipment 320

321 Magnetic Compasses 320

323 Portable Equipment and Outlets 320

325 Receptacles and Plugs of Different Ratings 320

5 Cable Installation 321

51 General Considerations 321

53 Insulation Resistance for New Installation 322

55 Protection for Electric-magnetic Induction 322

57 Joints and Sealing 323

59 Support, Fixing and Bending 323

511 Cable Run in Bunches 324

513 Deck and Bulkhead Penetrations 325

515 Mechanical Protection 325

517 Emergency and Essential Feeders 325

519 Mineral Insulated Cables 326

521 Fiber Optic Cables 326

523 Battery Room 326




525 Paneling and Dome Fixtures 326

527 Sheathing and Structural Insulation 326

529 Splicing of Electrical Cables 326

531 Splicing of Fiber Optic Cables 327

533 Cable Junction Box 327

7 Earthing328

71 General328

73 Permanent Equipment328

75 Connections 328

77 Portable Cords 329

79 Cable Metallic Covering329

711 Lightning Earth Conductors329

9 Installation in Cargo Hold for Dry Bulk Cargoes329

91 Equipment 329

93 Self-unloading Controls and Alarms329 11 Equipment and Installation in Hazardous Areas330

111 General Considerations330

113 Certified-safe Type and Pressurized Equipment andSystems330

115 Paint Stores332

117 Non-sparking Fans 333

TABLE 1 Minimum Degree of Protection 334

TABLE 2 Minimum Bending Radii of Cables335

TABLE 3 Size of Earth-continuity Conductors and EarthingConnections 335

FIGURE 1 Example of Protected Area, Adjacent Area of Direct Spray and Adjacent Area where Water May Extend 315

SECTION A B167/.0< 1/; ED78?./> 333333333333333333333333333333333333333333333333 #

1 Plans and Data to Be Submitted337

11 Generators and Motors of 100 kW and Over337

13 Generators and Motors Below 100 kW 337

15 Switchboards, Distribution Boards, etc, for Essentialor Emergency Services or Refrigerated Cargoes 337

3 Rotating Machines 337

31 General337

33 Testing and Inspection 338

35 Insulation Resistance Measurement 338

37 Overload and Overcurrent Capability 339

39 Dielectric Strength of Insulation339

311 Temperature Ratings340

313 Construction and Assemblies340

315 Lubrication341

317 Turbines for Generators 341



!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 24

319 Diesel Engines for Generators 342

321 Alternating-current (AC) Generators 343

323 Direct-current (DC) Generators 344

5 Accumulator Batteries345

51 General 345

53 Construction and Assembly 346

55 Engine-starting Battery 346

7 Switchboards, Distribution Boards, Controllers, etc 346

71 General 346

73 Testing and Inspection 347

75 Insulation Resistance Measurement 347

77 Dielectric Strength of Insulation 348


711 Bus Bars, Wiring and Contacts 349

713 Control and Protective Devices 350 715 Switchboards350

717 Motor Controllers and Control Centers 351

719 Battery Systems and Uninterruptible Power Systems(UPS) 351

9 Transformers354

91 General 354

93 Temperature Rise 354


97 Testing 355

11 Other Electric and Electronics Devices355

111 Circuit Breakers 355

113 Fuses 355

115 Semiconductor Converters 356

117 Cable Junction Boxes 356

13 Cables and Wires356

131 Cable Construction 356

133 Portable and Flexing Electric Cables 358

135 Mineral-insulated Metal-sheathed Cable 358

TABLE 1 Factory Test Schedule for Generators and

Motors ' 100 kW (135 hp) 359 TABLE 2 Dielectric Strength Test for Rotating Machines 359

TABLE 3 Limits of Temperature Rise for Air-cooled RotatingMachines360

TABLE 4 Nameplates361

TABLE 5 Factory Testing Schedule for Switchboards,Chargers, Motor Control Centers andControllers363

TABLE 6 Clearance and Creepage Distance for Switchboards, Distribution Boards,Chargers, Motor Control Centers

and Controllers363 TABLE 7 Equipment and Instrumentation for Switchboard364



24A !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

TABLE 8 Temperature Rise for Transformers365

TABLE 9 Types of Cable Insulation 365

TABLE 10 Maximum Current Carrying Capacity for InsulatedCopper Wires and Cables366

SECTION F S8.717.; I/=>11>7:/= 333333333333333333333333333333333333333333333333333 H9

1 High Voltage Systems369

11 General369


15 Circuit Breakers and Switches – Auxiliary CircuitPower Supply Systems 370

17 Circuit Protection371

19 Equipment Installation and Arrangement 372

111 Machinery and Equipment373

3 Bridge Control of Propulsion Machinery376 31 Control Capability 376

33 Emergency Stopping 376

35 Order of Control Station Command376

37 Local Control 376

39 Bridge Control Indicators376

5 Electric Propulsion System376

51 General376


55 Propulsion Power Supply Systems378

57 Circuit Protection379

59 Protection for Earth Leakage380

511 Electric Propulsion Control 381

513 Instrumentation at the Control Station 381

515 Equipment Installation and Arrangement 382

517 Machinery and Equipment383

519 Dock and Sea Trials 386

7 Three-wire Dual-voltage DC System 386

71 Three-wire DC Ships Generators 386

73 Neutral Earthing 387

75 Size of Neutral Conductor 387

SECTION H S8.717.; .==.= 1/; S.0J7.=333333333333333333333333333333333333 49

1 Oil Carriers389

11 Application389

13 Earthed Distribution Systems 389

15 Hazardous Areas389

17 Installation of Equipment and Cables 390

19 Cargo Oil Pump Room 391

3 Vessels Carrying Coal in Bulk 392

31 Application392

33 Hazardous Areas392

35 Installation of Equipment 392



!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 24F

5 Cargo Vessels Carrying Motor Vehicles with Fuel inTheir Tank393

51 Application 393

53 Ventilation System 393

55 Location and Type of Equipment 394 7 Vessels Carrying Hazardous Chemicals in Bulk 394

9 Passenger Vessels 395

91 Emergency Source of Power 395

93 Emergency Power Supply for Steering Gear 399

95 Power Supply Through Transformers and Converters399

97 Interior Communication Systems 399

99 Manually Operated Alarms 400

911 Services Required to be Operable Under a FireCondition 400

913 High Fire Risk Areas 401

915 Emergency and Essential Feeders 401

TABLE 1 Electrical Equipment in Hazardous Areas for OilCarriers 403

FIGURE 1 Cables within High Fire Risk Areas 402



T#$% &'() I+,)+,$-+'../ L)1, B.'+3



!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 24#

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3F B17/ T01/=:0?.0=

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F3, N:/M81==./W.0 .==.=

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711 General

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1-4 )%%)+,$'. '+9 )7)4()+8/ %)4=$8)%A

712 Method of Distribution

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7'$+ -4 -,#)4 .--;)9 8$486$, )A(AC $+,)48-++)8,$+( %)8,$-+ <-'49% $+ ' 8-+,$+6-6% 8$486$,J '4)

,- <) 1-47)9 -1 8-+968,-4% #'=$+( %611$8$)+, 8644)+,O8'44/$+( '+9 %#-4,O8$486$, 8';'8$,/ 1-4

'+/ ;-%%$<.) .-'9 '+9 %6;;./ 8-+1$(64',$-+A

713 Through-feed Arrangements

T#) %$\) -1 1))9)4 8-+968,-4% $% ,- <) 6+$1-47 1-4 ,#) ,-,'. .)+(,#C <6, 7'/ <) 4)968)9 <)/-+9

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-1 ,#) 1))9)4 $% ;4-,)8,)9 </ '+ -=)4.-'9 9)=$8)A

714 Motor Control Center (2006) F))9)4 8'<.)% 14-7 ,#) 7'$+ %E$,8#<-'49 -4 '+/ %)8,$-+ <-'49 ,- ,#) 7-,-4 8-+,4-. 8)+,)4% '4)

,- #'=) ' 8-+,$+6-6% 8644)+,O8'44/$+( 8';'8$,/ +-, .)%% ,#'+ U00] -1 ,#) %67 -1 ,#) +'7);.',)

4',$+(% -1 '.. -1 ,#) 7-,-4% %6;;.$)9A F))9)4 8'<.)% -1 .)%%)4 8644)+, 8';'8$,/ '4) ;)47$,,)9C

E#)4) ,#) 9)%$(+ $% %68# ,#', 8-++)8,)9 8-+%67)4% '4) +-, -;)4',)9 %$76.,'+)-6%./C 6+9)4 '+/

-;)4',$+( 7-9)A

715 Motor Branch Circuit

%);'4',) 8$486$, $% ,- <) ;4-=$9)9 1-4 )'8# 1$)9 7-,-4 #'=$+( ' 16..O.-'9 8644)+, 4',$+( -1

Y '7;)4)% -4 7-4)C '+9 ,#) 8-+968,-4% '4) ,- #'=) ' 8'44/$+( 8';'8$,/ -1 +-, .)%% ,#'+ U00]

-1 ,#) 7-,-4 16..O.-'9 8644)+, 4',$+(A N- <4'+8# 8$486$, $% ,- #'=) 8-+968,-4% .)%% ,#'+UA? 772 E$4) UY @GJA $486$,O9$%8-++)8,$+( 9)=$8)% '4) ,- <) ;4-=$9)9 1-4 )'8# 7-,-4

<4'+8# 8$486$, '+9 ,- <) $+ '88-49'+8) E$,# QO?OAUA2 '+9 QO?OQ>AU>A2A




!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

716 Ventilation System

g)+,$.',$-+ 1'+% 1-4 8'4(- %;'8) '4) ,- #'=) 1))9)4% %);'4',) 14-7 ,#-%) 1-4 '88-77-9',$-+%A

S)) '.%- QO?O2U>AUAUC QO?OA>AC QO?OYUAAU '+9 QO?OY?AA

717 Heating Appliances'8# #)',)4 $% ,- <) 8-++)8,)9 ,- ' %);'4',) 1$+'. %6<8$486$,A V-E)=)4C ' (4-6; -1 6; ,- ,)+

#)',)4% E#-%) ,-,'. 8644)+, 9-)% +-, )8))9 UY 7'/ <) 8-++)8,)9 ,- ' %$+(.) 1$+'. %6<8$486$,A

718 Circuits for Bunker or Cargo Space

.. .$(#,$+( '+9 ;-E)4 8$486$,% ,)47$+',$+( $+ ' <6+3)4 -4 8'4(- %;'8) '4) ,- <) ;4-=$9)9 E$,#

' 76.,$;.) ;-.) %E$,8# -6,%$9) -1 ,#) %;'8) 1-4 9$%8-++)8,$+( %68# 8$486$,%A

#3 .>0/ S<=>.?

731 General

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732 Final Subcircuits and Earth Wires

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964$+( %#-4) %6;;./JA S)) QO?O>A?A2 '+9 QO?OYUA 1-4 ,'+3)4%A




!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 ,

#3# E>.0/1 :0 S6:0. L:`.0 S88< C://.>7:/

771 General

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,#) ,)47$+',$-+ ;-$+, '+9 ,#) 7'$+ -4 )7)4()+8/ %E$,8#<-'49A H)'+% 1-4 9$%8-++)8,$+( ,#)

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1-4 ,#) ;4-,)8,$-+ -1 ),)4+'. -4 %#-4) ;-E)4 %6;;./ 8$486$,A

772 Earthing Terminal

+ )'4,# ,)47$+'. $% ,- <) ;4-=$9)9 1-4 8-++)8,$+( ,#) #6.. ,- '+ ),)4+'. )'4,#A

773 Indicators

T#) ),)4+'. %6;;./ 8-++)8,$-+ -4 %#-4) 8-++)8,$-+ $% ,- <) ;4-=$9)9 E$,# ' ;$.-, .'7; '+9 '

=-.,7),)4 '+9 14)56)+8/ 7),)4 1-4 J ', 7'$+ -4 )7)4()+8/ %E$,8#<-'49 ,- %#-E )+)4($\)9

%,',6% -1 ,#) 8'<.)A

774 Polarity or Phase Sequence

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775 Information Plate

+ $+1-47',$-+ ;.',) $% ,- <) ;4-=$9)9 ', -4 +)'4 ,#) 8-++)8,$-+ <- ($=$+( 16.. $+1-47',$-+

-+ ,#) %/%,)7 -1 %6;;./ '+9 ,#) +-7$+'. =-.,'() '+9 14)56)+8/ $1 J -1 ,#) =)%%).P% %/%,)7

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776 Securing of Trailing Cable&4-=$%$-+ $% ,- <) 7'9) 1-4 %)864$+( ,#) ,4'$.$+( 8'<.) ,- ' 14'7)E-43 ,- '<%-4< %,4)%% -+ ,#)

).)8,4$8'. ,)47$+'.% </ 8',)+'4/ ,)+%$-+ -1 ,#) 8'<.)A

#39 10?:/7= (2006)

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@ I-,*;-+ 9,2+)*+-20 #?1+)=

93, S<=>.? .=7W/

911 General (1998) .)8,4$8'. $+%,'..',$-+% '4) ,- <) ;4-,)8,)9 '('$+%, '88$9)+,'. -=)4.-'9 '+9 %#-4, 8$486$,C )8);,

+; % ;)47$,,)9 </ QO?O2UUAC

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7'/ <) ;4-,)8,)9 '('$+%, %#-4, 8$486$, -+./A





T#) ;4-,)8,$-+ $% ,- <) </ '6,-7',$8 ;4-,)8,$=) 9)=$8)% 1-4

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%$\)% $% ,- <) ;4-,)8,)9A D6'.O=-.,'() %/%,)7% #'=$+( '+ )'4,#)9 +)6,4'. '4) +-, ,- #'=) 16%)%

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9$%,4$<6,$-+ <-'49A

912 Protection Against Short-circuit

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913 Protection Against Overload

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914 Cascade System (Back-up Protection)

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915 Coordinated Tripping

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931 General

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932 Trip Setting for Coordination (2008)

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933 Load-shedding Arrangements (2004)

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A !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

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934 Emergency Generator

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951 Short-time Delay Trip (2008)

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 F

952 Parallel Operation

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971 Instantaneous Trip

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H !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

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9111 General

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9112 Interlocking Arrangement

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9131 General

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9132 Direct-current Motor Branch Circuits

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 #

9134 Motor Running Protection (2005)

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9135 Undervoltage Protection and Undervoltage Release (2004)

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9151 Setting of Overcurrent Device

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,A !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

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311 Equipment Location (2006)

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 ,F

IGUE ,E1?8. : L0:>.>.; 0.1a ;c1./> 0.1 : 70.> S801<

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312 Protection from Bilge Water

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313 Accessibility

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,H !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

3F S678 S.0J7. B:>:0=

351 General

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352 Pump Motors

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353 Motors on Weather Decks

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<) )+8.-%)9 $+ E',)4,$(#, #-6%$+(%A

354 Motors Below Decks

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%,)'7C E',)4 '+9 -$. ;$;$+(A

3# ?1>:0 1>>.07.=

371 General

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372 Battery Installation and Arrangements

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 ,#

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373 Ventilation

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,4 !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

374 Protection from Corrosion

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375 Maintenance of Batteries (2008)

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512 Choice of Cables

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514 Restricted Location of Cabling

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553 Non-shielded Signal Cables

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5172 Requirements by the Governmental Authority

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F32# S6.1>67/W 1/; S>0>01 I/=1>7:/

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F329 S877/W : E.>071 C1.=

5291 Basis of Approval

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5292 Installation

.. %;.$8)% '4) ,- <) 7'9) '1,)4 ,#) 8'<.) $% $+ ;.'8) '+9 '4) ,- <) '88)%%$<.) 1-4 $+%;)8,$-+A

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5293 Protection

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F3, S877/W : 7.0 O8>7 C1.=

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F3 C1. d/>7:/ :

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,#) =)%%).C ;4-=$9)9 ,#) ;.'+% 4)56$4)9 </ QO?OUA 1-4 K6+8,$-+ <-)% '4) %6<7$,,)9 '+9 ,#)

1-..-E$+( 4)56$4)7)+,% '4) 8-7;.$)9 E$,#A

5331

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5332

T#) K6+8,$-+ <-)% '4) ,- <) %6$,'<.) 1-4 ,#) )+=$4-+7)+, $+ E#$8# ,#)/ '4) $+%,'..)9 $A)AC

);.-%$-+O;4--1 $+ #'\'49-6% '4)'%C E',)4,$(#, -4 E)',#)4,$(#, -+ 9)83C ),8AJA

5333 (1998)

S);'4',)a K6+8,$-+ <-)% '4) ,- <) 6%)9 1-4 1))9)4% '+9 8$486$,% -1 )'8# -1 ,#) 1-..-E$+( 4',)9

=-.,'() .)=).%

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5334

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751 General

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752 Earthed Distribution System

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753 Connection to Hull Structure

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#3# L:0>1. C:0;= (1998)

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#39 C1. B.>17 C:J.07/W

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931 General

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932 Monitors

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933 Emergency Shutdowns

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1112 Lighting Circuits (2002)

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1113 Cables Installation (2006)

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1114 Permanent Warning Plates

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1131 Installation Approval

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312 Certification on Basis of an Approved Quality Assurance Program

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313 References

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332 Special Testing Arrangements

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371 AC Generators (2003)

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392 Standard Voltage Test (2003)

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3139 Nameplates

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3171 Operating Governor (2004)

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A2 !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

++; R6++$+( ', +- .-'9 '+9 ?0] -1 ,#) 16.. .-'9 -1 ,#) ()+)4',-4 $% %699)+./ ,#4-E+ -+

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3172 Overspeed Governor

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3173 Exhaust Steam to the Turbines

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3174 Extraction of Steam

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3175 Power Output of Gas Turbines

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3191 Operating Governor (2004)

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 A

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3192 Overspeed Governor

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32, >.0/1>7/WM00./> PCR G./.01>:0=

3211 Control and Excitation of Generators

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3212 Voltage Regulation (2007)

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AA !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

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32 70.>M00./> PCR G./.01>:0=

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3232 Voltage Regulation

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 AF

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F3, G./.01

511 Application

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512 Sealed Type Batteries

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513 References

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AH !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

F3 C:/=>0>7:/ 1/; ==.?<

531 Cells and Filling Plugs

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532 Crates and Trays

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533 Nameplate

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#3, G./.01

711 Applications

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8'4(-)%C

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-1 ,#)$4 %)4=$8)%C '+9

" B',,)4/ 8#'4()4% '+9 9$%8#'4($+( <-'49% 1-4 )7)4()+8/ -4 ,4'+%$,$-+'. %-648) -1 ;-E)4A

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-1 ,#) S64=)/-4A

712 References

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QO?O2AU>C QO?O2UUAC QO?O2UAUAQ '+9 QO?O2UAA




!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 A#

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QO?OAUU 1-4 9$%,4$<6,$-+ <-'49% '+9 QO?OAU 1-4 7-,-4 8-+,4-..)4% '+9 8-+,4-. 8)+,)4%A

SV98=; L)(2$D2+(- Q-D#(%")$ /-, +2% 1$#$D2+(- F-4 4)56$4)7)+,% 8-=)4$+( 9)(4)) -1 ,#)

;4-,)8,$-+ '+9 ,#) %).)8,$-+ -1 )56$;7)+,C %)) QO?OUU> '+9 QO?OAUC 4)%;)8,$=)./A

#3 T.=>7/W 1/; I/=8.>7:/

731 Applications

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QO?OQT'<.) ?A

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771 Production-line Apparatus

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772 Devices with Low Insulation Strength

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#39 C:/=>0>7:/ 1/; ==.?<

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793 Mechanical Strength

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794 Mechanical Protection (2004)

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 A9

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7111 Design

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7112 Operating Temperature of Bus Bars

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7113 Short Circuit Rating

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7114 Internal Wiring

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7115 Arrangement

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7116 Clearances and Creepage Distances

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7117 Terminals (2009)

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F !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

#3, C:/>0: 1/; L0:>.>7J. .J7.=

7131 Circuit-disconnecting Devices

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F2 !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

7191 Definitions (2008)

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7193 Discharge Protection

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7194 Design and Construction (2008)

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7195 Location (2008)

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7196 Performance (2008)

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7197 Testing and Survey (2008)

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FA !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

@ F,.0182,=),1

93, G./.01

911 Applications (2004)

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 FF

954 Prevention of the Accumulation of Moisture (2002)

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1112 Mechanical Property

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FH !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

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152 Number of External Sources of Stored Energy

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#2 !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

173 Voltage Transformers for Control and Instrumentation (2003)

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1112 Switchgear and Control-gear Assemblies

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1113 Transformers (2002)

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 #F

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1114 Cables (2003)

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#H !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

6 ",-:B) I20+,2( 28 9,25;(1-20 E.*K-0),?

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F3, G./.01 (2007)

511 Application

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!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 ##

512 Plans and Data to be Submitted

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F3 S<=>.? .=7W/ (2007)

531 General

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533 Power Management System

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#4 !"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007

534 Regenerative Power

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551 Propulsion Generators

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552 Propulsion Excitation

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9$%8#'4() 4)%$%,-4 $% ;4-=$9)9A




!"# RULES FOR BUILDING AND CLASSING STEEL VESSELS FOR SERVICE ON RIVERS & INTRACOASTAL WATERWAYS . 2007 #9

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4$%) E#)+ ' 1$).9 %E$,8# $% -;)+)9A @#)4) 16%)% '4) 6%)9 1-4 )8$,',$-+ 8$486$, ;4-,)8,$-+C $, $%

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<4)'3)4A

553 Semiconductor Converters (1999)

::U8/; S)7$8-+968,-4 8-+=)4,)4 8$486$,% '4) ,- <) '<.) ,- E$,#%,'+9 ,#) ,4'+%$)+, -=)48644)+,%

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F3# C707> L0:>.>7:/

571 Setting

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1.-',$+( <4-3)+ $8)A

572 Direct-current (DC) Propulsion Circuits

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573 Excitation Circuits

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574 Reduction of Magnetic Fluxes

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;.'+,A

575 Semiconductor Converters

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576 Direct-current (DC) Propulsion Motors Supplied by Semiconductor Converters (2008)

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F39 L0:>.>7:/ :0 E10>6 .1X1W.

