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  • 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

    RULES FOR BUILDING AND CLASSING

    OFFSHORE SUPPORT VESSELS 2013

    PART 4 VESSEL SYSTEMS AND MACHINERY

    American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862

    Copyright 2012 American Bureau of Shipping ABS Plaza 16855 Northchase Drive Houston, TX 77060 USA

  • ii ABS RULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS . 2013

    R u l e C h a n g e N o t i c e ( 2 0 1 3 )

    Rule Change Notice (2013) The effective date of each technical change since 1993 is shown in parentheses 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 dates:

    (2000) and after 1 January 2000 (and subsequent years) (1996) 9 May 1996 (1999) 12 May 1999 (1995) 15 May 1995 (1998) 13 May 1998 (1994) 9 May 1994 (1997) 19 May 1997 (1993) 11 May 1993

    Listing by Effective Dates of Changes from the 2011 Guide

    Notice No. 1 (effective on 1 July 2011) to the 2011 Guide, which is incorporated in the 2013 Rules, is summarized below.

    EFFECTIVE DATE 1 July 2011 shown as (1 July 2011) (based on the contract date for new construction between builder and Owner)

    Part/Para. No. Title/Subject Status/Remarks 4-3-4/1.5.6 Steering Gear Control System To clarify the definition to bring attention to the power actuating

    system for the steering gear, instead of only the power unit for the steering gear. (Incorporates Notice No. 1)

    4-3-4/13.1 General To align the requirements for control system redundancy with IACS UI SC94 (Rev. 1). (Incorporates Notice No. 1)

    4-3-4/13.9 (New)

    Computer-based Systems To provide clarification for steering control systems that are computer based systems. (Incorporates Notice No. 1)

    4-3-4/Table 1 Steering Gear Instrumentation To provide a requirement for monitoring of loop failures. To provide a requirement for monitoring of failures of steering control systems that are computer based systems To clarify that that monitoring for hydraulic lock is not required when a steering failure alarm system is provided. (Incorporates Notice No. 1)

    Notice No. 2 (effective on 1 July 2012) to the 2011 Guide, which is incorporated in the 2013 Rules, is summarized below.

    EFFECTIVE DATE 1 July 2012 shown as (1 July 2012) (based on the contract date for new construction between builder and Owner)

    Part/Para. No. Title/Subject Status/Remarks 4-1-1/1.9.4 Hazardous Area To align the requirements with IMO Res. A.673(16) Guidelines for

    the Transport and Handling of Limited Amounts of Hazardous and Noxious Liquid Substances in Bulk on OSV. (Incorporates Notice No. 2)

    4-3-4/21.7 Sea Trials To establish alternative steering gear trial conditions for vessels which cannot be tested at their deepest seagoing draught, as required by SOLAS Regulations II-1/29.3.2 and 29.4.2, in line with IACS UR M42 Rev 4, Steering Gear. (Incorporates Notice No. 2)

    4-3-5/5.3.2(d) Symbols To harmonize with the requirements in the Under 90m Rules. (Incorporates Notice No. 2)

    4-6-2/7.3.4 Pneumatic Tests in Lieu of Hydrostatic Tests

    To remove the responsibility of accepting pneumatic tests in lieu of hydrostatic tests from a Surveyor and place it on the Divisional Survey Department, to properly assess risk of conducting such test. (Incorporates Notice No. 2)

  • ABS RULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS . 2013 iii

    Part/Para. No. Title/Subject Status/Remarks 4-6-4/5.5.1(a) Bilge Main To harmonize with the requirements in the Under 90m Rules.

    (Incorporates Notice No. 2)

    4-6-4/5.7.3 Sludge Tank To align the Rules with UI 15.1.5 in MARPOL, as shown in Annex 28 to MEPC 58/23, eliminating the provision that allowed for a reduction in the minimum required Sludge Tank capacity where a vessel was fitted with an incinerator or similar equipment (Incorporates Notice No. 2)

    4-6-4/7.7 (New)

    Ballast Water Treatment Systems To ensure that users are aware of the mandatory requirements identified in the ABS Guide for Ballast Water Treatment. (Incorporates Notice No. 2)

    4-6-4/9.3.1 General Requirements To harmonize with the requirements in the Under 90m Rules. (Incorporates Notice No. 2)

    EFFECTIVE DATE 1 January 2013 shown as (2013) (based on the contract date for new construction between builder and Owner)

    Part/Para. No. Title/Subject Status/Remarks 4-1-1/Table 3 Certification Details Electrical and

    Control Equipment To align the table with other parts of the Rules.

    4-1-1/Table 6 Certification Details Piping System Components

    To align the table with other parts of the Rules.

    4-2-2/1.5.1 Turbocharger Construction To clarify the intent of the requirements and to be consistent with the requirements in 4-3-4/1.11 of the Steel Vessel Rules.

