dnvgl-ru-hslc-pt1ch2 class notations 2 construction symbol and main class notation..... 8 1...

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DNV GL AS

RULES FOR CLASSIFICATION

High speed and light craftEdition December 2015

Part 1 General regulations

Chapter 2 Class notations

FOREWORD

DNV GL rules for classification contain procedural and technical requirements related to obtainingand retaining a class certificate. The rules represent all requirements adopted by the Society asbasis for classification.

© DNV GL AS December 2015

Any comments may be sent by e-mail to [email protected]

If any person suffers loss or damage which is proved to have been caused by any negligent act or omission of DNV GL, then DNV GL shallpay compensation to such person for his proved direct loss or damage. However, the compensation shall not exceed an amount equal to tentimes the fee charged for the service in question, provided that the maximum compensation shall never exceed USD 2 million.

In this provision "DNV GL" shall mean DNV GL AS, its direct and indirect owners as well as all its affiliates, subsidiaries, directors, officers,employees, agents and any other acting on behalf of DNV GL.

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Rules for classification: High speed and light craft — DNVGL-RU-HSLC-Pt1Ch2. Edition December 2015 Class notations

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CURRENT – CHANGES

This is a new document.

The rules enter into force 1 July 2016.

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CONTENTS

Current – changes...................................................................................................... 3

Section 1 Class notations........................................................................................... 61 General................................................................................................... 6

1.1 Introduction.........................................................................................6

Section 2 Construction symbol and Main Class Notation............................................ 81 Construction symbols............................................................................. 8

1.1 General...............................................................................................82 Main Class Notation................................................................................8

2.1 General...............................................................................................82.2 Applicability of Rules for High Speed and Light Craft.................................8

Section 3 Ship type notations.................................................................................. 101 Introduction..........................................................................................10

1.1 General............................................................................................. 102 Passenger craft.....................................................................................103 Car ferry............................................................................................... 114 Cargo craft............................................................................................115 Crew boats........................................................................................... 126 Patrol boats.......................................................................................... 127 Small service craft................................................................................128 Naval and naval support vessels.......................................................... 139 Naval landing craft............................................................................... 14

9.1 General............................................................................................. 14

Section 4 Additional Class Notations........................................................................151 Introduction..........................................................................................15

1.1 General............................................................................................. 152 Structural strength and integrity..........................................................153 Propulsion, power generation and auxiliary systems............................ 154 Navigation and manoeuvring................................................................ 175 Equipment and design features............................................................ 176 Environmental protection and pollution control.................................... 177 Living and working conditions..............................................................188 Survey arrangements............................................................................199 Naval.................................................................................................... 21

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Section 5 Service area..............................................................................................221 Service area notation........................................................................... 22

1.1 General............................................................................................. 22

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SECTION 1 CLASS NOTATIONS

1 General

1.1 Introduction

1.1.1 All vessels Classed with the Society may be assigned

— construction symbol— main Class Notation— service area notation— ship type notation— additional Class Notation

as applicable.

1.1.2 Class Notations are assigned in order to determine applicable rule requirements for assignment andretention of Class. Applicable Class Notations are given in Sec.2 to Sec.5.

1.1.3 Class Notations are either mandatory or optional. The mandatory Class Notations are indicated in thetables given in Sec.2 to Sec.5.

1.1.4 In accordance with Pt.1 Ch.1 Sec.1 [2.3.3] optional Class Notations from the Society's other rule setsmay, upon special consideration, be assigned to a vessel complying with those rules.

1.1.5 Class Notations may be given one or more qualifiers which are supplementary symbols used to identifyvariants of the Class Notation or a design parameter. Qualifiers include e.g. levels of complexity and/orspecial requirements or limitations, and may be assigned additional requirements.Qualifiers follow immediately after a Class Notation and are indicated in parenthesis. Multiple qualifiers areseparated by comma and space.