591 Main Propulsion Circuits

H)'+% 1-4 )'4,# .)'3'() 9),)8,$-+ '4) ,- <) ;4-=$9)9 1-4 ,#) 7'$+ ;4-;6.%$-+ 8$486$, '+9 <)

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'.%- ,- <) ;4-=$9)9A

592 Excitation Circuits

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6; ,- ?00 3@A

593 Alternating current (AC) Systems

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1'6.,A

594 Direct-current (DC) Systems

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F3,, E.>07 L0:8=7:/ C:/>0:

5111 General

F'$.64) -1 ' 8-+,4-. %$(+'. $% +-, ,- 8'6%) '+ )8)%%$=) $+84)'%) $+ ;4-;)..)4 %;))9A T#) 4)1)4)+8)

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;4-;6.%$-+ %/%,)7 E$.. +-, 8'6%) ' %6<%,'+,$'. $+84)'%) $+ ,#) ;4-;)..)4 %;))9A

5112 Testing and Inspection

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5113 Initiation of Control

T#) 8-+,4-. -1 ,#) ;4-;6.%$-+ %/%,)7 8'+ <) '8,$=',)9 -+./ E#)+ ,#) 9).)(',)9 8-+,4-. .)=)4 $%

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5114 Emergency Stop

'8# 8-+,4-. %,',$-+ %#'.. #'=) '+ )7)4()+8/ %,-; 9)=$8) E#$8# $% $+9);)+9)+, -1 ,#) 8-+,4-.

.)=)4A

5115 Prime Mover Control

@#)4) 4)56$4)9 </ ,#) %/%,)7 -1 8-+,4-.C 7)'+% '4) ,- <) ;4-=$9)9 ', ,#) 8-+,4-. '%%)7<./ 1-4

8-+,4-..$+( ,#) ;4$7) 7-=)4 %;))9 '+9 1-4 7)8#'+$8'../ ,4$;;$+( ,#) ,#4-,,.) ='.=)A

5116 Control Power Failure

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5117 Protection

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5118 Interlocks

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F3, I/=>0?./>1>7:/ 1> >6. C:/>0: S>1>7:/

5131 Indication, Display and Alarms

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'4) ,- <) ;4-=$9)9A





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5132 Indication of Propulsion System Status

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1-4 )'8# ;4-;)..)4A

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5153 Semiconductor Converters (1999)

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5154 Propulsion Cables

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5171 Material Tests

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5172 Temperature Rating

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5173 Protection Against Moisture Condensation

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5174 Prime Movers

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5175 Rotating Machines for Propulsion

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5176 Propulsion Generators

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5179 Semiconductor Converters for Propulsion (2007)

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51710 Reactors and Transformers for Semiconductor Converters

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351 Classified Electrical Equipment in Hazardous Area

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CHAPTER 1 Conditions for Survey After Construction

CHAPTER 2 Survey Intervals

CHAPTER 3 Hull Surveys

CHAPTER 4 Drydocking Surveys

CHAPTER 5 Tailshaft Surveys

CHAPTER 6 Machinery Surveys

CHAPTER 7 Boiler Surveys

CHAPTER 8 Shipboard Automatic and Remote-control Systems

CHAPTER 9 Survey Requirements for Additional Systems and Services

CHAPTER 10 Steel Floating Drydocks

CHAPTER 11 Underwater Vehicles, Systems and Hyperbaric Facilities

CHAPTER 12 Offshore Racing Yachts and Sailing Yachts

APPENDIW



!"%2 ;97# <&)#&)%+&9--= >#4) 0-9&,



Appendix 1

Comparison of the Numbering Systemof the 1997 Rules vs. 2007 Rules



Comparison of the Numbering System of the 1997 Rules vs. the 2007 Rules


!"#$%&''( *"+,$ !"#$%

Part 1Section 1

Classification, Testing and SurveysScope and Conditions of Classification

1/1.1.1 Process 1-1-1/1

1/1.1.2 Certificates and Reports 1-1-1/3

1/1.1.3 Representation as to Classification 1-1-1/51/1.1.4 Scope of Classification 1-1-1/7

1/1.2 Suspension and Cancellation of Classification 1-1-2

1/1.2.1 Termination of Classification 1-1-2/1

1/1.2.2 Notice of Surveys 1-1-2/3

1/1.2.3 Special Notations 1-1-2/5

1/1.2.4 Suspension of Class 1-1-2/7

1/1.2.4a --- 1-1-2/7.1

1/1.2.4b --- 1-1-2/7.3

1/1.2.4c --- 1-1-2/7.5

1/1.2.4c1 --- 1-1-2/7.5i)

1/1.2.4c2 --- 1-1-2/7.5ii)

1/1.2.4c3 --- 1-1-2/7.5iii)

1/1.2.4c4 --- 1-1-2/7.5iv)

1/1.2.4d --- 1-1-2/7.71/1.2.4e --- 1-1-2/7.9

1/1.2.4e1 --- 1-1-2/7.9i)

1/1.2.4e2 --- 1-1-2/7.9ii)

1/1.2.4e3 --- 1-1-2/7.9iii)

1/1.2.4f --- 1-1-2/7.11

1/1.2.4g --- 1-1-2/7.13

1/1.2.4g1 --- 1-1-2/7.13i)

1/1.2.4g2 --- 1-1-2/7.13ii)

1/1.2.4g3 --- 1-1-2/7.13iii)

1/1.2.5 Lifting of Suspension 1-1-2/9

1/1.2.5a --- 1-1-2/9.1

1/1.2.5b --- 1-1-2/9.3

1/1.2.5c --- 1-1-2/9.5

1/1.2.6 Cancellation of Class 1-1-2/111/1.2.6a --- 1-1-2/11.1

1/1.2.6b --- 1-1-2/11.3

1/1.3 Classification Symbols 1-1-3

1/1.3.1 River Service 1-1-3/1

1/1.3.2 Special Rules 1-1-3/3

1/1.3.3 Special Purpose Vessels 1-1-3/5

1/1.3.4 Vessels Not Built Under Survey 1-1-3/7

1/1.3.5 ! AMS Symbols 1-1-3/9

1/1.3.6 AMS Symbols 1-1-3/11

1/1.5 Rules for Classification 1-1-4

1/1.5.1 Application of Rules 1-1-4/1

1/1.5.2 Alternatives 1-1-4/7

1/1.5.2a General 1-1-4/7.1

1/1.5.2b National Regulations 1-1-4/7.31/1.5.2c Other Rules 1-1-4/7.5

1/1.5.2d ABS Type Approval Program 1-1-4/7.7

1/1.5.2d1 Type Approval 1-1-4.7.7.1

1/1.5.2d2 Unit-Certification 1-1-4/7.7.2

1/1.5.2d2a --- 1-1-4/7.7.2i)

1/1.5.2d2b --- 1-1-4/7.7.2ii)

1/1.5.2d2c --- 1-1-4/7.7.2iii)

1/1.5.2d2d --- 1-1-4/7.7.2iv)

1/1.5.2d2e --- 1-1-4/7.7.2v)

1/1.5.2d3 Product Type Approval 1-1-4/7.7.3

1/1.5.2d4 Approval on Behalf of Administrations 1-1-4/7.7.4

1/1.5.2d5 Applicable Uses of Type Approved Products 1-1-4/7.7.5

1/1.5.2d5a --- 1-1-4/7.7.5i)

1/1.5.2d5b --- 1-1-4/7.7.5ii)1/1.5.2d6 Definitions 1-1-4/7.7.6

1/1.5.2d7 The Terms and Conditions for the use of the ABS Type Approved Product Logo 1-1-4/7.7.7





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1/1.5.2d7a --- 1-1-4/7.7.7i)

1/1.5.2d7b --- 1-1-4/7.7.7ii)

1/1.5.2d7c --- 1-1-4/7.7.7iii)

1/1.5.2d7d --- 1-1-4/7.7.7iv)

1/1.5.2d7e --- 1-1-4/7.7.7v)1/1.5.2d7f --- 1-1-4/7.7.7vi)

1/1.5.2d7g --- 1-1-4/7.7.7vii)

1/1.5.2d7h --- 1-1-4/7.7.7viii)

1/1.5.2d7i --- 1-1-4/7.7.7ix)

1/1.5.3 Novel Features 1-1-4/5

1/1.5.4 Effective Date of Rule Change 1-1-4/3

1/1.5.4a Six Month Rule 1-1-4/3.1

1/1.5.4b Implementation of Rule Changes 1-1-4/3.3

1/1.7 Other Regulations 1-1-5

1/1.7.1 General 1-1-5/1

1/1.7.2 Governmental Regulations 1-1-5/3

1/1.7.3 Carriage of Liquefied Gases 1-1-5/5

1/1.9 Submission of Plans 1-1-7

1/1.9.1 Hull Plans 1-1-7/11/1.9.2 Machinery Plans 1-1-7/3

1/1.9.3 Additional Plans 1-1-7/5

1/1.11 Conditions for Surveys After Construction 1-1-8

1/1.11.1 Damage, Failure and Repair 1-1-8/1

1/1.11.1a Examination and Repair 1-1-8/1.1

1/1.11.1b Repairs 1-1-8/1.3

1/1.11.1c Representation 1-1-8/1.5

1/1.11.2 Notification and Availability for Survey 1-1-8/3

1/1.11.3 Attendance at Port State Request 1-1-8/5

1/1.13 Fees 1-1-9

1/1.15 Disagreement 1-1-10

1/1.15.1 Rules 1-1-10/1

1/1.15.2 Surveyors 1-1-10/3

1/1.17 Limitation of Liability 1-1-11Part 1Section 2

Classification, Testing and SurveysTesting and Trials During Construction F Hull

1/2.1 Components to be Tested 3-3-1/1

1/2.1.1 General 3-3-1/1.1

1/2.1.2 Cargo Tanks 3-3-1/1.3

1/2.1.3 Other Compartments Intended for Liquids 3-3-1/1.5

1/2.1.4 Rakes or Peaks 3-3-1/1.7

1/2.1.5 Double Hull Spaces 3-3-1/1.9

1/2.1.6 Shell and Decks 3-3-1/1.11

1/2.3 Testing Details to be Introduced 3-3-1/3

1/2.3.1 Hydrostatic Testing 3-3-1/3.1

1/2.3.2 Hose Testing 3-3-1/3.3

1/2.3.3 Air Testing 3-3-1/3.5

1/2.5 Bilge System Trials 3-3-2/11/2.7 Steering Trials 3-3-2/3

Part 1Section 3

Classification, Testing and SurveysSurveys After Construction

Whole Section

The requirements for \Survey After Construction] in Part 1, Section 3 of the 1997edition of the !0,$1 23% 40",5"67 865 9,811"67 :+$$, ;$11$,1 23% :$%#"<$ 36 !"#$%1 865 =6+%8<381+8, >8+$%?8@1 were relocated to the generically re-titled ABS !0,$1 23% :0%#$@ A2+$% 9361+%0<+"36 BC8%+ (D, which now includes consolidated requirementsapplicable to all types and sizes of vessels, barges and specific shipboard arrangements/systems, etc., as specified in Part 7, Chapter 1, Section 1.

New \Generic]Part 7

Part 2 Materials and Welding

Whole Part

The requirements for \Materials and Welding] in Part 2, of the 1997 edition of the !0,$1 23% 40",5"67 865 9,811"67 :+$$, ;$11$,1 23% :$%#"<$ 36 !"#$%1 865 =6+%8<381+8, >8+$%?8@1 were relocated to the generically re-titled ABS !0,$1 23% E8+$%"8,1 865

>$,5"67 BC8%+ -D, which now includes consolidated requirements applicable to alltypes and sizes of vessels, barges and specific shipboard arrangements/systems, etc.,as specified in the Foreword to Part 2.

New \Generic]

Part 2





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Part 3Section 1

Hull Construction and EquipmentDefinitions

3/1.1 Length 3-1-1/3

3/1.1.1 Barges 3-1-1/3.1

3/1.1.2 Self Propelled Vessels 3-1-1/3.33/1.3 Breadth 3-1-1/5

3/1.5 Depth 3-1-1/7

3/1.7 Design Draft 3-1-1/9

3/1.9 Baseline 3-1-1/11

3/1.11 Truss 3-1-1/13

3/1.13 Amdiships 3-1-1/15

3/1.15 Block Coefficient 3-1-1/17

3/1.17 Double Ended Rake Barge 3-1-1/19

3/1.19 Oil 3-1-1/21

3/1.21 Passenger 3-1-1/23

3/1.23 Superstructure 3-1-1/25

3/1.25 Cargo Area 3-1-1/27

3/1.27 Cargo Pump Room 3-1-1/29

3/1.29 Units 3-1-1/353/1.31 Weathertight 3-1-1/31

3/1.33 Gross Tonnage 3-1-1/33

Part 3Section 2

Hull Construction and EquipmentGeneral

3/2.1 Material 3-1-2/1

3/2.1.1 Steel 3-1-2/1.1

3/2.1.2 Aluminum Alloys 3-1-2/1.3

3/2.1.3 Design Consideration 3-1-2/1.5

3/2.1.4 Guidance for Repair 3-1-2/1.7

3/2.1.5 Materials Containing Asbestos 3-1-2/1.9

3/2.3 Scantlings 3-1-2/3

3/2.3.1 General 3-1-2/3.1

3/2.3.2 Workmanship 3-1-2/3.3

3/2.4 Proportions 3-1-2/53/2.5 Structural Sections 3-1-2/7

3/2.5.1 Required Section Modulus 3-1-2/7.1

3/2.5.2 Serrated Sections 3-1-2/7.3

3/2.7 Structural Design Details 3-1-2/9

3/2.7.1 General 3-1-2/9.1

3/2.7.1a --- 3-1-2/9.1.1

3/2.7.1b --- 3-1-2/9.1.2

3/2.7.1c --- 3-1-2/9.1.3

3/2.7.1c1 --- 3-1-2/9.1.3i)

3/2.7.1c2 --- 3-1-2/9.1.3ii)

3/2.7.1c3 --- 3-1-2/9.1.3iii)

3/2.7.1c4 --- 3-1-2/9.1.3iv)

3/2.7.1d --- 3-1-2/9.1.4

3/2.7.2 Termination of Structural Members 3-1-2/9.3Part 3Section 3

Hull Construction and EquipmentTank Barges

3/3.1 Application 3-2-1/1

3/3.2 Classification 3-2-1/3

3/3.3 Structural Arrangement 3-2-1/5

3/3.3.1 Between the Rakes 3-2-1/5.1

3/3.3.1a Framing 3-2-1/5.1.1

3/3.3.1b Trusses 3-2-1/5.1.2

3/3.3.1c Bilge and Gunwale Brackets 3-2-1/5.1.3

3/3.3.2 Rakes 3-2-1/5.3

3/3.4 Double Skin Construction 3-2-1/5.5

3/3.5 Longitudinal Strength 3-2-1/7

3/3.5.1 Definitions 3-2-1/7.1

3/3.5.1a Limiting Draft 3-2-1/7.1.13/3.5.1b Homogeneous Cargo 3-2-1/7.1.2

3/3.5.1c Approved Cargo Density 3-2-1/7.1.3





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3/3.5.2 Loading Conditions 3-2-1/7.3

3/3.5.2a Normal Condition 3-2-1/7.3.1

3/5.5.2b High Density Cargo Condition 3-2-1/7.3.2

3/3.5.3 Loading/Unloading Sequences and Bending Moment Calculations 3-2-1/7.5

3/3.5.3a Loading/Unloading Sequences 3-2-1/7.5.13/3.5.3b Bending Moment Calculations 3-2-1/7.5.2

3/3.5.3b1 --- 3-2-1/7.5.2i)

3/3.5.3b2 --- 3-2-1/7.5.2ii)

3/3.5.3b3 --- 3-2-1/7.5.2iii)

3/3.5.4 Hull Girder Section Modulus 3-2-1/7.7

3/3.5.5 Items Included in the Section Modulus Calculation 3-2-1/7.9

3/3.6 Deck and Trunk Plating 3-2-1/9


3/3.6.1a Minimum Thickness 3-2-1/9.1.1

3/3.6.1b Thickness for Compression 3-2-1/9.1.2

3/3.6.2 Rake Decks 3-2-1/9.3

3/3.7 Frames 3-2-1/11

3/3.9 Trusses 3-2-1/13

3/3.9.1 Top and Bottom Chords 3-2-1/13.13/3.9.2 Stanchions 3-2-1/13.3

3/3.9.2a Permissible Load 3-2-1/13.3.1

3/3.9.2b Calculated Load 3-2-1/13.3.2

3/3.9.3 Diagonals 3-2-1/13.5

3/3.11 Web Frames, Girders and Stringers 3-2-1/15

3/3.12 Tank Head for Scantlings 3-2-1/17

3/3.12.1 Pressure Setting 0.12 kgf/cm2 (1.7 psi) or Less 3-2-1/17.1

3/3.12.2 Pressure Setting Over 0.12 kgf/cm2 (1.7 psi) 3-2-1/17.3

3/3.13 Bulkheads 3-2-1/19

3/3.13.1 Arrangement 3-2-1/19.1

3/3.13.1a Subdivision 3-2-1/19.1.1

3/3.13.1b Cofferdams 3-2-1/19.1.2

3/3.13.1c Pump Rooms 3-2-1/19.1.3

3/3.13.2 Construction of Tank Boundary Bulkheads 3-2-1/19.33/3.13.2a Plating 3-2-1/19.3.1

3/3.13.2b Stiffening 3-2-1/19.3.2

3/3.13.2c Drainage and Air Escape 3-2-1/19.3.3

3/3.13.3 Construction Of Other Watertight Bulkheads 3-2-1/19.5

3/3.13.3a Plating 3-2-1/19.5.1

3/3.13.3b Stiffening 3-2-1/19.5.2

3/3.15 Shell Plating 3-2-1/21

3/3.15.1 Bottom Shell 3-2-1/21.1

3/3.15.2 Side Shell 3-2-1/21.3

3/3.15.3 Bilge Plating 3-2-1/21.5

3/3.15.4 5Bilge Plating 3-2-1/21.5

3/3.15.5 Bilge Plating 3-2-1/21.5

3/3.17 Hatches and Fittings 3-2-1/23

3/3.17.1 Hatchways 3-2-1/23.13/3.17.2 Deck Fittings 3-2-1/23.3

3/3.19 Barge Reinforcement 3-2-1/25

3/3.19.1 General 3-2-1/25.1

3/3.19.2 Reinforcement 3-2-1/25.3

Table 3/3.2 Brackets 3-2-1/Table 1

Figure 3/3.1 Bilge Bracket 3-2-1/Figure 1

Figure 3/3.2 Intermediate Bilge Bracket 3-2-1/Figure 2

Figure 3/3.3 Alternative Arrangement 3-2-1/Figure 3

Figure 3/3.4 Gunwale Bracket 3-2-1/Figure 4

Figure 3/3.5 Tank Barge 3-2-1/Figure 5



Figure 3/3.8 Double-Skin Tank Barge 3-2-1/Figure 8

Figure 3/3.8a Trunk Top Beam End Connection 3-2-1/Figure 8AFigure 3/3.9 Double-Skin Tank Barge 3-2-1/Figure 9

Figure 3/3.9a Trunk Top Transverse End Connection 3-2-1/Figure 9A





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Figure 3/3.10 Double-Skin Tank Barge 3-2-1/Figure 10

Figure 3/3.11 Rake Framing 3-2-1/Figure 11

Part 3Section 4

Hull Construction and EquipmentDry Cargo Barges

3/4.1 Application 3-2-2/13/4.3 Structural Arrangement 3-2-2/3


3/4.3.1a Framing 3-2-2/3.1.1

3/4.3.1b Trusses 3-2-2/3.1.2

3/4.3.1c Bilge and Gunwale Brackets 3-2-2/3.1.3

3/4.3.2 Rakes 3-2-2/3.3


3/4.4.1 Section Modulus 3-2-2/5.1

3/4.4.2 Section Modulus with Continuous Coaming 3-2-2/5.3

3/4.5 Deck Plating 3-2-2/7

3/4.5.1 Minimum Thickness 3-2-2/7.1


3/4.5.3 Watertight Decks 3-2-2/7.5

3/4.5.4 Cargo Decks 3-2-2/7.73/4.5.5 Wheel Loaded Strength Decks 3-2-2/7.9

3/4.7 Frames 3-2-2/9

3/4.9 Trusses 3-2-2/11

3/4.9.1 Top and Bottom Chords 3-2-2/11.1

3/4.9.2 Stanchions 3-2-2/11.3

3/4.9.2a Permissible Load 3-2-2/11.3.1

3/4.9.2b Calculated Load 3-2-2/11.3.2

3/4.9.3 Diagonals 3-2-2/11.5

3/4.11 Web Frames, Girders and Stringers 3-2-2/13

3/4.13 Bulkheads 3-2-2/15

3/4.13.1 Construction of Tank Boundary Bulkheads 3-2-2/15.1

3/4.13.1a Plating 3-2-2/15.1.1

3/4.13.1b Stiffening 3-2-2/15.1.2

3/4.13.2 Construction of Other Watertight Bulkheads 3-2-2/15.33/4.13.2a Plating 3-2-2/15.3.1

3/4.13.2b Stiffening 3-2-2/15.3.2


3/4.15.1 Bottom Shell 3-2-2/17.1

3/4.15.2 Side Shell 3-2-2/17.3

3/4.15.3 Bilge Plating 3-2-2/17.5

3/4.15.4 Bilge Angles 3-2-2/17.7

3/4.17 Inner Bottoms, Hatches and Fittings 3-2-2/19

3/4.17.1 Inner Bottom Plating 3-2-2/19.1

3/4.17.1a Inner Bottom Plating on which Cargo is to be Carried 3-2-2/19.1.1

3/4.17.1b Inner Bottom Under Wheel Loading 3-2-2/19.1.2

3/4.17.2 Hatchways 3-2-2/19.3

3/4.17.3 Hatch Covers 3-2-2/19.5

3/4.17.3a Within Closed Deck Houses 3-2-2/19.5.13/4.17.3b On Weather Decks 3-2-2/19.5..32

3/4.17.3b Under Wheel Loading 3-2-2/19.5

3/4.17.4 Continuous Longitudinal Hatch Coamings 3-2-2/19.7

3/4.17.5 Deck Fittings 3-2-2/19.9

3/4.17.6 Cargo Boxes 3-2-2/19.11

3/4.19 Barge Reinforcement 3-2-2/21

3/4.19.1 General 3-2-2/21.1

3/4.19.2 Reinforcement 3-2-2/21.3

Figure 3/4.1 Bilge Bracket 3-2-2/Figure 1

Figure 3/4.2 Intermediate Bilge Bracket 3-2-2/Figure 2

Figure 3/4.3 Alternative Arrangement 3-2-2/Figure 3

Figure 3/4.3a Alternative Channel Construction at Bilge 3-2-2/Figure 4

Figure 3/4.4 Deck Barge 3-2-2/Figure 5

Figure 3/4.5 Deck Barge 3-2-2/Figure 6Figure 3/4.6 Deck Barge 3-2-2/Figure 7

Figure 3/4.7 Hopper Barge 3-2-2/Figure 8





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Figure 3/4.8 Hopper Barge 3-2-2/Figure 9