    4-2-2/5.3.3 Type Test Data To align the requirements with the current practice for speed and temperature of burst tests and containment tests.

    4-3-1A1/13 Load Sharing Factor, K To align the Rules with SO 10300-2, Calculation of load capacity of bevel gears Part 2: Calculation of surface durability (pitting).

    4-3-7 Propulsion Redundancy To remove the sentence in 4-3-7/11 related to service oil pump, since it is considered not to be directly related to a redundancy.

    4-6-1/Table 1 Classes of Piping Systems To relocate the requirements in 4-6-7/7.5.1(a) to a more appropriate location.

    4-6-4/Figure 3 Acceptable Fuel Oil Tanks Arrangements Inside Category A Machinery Spaces

    To provide consistency between the plan and elevation views.

    4-6-4/13.5.3(a) Required Valves To align the requirements with the IACS Common Structural Rules, which allow connecting the valve to the tank using a short piece of pipe between the tank and valve so the valve clears the insulation.

    4-6-5/5.1.2 Basic Requirement To define the term other measures as machinery shutdown.

    4-6-5/5.3.4 Diesel Engines and Associated Reduction Gears

    To clarify that where diesel engines are driving reduction gears, shutdown of diesel is required, regardless of a propulsion train configuration, in order to protect the gear.

    4-6-5/Table 2 Lubrication Oil System Basic Alarms and Safety Shutdown

    To align the table with revisions to the requirements to 4-6-5/5.1.2 and 4-6-5/5.3.4.

    4-6-5/9.5.1(a) Diesel or Turbine Propulsion To clarify the reference for piping system requirements and aligns the terminology with the Steel Vessel Rules.

    4-6-7/3.5.5(f) (New)

    Exemptions To clarify the exemption of compliance with the Rule requirements when the fluid power cylinders are not within the scope of classification.

    4-6-7/7.5.1(a) General To provide references to the appropriate requirements in Sections 4-6-1 and 4-6-2.

    4-6-6/9.5.2 Drainage To clarify that the requirements are intended only for the coaming around the fuel storage tank, but not for the pumping unit coaming when they are separate, as indicated in 4-6-6/9.5.1.

  • iv ABS RULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS . 2013

    Part/Para. No. Title/Subject Status/Remarks 4-8-2/5.15.2 Number of Starts To clarify the requirements and align with SOLAS II-1/Reg. 44

    Starting arrangements for emergency generating sets.

    4-8-2/11.5.4v) To clarify that the power supply requirement is to comply with 4-8-2/11.7.1(b) and 4-8-2/11.7.1(c).

    4-8-2/11.9.1 Ventilation Systems To allow the one control position which is outside of the space to be chosen wisely. To separate ventilation for spaces for: 1, propulsion machinery, 2, other machinery, and 3, other spaces.

    4-8-3/Table 6 Maximum Current Carrying Capacity for Cables

    To align the requirements with the latest IEC 60092-351/352/353 Standard and current shipyard practices.

    4-8-4/11.5 Lighting Distribution Boards To allow the main and the emergency lighting distribution boards to both be placed on the navigation bridge.

    4-8-4/13 Heating Equipment To remove repetition of the requirements in the Rules.

    4-8-4/19 Power Receptacles To align the requirements with IEC 60092-306.

    4-8-4/21.17.1 Emergency and Essential Feeders To reference the specific requirements for the Emergency Fire Pump in 4-8-4/21.17.3.

    4-8-4/21.17.2 Services Necessary Under a Fire Condition

    To reference the specific requirements for the Emergency Fire Pump in 4-8-4/21.17.3.

    4-8-4/21.17.3 Electrical Cables for the Emergency Fire Pump

    To correct reference.

    4-8-5/5.17.13 (New)

    Reduction Gear Safety Lubrication To protect reduction gears for electric propulsion installations in the case of lubrication failure.

    4-9-1/13i) To align with the revision in 4-6-5/5.1.2.

    4-9-1/13ii) To require shutdown of diesel where diesel engines are driving reduction gears, regardless of a propulsion train configuration, in order to protect the gear.

    4-9-4/Table 3 Instrumentation and Safety System Functions in Centralized Control Station Medium and High Speed (Trunk Piston) Diesel Engines

    To clarify that the lube oil monitoring temperature is related to oil outlet.

    4-9-4/Table 4 Instrumentation and Safety System Functions in Centralized Control Station Propulsion Gas Turbines

    To align with the instrumentation and control list for Auxiliary Gas Turbine.

    4-9-4/Table 5B Instrumentation and Safety System Functions in Centralized Control Station Generator Prime Mover for Electric Propulsion

    To clarify that the lube oil monitoring temperature is related to oil outlet.

  • ABS RULES FOR BUILDING AND CLASSING OFFSHORE SUPPORT VESSELS .

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