Guidance note:A typical Class Notation string may look as:

✠1A HSLC R2 Passenger E0

---e-n-d---of---g-u-i-d-a-n-c-e---n-o-t-e---

1.1.6 Class Notations and qualifiers are shown in bold.

1.1.7 The Tables in Sec.2 to Sec.5 include the following information

— Name of Class Notation— Indication of Class Notation being mandatory— Reference to rule design requirements— Reference to rule survey requirements for Fleet in Service (FiS). NA indicates that requirements are

covered by Main Class Notation (See Pt.7 Ch.1)— Qualifiers as relevant.— Purpose of Class Notation— Application, giving information on when and where the Class Notation can be applied and/or in what

condition a Class Notation is mandatory

1.1.8 Examples of typical Class Notations are shown in Table 1.

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Table 1 Examples of Class Notations

Example 1 Example 2 Example 3

Construction symbol [2.2] ✠ ✠ ✠

Main Character of Class [2.3] 1A HSLC or LC 1A HSLC or LC 1A HSLC or LC

Service Restriction R1 R2 R3

Ship type notations Passenger craft Patrol Service

Additional Class Notations:

Related to structural strength and integrity ELT

Related to propulsion, power generation andauxiliary systems E0 E0 E0

Related to navigation and manoeuvring NAUT-HSC

Related to equipment and design features Windfarm

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SECTION 2 CONSTRUCTION SYMBOL AND MAIN CLASS NOTATION

1 Construction symbols

1.1 General

1.1.1 The construction symbol ✠ will be assigned to vessels built under the supervision of the Society.

1.1.2 The construction symbol will be assigned to vessels built under the supervision of a classificationsociety recognized by the Society and later assigned Class with the Society. For such vessels the ClassNotations which the Society considers to have the equivalent intent will be assigned.

1.1.3 Vessels other than those described in [1.1.1] and [1.1.2] will not be assigned a construction symbolwhen classed with the Society.

2 Main Class Notation

2.1 General

2.1.1 The notations 1A HSLC or 1A LC, as applicable, will be assigned to vessels with hull, machinery,systems and equipment found to be in compliance with applicable Rule requirements as given in Pt.2, Pt.3and Pt.4.

2.1.2 The notations 1A HSLC or 1A LC, as applicable, will also be assigned to vessels designed andconstructed in accordance with the rules of another classification society, and later assigned Class with theSociety.

2.2 Applicability of Rules for High Speed and Light Craft

2.2.1 A Light Craft, LC, is defined as a craft with a full load displacement not more than:

∆= (0.13 L B) 1.5 (tonnes)

∆ = maximum permissible displacement (tonnes)L = overall length of the underwater watertight envelope of the rigid hull excluding appendages, at or

below the design water line in the displacement mode with no lift or propulsion machinery active (m)B = full breadth at L/2 (m).

Craft with displacements in excess of the above requirement shall be classified in accordance with additionalrequirements to strength and watertight integrity as stipulated for each ship type notation.

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2.2.2 A High Speed Light Craft, HSLC, is defined as a craft, that in addition to fulfilling [1.2.3], is capable ofa maximum speed in knots equal to or exceeding:

V = 7.16 ∆ 0.1667

V = the speed (knots)∆ = the displacement corresponding to the design waterline (tonnes).

Guidance note:The above criteria is in compliance with the application for the IMO HSC Code. The factor is adjusted only for the alternative units.

---e-n-d---of---g-u-i-d-a-n-c-e---n-o-t-e---

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SECTION 3 SHIP TYPE NOTATIONS

1 Introduction

1.1 General

1.1.1 All high speed, light craft and naval service craft shall, in addition to the main class, have one of theship type notations defined in Table 1 to Table 8. The ship type notations define which requirements of Pt.3and Pt.4 that are applicable for a specific ship type.