Figure 3/4.9 Double-Skin Hopper Barge 3-2-2/Figure 10

Figure 3/4.10 Double-Skin Hopper Barge with Deck House 3-2-2/Figure 11

Figure 3/4.11 Double-Skin Hopper Barge 3-2-2/Figure 12

Figure 3/4.12 Wheel Loading Curves of F 3-2-2/Figure 13Part 3Section 5

Hull Construction and EquipmentBarges Intended to Carry Dangerous Chemical Cargoes in Bulk



3/5.5 Submission of Data 3-2-3/5

3/5.7 Type I and Type II Barges with Integral Tanks 3-2-3/7

3/5.7.1 Definitions 3-2-3/7.1

3/5.7.1a Type I Barge Hull 3-2-3/7.1.1

3/5.7.1b Type II Barge Hull 3-2-3/7.1.2

3/5.7.1c Limiting Draft 3-2-3/7.1.3

3/5.7.2 Tank Arrangement 3-2-3/7.3

3/5.7.2a Collision Protection 3-2-3/7.3.1

3/5.7.2b Access Opening 3-2-3/7.3.2

3/5.7.3 Longitudinal Strength 3-2-3/7.53/5.7.3a Loading Conditions 3-2-3/7.5.1

3/5.7.3a1 Normal and High Density Cargo Conditions 3-2-3/7.5.1(a)

3/5.7.3a2 Grounding Conditions 3-2-3/7.5.1(b)

3/5.7.3b Hull Girder Bending Moment 3-2-3/7.5.2

3/5.7.3b1 Normal Conditions 3-2-3/7.5.2(a)

3/5.7.3b2 High Density and Grounding Conditions 3-2-3/7.5.2(b)

3/5.7.3c Criterion 3-2-3/7.5.3

3/5.7.3c1 Normal and High Density Cargo Conditions 3-2-3/7.5.3(a)

3/5.7.3c2 Grounding Conditions 3-2-3/7.5.3(b)

3/5.7.4 Deck/Trunk Top Transverse 3-2-3/7.7

3/5.7.5 Transverse Beams 3-2-3/7.9

Part 3Section 6

Hull Construction and EquipmentTowboats

3/6.1 Application 3-2-4/13/6.3 Structural Arrangement 3-2-4/3

3/6.3.1 Framing 3-2-4/3.1

3/6.3.2 Longitudinal Webs 3-2-4/3.3



3/6.5.1 Strength Decks 3-2-4/7.1

3/6.5.2 Other Locations 3-2-4/7.3

3/6.7 Frames 3-2-4/9

3/6.7.1 Bottom Longitudinals 3-2-4/9.1

3/6.7.2 Side and Deck Framing 3-2-4/9.3

3/6.7.3 Framing in Tunnels 3-2-4/9.5

3/6.9 Stanchions 3-2-4/11

3/6.9.1 Permissible Load 3-2-4/11.1

3/6.9.2 Calculated Load 3-2-4/11.33/6.11 Web Frames, Girders and Stringers 3-2-4/13

3/6.13 Bulkheads 3-2-4/15

3/6.13.1 Arrangement 3-2-4/15.1


3/6.13.2a Plating 3-2-4/15.3.1

3/6.13.2b Stiffening 3-2-4/15.3.2

3/6.13.3 Construction of Other Watertight Bulkheads 3-2-4/15.5

3/6.13.3a Plating 3-2-4/15.5.1

3/6.13.3b Stiffening 3-2-4/15.5.2


3/6.15.1 Bottom Shell 3-2-4/17.1

3/6.15.2 Side Shell 3-2-4/17.3

3/6.15.3 Bilge and Tunnel Plating 3-2-4/17.5

3/6.15.4 Bilge Angles 3-2-4/17.73/6.17 Deckhouses 3-2-4/19

3/6.17.1 Scantlings 3-2-4/19.1





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3/6.17.2 Sill Height 3-2-4/19.3

3/6.19 Keels, Stems and Sternframes 3-2-4/21

3/6.19.1 Bar Keels 3-2-4/21.1

3/6.19.2 Flat Plate Keels 3-2-4/21.3

3/6.19.3 Bar Stems 3-2-4/21.53/6.19.4 Sternposts 3-2-4/21.7

3/6.19.5 Sternframes 3-2-4/21.9

3/6.19.5a Inner Posts 3-2-4/21.9.1

3/6.19.5b Outer Posts 3-2-4/21.9.2

3/6.19.5c Shoepiece 3-2-4/21.9.3

3/6.21 Rudders 3-2-4/23

3/6.21.1 Materials 3-2-4/23.1

3/6.21.2 Application 3-2-4/23.3

3/6.21.3 Rudder Stocks 3-2-4/23.5

3/6.21.3a Upper Stocks 3-2-4/23.5.1

3/6.21.3b Lower Stocks 3-2-4/23.5.2

3/6.21.3b1 --- 3-2-4/23.5.2i)

3/6.21.3b2 --- 3-2-4/23.5.2ii)

3/6.21.3b3 --- 3-2-4/23.5.2iii)3/6.21.5 Rudders 3-2-4/23.7

3/6.21.7 Couplings 3-2-4/23.9

Figure 3/6.1 Towboat Framing 3-2-4/Figure 1

Part 3Section 7

Hull Construction and EquipmentPassenger Vessels


3/7.1.1 Service 3-2-5/1.1

3/7.1.2 National Regulations 3-2-5/1.3


3/7.3 Structural Arrangement 3-2-5/5

3/7.3.1 Framing 3-2-5/5.1

3/7.3.2 Longitudinal Webs 3-2-5/5.3


3/7.4.1 Hull Girder Section Modulus 3-2-5/7.13/7.4.2 Hull Girder Moment of Inertia 3-2-5/7.3

3/7.4.3 Hull Girder Shear Strength 3-2-5/7.5


3/7.5.1 Strength Decks 3-2-5/9.1

3/7.5.2 Superstructure Decks 3-2-5/9.3

3/7.5.3 Wheel Loaded Decks 3-2-5/9.5

3/7.5.4 Other Locations 3-2-5/9.7

3/7.7 Frames 3-2-5/11

3/7.7.1 Bottom Longitudinals 3-2-5/11.1

3/7.7.2 Side and Deck Framing 3-2-5/11.3

3/7.7.3 Framing in Tunnels 3-2-5/11.5

3/7.9 Stanchions 3-2-5/13

3/7.9.1 Permissible Load 3-2-5/13.1

3/7.9.2 Calculated Load 3-2-5/13.33/7.9.2a Bottom Support 3-2-5/13.3.1

3/7.9.2b Deck Support 3-2-5/13.3.2

3/7.11 Web Frames. Girders and Stringers 3-2-5/15

3/7.11.1 Proportions 3-2-5/15.1

3/7.11.1a Bottom and Side Web Frames 3-2-5/15.1.1

3/7.11.1b Deck Girders and Transverses 3-2-5/15.1.2

3/7.11.1b1 --- 3-2-5/15.1.2i)

3/7.11.1b2 --- 3-2-5/15.1.2ii)

3/7.13 Bulkheads 3-2-5/17

3/7.13.1 Arrangement 3-2-5/17.1

3/7.13.1a Vessels of 43.5 m (143 ft) in Length or Greater 3-2-5/17.1.1

3/7.13.1b Vessels Under 43.5 m (143 ft) in Length 3-2-5/17.1.2


3/7.13.2a Plating 3-2-5/17.3.13/7.13.2b Stiffeners 3-2-5/17.3.2

3/7.13.2c Girders and Webs 3-2-5/17.3.3





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3/7.13.2c1 Strength Requirements 3-2-5/17.3.3(a)

3/7.13.2c2 Proportions 3-2-5/17.3.3(b)

3/7.13.2c3 Tripping Brackets 3-2-5/17.3.3(c)

3/7.13.3 Construction of Other Watertight Bulkheads 3-2-5/17.5

3/7.13.3a Plating 3-2-5/17.5.13/7.13.3b Stiffeners 3-2-5/17.52.

3/7.13.3c Girders and Webs 3-2-5/17.5.3

3/7.13.3c1 Strength Requirements 3-2-5/17.5.3(a)

3/7.13.3c2 Proportions 3-2-5/17.5.3(b)

3/7.13.3c3 Tripping Brackets 3-2-5/17.5.3(c)


3/7.15.1 Bottom Shell 3-2-5/19.1

3/7.15.2 Side Shell 3-2-5/19.3

3/7.15.3 Bilge and Tunnel Plating 3-2-5/19.5

3/7.15.4 Bilge Angles 3-2-5/19.7

3/7.17 Deckhouses 3-2-5/21

3/7.17.1 Side and End Bulkheads 3-2-5/21.1

3/7.17.1a Plating 3-2-5/21.1.1

3/7.17.1b Stiffeners 3-2-5/21.1.23/7.17.1c Vertical Webs 3-2-5/21.1.3

3/7.17.2 Openings in Bulkheads 3-2-5/21.3

3/7.17.3 Doors for Access Openings 3-2-5/21.5

3/7.17.4 Sills of Access Openings 3-2-5/21.7

3/7.19 Keels, Stems and Stern Frames 3-2-5/23

3/7.19.1 Bar Keels 3-2-5/23.1

3/7.19.2 Flat Plate Keels 3-2-5/23.3

3/7.19.3 Bar Stems 3-2-5/23.5

3/7.19.4 Sternposts 3-2-5/23.7

3/7.19.5 Stern Frames 3-2-5/23.9

3/7.19.5a Inner Posts 3-2-5/23.9.1

3/7.19.5b Outer Posts 3-2-5/23.9.2

3/7.19.5c Shoepiece 3-2-5/23.9.3

3/7.21 Rudders 3-2-5/253/7.21.1 Materials 3-2-5/25.1

3/7.21.2 Application 3-2-5/25.3

3/7.21.3 Rudder Stocks 3-2-5/25.5

3/7.21.3a Upper Stocks 3-2-5/25.5.1

3/7.21.3b Lower Stocks on Vessels with Shoepieces 3-2-5/25.5.2

3/7.21.3b Lower Stocks on Vessels with Spade Rudders 3-2-5/25.5.3

3/7.21.3c Lower Stocks on Vessels with Horns 3-2-5/25.5.4

3/7.21.4 Rudders 3-2-5/25.7

3/7.21.5 Couplings 3-2-5/25.9

3/7.21.6 Rudder Stops 3-2-5/25.11

3/7.21.7 Supporting and Anti-lifting Arrangements 3-2-5/25.13

3/7.23 Subdivision and Stability Section 3-3-1

3/7.23.1 Definitions 3-3-1/1

3/7.23.1a Margin Line 3-3-1/1.13/7.23.1b Deepest Subdivision Draft 3-3-1/1.3

3/7.23.2 Intact Stability 3-3-1/3

3/7.23.2aVessels Over 100 Gross Tons, Greater than 20 m (65 ft) in Length, or Carrying 50 or

More Passengers3-3-1/3.1

3/7.23.2a1 --- 3-3-1/3.1i)

3/7.23.2a2 --- 3-3-1/3.1ii)

3/7.23.2b Self-propelled Vessels Under 100 m (328 ft) in Length 3-3-1/3.3

3/7.23.2b1 Vessels with Maximum Righting Arm Occurring at an Angle of Heel 30° 3-3-1/3.3.1

3/7.23.2b1a --- 3-3-1/3.3.1i)

3/7.23.2b1b --- 3-3-1/3.3.1ii)

3/7.23.2b1c --- 3-3-1/3.3.1iii)

3/7.23.2b1d --- 3-3-1/3.3.1iv)

3/7.23.2b1e --- 3-3-1/3.3.1v)

3/7.23.2b2 Vessels with Maximum Righting Arm Occurring at an Angle of Heel+

30° 3-3-1/3.3.23/7.23.2b2a --- 3-3-1/3.3.2i)

3/7.23.2b2b --- 3-3-1/3.3.2ii)





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3/7.23.2b2c --- 3-3-1/3.3.2iii)

3/7.23.2b2d --- 3-3-1/3.3.2iv)

3/7.23.2b2e --- 3-3-1/3.3.2v)

3/7.23.3 Damage Stability 3-3-1/5

3/7.23.3a Permeability 3-3-1/5.13/7.23.3a1 --- 3-3-1/5.1i)

3/7.23.3a2 --- 3-3-1/5.1ii)

3/7.23.3a3 --- 3-3-1/5.1iii)

3/7.23.3a4 --- 3-3-1/5.1iv)

3/7.23.3b Extent of Damage 3-3-1/5.3

3/7.23.3b1 Vessels of 43.5 m (143 ft) in Length or Greater 3-3-1/5.3.1

3/7.23.3b1a Longitudinal Penetration 3-3-1/5.3.1(a)

3/7.23.3b1b Transverse Penetration 3-3-1/5.3.1(b)

3/7.23.3b1c Vertical Penetration 3-3-1/5.3.1(c)

3/7.23.3b2 Vessels Under 43.5 m (143 ft) in Length 3-3-1/5.3.2

3/7.23.3b2a Longitudinal Penetration 3-3-1/5.3.2(a)

3/7.23.3b2b Transverse Penetration 3-3-1/5.3.2(b)

3/7.23.3b2c Vertical Penetration 3-3-1/5.3.2(c)

3/7.23.4 Portlights in Cargo Spaces Located Below the Margin Line 3-3-1/73/7.23.4a --- 3-3-1/7i)

3/7.23.4b --- 3-3-1/7ii)

3/7.23.4c --- 3-3-1/7iii)

3/7.23.5 Automatic Ventilating Portlights 3-3-1/9

3/7.23.6 Shell Connections Located Below the Margin Line 3-3-1/11

3/7.23.6a --- 3-3-1/11.1

3/7.23.6b --- 3-3-1/11.3

3/7.23.6c --- 3-3-1/11.5

3/7.23.7 Gangway and Cargo Ports Located Below the Margin Line 3-3-1/13

3/7.23.7a --- 3-3-1/13.1

3/7.23.7b --- 3-3-1/13.3

3/7.23.8 Openings and Penetrations in Watertight Bulkheads 3-3-1/15

3/7.23.8a --- 3-3-1/15.1

3/7.23.8b --- 3-3-1/15.33/7.23.8c --- 3-3-1/15.5

3/7.23.8d --- 3-3-1/15.7

3/7.23.8e --- 3-3-1/15.9

3/7.23.9 Doors, Manholes and Access Openings 3-3-1/17

3/7.23.9a --- 3-3-1/17i)

3/7.23.9b --- 3-3-1/17ii)

3/7.23.10 Shaft Tunnel Door and Doors within Propulsion Machinery Spaces 3-3-1/19

3/7.23.11 Watertight Doors in Watertight Bulkheads 3-3-1/21

3/7.23.11a --- 3-3-1/21.1

3/7.23.11b --- 3-3-1/21.3

3/7.23.11c --- 3-3-1/21.5

3/7.23.11d --- 3-3-1/21.7

3/7.23.11e --- 3-3-1/21.9

3/7.23.12 Power-operated Sliding Watertight Doors 3-3-1/233/7.23.12a --- 3-3-1/23.1

3/7.23.12a1 --- 3-3-1/23.1.1

3/7.23.12a2 --- 3-3-1/23.1.2

3/7.23.12a2a --- 3-3-1/23.1.2i)

3/7.23.12a2b --- 3-3-1/23.1.2ii)

3/7.23.12a2c --- 3-3-1/23.1.2iii)

3/7.23.12a3 --- 3-3-1/23.1.3

3/7.23.12a4 --- 3-3-1/23.1.4

3/7.23.12a5 --- 3-3-1/23.1.5

3/7.23.12a6 --- 3-3-1/23.1.6

3/7.23.12a7 --- 3-3-1/23.1.7

3/7.23.12b --- 3-3-1/23.3

3/7.23.12c --- 3-3-1/23.5

3/7.23.12c1 --- 3-3-1/23.5.13/7.23.12c2 --- 3-3-1/23.5.2

3/7.23.12d --- 3-3-1/23.7





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3/7.23.12e --- 3-3-1/23.9

3/7.23.12f --- 3-3-1/23.11

3/7.23.12g --- 3-3-1/23.13

3/7.23.12h --- 3-3-1/23.15

3/7.23.12i Central Operating Console 3-3-1/23.173/7.23.12i1 --- 3-3-1/23.17.1

3/7.23.12i2 --- 3-3-1/23.17.2

3/7.23.12i3 --- 3-3-1/23.17.3

3/7.23.13 Watertight Doors in Cargo Spaces 3-3-1/25

3/7.23.14 Portable Plates 3-3-1/27

3/7.23.15 Miscellaneous 3-3-1/29

3/7.23.15a --- 3-3-1/29.1

3/7.23.15b --- 3-3-1/29.3

3/7.23.15c --- 3-3-1/29.5

3/7.23.16 Watertight Decks, Trunks, Tunnels, Duct Keels and Ventilators 3-3-1/31

3/7.23.17 Inclining Experiment 3-3-1/33

3/7.23.18 Deadweight Survey 3-3-1/35

3/7.23.19 Trim and Stability Booklets 3-3-1/37

3/7.23.20 Damage Control Plans 3-3-1/393/7.25 Life Saving Appliances 3-5-1/3

3/7.25.1 Life Jackets 3-5-1/3.1

3/7.25.2 Life Buoys 3-5-1/3.3

3/7.25.3 Rescue Boats and Life Rafts 3-5-1/3.5

3/7.25.4 Immersion Suits and Thermal Protective Aids 3-5-1/3.7

3/7.25.5 Portable Radio Apparatus 3-5-1/3.9

3/7.25.6 Guards and Rails 3-5-1/3.11

3/7.27 Structural Fire Protection Section 3-4-1

3/7.27.1 Application 3-4-1/1

3/7.27.2 Definitions 3-4-1/3

3/7.27.2a Accommodation Space 3-4-1/3.1

3/7.27.2b Public Space 3-4-1/3.3

3/7.27.2c High Risk Service Space 3-4-1/3.5

3/7.27.2d Special Category Space 3-4-1/3.73/7.27.2e Corridors 3-4-1/3.9

3/7.27.2f Control Stations 3-4-1/3.11

3/7.27.2g Machinery Spaces of Category A 3-4-1/3.13

3/7.27.2g1 --- 3-4-1/3.13i)

3/7.27.2g2 --- 3-4-1/3.13ii)

3/7.27.2g3 --- 3-4-1/3.13iii)

3/7.27.2h Machinery Spaces 3-4-1/3.15

3/7.27.2i Non Combustible Material 3-4-1/3.17

3/7.27.2j Standard Fire Test 3-4-1/3.19

3/7.27.2k \A] Class Division 3-4-1/3.21

3/7.27.2k1 --- 3-4-1/3.21i)

3/7.27.2k2 --- 3-4-1/3.21ii)

3/7.27.2k3 --- 3-4-1/3.21iii)

3/7.27.2k4 --- 3-4-1/3.21iv)3/7.27.2k5 --- 3-4-1/3.21v)

3/7.27.2l \B] Class Division 3-4-1/3.23

3/7.27.2l1 --- 3-4-1/3.23i)

3/7.27.2l2 --- 3-4-1/3.23ii)

3/7.27.2l3 --- 3-4-1/3.23iii)

3/7.27.2l4 --- 3-4-1/3.23iv)

3/7.27.2m Continuous \B] Class Ceilings or Linings 3-4-1/3.25

3/7.27.2n Steel Equivalent Material 3-4-1/3.27

3/7.27.2o Low Flame Spread Surface 3-4-1/3.29

3/7.27.3 Main Vertical ones 3-4-1/5

3/7.27.4 Protection of Accommodation Spaces, Service Spaces and Control Stations 3-4-1/7

3/7.27.4a --- 3-4-1/7.1

3/7.27.4b --- 3-4-1/7.3

3/7.27.4c --- 3-4-1/7.53/7.27.4d --- 3-4-1/7.7

3/7.27.4e --- 3-4-1/7.9





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3/7.27.5 Stairways and Elevators 3-4-1/9

3/7.27.5a --- 3-4-1/9.1

3/7.27.5b --- 3-4-1/9.3

3/7.27.6 Non-combustible Materials 3-4-1/11

3/7.27.6a --- 3-4-1/11.13/7.27.6b --- 3-4-1/11.3

3/7.27.6c --- 3-4-1/11.5

3/7.27.6d --- 3-4-1/11.7

3/7.27.6e --- 3-4-1/11.9

3/7.27.7 Exposed Surfaces, Deck Coverings, and Paints, Varnishes and Other Finishes 3-4-1/13.1

3/7.27.7a --- 3-4-1/13.3

3/7.27.7a1 --- 3-4-1/13.3 bullet

3/7.27.7b --- 3-4-1/13.5

3/7.27.7c --- 3-4-1/13

3/7.27.8 Details of Construction 3-4-1/15

3/7.27.8 --- 3-4-1/15i)

3/7.27.8 --- 3-4-1/15ii)

3/7.27.9 Ventilation 3-4-1/17

3/7.27.9a --- 3-4-1/17.13/7.27.9a1 --- 3-4-1/17.1i)

3/7.27.9a2 --- 3-4-1/17.1ii)

3/7.27.9b --- 3-4-1/17.3

3/7.27.9c --- 3-4-1/17.5

3/7.27.9c1 --- 3-4-1/17.5i)

3/7.27.9c2 --- 3-4-1/17.5ii)

3/7.27.9c3 --- 3-4-1/17.5iii)

3/7.27.9c4 --- 3-4-1/17.5iv)

3/7.27.9c5 --- 3-4-1/17.5v)

