Part 4, Machinery and Systems (1)

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1、Part4:MachineryandSystemsRULESFORBUILDINGANDCLASSINGMOBILEOFFSHOREDRILLINGUNITS2014PART4MACHINERYANDSYSTEMSAmericanBureauofShippingIncorporatedbyActofLegislatureoftheStateofNewYork1862Copyright2013AmericanBureauofShippingABSPlaza16855NorthchaseDriveHoust

2、on,TX77060USARuleChangeNotice(2014)RuleChangeNotice(2014)Theeffectivedateofeachtechnicalchangesince1993isshowninparenthesisattheendofthesubsection/paragraphtitleswithinthetextofeachPart.Unlessaparticulardateandmonthareshown,theyearsinparenthesesrefertothe

3、followingeffectivedates:(2000)andafter1January2000(andsubsequentyears)(1996)9May1996(1999)12May1999(1995)15May1995(1998)13May1998(1994)9May1994(1997)19May1997(1993)11May1993ListingbyEffectiveDatesofChangesfromthe2012RulesNoticeNo.1(effectiveon1July2012),N

4、oticeNo.2(effectiveon1January2013),andNoticeNo.3(effectiveon1July2013)tothe2012Rules,whichareincorporatedinthe2014Rules,aresummarizedbelow.EFFECTIVEDATE1July2012–shownas(1July2012)(basedonthecontractdatefornewconstructionbetweenbuilderandOwner)Part/Para.N

5、o.Title/SubjectStatus/Remarks4-2-4/11.9BallastWaterTreatmentSystemsToensurethatusersareawareofthemandatoryrequirementsidentifiedin(New)theABSGuideforBallastWaterTreatment.(IncorporatesNoticeNo.1)EFFECTIVEDATE1January2013–shownas(2013)(basedonthecontractda

6、tefornewconstructionbetweenbuilderandOwner)Part/Para.No.Title/SubjectStatus/Remarks4-2-1/Table1ClassesofPipingSystemsTorelocatetherequirementsin4-2-6/5.5.1(a)toamoreappropriatelocation.(IncorporatesNoticeNo.2)4-2-1/11.15Bulkhead,DeckorTank-TopTobeconsiste

7、ntwithcurrentABSpractice.ToseparatetherequirementsPenetrationsforwatertightintegrityandsmoketightintegrity,forclarityandalignmentwithotherRules.(IncorporatesNoticeNo.2)4-2-5/Figure1AcceptableFuelOilTanksToprovideconsistencybetweentheplanandelevationviews.

8、ArrangementsInsideCategoryA(IncorporatesNoticeNo.2)MachinerySpaces4-2-5/3.9ValvesonOilTanksToaligntherequirementswiththeIACSCommonStructuralRules,whichallowconnectingthevalvetothetankusingashortpieceofpipebetweenthe