1.1.2 Certain ship type notations are mandatory based on e.g.:

— type of cargo— number of passengers— the ability to execute special operations

2 Passenger craftTable 1 Ship type notation for passenger ships

Class Notation Qualifier Purpose Application

Passenger craftMandatory:

Yes

Design Requirements:

Pt.5 Ch.1

FiS survey requirements:

Pt.7 Ch.1 Sec.2, Pt.7 Ch.1Sec.3, and Pt.7 Ch.1 Sec.4

<None> Carriage of passengers More than 12 passengers

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3 Car ferryTable 2 Ship type notation for car ferry


A Carriage of passengers andvehicles.

More than 12 passengersand vehicles on encloseddecks

B Carriage of passengers andvehicles.

More than 12 passengersand vehicles on decksthat are ventilatingfreely. Requires operatingrestriction R2 or stricter

FerryMandatory:

Yes


Pt.5 Ch.2


Pt.7 Ch.1 Sec.2, Pt.7 Ch.1Sec.3, and Pt.7 Ch.1 Sec.4 C Carriage of passengers and

vehicles.

More than 12 passengersand vehicles on weatherdecks only. Requiresoperating restriction R3 orstricter

4 Cargo craftTable 3 Ship type notation for dry cargo crafts


A Carriage of cargo in enclosedhold

CargoMandatory:

Yes


Pt.5 Ch.3



BCarriage of cargo onopen deck and carriage ofcontainers

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5 Crew boatsTable 4 Ship type notation for crew boats


CrewMandatory:

Yes


Pt.5 Ch.4



<None>

Carriage of workers andcargo between shoreand offshore installationsand similar types oftransportation

6 Patrol boatsTable 5 Ship type notation for patrol boats


PatrolMandatory:

No


Pt.5 Ch.6



<None>

Crafts not intended to carryordinary cargo, does notcarry ordinary passengersnor take part in commercialtrade.

Crafts intended for pilot,police, custom, rescue, fire,ambulance, navy, coast-guard, pollution control andpatrol services.

7 Small service craftTable 6 Ship type notation for small service crafts


ServiceMandatory:

No


Pt.5 Ch.5



<None> Carriage of cargo and up to12 workers or passengers

Crafts with load line lengthunder 24 meters

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8 Naval and naval support vesselsTable 7 Ship type notations for naval crafts


NavalMandatory:

Yes


Pt.5 Ch.13 Sec.3FiS survey requirements:


<None> Naval operationsNaval flagged vessels andadministered by a nationalnaval administration

Must be combined with oneor the Ship Type notations

Naval operations and Navalsupport operations

Naval flagged vessels andadministered by a nationalnaval administration

HullNaval requirements forarrangements, loads and hullstrength

STAB Naval requirements forstability

SystemNaval requirements forpiping, machinery, electrical,control and monitoring

Fire Naval requirements for firesafety

EVAC Naval requirements for safeevacuation

RADHAZ Naval requirements forradiation hazards

EMCNaval requirementsfor electromagneticcompatibility

Naval supportMandatory:

Yes


Pt.5 Ch.13 Sec.3



SAMNaval requirementsfor storage rooms forammunition

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9 Naval landing craft

9.1 GeneralTable 8 Ship type notation for Naval landing craft


Naval landing craftMandatory:

Yes


HSLC/NC Pt.5 Ch.13 Sec.3



<None>

For vessels intended tocarry troops, vehicles andequipment combined withbeach landing operations.

Vessels flying a navalflag and administeredby a national navaladministration andLpp<40 m

9.1.1 The Class Notation Naval support or LC Naval support may be combined with another ship typenotation.

9.1.2 Any combinations of qualifiers for Naval support are allowed. For example Naval support(Hull,STAB, Fire)

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SECTION 4 ADDITIONAL CLASS NOTATIONS

1 Introduction

1.1 General

1.1.1 Vessels that comply with the requirements provided in Pt.6 may be assigned corresponding additionalClass Notation as indicated in Table 1 to Table 11.