3/7.27.9d --- 3-4-1/17.7

3/7.27.10 Miscellaneous Items 3-4-1/19

3/7.27.10a --- 3-4-1/19.1

3/7.27.10b --- 3-4-1/19.3

3/7.27.10c --- 3-4-1/19.53/7.27.10d --- 3-4-1/19.7

3/7.27.11 Means of Escape 3-4-1/21

3/7.27.11a -- 3-4-1/21.1

3/7.27.11b --- 3-4-1/21.3

3/7.27.11c --- 3-4-1/21.5

3/7.27.11d --- 3-4-1/21.7

3/7.27.11e --- 3-4-1/21.9

3/7.27.11f --- 3-4-1/21.11

3/7.27.11g --- 3-4-1/21.13

3/7.27.12 Fire Control Plans 3-4-1/23

3/7.29 Equipment 3-5-1/1

3/7.29.1 General 3-5-1/1.1

3/7.29.3 Berthed Passenger Vessels 3-5-1/1.3

3/7.29.5 Environmental Conditions 3-5-1/1.53/7.29.7 Calculations and Data 3-5-1/1.7

3/7.29.9 Anchor Weight and Cable Size 3-5-1/1.9

Figure 3/7.1 Passenger Vessel Framing 3-2-5/Figure 1

Figure 3/7.2 Rudder Types 3-2-5/Figure 2

Part 3Section 8

Hull Construction and EquipmentWeld Design

3/8.1 Fillet Welds 3-2-6/1

3/8.1.1 General 3-2-6/1.1

3/8.1.2 Tee-Type Boundary Connections 3-2-6/1.3

3/8.1.3 Tee-Type End Connections 3-2-6/1.5

3/8.1.4 Other Tee-Type Connections 3-2-6/1.7

3/8.1.5 Lapped Joints 3-2-6/1.9

3/8.1.6 Overlapped End Connections 3-2-6/1.11

3/8.1.7 Overlapped Seams 3-2-6/1.133/8.1.8 Plug Welds or Slot Welds 3-2-6/1.15

3/8.2 Alternatives 3-2-6/3





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Table 3/8.1 Double Continuous Fillet Weld Sizes – Millimeters 3-2-6/Table 1

Table 3/8.1 Double Continuous Fillet Weld Sizes – Inches 3-2-6/Table 1

Table 3/8.2 Intermittent Fillet Weld Sizes and Spacing – Millimeters 3-2-6/Table 2

Table 3/8.2 Intermittent Fillet Weld Sizes and Spacing – Inches 3-2-6/Table 2

Part 4Section 1 Machinery Equipment and SystemsMachinery Equipment and Installation

4/1.1 General 4-1-1/1

4/1.1.1 Gross Tonnage 4-1-1/1.1

4/1.3 Certification of Machinery 4-1-1/3

4/1.3.1 Basic Requirements 4-1-1/3.1

4/1.3.2 Type Approval Program 4-1-1/3.3

4/1.3.3 Non-mass Produced Machinery 4-1-1/3.5

4/1.3.4 Details of Certification of Some Representative Products 4-1-1/3.7

4/1.5 Machinery Plans and Data 4-1-1/5

4/1.5.1 Details 4-1-1/5.1

4/1.5.2 Submissions 4-1-1/5.3

4/1.6 Oil Fuel Unit 4-1-1/7

4/1.7 Machinery Space Ventilation 4-1-1/9

4/1.9 Units 4-1-1/234/1.11 Boilers and Pressure Vessels 4-1-1/11

4/1.13 Turbines, Engines and Reduction Gears 4-1-1/13

4/1.15 Engine Installation Particulars 4-1-1/15

4/1.15.1 Tank Barges 4-1-1/15.1

4/1.15.2 Engine Exhausts on Tank Barges 4-1-1/15.3

4/1.17 Starting Arrangements for Propulsion Engines 4-1-1/17

4/1.17.1 Starting Air System 4-1-1/17.1

4/1.17.1a Compressors 4-1-1/17.1.1

4/1.17.1b Containers 4-1-1/17.1.2

4/1.17.1b1 Diesel Propulsion 4-1-1/17.1.2(a)

4/1.17.1b2 Diesel-electric Propulsion 4-1-1/17.1.2(b)

4/1.17.2 Starting Batteries 4-1-1/17.3

4/1.17.3 Hydraulic Steering 4-1-1/17.5

4/1.19 Trial 4-1-1/194/1.19.1 General 4-1-1/19.1

4/1.19.2 Steering Gear 4-1-1/19.3

4/1.19.3 Reduction Gears for Propulsion 4-1-1/19.5

4/1.21 Materials Containing Asbestos 4-1-1/21

Part 4Section 2

Machinery Equipment and SystemsPropellers and Propulsion Shafting

4/2.1 General4-2-1/14-2-2/1

4/2.3 Propellers Section 4-2-2

4/2.3.1 Materials and Testing 4-2-2/3

4/2.3.1a Propeller Material 4-2-2/3.1

4/2.3.1b Stud Material 4-2-2/3.3

4/2.3.2 Blade Design 4-2-2/5

4/2.3.2a Blade Thickness 4-2-2/5.14/2.3.2a1 Fixed-pitch Propellers 4-2-2/5.1

4/2.3.2a2 Controllable-pitch Propellers 4-2-2/5.1

4/2.3.2b Blade-root Fillets 4-2-2/5.3

4/2.3.2c Built-up Blades 4-2-2/5.5

4/2.3.2d Tip Thickness 4-2-2/5.7

4/2.3.2e Blade Thickness at Other Radii 4-2-2/5.9

4/2.3.3 Studs 4-2-2/7

4/2.3.3a Stud Area 4-2-2/7.1

4/2.3.3b Fit of Studs and Nuts 4-2-2/7.3

4/2.3.4 Blade Flange and Mechanisms 4-2-2/9

4/2.3.5 Key 4-2-2/11

4/2.3.6 Protection Against Corrosion 4-2-2/13

4/2.5 Shafting Section 4-2-1

4/2.5.1 Line Shaft, Tail Shaft, Tube Shaft and Thrust Shaft Diameters 4-2-1/34/2.5.2 Line Shaft Bearing Locations 4-2-1/5

4/2.5.3 Inboard End – Tail Shaft 4-2-1/7





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4/2.5.4 Propeller-end Design – Tail Shaft 4-2-1/9

4/2.5.4a Propeller Forward End 4-2-1/9.1

4/2.5.4b Propeller Aft End 4-2-1/9.3

4/2.5.4c Non-corrosive Non-pitting Alloys 4-2-1/9.5

4/2.5.5 Propeller-end Design 4-2-1/114/2.5.5a Water-lubricated Bearings 4-2-1/11.1

4/2.5.5b Oil-lubricated Bearings 4-2-1/11.3

4/2.5.6 Tail-shaft Liners 4-2-1/13

4/2.5.6a Thickness at Bearings 4-2-1/13.1

4/2.5.6b Thickness between Bearings 4-2-1/13.3

4/2.5.6c Continuous Liners 4-2-1/13.5

4/2.5.6d Fit between Bearings 4-2-1/13.7

4/2.5.6e Material and Fit 4-2-1/13.9

4/2.5.6f After-end Seal 4-2-1/13.11

4/2.5.6g Glass Reinforced Plastic Coating 4-2-1/13.13

4/2.5.7 Hollow Shafts 4-2-1/15

4/2.5.8 Coupling Bolts 4-2-1/17

Part 4

Section 3

Machinery Equipment and Systems

Steering Gears4/3.1 Steering Gear Requirements for All Types of Vessels 4-2-3/1

4/3.1.1 General 4-2-3/1.1

4/3.1.2 Plans 4-2-3/1.3

4/3.1.3 Power Gear Stops 4-2-3/1.5

4/3.1.4 Strength Requirements 4-2-3/1.7

4/3.1.5 Steering Chains 4-2-3/1.9

4/3.1.6 Sheaves 4-2-3/1.11

4/3.1.7 Buffers 4-2-3/1.13

4/3.1.8 Hydraulic Piping for Steering Gears 4-2-3/1.15

4/3.1.9 Electrical Parts of Steering Gears 4-2-3/1.17

4/3.1.10 Trials 4-2-3/1.19

4/3.1.10a Towboats and Tugs 4-2-3/1.19.1

4/3.1.10b Passenger Vessels and Other Self-propelled Vessels 4-2-3/1.19.2

4/3.2 Steering Gear for Passenger Vessels Over 100 Gross Tons or Carrying More than150 Passengers 4-2-3/3

4/3.2.1 General 4-2-3/3.1

4/3.2.1a Design 4-2-3/3.1.1

4/3.2.1b Special Steering 4-2-3/3.1.2

4/3.2.1c Single Failure 4-2-3/3.1.3

4/3.2.2 Plans 4-2-3/3.3

4/3.2.3 Steering-gear Protection 4-2-3/3.5

4/3.2.4 Power-driven Steering Gear 4-2-3/3.7

4/3.2.5 Mechanical Components 4-2-3/3.9

4/3.2.6 Power Units 4-2-3/3.11

4/3.2.6a Definitions 4-2-3/3.11.1

4/3.2.6a1 Electric Steering Gear 4-2-3/3.11.1i)

4/3.2.6a2 Electro-hydraulic Steering Gear 4-2-3/3.11.1ii)

4/3.2.6a3 Other Hydraulic Steering Gear 4-2-3/3.11.1iii)4/3.2.6b Composition 4-2-3/3.11.2

4/3.2.6c Testing 4-2-3/3.11.3

4/3.2.6c1 --- 4-2-3/3.11.3i)

4/3.2.6c2 --- 4-2-3/3.11.3ii)

4/3.2.7 Mechanical Steering 4-2-3/3.13

4/3.2.8 Material 4-2-3/3.15

4/3.2.8a General 4-2-3/3.15.1

4/3.2.8b Material Test Attendance 4-2-3/3.15.2

4/3.2.9 Transfer 4-2-3/3.17

4/3.2.10 Power-gear Stops 4-2-3/3.19

4/3.2.11 Rudder Actuators 4-2-3/3.21

4/3.2.11a General 4-2-3/3.21.1

4/3.2.11b Non-duplicated Rudder Actuators 4-2-3/3.21.2

4/3.2.11c Oil Seals 4-2-3/3.21.34/3.2.12 Piping Arrangement 4-2-3/3.23

4/3.2.12a General 4-2-3/3.23.1





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4/3.2.12b Requirements 4-2-3/3.23.2

4/3.2.12c Valves 4-2-3/3.23.3

4/3.2.12d Relief Valves 4-2-3/3.23.4

4/3.2.12e Filtration 4-2-3/3.23.5

4/3.2.12f Storage Tank 4-2-3/3.23.64/3.2.12g Testing 4-2-3/3.23.7

4/3.2.12g1 Shop Tests 4-2-3/3.23.7(a)

4/3.2.12g2 Installation Test 4-2-3/3.23.7(b)

4/3.2.13 Controls 4-2-3/3.25

4/3.2.13a General 4-2-3/3.25.1

4/3.2.13b Control System Disconnect 4-2-3/3.25.2

4/3.2.13c Communications 4-2-3/3.25.3

4/3.2.14 Instrumentation and Alarms 4-2-3/3.27

4/3.2.14a Rudder Position Indicator 4-2-3/3.27.1

4/3.2.14b Power Failure 4-2-3/3.27.2

4/3.2.14c Motor Alarms 4-2-3/3.27.3

4/3.2.14d Control Power Failure 4-2-3/3.27.4

4/3.2.14e Motor Running Indicators 4-2-3/3.27.5

4/3.2.14f Low Oil-level Alarm 4-2-3/3.27.64/3.2.14g Hydraulic Lock 4-2-3/3.27.7

4/3.2.14h Autopilot Override 4-2-3/3.27.8

4/3.2.15 Electrical Components 4-2-3/3.29

4/3.2.16 Operating Instructions 4-2-3/3.31

4/3.2.17 Trials 4-2-3/3.33

4/3.2.17a --- 4-2-3/3.33.1

4/3.2.17a1 Full Speed Trial 4-2-3/3.33.1(a)

4/3.2.17a2 Half Speed Trial 4-2-3/3.33.1(b)

4/3.2.17b --- 4-2-3/3.33.2

4/3.2.17c --- 4-2-3/3.33.3

4/3.2.17d --- 4-2-3/3.33.4

4/3.2.17e --- 4-2-3/3.33.5

4/3.2.17f --- 4-2-3/3.33.6

4/3.2.17g --- 4-2-3/3.33.74/3.2.17h --- 4-2-3/3.33.8

Part 4Section 4

Machinery Equipment and SystemsElectrical Installations


4/4.3 Definitions 4-5-1/3

4/4.3.1 Earthed distribution System 4-5-1/3.1

4/4.3.2 Essential Services 4-5-1/3.3

4/4.3.3 Explosion-proof (Flameproof) Equipment 4-5-1/3.5

4/4.3.4 Hazardous Area (Hazardous Location) 4-5-1/3.7

4/4.3.5 Hull-return System 4-5-1/3.9

4/4.3.6 Intrinsically-safe 4-5-1/3.11

4/4.3.6a Category \ia] 4-5-1/3.11.1

4/4.3.7 Increased Safety 4-5-1/3.13

4/4.3.8 Non-periodic Duty Rating 4-5-1/3.154/4.3.9 Non-sparking Fan 4-5-1/3.17

4/4.3.10 Periodic Duty Rating 4-5-1/3.19

4/4.3.11 Portable Apparatus 4-5-1/3.21

4/4.3.12 Pressurized Equipment 4-5-1/3.23

4/4.3.13 Semi-enclosed Space 4-5-1/3.25

4/4.3.14 Separate Circuit 4-5-1/3.27

4/4.3.15 Short Circuit 4-5-1/3.29

4/4.3.16 Short-time Rating 4-5-1/3.21

4/4.5 Plans and Data to be Submitted 4-5-1/5

4/4.7 Standard Distribution System 4-5-1/7

4/4.9 Voltage and Frequency Variations 4-5-1/9

4/4.10 Inclinations 4-5-1/11

4/4.11 Materials 4-5-1/13

4/4.13 Insulation Material 4-5-1/154/4.13.1 Class A Insulation 4-5-1/15.1

4/4.13.2 Class B Insulation 4-5-1/15.3





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4/4.13.3 Class E Insulation 4-5-1/15.5

4/4.13.4 Class F Insulation 4-5-1/15.7

4/4.13.5 Class H Insulation 4-5-1/15.9

4/4.13.6 Insulation for Temperatures Above 180°C (356°F) 4-5-1/15.11

4/4.15 Degree of Protection for Enclosures 4-5-1/174/4.17 Temperature Ratings 4-5-1/19

4/4.17.1 General 4-5-1/19.1

4/4.17.2 Reduced Ambient Temperature 4-5-1/19.3

4/4.17.2a Environmentally Controlled Spaces 4-5-1/19.3.1

4/4.17.2a1 --- 4-5-1/19.3.1i)

4/4.17.2a2 --- 4-5-1/19.3.1ii)

4/4.17.2a3 --- 4-5-1/19.3.1iii)

4/4.17.2a4 --- 4-5-1/19.3.1iv)

4/4.17.2b Rating of Cables 4-5-1/19.3.2

4/4.17.2c Ambient temperature Control Equipment 4-5-1/19.3.3

4/4.19 Clearances and Creepage Distances 4-5-1/21

4/4.21 Service Trial 4-5-1/23

4/4.21.1 Electrical Installations for Ship Services 4-5-1/23.1

4/4.21.2 Communication Facilities 4-5-1/23.3Table 4/4.1 Voltage and Frequency Variations 4-5-1/Table 1

Table 4/4.2 Degree of Protection – indicated by the first characteristic numeral 4-5-1/Table 2

Table 4/4.3 Degree of Protection – indicated by the second characteristic numeral 4-5-1/Table 3

Table 4/4.4 Primary Essential Services 4-5-1/Table 4

Table 4/4.5 Secondary Essential Services 4-5-1/Table 5

Part 4Section 4Part A

Machinery Equipment and SystemsElectrical InstallationsShipboard Systems

4/4A1 Plans and Data to be Submitted 4-5-2/1

4/4A1.1 Wiring 4-5-2/1.1

4/4A1.1.1 Systems 4-5-2/1.1.1

4/4A1.1.2 Data for Wiring Systems 4-5-2/1.1.2

4/4A1.3 Short-circuit Data 4-5-2/1.3

4/4A1.5 Protective Device Coordination 4-5-2/1.54/4A1.7 Load Analysis 4-5-2/1.7

4/4A2 Main Source of Power 4-5-2/3

4/4A2.1 Propulsion 4-5-2/3.1

4/4A2.2 Ships Service 4-5-2/3.3

4/4A2.3 Main Transformers 4-5-2/3.5

4/4A3 Emergency Source of Power 4-5-2/5

4/4A3.1 Non-passenger Vessels 4-5-2/5.1

4/4A3.1a --- 4-5-2/5.1i)

4/4A3.1b --- 4-5-2/5.1ii)

4/4A3.1c --- 4-5-2/5.1iii)

4/4A3.2 Passenger Vessels 4-5-2/5.3

4/4A4 Distribution System 4-5-2/7

4/4A4.1 Ship Service Distribution System 4-5-2/7.1

4/4A4.1.1 General 4-5-2/7.1.14/4A4.1.2 Method of Distribution 4-5-2/7.1.2

4/4A4.1.3 Through-feed Arrangements 4-5-2/7.1.3

4/4A4.1.4 Motor Control Center 4-5-2/7.1.4

4/4A4.1.5 Motor Branch Circuit 4-5-2/7.1.5

4/4A4.1.6 Ventilation System 4-5-2/7.1.6

4/4A4.1.7 Heating Appliances 4-5-2/7.1.7

4/4A4.1.8 Circuits for Bunker or Cargo Space 4-5-2/7.1.8

4/4A4.3 Hull Return System 4-5-2/7.3

4/4A4.3.1 General 4-5-2/7.3.1

4/4A4.3.1a All Vessels 4-5-2/7.3.1(a)

4/4A4.3.1a1 --- 4-5-2/7.3.1(a)i)

4/4A4.3.1a2 --- 4-5-2/7.3.1(a)ii)

4/4A4.3.1a3 --- 4-5-2/7.3.1(a)iii)

4/4A4.3.1b Tankers 4-5-2/7.3.1(b)4/4A4.3.2 Final Subcircuits and Earth Wires 4-5-2/7.3.2

4/4A4.5 Earthed Distribution System 4-5-2/7.5





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4/4A4.7 External or Shore Power Supply Connection 4-5-2/7.7

4/4A4.7.1 General 4-5-2/7.7.1

4/4A4.7.2 Earthing Terminal 4-5-2/7.7.2

4/4A4.7.3 Indicators 4-5-2/7.7.3

4/4A4.7.4 Polarity or Phase Sequence 4-5-2/7.7.44/4A4.7.5 Information Plate 4-5-2/7.7.5

4/4A4.7.6 Securing of Trailing Cable 4-5-2/7.7.6

4/4A4.9 Harmonics 4-5-2/7.9

4/4A5 Circuit Protection System 4-5-2/9

4/4A5.1 System Design 4-5-2/9.1

4/4A5.1.1 General 4-5-2/9.1.1

4/4A5.1.1a --- 4-5-2/9.1.1i)

4/4A5.1.1b --- 4-5-2/9.1.1ii)

4/4A5.1.1c --- 4-5-2/9.1.1iii)

4/4A5.1.1i --- 4-5-2/9.1.1i)

4/4A5.1.1ii --- 4-5-2/9.1.1ii)

4/4A5.1.2 Protection Against Short-circuit 4-5-2/9.1.2

4/4A5.1.2a Protective Devices 4-5-2/9.1.2(a)

4/4A5.1.2b Rated Short-circuit Breaking Capacity 4-5-2/9.1.2(b)4/4A5.1.2c Rated Short-circuit Making Capacity 4-5-2/9.1.2(c)

4/4A5.1.3 Protection Against Overload 4-5-2/9.1.3

4/4A5.1.3a Circuit Breakers 4-5-2/9.1.3(a)

4/4A5.1.3b Fuses 4-5-2/9.1.3(b)

4/4A5.1.3c Rating 4-5-2/9.1.3(c)

4/4A5.1.3d Indication 4-5-2/9.1.3(d)

4/4A5.1.4 Cascade System (Back-up Protection) 4-5-2/9.1.4

4/4A5.1.4a General 4-5-2/9.1.4(a)

4/4A5.1.4b Application 4-5-2/9.1.4(b)

4/4A5.1.5 Coordinated Tripping 4-5-2/9.1.5

4/4A5.1.5a --- 4-5-2/9.1.5(a)

4/4A5.1.5b --- 4-5-2/9.1.5(b)

4/4A5.1.5c --- 4-5-2/9.1.5(c)

4/4A5.3 Protection for Generators 4-5-2/9.34/4A5.3.1 General 4-5-2/9.3.1

4/4A5.3.2 Trip Setting for Coordination 4-5-2/9.3.2

4/4A5.3.3 Load Shedding Arrangements 4-5-2/9.3.3

4/4A5.3.3a Provision for Load Sharing Arrangements 4-5-2/9.3.3(a)

4/4A5.3.3a1 --- 4-5-2/9.3.3(a)i)

4/4A5.3.3a2 --- 4-5-2/9.3.3(a)ii)

4/4A5.3.3b Services not Allowed for Shedding 4-5-2/9.3.3(b)

4/4A5.3.3b1 --- 4-5-2/9.3.3(b)i)

4/4A5.3.3b2 --- 4-5-2/9.3.3(b)ii)

4/4A5.3.3b3 --- 4-5-2/9.3.3(b)iii)

4/4A5.3.4 Emergency Generator 4-5-2/9.3.4

4/4A5.5 Protection for Alternating-current (AC) Generators 4-5-2/9.5

4/4A5.5.1 Short-time Delay Trip 4-5-2/9.5.1

4/4A5.5.2 Parallel Operation 4-5-2/9.5.24/4A5.5.2a Instantaneous Trip 4-5-2/9.5.2(a)

4/4A5.5.2b Reverse Power Protection 4-5-2/9.5.2(b)

4/4A5.5.2c Undervoltage Protection 4-5-2/9.5.2(c)

4/4A5.7 Protection for Direct Current (DC) Generators 4-5-2/9.7

4/4A5.7.21 Instantaneous Trip 4-5-2/9.7.1

4/4A5.7.2 Parallel Operation 4-5-2/9.7.2

4/4A5.7.2a Reverse Power Protection 4-5-2/9.7.2(a)

4/4A5.7.2b Generator Ammeter Shunts 4-5-2/9.7.2(b)

4/4A5.7.2c Undervoltage Protection 4-5-2/9.7.2(c)

4/4A5.9 Protection for Accumulator Batteries 4-5-2/9.9

4/4A5.11 Protection for External or Shore Power Supply 4-5-2/9.11

4/4A5.11.1 General 4-5-2/9.11.1

4/4A5.11.2 Interlocking Arrangement 4-5-2/9.11.2

4/4A5.13 Protection for Motor Branch Circuits 4-5-2/9.134/4A5.13.1 General 4-5-2/9.13.1

4/4A5.13.2 Direct-current Motor Branch Circuits 4-5-2/9.13.2





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4/4A5.13.3 Alternating-current Motor Branch Circuits 4-5-2/9.13.3

4/4A5.13.4 Motor Running Protection 4-5-2/9.13.4

4/4A5.13.5 Undervoltage Protection and Undervoltage Release 4-5-2/9.13.5

4/4A5.15 Protection for Transformer Circuits 4-5-2/9.15

4/4A5.15.1 Setting of Overcurrent Device 4-5-2/9.15.14/4A5.15.2 Parallel Operation 4-5-2/9.15.2

4/4A5.17 Protection for Meters, Pilot Lamps and Control Circuits 4-5-2/9.17

4/4A6 Systems for Steering Gear 4-5-2/11

4/4A6.1 Power Supply Feeder 4-5-2/11.1

4/4A6.3 Protection for Steering Gear Motor Circuit 4-5-2/11.3

4/4A6.3.1 Short Circuit Protection 4-5-2/11.3.1

4/4A6.3.2 Undervoltage Release 4-5-2/11.3.3

4/4A6.5 Controls, Instrumentation and Alarms 4-5-2/11.5

4/4A7 Lighting and Navigation Light System 4-5-2/13

4/4A7.1 Lighting System 4-5-2/13.1

4/4A7.1.1 Main Lighting System 4-5-2/13.1.1

4/4A7.1.2 System Arrangement 4-5-2/13.1.2

4/4A7.1.2a Main Lighting System 4-5-2/13.1.2(a)

4/4A7.1.2b Emergency Lighting System 4-5-2/13.1.2(b)4/4A7.1.3 Lighting Circuits 4-5-2/13.1.3

4/4A7.1.3a Machinery Spaces 4-5-2/13.1.3(a)

4/4A7.1.3b Cargo Spaces 4-5-2/13.1.3b)

4/4A7.1.4 Protection for Lighting Circuits 4-5-2/13.1.4

4/4A7.1.5 Low Voltage System Systems, 0-50 Volts 4-5-2/13.1.5

4/4A7.3 Navigation Light System 4-5-2/13.3

4/4A7.3.1 Feeders 4-5-2/13.3.1

4/4A7.3.2 Navigation Light Indicator 4-5-2/13.3.2

4/4A7.3.3 Protection 4-5-2/13.3.3

4/4A7.4 Emergency and Interior-communication Switchboard 4-5-2/13.5

4/4A9 Refrigerated Space Alarm 4-5-2/15

4/4A10 Fire Protection Systems 4-5-2/17

4/4A10.1 Emergency Stop 4-5-2/17.1

4/4A10.1.1 Ventilation System 4-5-2/17.1.14/4A10.1.1a General 4-5-2/17.1.1(a)

4/4A10.1.1b Machinery Space Ventilation 4-5-2/17.1.1(b)

4/4A10.1.1c Ventilation Other Than Machinery Space 4-5-2/17.1.1(c)

4/4A10.1.2 Fuel Oil Units 4-5-2/17.1.2

4/4A10.1.3 Fire Detection and Alarm System 4-5-2/17.1.3

Part 4Section 4Part B

Machinery Equipment and SystemsElectrical InstallationsShipboard Installation

4/4B1 Plans and Data to be Submitted 4-5-3/1

4/4B1.1 Booklet of Standard Details 4-5-3/1.1

4/4B1.3 Arrangement of Electrical Equipment 4-5-3/1.3

4/4B1.5 Electrical Equipment in Hazardous Areas 4-5-3/1.5

4/4B2 Electrical Installation and Arrangement 4-5-3/3

4/4B2.1 General Consideration 4-5-3/3.14/4B2.1.1 Equipment Location 4-5-3/3.1.1

4/4B2.1.1a General 4-5-3/3.1.1

4/4B2.1.1bEquipment in Areas Protected by Local Fixed Pressure Water-spraying and Water-mist Fire Extinguishing System in Machinery Spaces

4-5-3/3.1.2

Figure 4/4B.1Example of Protected Area of Direct Spray and Adjacent Area where Water MayExtend

4-5-3/Figure 1

4/4B2.1.2 Protection from Bilge Water 4-5-3/3.1.3

4/4B2.1.3 Accessibility 4-5-3/3.1.3

4/4B2.3 Generators 4-5-3/3.3

4/4B2.5 Ship Service Motors 4-5-3/3.5

4/4B2.5.1 General 4-5-3/3.5.1

4/4B2.5.2 Pump Motors 4-5-3/3.5.2

4/4B2.5.3 Motors on Weather Decks 4-5-3/3.5.3

4/4B2.5.4 Motors Below Decks 4-5-3/3.5.44/4B2.7 Accumulator Batteries 4-5-3/3.7

4/4B2.7.1 General 4-5-3/3.7.1





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4/4B2.7.2 Battery Installation and Arrangements 4-5-3/3.7.2

4/4B2.7.2a Large Batteries 4-5-3/3.7.2(a)

4/4B2.7.2b Moderate-size Batteries 4-5-3/3.7.2(b)

4/4B2.7.2c Small Batteries 4-5-3/3.7.2(c)

4/4B2.7.2d Low-hydrogen-emission Battery Installations 4-5-3/3.7.2(d)4/4B2.7.2d1 --- 4-5-3/3.7.2(d)i)

4/4B2.7.2d2 --- 4-5-3/3.7.2(d)ii)

4/4B2.7.2e Battery Trays 4-5-3/3.7.2(e)

4/4B2.7.2f Identification of Battery Types 4-5-3/3.7.2(f)

4/4B2.7.3 Ventilation 4-5-3/3.7.3

4/4B2.7.3a Battery Rooms 4-5-3/3.7.3(a)

4/4B2.7.3b Battery Lockers 4-5-3/3.7.3(b)

4/4B2.7.3c Deck Boxes 4-5-3/3.7.3(c)

4/4B2.7.3d Small Battery Boxes 4-5-3/3.7.3(d)

4/4B2.7.4 Protection from Corrosion 4-5-3/3.7.4

4/4B2.9 Switchboard 4-5-3/3.9

4/4B2.11 Distribution Boards 4-5-3/3.11

4/4B2.11.1 Location and Protection 4-5-3/3.11.1

4/4B2.11.2 Switchboard-type Distribution Boards 4-5-3/3.11.24/4B2.11.3 Safety-type Panels 4-5-3/3.11.3

4/4B2.13 Motor Controllers and Control Centers 4-5-3/3.13

4/4B2.13.1 Location and Installation 4-5-3/3.13.1

4/4B2.13.2 Disconnecting Arrangements 4-5-3/3.13.2

4/4B2.13.2a Device 4-5-3/3.13.2(a)

4/4B2.13.2b Location 4-5-3/3.13.2(b)

4/4B2.13.2c Locking 4-5-3/3.13.2(c)

4/4B2.13.2d Identification Plate 4-5-3/3.13.2(d)

4/4B2.13.2e Open and Close Indications 4-5-3/3.13.2(e)

4/4B2.13.3 Indicating Light Circuits 4-5-3/3.13.3

4/4B2.15 Resistors for Control Apparatus 4-5-3/3.15

4/4B2.17 Lighting Fixtures 4-5-3/3.17

4/4B2.19 Heating Equipment 4-5-3/3.19

4/4B2.21 Magnetic Compasses 4-5-3/3.214/4B2.23 Portable Equipment and Outlets 4-5-3/3.23

4/4B2.25 Receptacles and Plugs of Different Ratings 4-5-3/3.25

4/4B3 Cable Installation 4-5-3/5

4/4B3.1 General Considerations 4-5-3/5.1

4/4B3.1.1 Continuity of Cabling 4-5-3/5.1.1

4/4B3.1.2 Choice of Cables 4-5-3/5.1.2

4/4B3.1.3 Cable Voltage Drop for New Installations 4-5-3/5.1.3

4/4B3.1.4 Restricted Location of Cabling 4-5-3/5.1.4

4/4B3.1.5 Means of Drainage from Cable Enclosures 4-5-3/5.1.5

4/4B3.1.6 High Voltage Cables 4-5-3/5.1.6

4/4B3.1.7 Paint on Cables 4-5-3/5.1.7

4/4B3.1.8 Cable Installation above High-voltage Switchgear and Control-gear 4-5-3/5.1.8

4/4B3.3 Insulation Resistance for New Installation 4-5-3/5.3

4/4B3.5 Protection for Electric-magnetic Induction 4-5-3/5.54/4B3.5.1 Multiple Conductor Cables 4-5-3/5.5.1

4/4B3.5.2 Single Conductor Cables 4-5-3/5.5.2

4/4B3.5.2a --- 4-5-3/5.5.2(a)

4/4B3.5.2b --- 4-5-3/5.5.2(b)

4/4B3.5.2c --- 4-5-3/5.5.2(c)

4/4B3.5.3 Non-shielded Signal Cables 4-5-3/5.5.3

4/4B3.7 Joints and Sealing 4-5-3/5.7

4/4B3.9 Support and Bending 4-5-3/5.9

4/4B3.9.1 Support and Fixing 4-5-3/5.9.1

4/4B3.9.1a --- 4-5-3/5.9.1(a)

4/4B3.9.1b --- 4-5-3/5.9.1(b)

4/4B3.9.1c --- 4-5-3/5.9.1(c)

4/4B3.9.1d --- 4-5-3/5.9.1(d)

4/4B3.9.1e --- 4-5-3/5.9.1(e)4/4B3.9.1f --- 4-5-3/5.9.1(f)

4/4B3.9.2 Bending Radius 4-5-3/5.9.2





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4/4B3.9.3 Plastic Cable Trays and Protective Casings 4-5-3/5.9.3

4/4B3.9.3a Installations 4-5-3/5.9.3(a)

4/4B3.9.3b Safe Working Load 4-5-3/5.9.3(b)

4/4B3.9.3c Cable Occupation Ratio in Protective Casing 4-5-3/5.9.3(c)

4/4B3.9.3d Type Testing 4-5-3/5.9.3(d)4/4B3.11 Cable Run in Bunches 4-5-3/5.11

4/4B3.11.1 Reduction of Current Rating 4-5-3/5.11.1

4/4B3.11.2 Clearance and Segregation 4-5-3/5.11.2

4/4B3.11.3 Cable of Lower Conductor Temperature 4-5-3/5.11.3

4/4B3.13 Deck and Bulkhead Penetrations 4-5-3/5.13

4/4B3.15 Mechanical Protection 4-5-3/5.15

4/4B3.15.1 Metallic Armor 4-5-3/5.15.1

4/4B3.15.2 Conduit Pipe or Structural Shapes 4-5-3/5.15.2

4/4B3.17 Emergency and Essential Feeders 4-5-3/5.17

4/4B3.17.1 Location 4-5-3/5.17.1

4/4B3.17.2 Requirements by the Governmental Authority 4-5-3/5.17.2

4/4B3.19 Mineral Insulated Cables 4-5-3/5.19

4/4B3.21 Fiver Optic Cables 4-5-3/5.21

4/4B3.23 Battery Room 4-5-3/5.234/4B3.25 Paneling and Dome Fixtures 4-5-3/5.25

4/4B3.27 Sheathing and Structural Insulation 4-5-3/5.27

4/4B3.29 Splicing of Electrical Cables 4-5-3/5.29

4/4B3.29.1 Basis of Approval 4-5-3/5.29.1

4/4B3.29.2 Installation 4-5-3/5.29.2

4/4B3.29.3 Protection 4-5-3/5.29.3

4/4B3.31 Splicing of Fiber Optic Cables 4-5-3/5.31

4/4B3.33 Cable Junction Box 4-5-3/5.33

4/4B3.33.1 --- 4-5-3/5.33.1

4/4B3.33.2 --- 4-5-3/5.33.2

4/4B3.33.3 --- 4-5-3/5.33.3

4/4B3.33.3a --- 4-5-3/5.33.3(a)

4/4B3.33.3b --- 4-5-3/5.33.3(b)

4/4B3.33.3c --- 4-5-3/5.33.3(c)4/4B3.33.4 --- 4-5-3/5.33.4

4/4B3.33.5 --- 4-5-3/5.33.5

4/4B4 Earthing 4-5-3/7

4/4B4.1 General 4-5-3/7.1

4/4B4.3 Permanent Equipment 4-5-3/7.3

4/4B4.5 Connections 4-5-3/7.5

4/4B4.5.1 General 4-5-3/7.5.1

4/4B4.5.2 Earthed Distribution System 4-5-3/7.5.2

4/4B4.5.3 Connection to Hull Structure 4-5-3/7.5.3

4/4B4.7 Portable Cords 4-5-3/7.7

4/4B4.9 Cable Metallic Covering 4-5-3/7.9

4/4B4.11 Lighting Earth Conductors 4-5-3/7.11

4/4B5 Installation in Cargo Hold for Dry Bulk Cargoes 4-5-3/9

4/4B5.1 Equipment 4-5-3/9.14/4B5.3 Self-unloading Controls and Alarms 4-5-3/9.3

4/4B5.3.1 General 4-5-3/9.3.1

4/4B5.3.2 Monitors 4-5-3/9.3.2

4/4B5.3.3 Emergency Shutdowns 4-5-3/9.3.3

4/4B7 Equipment and Installation in Hazardous Areas 4-5-3/11

4/4B7.1 General Consideration 4-5-3/11.1

4/4B7.1.1 General 4-5-3/11.1.1

4/4B7.1.2 Lighting Circuits 4-5-3/11.1.2

4/4B7.1.3 Cables Installation 4-5-3/11.1.3

4/4B7.1.4 Permanent Warning Plates 4-5-3/11.1.4

4/4B7.3 Certified-safe Type and Pressurized Equipment and Systems 4-5-3/11.3

4/4B7.3.1 Installation Approval 4-5-3/11.3.1

4/4B7.3.2 Intrinsically-safe Systems 4-5-3/11.3.2

4/4B7.3.2a Installation of Cables and Wiring 4-5-3/11.3.2(a)4/4B7.3.2b Separation and Mechanical Protection 4-5-3/11.3.2(b)

4/4B7.3.2b1 --- 4-5-3/11.3.2(b)i)





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4/4B7.3.2b2 --- 4-5-3/11.3.2(b)ii)

4/4B7.3.2b3 --- 4-5-3/11.3.2(b)iii)

4/4B7.3.2b4 --- 4-5-3/11.3.2(b)iv)

4/4B7.3.2c Sub-compartment 4-5-3/11.3.2(c)

4/4B7.3.2d Termination Arrangements 4-5-3/11.3.2(d)4/4B7.3.2d1 --- 4-5-3/11.3.2(d)i)

4/4B7.3.2d2 --- 4-5-3/11.3.2(d)ii)

4/4B7.3.2e Identification Plate 4-5-3/11.3.2(e)

4/4B7.3.2f Replacement 4-5-3/11.3.2(f)

4/4B7.3.3 Pressurized Equipment 4-5-3/11.3.3

4/4B7.5 Paint Stores 4-5-3/11.5

4/4B7.5.1 General 4-5-3/11.5.1

4/4B7.5.1a --- 4-5-3/11.5.1i)

4/4B7.5.1b --- 4-5-3/11.5.1ii)

4/4B7.5.1c --- 4-5-3/11.5.1iii)

4/4B7.5.1d --- 4-5-3/11.5.1iv)

4/4B7.5.1e --- 4-5-3/11.5.1v)

4/4B7.5.2 Open Area Near Ventilation Openings 4-5-3/11.5.2

4/4B7.5.3 Enclosed Access Spaces 4-5-3/11.5.34/4B7.5.3a --- 4-5-3/11.5.3i)

4/4B7.5.3b --- 4-5-3/11.5.3ii)

4/4B7.5.3c --- 4-5-3/11.5.3iii)

4/4B7.7 Non-sparking Fans 4-5-3/11.7

4/4B7.7.1 Design Criteria 4-5-3/11.7.1

4/4B7.7.1a Air Gap 4-5-3/11.7.1(a)

4/4B7.7.1b Protection Screen 4-5-3/11.7.1(b)

4/4B7.7.2 Materials 4-5-3/11.7.2

4/4B7.7.2a Impeller and Its Housing 4-5-3/11.7.2(a)

4/4B7.7.2b Electrostatic Charges 4-5-3/11.7.2(b)

4/4B7.7.2c Acceptable Combination of Materials 4-5-3/11.7.2(c)

4/4B7.7.2c1 --- 4-5-3/11.7.2(c)i)

4/4B7.7.2c2 --- 4-5-3/11.7.2(c)ii)

4/4B7.7.2c3 --- 4-5-3/11.7.2(c)iii)4/4B7.7.2c4 --- 4-5-3/11.7.2(c)iv)

4/4B7.7.2d Unacceptable Combination of Materials 4-5-3/11.7.2(d)

4/4B7.7.2d1 --- 4-5-3/11.7.2(d)i)

4/4B7.7.2d2 --- 4-5-3/11.7.2(d)ii)

4/4B7.7.2d3 --- 4-5-3/11.7.2(d)iii)

4/4B7.7.3 Type Test 4-5-3/11.7.3

Table 4/4B1 Minimum Degree of Protection 4-5-3/Table 1

Table 4/4B2 Minimum Bending Radii of Cables 4-5-3/Table 2

Table 4/4B3 Size of Earth-continuity Conductors and Earthing Connections 4-5-3/Table 3

Part 4Section 4Part C

Machinery Equipment and SystemsElectrical InstallationsMachinery and Equipment

4/4C1 Plans and Data to be Submitted 4-5-4/1

4/4C1.1 Generators and Motors of 100 kW and Over 4-5-4/1.14/4C1.3 Generators and Motors Below 100 kW 4-5-4/1.3

4/4C1.5Switchboards, Distribution Boards, etc., for Essential or Emergency Services or RMC Certification

4-5-4/1.5

4/4C2 Rotating Machines 4-5-4/3

4/4C2.1 General 4-5-4/3.1

4/4C2.1.1 Application 4-5-4/3.1.1

4/4C2.1.2 Certification on Basis of an Approved Quality Assurance Program 4-5-4/3.1.2

4/4C2.1.3 References 4-5-4/3.1.3

4/4C2.1.3a Inclination 4-5-4/3.1.3(a)

4/4C2.1.3b Insulation 4-5-4/3.1.3(b)

4/4C2.1.3c Capacity of Generators 4-5-4/3.1.3(c)

4/4C2.1.3d Power Supply by Generators 4-5-4/3.1.3(d)

4/4C2.1.3e Protection for Generator Circuits 4-5-4/3.1.3(e)

4/4C2.1.3f Protection for Motor Circuits 4-5-4/3.1.3(f)4/4C2.1.3g Installation 4-5-4/3.1.3(g)

4/4C2.1.3h Protection Enclosures and its Selection 4-5-4/3.1.3(h)





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4/4C2.3 Testing and Inspection 4-5-4/3.3

4/4C2.3.1 Applications 4-5-4/3.3.1

4/4C2.3.1a Machines of 100 kW and Over 4-5-4/3.3.1(a)

4/4C2.3.1b Machines Below 100 kW 4-5-4/3.3.1(b)

4/4C2.3.2 Special Testing Arrangements 4-5-4/3.3.24/4C2.5 Insulation Resistance Measurement 4-5-4/3.5

4/4C2.6 Overload and Overcurrent Capacity 4-5-4/3.7

4/4C2.6.1 AC Generators 4-5-4/3.7.1

4/4C2.6.2 AC Motors 4-5-4/3.7.2

4/4C2.6.2a Over-current Capacity 4-5-4/3.7.2(a)

4/4C2.6.2b Overload Capacity 4-5-4/3.7.2(b)

4/4C2.6.2c Overload Capacity for Synchronous Motors 4-5-4/3.7.2(c)

4/4C2.7 Dielectric Strength of Insulation 4-5-4/3.9

4/4C2.7.1 Application 4-5-4/3.9.1

4/4C2.7.2 Standard Voltage Test 4-5-4/3.9.2

4/4C2.7.3 Direct Current Test 4-5-4/3.9.3

4/4C2.9 Temperature Ratings 4-5-4/3.11

4/4C2.9.1 Temperature Rises 4-5-4/3.11.1

4/4C2.9.1a Continuous Rating Machines 4-5-4/3.11.1(a)4/4C2.9.1b Short-time Rating Machines 4-5-4/3.11.1(b)

4/4C2.9.1c Periodic Duty Rating Machines 4-5-4/3.11.1(c)

4/4C2.9.1d Non-periodic Duty Rating Machines 4-5-4/3.11.1(d)

4/4C2.9.1e Insulation Material Above 180°C (356°F) 4-5-4/3.11.1(e)

4/4C2.9.2 Ambient Temperature 4-5-4/3.11.2

4/4C2.11 Construction and Assemblies 4-5-4/3.13

4/4C2.11.1 Enclosure, Frame and Pedestals 4-5-4/3.13.1

4/4C2.11.2 Shafts and Couplings 4-5-4/3.13.2

4/4C2.11.3 Circulating Currents 4-5-4/3.13.3

4/4C2.11.4 Rotating Machines 4-5-4/3.13.4

4/4C2.11.5 Insulation of Windings 4-5-4/3.13.5

4/4C2.11.6 Protection Against Cooling Water 4-5-4/3.13.6

4/4C2.11.7 Moisture-condensation Prevention 4-5-4/3.13.7

4/4C2.11.8 Terminal Arrangements 4-5-4/3.13.84/4C2.11.9 Nameplates 4-5-4/3.13.9

4/4C2.13 Lubrication 4-5-4/3.15

4/4C2.15 Turbines for Generators 4-5-4/3.17

4/4C2.15.1 Operating Governor 4-5-4/3.17.1

4/4C2.15.1a Transient Frequency Variations 4-5-4/3.17.1(a)

4/4C2.15.1a1 --- 4-5-4/3.17.1(a)i)

4/4C2.15.1a2 --- 4-5-4/3.17.1(a)ii)

4/4C2.15.1b Frequency Variations at Steady State 4-5-4/3.17.1(b)