1.1.2 Certain additional Class Notations are mandatory for certain types of installations, features, orequipment installed; (e.g. Battery power, FC) where the Society has found that these constitute possiblehazards to personnel and/or the vessel. Mandatory additional Class Notations are indicated in the tablesreferred below.Additional Class Notations made mandatory for different ship types are also referred in Pt.5.

2 Structural strength and integrityTable 1 Additional Class Notations related to structural strength and integrity


ELTMandatory:

No


Pt.6 Ch.1



AProvide basis for evaluationof craft with an extendedlifetime

Crafts with a target designlife more than 20 years

3 Propulsion, power generation and auxiliary systemsTable 2 Additional Class Notations related to propulsion, power generation and auxiliary systems


Battery powerMandatory:

Yes


SHIP Pt.6 Ch.2 Sec.1



<None>Battery installations forpropulsion and otherservices

Mandatory where batterypower is used as propulsionpower during normaloperations

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E0Mandatory:

No


Pt.6 Ch.2FiS survey requirements:


<None> Unattended machinery space

FCMandatory:

Yes





<None> Fuel cell installations

Mandatory where thefuel cell power is used foressential, important oremergency services

Gas fuelledMandatory:

Yes





<None> Gas fuelled engineinstallations Mandatory when installed

LFL fuelledMandatory:

Yes





<None> Low flashpoint liquid fuelledengine installations Mandatory when installed

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4 Navigation and manoeuvringTable 3 Additional Class Notations related to navigation and manoeuvring


HSC

Basic bridge design,instrumentation, locationof equipment and bridgeprocedures with bridgedesign and bridge controlconsole.

Compliance with SOLASand IMO Res. MSC. 97(73)

NAUTMandatory:

No

Design requirements:

Pt.6 Ch.3


Pt.7 Ch.1 Sec.6 [XY] NAV

Basic bridge design,instrumentation, locationof equipment and bridgeprocedures with bridgedesign and bridge controlconsole.

Compliance with SOLASV/15 and IMO MSC/Circ.982 on ergonomiccriteria for bridgeequipment and layout

5 Equipment and design featuresTable 4 Additional Class Notations related to equipment and design features


<None> Helicopter deck

S Additional requirements tovessel safety

H Additional requirements tohelicopter safety

F Additional requirements tohelicopter facility

HELDKMandatory:

No


Pt.6 Ch.4 Sec.1



CAA-N

Helicopter facility has beenevaluated for additionalrequirements specified bythe Norwegian Civil AviationAuthorities

WindfarmMandatory:

No


Pt.6 Ch.4 Sec.2



<None>Vessels intended for serviceon offshore installation,including windfarms

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6 Environmental protection and pollution controlTable 5 Additional Class Notations related to environmental protection and pollution control


RecyclableMandatory:

No


Pt.6 Ch.5 Sec.1



<None> Inventory of HazardousMaterials

<None>Arrangements for controllingand limiting operationalemissions and discharges

Design

Additional designrequirements for protectionagainst accidents and forlimiting their consequences

Clean

Mandatory:

No




SHIP Pt.7 Ch.1 Sec.6,

Tier III

Compliance with the NOxemission requirements ofTier III according to MARPOLAnnex VI, Regulation 13.

Shore powerMandatory:

No


Pt.6 Ch.5 Sec.2



<None> Electric shore connections

7 Living and working conditions

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Table 6 Additional Class Notations related to living and working conditions


NMandatory:

No


Pt.6 Ch.6 Sec.1



<None> Noise level limitation

SVMandatory:

No


Pt.6 Ch.6 Sec.1



Structural vibrationslimitation

MVMandatory:

No


Pt.6 Ch.6 Sec.1



Machinery vibrationrequirements

NVMandatory:

No


Pt.6 Ch.6 Sec.1



Requirements to noiselevel and structural andmachinery vibrations.