4/4C2.15.2 Overspeed Governor 4-5-4/3.17.2

4/4C2.15.3 Exhaust Steam to the Turbines 4-5-4/3.17.3

4/4C2.15.4 Extraction of Steam 4-5-4/3.17.4

4/4C2.15.5 Power Output of Gas Turbines 4-5-4/3.17.5

4/4C2.17 Diesel Engines for Generators 4-5-4/3.19

4/4C2.17.1 Operating Governor 4-5-4/3.19.14/4C2.17.1a Transient Frequency Variations 4-5-4/3.19.1(a)

4/4C2.17.1a1 --- 4-5-4/3.19.1(a)i)

4/4C2.17.1a2 --- 4-5-4/3.19.1(a)ii)

4/4C2.17.1a3 --- 4-5-4/3.19.1(a)iii)

4/4C2.17.1b Frequency Variations at Steady State 4-5-4/3.19.1(b)

4/4C2.17.1c Emergency Generator Prime Movers 4-5-4/3.19.1(c)

4/4C2.17.2 Overspeed Governor 4-5-4/3.19.2

4/4C2.19 Alternating-current (AC) Generators 4-5-4/3.21

4/4C2.19.1 Control and Excitation of Generators 4-5-4/3.21.1

4/4C2.19.2 Voltage Regulation 4-5-4/3.21.2

4/4C2.19.2a Voltage Regulators 4-5-4/3.21.2(a)

4/4C2.19.2b Steady Conditions 4-5-4/3.21.2(b)

4/4C2.19.2c Short Circuit Conditions 4-5-4/3.21.2(c)

4/4C2.19.3 Parallel Operation 4-5-4/3.21.34/4C2.19.3a Reactive Load Sharing 4-5-4/3.21.3(a)

4/4C2.19.3b Load Sharing 4-5-4/3.21.3(b)





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4/4C2.19.3c Facilities for Load Adjustment 4-5-4/3.21.3(c)

4/4C2.21 Direct-current (DC) Generators 4-5-4/3.23

4/4C2.21.1 Control and Excitation of Generators 4-5-4/3.23.1

4/4C2.21.1a Field Regulations 4-5-4/3.23.1(a)

4/4C2.21.1b Polarity of Series Windings 4-5-4/3.23.1(b)4/4C2.21.1c Equalizer Connections 4-5-4/3.23.1(c)

4/4C2.21.2 Voltage Regulation 4-5-4/3.23.2

4/4C2.21.2a Shunt or Stabilized Shunt-wound Generator 4-5-4/3.23.2(a)

4/4C2.21.2b Compound-wound Generator 4-5-4/3.23.2(b)

4/4C2.21.2c Automatic Voltage Regulators 4-5-4/3.23.2(c)

4/4C2.21.3 Parallel Operation 4-5-4/3.23.3

4/4C2.21.3a Stability 4-5-4/3.23.3(a)

4/4C2.21.3b Load Sharing 4-5-4/3.23.3(b)

4/4C2.21.3c Tripping of Circuit Breaker 4-5-4/3.23.3(c)

4/4C3 Accumulator Batteries 4-5-4/5

4/4C3.1 General 4-5-4/5.1

4/4C3.1.1 Application 4-5-4/5.1.1

4/4C3.1.2 Sealed Type Batteries 4-5-4/5.1.2

4/4C3.1.3 References 4-5-4/5.1.34/4C3.1.3a Emergency Services 4-5-4/5.1.3(a)

4/4C3.1.3b Protection of Batteries 4-5-4/5.1.3(b)

4/4C3.1.3c Battery Installation 4-5-4/5.1.3(c)

4/4C3.1.3d Cable Installation 4-5-4/5.1.3(d)

4/4C3.3 Construction and Assembly 4-5-4/5.3

4/4C3.3.1 Cells and Filling Plugs 4-5-4/5.3.1

4/4C3.3.2 Crates and Trays 4-5-4/5.3.2

4/4C3.3.3 Nameplate 4-5-4/5.3.3

4/4C3.5 Engine-starting Battery 4-5-4/5.5

4/4C4 Switchboards, Distribution Boards, Chargers and Controllers 4-5-4/7

4/4C4.1 General 4-5-4/7.1

4/4C4.1.1 Applications 4-5-4/7.1.1

4/4C4.1.2 References 4-5-4/7.1.2

4/4C4.1.2a Inclination 4-5-4/7.1.2(a)4/4C4.1.2b Emergency Switchboard 4-5-4/7.1.2(b)

4/4C4.1.2c Circuit Breakers 4-5-4/7.1.2(c)

4/4C4.1.2d Feeder Protection 4-5-4/7.1.2(d)

4/4C4.1.2e Hull Return and Earthed Distribution Systems 4-5-4/7.1.2(e)

4/4C4.1.2f Earthing 4-5-4/7.1.2(f)

4/4C4.1.2g Installation 4-5-4/7.1.2(g)

4/4C4.1.2h Protection Enclosures and its Selection 4-5-4/7.1.2(h)

4/4C4.3 Testing and Inspection 4-5-4/7.3

4/4C4.3.1 Applications 4-5-4/7.3.1

4/4C4.3.1a For Essential or Emergency Services 4-5-4/7.3.1(a)

4/4C4.3.1b For Non-essential or Non-emergency Services 4-5-4/7.3.1(b)

4/4C4.3.1c Motor Control Centers 4-5-4/7.3.1(c)

4/4C4.3.1d Battery Chargers and Discharging Board 4-5-4/7.3.1(d)

4/4C4.3.1e Test Items 4-5-4/7.3.1(e)4/4C4.3.2 Special Testing Arrangements 4-5-4/7.3.2

4/4C4.5 Insulation Resistance Measurement 4-5-4/7.5

4/4C4.7 Dielectric Strength of Insulation 4-5-4/7.7

4/4C4.7a --- 4-5-4/7.7i)

4/4C4.7b --- 4-5-4/7.7ii)

4/4C4.7.1 Production-line Apparatus 4-5-4/7.7.1

4/4C4.7.2 Devices with Low Insulation Strength 4-5-4/7.7.2


4/4C4.9.1 Enclosures and Assemblies 4-5-4/7.9.1

4/4C4.9.2 Dead Front 4-5-4/7.9.2

4/4C4.9.3 Mechanical Strength 4-5-4/7.9.3

4/4C4.9.4 Mechanical Protection 4-5-4/7.9.4

4/4C4.11 Bus Bars, Wiring and Contacts 4-5-4/7.11

4/4C4.11.1 Design 4-5-4/7.11.14/4C4.11.2 Operating Temperature of Bus Bars 4-5-4/7.11.2

4/4C4.11.3 Short Circuit Rating 4-5-4/7.11.3





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4/4C4.11.4 Internal Wiring 4-5-4/7.11.4

4/4C4.11.5 Arrangement 4-5-4/7.11.5

4/4C4.11.5a Accessibility 4-5-4/7.11.5(a)

4/4C4.11.5b Locking of Connections 4-5-4/7.11.5(b)

4/4C4.11.5c Soldered Connections 4-5-4/7.11.5(c)4/4C4.11.6 Clearances and Creepage Distances 4-5-4/7.11.6

4/4C4.11.7 Terminals 4-5-4/7.11.7

4/4C4.13 Control and Protective Devices 4-5-4/7.13

4/4C4.13.1 Circuit-disconnecting Devices 4-5-4/7.13.1

4/4C4.13.1a Systems Exceeding 55 Volts 4-5-4/7.13.1(a)

4/4C4.13.1b Systems of 55 Volts and Less 4-5-4/7.13.1(b)

4/4C4.13.1c Disconnect Device 4-5-4/7.13.1(c)

4/4C4.13.2 Arrangement of Equipment 4-5-4/7.13.2

4/4C4.13.2a Air Circuit Breakers 4-5-4/7.13.2(a)

4/4C4.13.2b Voltage Regulators 4-5-4/7.13.2(b)

4/4C4.13.2c Equipment Operated in High Temperature 4-5-4/7.13.2(c)

4/4C4.13.2d Accessibility to Fuses 4-5-4/7.13.2(d)

4/4C4.13.2e Protective Device for Instrumentation 4-5-4/7.13.2(e)

4/4C4.13.2f Wearing Parts 4-5-4/7.13.2(f)4/4C4.13.3 Markings 4-5-4/7.13.3

4/4C4.15 Switchboards 4-5-4/7.15

4/4C4.15.1 Handrails 4-5-4/7.15.1

4/4C4.15.2 Main Bus Bar Subdivision 4-5-4/7.15.2

4/4C4.15.3 Equalizer Circuit for Direct-current (DC) Generators 4-5-4/7.15.3

4/4C4.15.3a Equalizer Main Circuit 4-5-4/7.15.3(a)

4/4C4.15.3b Equalizer Bus Bars 4-5-4/7.15.3(b)

4/4C4.15.4 Equipment and Instrumentation 4-5-4/7.15.4

4/4C4.17 Motor Controllers and Control Centers 4-5-4/7.17

4/4C4.17.1 Enclosures and Assemblies 4-5-4/7.17.1

4/4C4.17.2 Disconnect Switches and Circuit Breakers 4-5-4/7.17.2

4/4C4.17.3 Auto-starters 4-5-4/7.17.3

4/4C4.19 Battery Chargers 4-5-4/7.19

4/4C4.19.1 Charging Capacity 4-5-4/7.19.14/4C4.19.2 Equipment and Instrumentation 4-5-4/7.19.2

4/4C4.19.2a Power Supply Disconnecting Switch 4-5-4/7.19.2(a)

4/4C4.19.2b Pilot Lamp 4-5-4/7.19.2(b)

4/4C4.19.2c Charging Voltage Adjuster 4-5-4/7.19.2(c)

4/4C4.19.2d Voltmeter 4-5-4/7.19.2(d)

4/4C4.19.2e Ammeter 4-5-4/7.19.2(e)

4/4C4.19.2f Discharge Protection 4-5-4/7.19.2(f)

4/4C4.19.2g Current Limiting Constant Voltage 4-5-4/7.19.2(g)

4/4C5 Transformers 4-5-4/9

4/4C5.1 General 4-5-4/9.1

4/4C5.1.1 Applications 4-5-4/9.1.1

4/4C5.1.2 References 4-5-4/9.1.2

4/4C5.1.2a Power Supply Arrangement 4-5-4/9.1.2(a)

4/4C5.1.2b Protection 4-5-4/9.1.2(b)4/4C5.1.2c Protection Enclosures and its Selection 4-5-4/9.1.2(c)

4/4C5.1.3 Forced Cooling Arrangement (Air or Liquid) 4-5-4/9.1.3

4/4C5.3 Temperature Rise 4-5-4/9.3


4/4C5.5.1 Windings 4-5-4/9.5.1

4/4C5.5.2 Terminals 4-5-4/9.5.2

4/4C5.5.3 Nameplate 4-5-4/9.5.3

4/4C5.5.4 Prevention of the Accumulation of Moisture 4-5-4/9.5.4

4/4C5.7 Testing 4-5-4/9.7

4/4C5.7a --- 4-5-4/9.7i)

4/4C5.7b --- 4-5-4/9.7ii)

4/4C5.7c --- 4-5-4/9.7iii)

4/4C6 Other Electric and Electronics Devices 4-5-4/11

4/4C6.1 Circuit Breakers 4-5-4/11.14/4C6.1.1 General 4-5-4/11.1.1

4/4C6.1.2 Mechanical Property 4-5-4/11.1.2





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4/4C6.1.3 Isolation 4-5-4/11.1.3

4/4C6.3 Fuses 4-5-4/11.3

4/4C6.5 Semiconductor Converters 4-5-4/11.5

4/4C6.5.1 General 4-5-4/11.5.1

4/4C6.5.2 Cooling Arrangements 4-5-4/11.5.24/4C6.5.3 Accessibility 4-5-4/11.5.3

4/4C6.5.4 Nameplate 4-5-4/11.5.4

4/4C6.7 Cable Junction Boxes 4-5-4/11.7

4/4C6.7.1 General 4-5-4/11.7.1

4/4C6.7.2 Design and Construction 4-5-4/11.7.2

4/4C7 Cables and Wires 4-5-4/13

4/4C7.1 Cable Construction 4-5-4/13.1

4/4C7.1.1 General 4-5-4/13.1.1

4/4C7.1.2 Flame Retardant Property 4-5-4/13.1.2

4/4C7.1.2a Standards 4-5-4/13.1.2(a)

4/4C7.1.2b Alternative Arrangement 4-5-4/13.1.2(b)

4/4C7.1.3 Fire Resistant Property 4-5-4/13.1.3

4/4C7.1.4 Insulation Material 4-5-4/13.1.4

4/4C7.1.5 Armor for Single-conductor Cables 4-5-4/13.1.54/4C7.1.6 Fiber Optic Cables 4-5-4/13.1.6

4/4C7.3 --- ---

4/4C7.5 Portable and Flexing Electric Cables 4-5-4/13.3

4/4C7.7 Mineral-insulated Metal-sheathed Cable 4-5-4/13.5

Table 4/4C1 Factory Testing Schedule for Rotating Machines of 100 kW and Over 4-5-4/Table 1

Table 4/4C2 Dielectric Strength Test for Rotating Machines 4-5-4/Table 2

Table 4/4C3 Limits of Temperature Rise for Air-cooled Rotating Machines 4-5-4/Table 3

Table 4/4C4 Nameplates 4-5-4/Table 4

Table 4/4C5Factory Testing Schedule for Switchboards, Chargers, Motor Control Centers and

Controllers4-5-4/Table 5

Table 4/4C6Clearance and Creepage Distance for Switchboards, Distribution Boards, Chargers,

Motor Control Centers and Controllers4-5-4/Table 6

Table 4/4C7 Equipment and Instrumentation for Switchboard 4-5-4/Table 7

Table 4/4C8 Temperature Rise for Transformers 4-5-4/Table 8Table 4/4C9 Types of Cable Insulation 4-5-4/Table 9

Table 4/4C10 Maximum Current Carrying Capacity for Insulated Copper Wires and Cables 4-5-4/Table 10

Part 4Section 4Part D

Machinery Equipment and SystemsElectrical InstallationsSpecialized Installations

4/4D1 High Voltage Systems 4-5-5/1

4/4D1.1 General 4-5-5/1.1

4/4D1.1.1 Application 4-5-5/1.1.1

4/4D1.1.2 Standard Voltages 4-5-5/1.1.2

4/4D1.1.3 Air Clearance and Creepage Distances 4-5-5/1.1.3

4/4D1.1.3a Air Clearance 4-5-5/1.1.3(a)

4/4D1.1.3b Creepage Distances 4-5-5/1.1.3(b)

4/4D1.3 System Design 4-5-5/1.3

4/4D1.3.1 Selective Coordination 4-5-5/1.3.14/4D1.3.2 Earthed Neutral Systems 4-5-5/1.3.2

4/4D1.3.2a Neutral Earthing 4-5-5/1.3.2(a)

4/4D1.3.2b Equipment 4-5-5/1.3.2(b)

4/4D1.3.3 Neutral Disconnection 4-5-5/1.3.3

4/4D1.3.4 Hull Connection of Earthing Impedance 4-5-5/1.3.4

4/4D1.3.5 Earth Fault Detection 4-5-5/1.3.5

4/4D1.3.6 Number and Capacity of Transformers 4-5-5/1.3.6

4/4D1.5 Circuit Breakers and Switches – Auxiliary Circuit Power Supply Systems 4-5-5/1.5

4/4D1.5.1 Source and Capacity of Power Supply 4-5-5/1.5.1

4/4D1.5.2 Number of External Sources or Stored Energy 4-5-5/1.5.2

4/4D1.7 Circuit Protection 4-5-5/1.7

4/4D1.7.1 Protection of Generator 4-5-5/1.7.1

4/4D1.7.2 Protection of Power Transformers 4-5-5/1.7.2

4/4D1.7.2a Coordinated Trips of Protective Devices 4-5-5/1.7.2(a)4/4D1.7.2ai) --- 4-5-5/1.7.2(a)i)

4/4D1.7.2aii) --- 4-5-5/1.7.2(a)ii)





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4/4D1.7.2b Load Shedding Arrangement 4-5-5/1.7.2(b)

4/4D1.7.2c Protection from Electrical Disturbance 4-5-5/1.7.2(c)

4/4D1.7.2d Detection of Phase-to-phase Internal Faults 4-5-5/1.7.2(d)

4/4D1.7.2e Protection from Earth-faults 4-5-5/1.7.2(e)

4/4D1.7.2f Transformers Arranged in Parallel 4-5-5/1.7.2(f04/4D1.7.3 Voltage Transformers for Control and Instrumentation 4-5-5/1.7.3

4/4D1.7.4 Fuses 4-5-5/1.7.4

4/4D1.7.5 Over Voltage Protection 4-5-5/1.7.5

4/4D1.7.5i) --- 4-5-5/1.7.5i)

4/4D1.7.5ii) --- 4-5-5/1.7.5ii)

4/4D1.7.5iii) --- 4-5-5/1.7.5iii)

4/4D1.9 Equipment Installation and Arrangement 4-5-5/1.9

4/4D1.9.1 Degree of Protection 4-5-5/1.9.1

4/4D1.9.2 Protective Arrangements 4-5-5/1.9.2

4/4D1.9.2a Interlocking Arrangements 4-5-5/1.9.2(a)

4/4D1.9.2b Warning Plate 4-5-5/1.9.2(b)

4/4D1.9.3 Cables 4-5-5/1.9.3

4/4D1.9.3a Runs of Cables 4-5-5/1.9.3(a)

4/4D1.9.3b Segregation 4-5-5/1.9.3(b)4/4D1.9.3c Installation Arrangements 4-5-5/1.9.3(c)

4/4D1.9.3d Termination and Splices 4-5-5/1.9.3(d)

4/4D1.9.3e Marking 4-5-5/1.9.3(e)

4/4D1.9.3f Test After Installation 4-5-5/1.9.3(f)

4/4D1.11 Machinery and Equipment 4-5-5/1.11

4/4D1.11.1 Rotating Machines 4-5-5/1.11.1

4/4D1.11.1a Protection 4-5-5/1.11.1(a)

4/4D1.11.1b Windings 4-5-5/1.11.1(b)

4/4D1.11.1c Temperature Detectors 4-5-5/1.11.1(c)

4/4D1.11.1d Cooler ---

4/4D1.11.1e Space Heater 4-5-5/1.11.1(d)

4/4D1.11.1f Tests 4-5-5/1.11.1(e)

4/4D1.11.2 Switchgear and Control-gear Assemblies 4-5-5/1.11.2

4/4D1.11.2a Protection 4-5-5/1.11.2(a)4/4D1.11.2b Mechanical Construction 4-5-5/1.11.2(b)

4/4D1.11.2c Configuration 4-5-5/1.11.2(c)

4/4D1.11.2d Clearance and Creepage Distances 4-5-5/1.11.2(d)

4/4D1.11.2e Locking Facilities 4-5-5/1.11.2(e)

4/4D1.11.2f Shutters 4-5-5/1.11.2(f)

4/4D1.11.2g Earthing and Short-circuiting Facilities 4-5-5/1.11.2(g)

4/4D1.11.2h Tests 4-5-5/1.11.2(h)

4/4D1.11.3 Transformers 4-5-5/1.11.3

4/4D1.11.3a Application 4-5-5/1.11.3(a)

4/4D1.11.3b Plans 4-5-5/1.11.3(b)

4/4D1.11.3c Enclosure 4-5-5/1.11.3(c)

4/4D1.11.3d Space Heater 4-5-5/1.11.3(d)

4/4D1.11.3e Testing 4-5-5/1.11.3(e)

4/4D1.11.3ei) --- 4-5-5/1.11.3(e)i)4/4D1.11.3eii) --- 4-5-5/1.11.3(e)ii)

4/4D1.11.3f Nameplate 4-5-5/1.11.3(f)

4/4D1.11.4 Cables 4-5-5/1.11.4

4/4D1.11.4a Standards 4-5-5/1.11.4(a)

4/4D2 Bridge Control of Propulsion Machinery 4-5-5/3

4/4D2.1 Control Capability 4-5-5/3.1

4/4D2.2 Emergency Stopping 4-5-5/3.3

4/4D2.3 Order of Control Station Command 4-5-5/3.5

4/4D2.4 Local Control 4-5-5/3.7

4/4D2.5 Bridge Control Indicators 4-5-5/3.9

4/4D3 Electric Propulsion System 4-5-5/5

4/4D3.1 Application 4-5-5/5.1

4/4D3.3 Plans and Data to be Submitted 4-5-5/5.3

4/4D3.5 Propulsion Power Supply Systems 4-5-5/5.54/4D3.5.1 Propulsion Generators 4-5-5/5.5.1

4/4D3.5.1a Power Supply 4-5-5/5.5.1(a)





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4/4D3.5.1b Single System 4-5-5/5.5.1(b)

4/4D3.5.1c Multiple Systems 4-5-5/5.5.1(c)

4/4D3.5.1d Excitation Systems 4-5-5/5.5.1(d)

4/4D3.5.1e Features for Other Services 4-5-5/5.5.1(e)

4/4D3.5.2 Propulsion Excitation 4-5-5/5.5.24/4D3.5.2a Excitation Circuits 4-5-5/5.5.2(a)

4/4D3.5.2b Field Circuits 4-5-5/5.5.2(b)

4/4D3.5.2c Ships Service Generator Connection 4-5-5/5.5.2(c)

4/4D3.5.3 Semiconductor Converters 4-5-5/5.5.3

4/4D3.5.3a --- 4-5-5/5.5.3(a)

4/4D3.5.3b --- 4-5-5/5.5.3(b)

4/4D3.5.3c --- 4-5-5/5.5.3(c)

4/4D3.5.3d --- 4-5-5/5.5.3(d)

4/4D3.7 Circuit Protection 4-5-5/5.7

4/4D3.7.1 Setting 4-5-5/5.7.1

4/4D3.7.2 Direct-current (DC) Propulsion Circuits 4-5-5/5.7.2

4/4D3.7.2a Circuit Protection 4-5-5/5.7.2(a)

4/4D3.7.2b Protection for Renewal of the Rotation 4-5-5/5.7.2(b)

4/4D3.7.3 Excitation Circuits 4-5-5/5.7.34/4D3.7.4 Reduction of Magnetic Fluxes 4-5-5/5.7.4


4/4D3.7.5a Overvoltage Protection 4-5-5/5.7.5(a)

4/4D3.7.5b Overcurrent Protection 4-5-5/5.7.5(b)

4/4D3.7.5c Short-circuit Protection 4-5-5/5.7.5(c)

4/4D3.7.5d Filter Circuits 4-5-5/5.7.5(d)

4/4D3.9 Protection for Earth Leakage 4-5-5/5.9

4/4D3.9.1 Main Propulsion Circuits 4-5-5/5.9.1

4/4D3.9.2 Excitation Circuits 4-5-5/5.9.2

4/4D3.9.3 Alternating-current (AC) Systems 4-5-5/5.9.3

4/4D3.9.4 Direct-current (DC) Systems 4-5-5/5.9.4

4/4D3.11 Electric Propulsion Control 4-5-5/5.11

4/4D3.11.1 General 4-5-5/5.11.1

4/4D3.11.2 Testing and Installation 4-5-5/5.11.24/4D3.11.3 Initiation of Control 4-5-5/5.11.3

4/4D3.11.4 Emergency Stop 4-5-5/5.11.4

4/4D3.11.5 Prime Mover Control 4-5-5/5.11.5

4/4D3.11.6 Control Power Failure 4-5-5/5.11.6

4/4D3.11.7 Protection 4-5-5/5.11.7

4/4D3.11.8 Interlocks 4-5-5/5.11.8

4/4D3.13 Instrumentation at the Control Station 4-5-5/5.13

4/4D3.13.1 Indication, Display and Alarms 4-5-5/5.13.1

4/4D3.13.1a For AC Systems 4-5-5/5.13.1(a)

4/4D3.13.1b For DC Systems 4-5-5/5.13.1(b)

4/4D3.13.1c For Electric Slip Couplings 4-5-5/5.13.1(c)

4/4D3.13.2 Indication of Propulsion System Status 4-5-5/5.13.2

4/4D3.13.2a \Ready for Operation] 4-5-5/5.13.2(a)

4/4D3.13.2b \Faulty] 4-5-5/5.13.2(b)4/4D3.13.2c \Power Limitation] 4-5-5/5.13.2(c)

4/4D3.15 Equipment Installation and Arrangement 4-5-5/5.15

4/4D3.15.1 General 4-5-5/5.15.1

4/4D3.15.2 Accessibility and Facilities for Repairs 4-5-5/5.15.2

4/4D3.15.2a Accessibility 4-5-5/5.15.2(a)

4/4D3.15.2b Facility for Supporting 4-5-5/5.15.2(b)

4/4D3.15.2c Slip-couplings 4-5-5/5.15.2(c)


4/4D3.15.4 Propulsion Cables 4-5-5/5.15.4

4/4D3.17 Machinery and Equipment 4-5-5/5.17

4/4D3.17.1 Material Tests 4-5-5/5.17.1

4/4D3.17.2 Temperature Rating 4-5-5/5.17.2

4/4D3.17.3 Protection Against Moisture Condensation 4-5-5/5.17.3

4/4D3.17.4 Prime Movers 4-5-5/5.17.44/4D3.17.4a Capability 4-5-5/5.17.4(a)

4/4D3.17.4b Speed Control 4-5-5/5.17.4(b)





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4/4D3.17.4c Manual Controls 4-5-5/5.17.4(c)

4/4D3.17.4d Parallel Operation 4-5-5/5.17.4(d)

4/4D3.17.4e Protection for Regenerated Power 4-5-5/5.17.4(e)

4/4D3.17.5 Rotating Machines for Propulsion 4-5-5/5.17.5

4/4D3.17.5a Ventilation and Protection 4-5-5/5.17.5(a)4/4D3.17.5b Fire-extinguishing Systems 4-5-5/5.17.5(b)

4/4D3.17.5c Air Coolers 4-5-5/5.17.5(c)

4/4D3.17.5d Temperature Sensors 4-5-5/5.17.5(d)

4/4D3.17.6 Propulsion Generators 4-5-5/5.17.6

4/4D3.17.7 Direct-current (DC) Propulsion Motors 4-5-5/5.17.7

4/4D3.17.7a Rotors 4-5-5/5.17.7(a)

4/4D3.17.7b Overspeed Protection 4-5-5/5.17.7(b)

4/4D3.17.8 Electric Couplings 4-5-5/5.17.8

4/4D3.17.8a General 4-5-5/5.17.8(a)

4/4D3.17.8b Accessibility for Repairs 4-5-5/5.17.8(b)

4/4D3.17.8c Temperature Rating 4-5-5/5.17.8(c)

4/4D3.17.8d Excitation 4-5-5/5.17.8(d)

4/4D3.17.8e Control Equipment 4-5-5/5.17.8(e)

4/4D3.17.8f Nameplates 4-5-5/5.17.8(f)4/4D3.17.9 Semiconductor Converters for Propulsion 4-5-5/5.17.9

4/4D3.17.9a General 4-5-5/5.17.9(a)

4/4D3.17.9b Testing and Inspection 4-5-5/5.17.9(b)

4/4D3.17.9c Insulation Test 4-5-5/5.17.9(c)

4/4D3.17.9d Design Data 4-5-5/5.17.9(d)

4/4D3.17.9e Watertight Enclosures 4-5-5/5.17.9(e)

4/4D3.17.9f Terminals 4-5-5/5.17.9(f)

4/4D3.17.9g Nameplates 4-5-5/5.17.9(g)

4/4D3.17.10 Reactors and Transformers for Semiconductor Converters 4-5-5/5.17.10

4/4D3.17.10a General 4-5-5/5.17.10(a)

4/4D3.17.10b Voltage Regulation 4-5-5/5.17.10(b)

4/4D3.17.10c High Temperature Alarm 4-5-5/5.17.10(c)

4/4D3.17.11 Switches 4-5-5/5.17.11

4/4D3.17.11a General Design 4-5-5/5.17.11(a)4/4D3.17.11b Generator and Motor Switches 4-5-5/5.17.11(b)

4/4D3.17.11c Field Switches 4-5-5/5.17.11(c)

4/4D3.17.12 Propulsion Cables 4-5-5/5.17.12

4/4D3.17.12a Conductors 4-5-5/5.17.12(a)

4/4D3.17.12b Insulation Materials 4-5-5/5.17.12(b)

4/4D3.17.12c Braided Metallic Armor and Impervious Metallic Sheaths 4-5-5/5.17.12(c)

4/4D3.17.12d Inner Wiring 4-5-5/5.17.12(d)

4/4D3.17.12e Testing 4-5-5/5.17.12(e)

4/4D3.19 Dock and Sea Trials 4-5-5/5.19

4/4D4 Three-wire Dual-voltage DC System 4-5-5/7

4/4D4.1 Three-wire DC Ships Generators 4-5-5/7.1

4/4D4.3 Neutral Earthing 4-5-5/7.3

4/4D4.3.1 Main Switchboard 4-5-5/7.3.1

4/4D4.3.2 Emergency Switchboard 4-5-5/7.3.24/4D4.5 Size of Neutral Conductors 4-5-5/7.5

Table 4/4D.1 Nameplates 4-5-5/Table 1

Part 4Section 4Part E

Machinery Equipment and SystemsElectrical InstallationsSpecialized Vessels and Systems

4/4E1 Oil Carriers 4-5-6/1

4/4E1.1 Application 4-5-6/1.1

4/4E1.3 Earthed Distribution System 4-5-6/1.3

4/4E1.3a --- 4-5-6/1.3i)

4/4E1.3b --- 4-5-6/1.3ii)

4/4E1.3c --- 4-5-6/1.3iii)

4/4E1.3d --- 4-5-6/1.3iv)

4/4E1.5 Hazardous Areas 4-5-6/1.5

4/4E1.5.1 --- 4-5-6/1.5.14/4E1.5.1a --- 4-5-6/1.5.1i)

4/4E1.5.1b --- 4-5-6/1.5.1ii)





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4/4E1.5.1c --- 4-5-6/1.5.1iii)

4/4E1.5.1d --- 4-5-6/1.5.1iv)

4/4E1.5.1e --- 4-5-6/1.5.1v)

4/4E1.5.1f --- 4-5-6/1.5.1vi)

4/4E1.5.1g --- 4-5-6/1.5.1vii)4/4E1.5.1h --- 4-5-6/1.5.1viii)

4/4E1.5.1i --- 4-5-6/1.5.1ix)

4/4E1.5.1j --- 4-5-6/1.5.1x)

4/4E1.5.1k --- 4-5-6/1.5.1xi)

4/4E1.5.2 --- 4-5-6/1.5.2

4/4E1.5.2a --- 4-5-6/1.5.2i)

4/4E1.5.2b --- 4-5-6/1.5.2ii)

4/4E1.7 Installation of Equipment and Cables 4-5-6/1.7

4/4E1.7.1 General 4-5-6/1.7.1

4/4E1.7.2 Cables 4-5-6/1.7.2

4/4E1.7.3 Sea Depth Sounder, Speed Log and Impressed Current Cathodic Protection Systems 4-5-6/1.7.3

4/4E1.7.3a --- 4-5-6/1.7.3a

4/4E1.7.3b --- 4-5-6/1.7.3b

4/4E1.7.3c --- 4-5-6/1.7.3c4/4E1.7.3d --- 4-5-6/1.7.3d

4/4E1.7.3e --- 4-5-6/1.7.3e

4/4E1.9 Cargo Oil Pump Room 4-5-6/1.9

4/4E1.9.1 Ventilation 4-5-6/1.9.1

4/4E1.9.1a System and Arrangement 4-5-6/1.9.1(a)

4/4E1.9.1a1 Lower Intake 4-5-6/1.9.1(a)i)

4/4E1.9.1a2 Emergency Intake 4-5-6/1.9.1(a)ii)

4/4E1.9.1a3 Dampers 4-5-6/1.9.1(a)iii)

4/4E1.9.1a4 Floor Plate 4-5-6/1.9.1(a)iv)

4/4E1.9.1b Fan Motors and Fans 4-5-6/1.9.1(b)

4/4E1.9.2 Gas Detection 4-5-6/1.9.2

4/4E1.9.3 Lighting 4-5-6/1.9.3

4/4E1.9.3a Lighting Fitted Outside the Pump Room 4-5-6/1.9.3(a)

4/4E1.9.3b Lighting Fitted Inside the Pump Room 4-5-6/1.9.3(b)4/4E1.9.4 Cable Installation 4-5-6/1.9.4

4/4E2 Vessels Carrying Coal in Bulk 4-5-6/3


4/4E2.3 Hazardous Areas 4-5-6/3.3

4/4E2.5 Installation of Equipment 4-5-6/3.5

4/4E2.5.1 Classified Electrical Equipment in Hazardous Area 4-5-6/3.5.1

4/4E2.5.2 Internal Combustion Engines in Hazardous Area 4-5-6/3.5.2

4/4E2.5.3 Cargo Hold 4-5-6/3.5.3

4/4E2.5.3a Instruments for Measuring 4-5-6/3.5.3(a)

4/4E2.5.3a1 --- 4-5-6/3.5.3(a)i)

4/4E2.5.3a2 --- 4-5-6/3.5.3(a)ii)

4/4E2.5.3a3 --- 4-5-6/3.5.3(a)iii)

4/4E2.5.3a4 --- 4-5-6/3.5.3(a)iv)

4/4E2.5.3b Cargo Atmosphere Measuring Equipment 4-5-6/3.5.3(b)4/4E2.5.3c Sampling Points 4-5-6/3.5.3(c)

4/4E2.5.3d Warning Plate 4-5-6/3.5.3(d)

4/4E3 Cargo Vessels Carrying Motor Vehicles with in Their Tank 4-5-6/5


4/4E3.3 Ventilation System 4-5-6/5.3

4/4E3.3.1 Arrangement 4-5-6/5.3.1

4/4E3.3.2 Capacity 4-5-6/5.3.2

4/4E3.3.3 Fans 4-5-6/5.3.3

4/4E3.3.4 Material and Arrangement of Ducts 4-5-6/5.3.4

4/4E3.3.5 Exhaust Inlet and Outlet 4-5-6/5.3.5

4/4E3.3.6 Emergency Shutdown 4-5-6/5.3.6

4/4E3.3.7 Navigation Bridge Indication 4-5-6/5.3.7

4/4E3.5 Location and Type of Equipment 4-5-6/5.5

4/4E3.5.1 Certified Safe Type Equipment 4-5-6/5.5.14/4E3.5.2 Alternative Arrangements 4-5-6/5.5.2

4/4E3.5.3 Equipment in Ducts from Vehicle Space 4-5-6/5.5.3





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4/4E4 Vessels Carrying Hazardous Cargoes in Bulk 4-5-6/7

4/4E5 Passenger Vessels 4-5-6/9

4/4E5.1 Emergency Source of Power 4-5-6/9.1

4/4E5.1.1 General 4-5-6/9.1.1

4/4E5.1.1a Location 4-5-6/9.1.1(a)4/4E5.1.1b Separation 4-5-6/9.1.1(b)

4/4E5.1.1b1 Machinery Space of Category A 4-5-6/9.1.1(b)i)

4/4E5.1.1b2 Machinery Space Other Than Category A 4-5-6/9.1.1(b)ii)

4/4E5.1.1b3 Alternative Arrangement 4-5-6/9.1.1(b)iii)

4/4E5.1.1b3a --- 4-5-6/9.1.1(b)iii)"

4/4E5.1.1b3b --- 4-5-6/9.1.1(b)iii)"

4/4E5.1.2 Emergency Services 4-5-6/9.1.2

4/4E5.1.2a General 4-5-6/9.1.2(a)

4/4E5.1.2b Lighting Systems and Navigation Light 4-5-6/9.1.2(b)

4/4E5.1.2b1 --- 4-5-6/9.1.2(b)i)

4/4E5.1.2b2 --- 4-5-6/9.1.2(b)ii)

4/4E5.1.2b3 --- 4-5-6/9.1.2(b)iii)

4/4E5.1.2b4 --- 4-5-6/9.1.2(b)iv)

4/4E5.1.2b5 --- 4-5-6/9.1.2(b)v)4/4E5.1.2b6 --- 4-5-6/9.1.2(b)vi)

4/4E5.1.2b7 --- 4-5-6/9.1.2(b)vii)

4/4E5.1.2b8 --- 4-5-6/9.1.2(b)viii)

4/4E5.1.2b9 --- 4-5-6/9.1.2(b)ix)

4/4E5.1.2c Communication System, Navigation Aid and Alarm Systems 4-5-6/9.1.2(c)

4/4E5.1.2c1 --- 4-5-6/9.1.2(c)i)

4/4E5.1.2c2 --- 4-5-6/9.1.2(c)ii)

4/4E5.1.2c3 --- 4-5-6/9.1.2(c)iii)

4/4E5.1.2c4 --- 4-5-6/9.1.2(c)iv)

4/4E5.1.2d Emergency Fire Pump 4-5-6/9.1.2(d)

4/4E5.1.2e Steering Gear 4-5-6/9.1.2(e)

4/4E5.1.2f Watertight Doors 4-5-6/9.1.2(f)

4/4E5.1.2g Elevators 4-5-6/9.1.2(g)

4/4E5.1.3 Power Supply 4-5-6/9.1.34/4E5.1.3a General 4-5-6/9.1.3(a)

4/4E5.1.3b Generator 4-5-6/9.1.3(b)

4/4E5.1.3b1 --- 4-5-6/9.1.3(b)i)

4/4E5.1.3b2 --- 4-5-6/9.1.3(b)ii)

4/4E5.1.3b3 --- 4-5-6/9.1.3(b)iii)

4/4E5.1.3c Accumulator Battery 4-5-6/9.1.3(c)

4/4E5.1.3c1 --- 4-5-6/9.1.3(c)i)

4/4E5.1.3c2 --- 4-5-6/9.1.3(c)ii)

4/4E5.1.3c3 --- 4-5-6/9.1.3(c)iii)

4/4E5.1.3d Emergency Generator for Non-emergency Services 4-5-6/9.1.3(d)

4/4E5.1.4 Transitional Source of Power 4-5-6/9.1.4

4/4E5.1.4a --- 4-5-6/9.1.4i)

4/4E5.1.4b --- 4-5-6/9.1.4ii)

4/4E5.1.5 Emergency Switchboard 4-5-6/9.1.54/4E5.1.5a General 4-5-6/9.1.5(a)

4/4E5.1.5b Emergency Switchboard for Generator 4-5-6/9.1.5(b)

4/4E5.1.5c Accumulator Battery 4-5-6/9.1.5(c)

4/4E5.1.5d Interconnector Feeder Between Emergency and Main Switchboards 4-5-6/9.1.5(d)

4/4E5.1.5e Disconnection of Non-emergency Circuits 4-5-6/9.1.5(e)

4/4E5.1.6 Arrangements for Periodic Testing 4-5-6/9.1.6

4/4E5.1.7 Starting Arrangements for Emergency Generator Sets 4-5-6/9.1.7

4/4E5.1.7a Cold Conditions 4-5-6/9.1.7(a)

4/4E5.1.7b Number of Starts 4-5-6/9.1.7(b)

4/4E5.1.7c Charging of Stored Energy 4-5-6/9.1.7(c)

4/4E5.1.7c1 --- 4-5-6/9.1.7(c)i)

4/4E5.1.7c2 --- 4-5-6/9.1.7(c)ii)

4/4E5.1.7c3 --- 4-5-6/9.1.7(c)iii)

4/4E5.1.7d Manual Starting 4-5-6/9.1.7(d)4/4E5.3 Emergency Power Supply for Steering Gear 4-5-6/9.3

4/4E5.5 Power Supply Through Transformers and Converters 4-5-6/9.5





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4/4E5.7 Interior Communication Systems 4-5-6/9.7

4/4E5.7.1 Main Propulsion Control Stations 4-5-6/9.7.1

4/4E5.7.2 Voice Communications 4-5-6/9.7.2

4/4E5.7.2a Propulsion and Steering Control Stations 4-5-6/9.7.2(a)

4/4E5.7.2b Elevator 4-5-6/9.7.2(b)4/4E5.7.2c Independence of Power Supply Circuit 4-5-6/9.7.2(c)

4/4E5.9 Manually Operated Alarms 4-5-6/9.9

4/4E5.9.1 General Emergency Alarm System 4-5-6/9.9.1

4/4E5.9.2 Engineers Alarm 4-5-6/9.9.2

4/4E5.9.3 Elevator 4-5-6/9.9.3

Table 4/4E.1 Electrical Equipment in Hazardous Areas for Oil Carriers 4-5-6/Table 1

Part 4Section 5

Machinery Equipment and SystemsPumps and Piping Systems

4/5.1 General Requirements 4-3-1/1.1

4/5.1.1 Piping Groups 4-3-1/1.3

4/5.1.2 Plans and Data to be Submitted 4-3-1/3

4/5.1.2a Plans 4-3-1/3.1

4/5.1.2b Data 4-3-1/3.3

4/5.1.3 Material, Tests and Inspection 4-3-1/54/5.1.3a Specifications and Purchase Orders 4-3-1/5.1

4/5.1.3b Special Materials 4-3-1/5.3

4/5.1.4 Pressure Tests 4-3-2/3

4/5.1.4a General 4-3-2/3.1

4/5.1.4b Fuel-oil Suction and Transfer Lines 4-3-2/3.3

4/5.1.4c Cargo-oil Piping Systems 4-3-2/3.5

4/5.1.4d Hydraulic Power Piping 4-3-2/3.7

4/5.1.4e All Piping 4-3-2/3.9

4/5.1.5 General Installation Details 4-3-1/7

4/5.1.5a Protection 4-3-1/7.1

4/5.1.5b Pipes Near Switchboards 4-3-1/7.3

4/5.1.5c Expansion or Contraction Stresses 4-3-1/7.5

4/5.1.5d Bulkhead, Deck or Tank-top Penetrations 4-3-1/7.9

4/5.1.5e Relief Valves 4-3-1/7.114/5.1.5f Common Overboard Discharge 4-3-1/7.13

4/5.1.5g Plastic Piping 4-3-1/7.15

4/5.1.5h Standard Thicknesses 4-3-1/7.17

4/5.1.5i Instruments 4-3-1/7.19

4/5.1.5i1 Temperature 4-3-1/7.19.1

4/5.1.5i2 Pressure 4-3-1/7.19.2

4/5.1.5j Hose 4-3-1/7.21

4/5.1.5k Molded Expansion Joints 4-3-1/7.7

4/5.1.5k1 Circulating Water System 4-3-1/7.7.1

4/5.1.5k2 Oil Systems 4-3-1/7.7.2

4/5.1.5k2a --- 4-3-1/7.7.2(a)

4/5.1.5k2b --- 4-3-1/7.7.2(b)

4/5.1.5k2c --- 4-3-1/7.7.2(c)

4/5.1.5k2d --- 4-3-1/7.7.2(d)4/5.1.5k3 Fire Retardant Test 4-3-1/7.7.3

4/5.3 Piping, Valves and Fittings Section 4-3-2

4/5.3.1 General 4-3-2/1

4/5.3.2 Pipes 4-3-2/5

4/5.3.2a Test and Inspection Group I Piping 4-3-2/5.1

4/5.3.2b Steel Pipe 4-3-2/5.3

4/5.3.2c Copper Pipe 4-3-2/5.5

4/5.3.2d Brass Pipe 4-3-2/5.7

4/5.3.2e Plastic Pipe 4-3-2/5.9

4/5.3.2f Working Pressure and Thickness of Metallic Pipe 4-3-2/5.11

4/5.3.3 Valves 4-3-2/11

4/5.3.3a Standard Valves 4-3-2/11.1.1

4/5.3.3b Non-standard Valves 4-3-2/11.1.2

4/5.3.3c Construction 4-3-2/11.34/5.3.3d Hydrostatic Test and Identification 4-3-2/11.5

4/5.3.4 Pipe Fittings 4-3-2/13





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4/5.3.4a General 4-3-2/13.1

4/5.3.4b Hydrostatic Test and Identification 4-3-2/13.3

4/5.3.4c Non-standard Fittings 4-3-2/13.5

4/5.3.5 Welded Non-standard Valves and Fittings 4-3-2/15

4/5.3.6 Flanges 4-3-2/174/5.3.6a General 4-3-2/17.1

4/5.3.6b Group I Piping Flanges 4-3-2/17.3

4/5.3.6b1 Steel Pipe 4-3-2/17.3.1

4/5.3.6b2 Nonferrous Pipe 4-3-2/17.3.2

4/5.3.6c Group II Piping Flanges 4-3-2/17.5

4/5.3.7 Materials for Valves and Fittings 4-3-2/9

4/5.3.7a General 4-3-2/9.1

4/5.3.7b Forged or Cast Steel 4-3-2/9.3

4/5.3.7c Cast Iron 4-3-2/9.5

4/5.3.7d Nonferrous 4-3-2/9.7

4/5.3.7e Nodular (Ductile) Iron 4-3-2/9.9

4/5.3.7f Plastic Compounds 4-3-2/9.11

4/5.4 Plastic Pipes 4-3-2/7

4/5.4.1 General 4-3-2/7.14/5.4.2 Specification 4-3-2/7.3

4/5.4.3 Design 4-3-2/7.5

4/5.4.3a Internal Pressure 4-3-2/7.5.1

4/5.4.3b External Pressure 4-3-2/7.5.2

4/5.4.3c Axial Strength 4-3-2/7.5.3

4/5.4.3c1 --- 4-3-2/7.5.3(a)