Applicable whenrequirements to N, SV andMV are satisfied

8 Survey arrangements

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Table 7 Additional Class Notations related to survey arrangement


HMONMandatory:

No


Pt.6 Ch.7 Sec.1



<None>

Hull monitoring at variouslocations to reduce the needfor internal survey throughincreased focus on hullstress warnings.

TMONMandatory:

No


Pt.6 Ch.7 Sec.2



Tail shaft monitoring enablesoperators to continouslyobservce and assess thecondition of the shaft(s)which may extend intervalbetween tail shaft surveys/shaft withdrawal

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9 NavalTable 8 Additional Class Notations related to naval vessels


NAUTMandatory:

No


Pt.6 Ch.8 Sec 1


Pt.7 Ch.1 Sec.6

Navy

Basic requirements tobridge design, bridgeinstrumentation, andworkstation arrangement

All naval flagged vesselsand administeredby a national navaladministration, except:

— Vessel of less than 24meters LOA

— Submarines

1Protection against nuclear,biological and chemicalthreats on naval crafts

A non-citadel craft withoutNBC filter. A NBC shelterproviding a degree ofprotection against ingressof NBC agents can beestablished by isolatinga part of the craft fromthe outside environmentand adjoining unprotectedcompartments.

NBCMandatory:

No


Pt.6 Ch.8 Sec. 2


Pt.7 Ch.1 Sec.6

2Protection against nuclear,biological and chemicalthreats on naval crafts

A citadel can be establishedor is permanently installedby providing fresh airthrough NBC filters,facilitating operations oflong duration in a NBCcontaminated area with apressurised citadel.

H

Applicable to naval surfacevessels, where the hullgirder strength shall meetthe residual strengthrequirements of specified(contractual) combatdamage

S

Applicable to naval vesselsthat need extended systemredundancy, due to specified(contractual) combatdamage.

CBTMandatory:

No


Pt.6 Ch.8 Sec.2



SHApplicable to vessels thatmeets requirements toqualifiers –S and -H

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SECTION 5 SERVICE AREA

1 Service area notation

1.1 General

1.1.1 The service area notation R followed by a number or a letter will be assigned to all high speed, lightcraft and naval surface craft.The service area restrictions, given in nautical miles and representing the maximum distance from nearestport or safe anchorage, are given in Table 1. For the various service area notations the restrictions arerelated to the zones, areas and seasonal periods as defined in the International Convention on Load Lines,1966, Annex II.The service area notation RE is limited to enclosed waters such as fjords, ports, rivers and lakes.The service area restrictions as related to the assigned service area notation will be included in the “Appendixto the Class Certificate”.

Table 1 Service area restrictions

Seasonal zones (nautical miles)Service area notations

Winter Summer Tropical

R0 250 No restrictions* No restrictions*

R1 100 200 300

R2 50 100 200

R3 20 50 100

R4 5 10 20

R5 1 2 5

R6 0.2 0.3 0.5

*) Unrestricted service notation is not applicable for craft falling within the scope of the HSC Code, i.e. ship typenotations Passenger, Ferry or Cargo

1.1.2 Modified requirements related to the various service area notations are given in the relevant sectionsof the rules. The modifications will affect:

— design hull girder loads— design pressures on shell, weather decks, superstructures and deckhouses— anchoring and mooring equipment— arrangement— stability

1.1.3 The Flag Administration, the domestic requirements of which are being applied under the provisionof Pt.1 Ch.1 Sec.2 [1.3.7] (local trade), shall be indicated in parentheses after the service area notation, byusing lower-case country codes in accordance with ISO 3166, (e.g. R2 (nor), should the Flag Administrationbe Norway or R2 (usa) should the Flag Administration be U.S.A. etc.).

1.1.4 Other service restrictions or operational limits included in the design assumptions for a vessel will bestated in the “Appendix to the Class Certificate”, and/or on special signboards.

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