4/5.4.3c2 --- 4-3-2/7.5.3(b)

4/5.4.3d Temperature 4-3-2/7.5.4

4/5.4.3e Impact Resistance 4-3-2/7.5.5

4/5.4.3f Fire Endurance 4-3-2/7.5.6

4/5.4.3f1 --- 4-3-2/7.5.6i)

4/5.4.3f2 --- 4-3-2/7.5.6ii)

4/5.4.3f3 --- 4-3-2/7.5.6iii)

4/5.4.3f4 --- 4-3-2/7.5.6iv)4/5.4.3g Flame Spread 4-3-2/7.5.7

4/5.4.3h Electrical Conductivity 4-3-2/7.5.8

4/5.4.3h1 --- 4-3-2/7.5.8(a)

4/5.4.3h2 --- 4-3-2/7.5.8(b)

4/5.4.3h3 --- 4-3-2/7.5.8(c)

4/5.4.3h4 --- 4-3-2/7.5.8(d)

4/5.4.3i Marking 4-3-2/7.5.9

4/5.4.4 Installation of Plastic Pipes 4-3-2/7.7

4/5.4.4a Supports 4-3-2/7.7.1

4/5.4.4a1 --- 4-3-2/7.7.1(a)

4/5.4.4a2 --- 4-3-2/7.7.1(b)

4/5.4.4a3 --- 4-3-2/7.7.1(c)

4/5.4.4a4 --- 4-3-2/7.7.1(d)

4/5.4.4a5 --- 4-3-2/7.7.1(e)4/5.4.4b External Loads 4-3-2/7.7.2

4/5.4.4c Plastic Pipe Connections 4-3-2/7.7.3

4/5.4.4c1 --- 4-3-2/7.7.3(a)

4/5.4.4c2 --- 4-3-2/7.7.3(b)

4/5.4.4c3 --- 4-3-2/7.7.3(c)

4/5.4.4c4 --- 4-3-2/7.7.3(d)

4/5.4.4d Electrical Conductivity 4-3-2/7.7.4

4/5.4.4d1 --- 4-3-2/7.7.4(a)

4/5.4.4d2 --- 4-3-2/7.7.4(b)

4/5.4.4e Shell Connections 4-3-2/7.7.5

4/5.4.4f Bulkhead and Deck Penetrations 4-3-2/7.7.6

4/5.4.4f1 --- 4-3-2/7.7.6(a)

4/5.4.4f2 ---- 4-3-2/7.7.6(b)

4/5.4.4f3 --- 4-3-2/7.7.6(c)4/5.4.4g Application of Fire Protection Coatings 4-3-2/7.7.7

4/5.4.5 Manufacturing of Plastic Pipes 4-3-2/7.9





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4/5.4.6 Plastic Pipe Bonding Procedure 4-3-2/7.11

4/5.4.6a Procedure Qualification Requirements 4-3-2/7.11.1

4/5.4.6a1 --- 4-3-2/7.11.1(a)

4/5.4.6a2 --- 4-3-2/7.11.1(b)

4/5.4.6b Procedure Qualification Testing 4-3-2/7.11.24/5.4.6b1 --- 4-3-2/7.11.2(a)

4/5.4.6b2 --- 4-3-2/7.11.2(b)

4/5.4.6b3 --- 4-3-2/7.11.2(c)

4/5.4.7Tests by the Manufacturer – Fire Endurance Testing of Plastic Piping in the DryCondition (For Level 1 and Level 2)

4-3-2/7.13

4/5.4.7a Test Method 4-3-2/7.13.1

4/5.4.7a1 --- 4-3-2/7.13.1(a)

4/5.4.7a2 --- 4-3-2/7.13.1(b)

4/5.4.7a3 --- 4-3-2/7.13.1(c)

4/5.4.7b Test Specimens 4-3-2/7.13.2

4/5.4.7b1 --- 4-3-2/7.13.2(a)

4/5.4.7b2 --- 4-3-2/7.13.2(b)

4/5.4.7b3 --- 4-3-2/7.13.2(c)

4/5.4.7b4 --- 4-3-2/7.13.2(d)4/5.4.7b5 --- 4-3-2/7.13.2(e)

4/5.4.7b6 --- 4-3-2/7.13.2(f)

4/5.4.7c Test Condition 4-3-2/7.13.3

4/5.4.7d Acceptance Criteria 4-3-2/7.13.4

4/5.4.7d1 --- 4-3-2/7.13.4(a)

4/5.4.7d2 --- 4-3-2/7.13.4(b)

4/5.4.7d3 --- 4-3-2/7.13.4(c)

4/5.4.8Test by Manufacturer – Fire Endurance Testing of Water-filled Plastic Piping (For

Level 3)4-3-2/7.15

4/5.4.8a Test Method 4-3-2/7.15.1

4/5.4.8a1 --- 4-3-2/7.15.1(a)

4/5.4.8a2 --- 4-3-2/7.15.1(b)

4/5.4.8a3 --- 4-3-2/7.15.1(c)

4/5.4.8a4 --- 4-3-2/7.15.1(d)4/5.4.8a5 --- 4-3-2/7.15.1(e)

4/5.4.8b Test Specimen 4-3-2/7.15.2

4/5.4.8b1 --- 4-3-2/7.15.2(a)

4/5.4.8b2 --- 4-3-2/7.15.2(b)

4/5.4.8b3 --- 4-3-2/7.15.2(c)

4/5.4.8b4 --- 4-3-2/7.15.2(d)

4/5.4.8b5 --- 4-3-2/7.15.2(e)

4/5.4.8b6 --- 4-3-2/7.15.2(f)

Figure 4/5.1 Fire Endurance Test Burner Assembly 4-3-2/Figure 1

Figure 4/5.2 Fire Endurance Test Stand with Mounted Sample 4-3-2/Figure 2

4/5.4.8b7 --- 4-3-2/7.15.2(g)

4/5.4.8c Test Conditions 4-3-2/7.15.3

4/5.4.8c1 --- 4-3-2/7.15.3(a)

4/5.4.8c2 --- 4-3-2/7.15.3(b)4/5.4.8c3 --- 4-3-2/7.15.3(c)

4/5.4.8d Acceptance Criteria 4-3-2/7.15.4

4/5.4.8d1 --- 4-3-2/7.15.4(a)

4/5.4.8d2 --- 4-3-2/7.15.4(b)

4/5.4.9 Tests by Manufacturer – Flame Spread 4-3-2/7.17

4/5.4.9a Test Method 4-3-2/7.17.1

4/5.4.9a1 --- 4-3-2/7.17.1(a)

4/5.4.9a2 --- 4-3-2/7.17.1(b)

4/5.4.9a3 --- 4-3-2/7.17.1(c)

4/5.4.9a4 --- 4-3-2/7.17.1(d)

4/5.4.9a5 --- 4-3-2/7.17.1(e)

4/5.4.9a6 --- 4-3-2/7.17.1(f)

4/5.4.9a7 --- 4-3-2/7.17.1(g)

4/5.4.9a8 --- 4-3-2/7.17.1(h)4/5.4.9a9 --- 4-3-2/7.17.1(i)

4/5.4.10 Testing on Board After Installation 4-3-2/7.19





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4/5.5 Sea Chests, Sea Valves and Overboard Discharge Connections 4-3-2/19

4/5.5.1 General 4-3-2/19.1

4/5.5.1a Installation 4-3-2/19.1.1

4/5.5.1b Valve Connections to the Shell 4-3-2/19.1.2

4/5.5.1c Valves Required 4-3-2/19.1.34/5.5.2 Sea Chests 4-3-2/19.3

4/5.5.2a Location 4-3-2/19.3.1

4/5.5.2b Strainer Plates 4-3-2/19.3.2

4/5.5.3 Scuppers 4-3-2/19.5

4/5.5.4 Sanitary Discharges 4-3-2/19.7

4/5.6 Cooler Installations External to the Hull 4-3-2/21

4/5.6.1 General 4-3-2/21.1

4/5.6.2 Integral Keel Cooler Installations 4-3-2/21.3

4/5.6.3 Non-integral Cooler Installations 4-3-2/21.5

4/5.7 Bilge and Ballast Systems for Self-propelled Vessels 4-3-3/1

4/5.7.1 General 4-3-3/1.1

4/5.7.2 Pumps 4-3-3/1.3

4/5.7.3 Bilge and Ballast Piping 4-3-3/1.5

4/5.7.3a General 4-3-3/1.5.14/5.7.3b Installation 4-3-3/1.5.2

4/5.7.3c Manifolds, Cocks and Valves 4-3-3/1.5.3

4/5.7.3d Strainers 4-3-3/1.5.4

4/5.7.3e Size of Bilge Suctions 4-3-3/1.5.5

4/5.7.3e1 Main Line 4-3-3/1.5.5(a)

4/5.7.3e2 Branch Lines 4-3-3/1.5.5(b)

4/5.7.3e3 Main Line Reduction 4-3-3/1.5.5(c)

4/5.7.3e4 Size Limits 4-3-3/1.5.5(d)

4/5.8 Bilge Systems for Self-propelled Passenger Vessels 4-3-3/3

4/5.8.1 General 4-3-3/3.1

4/5.8.2 Bilge Piping System 4-3-3/3.3

4/5.8.2a General 4-3-3/3.3.1

4/5.8.2b Spindles 4-3-3/3.3.2

4/5.8.2c Bilge Suctions 4-3-3/3.3.34/5.8.2d Direct Bilge Suction 4-3-3/3.3.4

4/5.8.2e Manifolds, Cocks and Valves 4-3-3/3.3.5

4/5.8.3 Bilge Pumps 4-3-3/3.5

4/5.8.3a Number of Pumps 4-3-3/3.5.1

4/5.8.3b Location 4-3-3/3.5.2

4/5.8.3c Arrangement 4-3-3/3.5.3

4/5.8.3d Capacity 4-3-3/3.5.4

4/5.9 Bilge Systems for Barges 4-3-3/5

4/5.9.1 Unmanned Barges 4-3-3/5.1

4/5.9.2 Manned Barges 4-3-3/5.3

4/5.10 Vent, Sounding and Overflow Pipes 4-3-3/7

4/5.10.1 General 4-3-3/7.1

4/5.10.2 Size 4-3-3/7.3

4/5.10.3 Termination 4-3-3/7.54/5.11 Sounding 4-3-3/9

4/5.11.1 General 4-3-3/9.1

4/5.11.2 Sounding Pipes 4-3-3/9.3

4/5.11.2a Oil Tanks 4-3-3/9.3.1

4/5.11.2b Other Tanks 4-3-3/9.3.2

4/5.11.3 Gauge Glasses 4-3-3/9.5

4/5.13 Fuel-oil Transfer, Filling and Service Systems 4-3-4/1

4/5.13.1 General 4-3-4/1.1

4/5.13.2 Pipes in Oil Tanks 4-3-4/1.3

4/5.13.3 Control Valves or Cocks 4-3-4/1.5

4/5.13.4 Valves on Oil Tanks 4-3-4/1.7

4/5.13.4a General 4-3-4/1.7.1

4/5.13.4b Valve Operators 4-3-4/1.7.2

4/5.13.4b --- 4-3-4/1.7.24/5.13.4b --- 4-3-4/1.7.2

4/5.13.4b --- 4-3-4/1.7.2





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4/5.13.4c Filling Lines 4-3-4/1.7.3

4/5.13.5 Overflows and Drains 4-3-4/1.9

4/5.13.6 Fuel Oil Purifiers 4-3-4/1.11

4/5.13.7 Fuel-oil Injection System 4-3-4/1.13

4/5.15 Liquid Petroleum Gas 4-3-8/34/5.17 Exhaust System 4-3-5/3

4/5.19 Lubricating-oil System 4-3-4/3

4/5.19.1 General 4-3-4/3.1

4/5.19.2 Oil Filters 4-3-4/3.3

4/5.19.3 Protective Features 4-3-4/3.5

4/5.21 Hydraulic Piping 4-3-8/1

4/5.21.1 Arrangements 4-3-8/1.1

4/5.21.2 Valves 4-3-8/1.3

4/5.21.2a General 4-3-8/1.3.1

4/5.21.2b Relief Valves 4-3-8/1.3.3

4/5.21.3 Piping 4-3-8/1.5

4/5.21.4 Pipe Fittings 4-3-8/1.7

4/5.21.4a Non-standard Fittings 4-3-8/1.7.1

4/5.21.4b Split Flanges 4-3-8/1.7.24/5.21.4c Straight-thread, O-ring Connections 4-3-8/1.7.3

4/5.21.4d Tapered-threaded Connections 4-3-8/1.7.4

4/5.21.5 Hose 4-3-8/1.9

4/5.21.6 Accumulators 4-3-8/1.11

4/5.21.7 Fluid Power Cylinders 4-3-8/1.13

4/5.21.8 Design Pressure 4-3-8/1.15

4/5.21.9 Segregation of High Pressure Hydraulic Units in Machinery Spaces 4-3-8/1.17

4/5.23 Cooling-water System 4-3-5/1

4/5.23.1 General 4-3-5/1.1

4/5.23.2 Sea Suctions 4-3-5/1.3

4/5.23.3 Direct Cooling System 4-3-5/1.5

4/5.25 Vessels Carrying Oil in Bulk Having a Flashpoint of 60°C (140°F) or Less 4-3-6/1

4/5.25.1 Cargo Pumps 4-3-6/1.1

4/5.25.1a Construction 4-3-6/1.1.14/5.25.1b Installation 4-3-6/1.1.2

4/5.25.1c Relief Valves and Bypass 4-3-6/1.1.3

4/5.25.1d Pressure Gauges 4-3-6/1.1.4

4/5.25.2 Cargo Piping Systems 4-3-6/1.3

4/5.25.2a General 4-3-6/1.3.1

4/5.25.2b Suctions 4-3-6/1.3.2

4/5.25.2c Operating-rod Stuffing Boxes 4-3-6/1.3.3

4/5.25.3 Other Piping Systems 4-3-6/1.5

4/5.25.3a Pump-room and Cofferdam Bilge System 4-3-6/1.5.1

4/5.25.3b Piping Through Cargo Tanks 4-3-6/1.5.2

4/5.25.4 Venting Systems 4-3-6/1.7

4/5.25.4a General 4-3-6/1.7.1

4/5.25.4b Cargo Oil with Flash Point Above 27°C (80°C) 4-3-6/1.7.2

4/5.25.4c Inert Gas System 4-3-6/1.7.34/5.25.4d Cofferdams 4-3-6/1.7.4

4/5.25.5 Inert Gas System Requirements 4-3-6/1.9

4/5.25.5a Pressure 4-3-6/1.9.1

4/5.25.5b Blower Isolating Valves 4-3-6/1.9.2

4/5.25.5c Demister 4-3-6/1.9.3

4/5.25.5d Gas Regulating Valve 4-3-6/1.9.4

4/5.25.5e Blowers 4-3-6/1.9.5

4/5.25.5f Fire Protection 4-3-6/1.9.6

4/5.25.5g Venting 4-3-6/1.9.7

4/5.25.5h Fuel-oil Shutdown 4-3-6/1.9.8

4/5.25.5i Scrubber Cooling Pump 4-3-6/1.9.9

4/5.25.6 Cargo Vapor Emission Control Systems 4-3-6/1.11

4/5.27 Cargo-handling Systems 4-3-6/3

4/5.27.1 General 4-3-6/34/5.27.2 Dangerous Chemicals 4-3-6/3

4/5.27.3 Liquefied Gases 4-3-6/3





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4/5.27.4 Pressurized Gases 4-3-6/3

4/5.27.5 Cargo-oil Piping 4-3-6/3

4/5.27.6 Noncombusitble Liquids 4-3-6/3

4/5.29 Ship Service Ammonia System 4-3-8/5

4/5.29.1 Compartmentation 4-3-8/5.14/5.29.2 Safety Measures 4-3-8/5.3

4/5.29.2a --- 4-3-8/5.3.1

4/5.29.2b --- 4-3-8/5.3.2

4/5.29.2c --- 4-3-8/5.3.3

4/5.29.2d --- 4-3-8/5.3.4

4/5.29.2e --- 4-3-8/5.3.5

4/5.29.3 Ammonia Piping 4-3-8/5.5

Table 4/5.1 Allowable Stress Values for Piping 0 kg/mm2 (psi) 4-3-2/Table 1

Table 4/5.2 Fire Endurance Requirements Matrix 4-3-2/Table 2

Part 4Section 6

Machinery Equipment and SystemsCargo Transfer Systems for Dangerous Chemical Cargoes

4/6.1 General 4-3-7/1

4/6.3 Cargo Piping Classification 4-3-7/3

4/6.3.1 Cargo Piping for Barge Type I 4-3-7/3.14/6.3.2 Cargo Piping for Barge Types II and III 4-3-7/3.3

4/6.5 Plans and Data to be Submitted 4-3-7/5

4/6.7 Materials 4-3-7/7

4/6.7.1 General 4-3-7/7.1

4/6.7.2 Service Temperature Below –18°C (0°F) 4-3-7/7.3

4/6.9 Venting 4-3-7/9

4/6.9.1 Open Venting 4-3-7/9.1

4/6.9.2 Pressure-Vacuum Venting 4-3-7/9.3

4/6.9.2a System Design 4-3-7/9.3.1

4/6.9.2b Vent Line Capacity 4-3-7/9.3.2

4/6.9.2c Condensation 4-3-7/9.3.3

4/6.9.3 Safety-Relief Venting 4-3-7/9.5

4/6.11 Safety-Relief Valves 4-3-7/11

4/6.11.1 Capacity 4-3-7/11.14/6.11.2 Certification 4-3-7/11.2

4/6.11.3 Installation 4-3-7/11.3

4/6.11.4 Tests 4-3-7/11.4

4/6.13 Pressure Vessels 4-3-7/13

4/6.15 Cargo Transfer 4-3-7/15

4/6.15.1 General 4-3-7/15.1

4/6.15.2 Cargo Pumps 4-3-7/15.3

4/6.15.3 Pump Wells 4-3-7/15.5

4/6.15.4 Pump Prime Movers 4-3-7/15.7

4/6.15.5 Pressure Gauges 4-3-7/15.9

4/6.15.6 Independent Tank Connections 4-3-7/15.11

4/6.15.7 Piping, Valves and Fittings 4-3-7/15.13

4/6.15.7a Design of Piping 4-3-7/15.13.1

4/6.15.7a1 --- 4-3-7/15.13.1i)4/6.15.7a2 --- 4-3-7/15.13.1ii)

4/6.15.7a3 --- 4-3-7/15.13.1iii)

4/6.15.7a4 --- 4-3-7/15.13.1iv)

4/6.15.7b Valves and Fittings 4-3-7/15.13.2

4/6.15.7c Low Temperature Piping 4-3-7/15.13.3

4/6.15.8 Piping Flexibility Arrangements 4-3-7/15.15

4/6.15.9 Pipe Joints 4-3-7/15.17

4/6.15.10 Cargo Filling Lines in Tanks 4-3-7/15.19

4/6.15.11 Spillage Containment 4-3-7/15.21

4/6.15.12 Electrical Bonding 4-3-7/15.23

4/6.17 Protective Housing 4-3-7/17

4/6.19 Electrical 4-3-7/19

4/6.21 Fire Extinguishing 4-3-7/21

4/6.23 Salvaging Connections 4-3-7/23Table 4/6.1 Values of 9 for Use in Calculating Safety-Relief Valve Capacity 4-3-7/Table 1




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Part 4Section 7

Machinery Equipment and Systemsire Extinguishing Systems and Equipment

4/7.1 General 4-4-1/1

4/7.3 Governmental Authority 4-4-1/3

4/7.5 Fire Safety Measures 4-4-1/54/7.7 Plans and Data 4-4-1/7

4/7.7.1 Plans 4-4-1/7.1

4/7.7.2 Data 4-4-1/7.3

4/7.9 Fire Pumps 4-4-1/9

4/7.9.1 Number of Pumps 4-4-1/9.1

4/7.9.1a General 4-4-1/9.1.1

4/7.9.1b Passenger Vessels 4-4-1/9.1.2

4/7.9.2 Type and Capacity 4-4-1/9.3

4/7.9.2a Power-driven Pumps 4-4-1/9.3.1

4/7.9.2b Hand-operated Pumps 4-4-1/9.3.2

4/7.9.3 Relief Valves 4-4-1/9.5

4/7.11 Fire Mains 4-4-1/11

4/7.11.1 Size 4-4-1/11.1

4/7.11.2 Cocks or Valves 4-4-1/11.34/7.11.3 Materials 4-4-1/11.5

4/7.13 Hydrants, Hoses and Nozzles 4-4-1/13

4/7.13.1 Hydrants 4-4-1/13.1

4/7.13.1a General 4-4-1/13.1.1

4/7.13.1b Passenger Vessels 4-4-1/13.1.2

4/7.13.2 Hoses 4-4-1/13.3

4/7.13.3 Nozzles 4-4-1/13.5

4/7.13.3a General 4-4-1/13.5.1

4/7.13.3b Vessels 100 Gross Tons and Under 4-4-1/13.5.2

4/7.13.3c Passenger Vessels 4-4-1/13.5.3

4/7.17 Portable Extinguishers 4-4-1/15

4/7.19 Shutdowns and Closures 4-4-1/17

4/7.21 Fixed Fire Extinguishing Systems for Machinery Spaces 4-4-1/19

4/7.21.1 Provision 4-4-1/19.14/7.21.1a --- 4-4-1/19.1i)

4/7.21.1b --- 4-4-1/19.1ii)

4/7.21.1c --- 4-4-1/19.1iii)

4/7.21.2 Carbon Dioxide Systems 4-4-1/19.3

4/7.21.2a Cylinders 4-4-1/19.3.1

4/7.21.2b Storage 4-4-1/19.3.2

4/7 21 2b1 4 4 1/19 3 2i)

abs steel vessel river rules

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