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1、Part4:MachineryandSystemsRULESFORBUILDINGANDCLASSINGMOBILEOFFSHOREDRILLINGUNITS2014PART4MACHINERYANDSYSTEMSAmericanBureauofShippingIncorporatedbyActofLegislatureoftheStateofNewYork1862Copyright?2013AmericanBureauofShippingABSPlaza16855NorthchaseDriveHouston,TX77060USARuleChange
2、Notice(2014)RuleChangeNotice(2014)Theeffectivedateofeachtechnicalchangesince1993isshowninparenthesisattheendofthesubsection/paragraphtitleswithinthetextofeachPart.Unlessaparticulardateandmonthareshown,theyearsinparenthesesrefertothefollowingeffectivedates:(2000)andafter1January
3、2000(andsubsequentyears)(1996)9May1996(1999)12May1999(1995)15May1995(1998)13May1998(1994)9May1994(1997)19May1997(1993)11May1993ListingbyEffectiveDatesofChangesfromthe2012RulesNoticeNo.1(effectiveon1July2012),NoticeNo.2(effectiveon1January2013),andNoticeNo.3(effectiveon1July2013
4、)tothe2012Rules,whichareincorporatedinthe2014Rules,aresummarizedbelow.EFFECTIVEDATE1July2012–shownas(1July2012)(basedonthecontractdatefornewconstructionbetweenbuilderandOwner)Part/Para.No.Title/SubjectStatus/Remarks4-2-4/11.9BallastWaterTreatmentSystemsToensurethatusersareaware
5、ofthemandatoryrequirementsidentifiedin(New)theABSGuideforBallastWaterTreatment.(IncorporatesNoticeNo.1)EFFECTIVEDATE1January2013–shownas(2013)(basedonthecontractdatefornewconstructionbetweenbuilderandOwner)Part/Para.No.Title/SubjectStatus/Remarks4-2-1/Table1ClassesofPipingSyste
6、msTorelocatetherequirementsin4-2-6/5.5.1(a)toamoreappropriatelocation.(IncorporatesNoticeNo.2)4-2-1/11.15Bulkhead,DeckorTank-TopTobeconsistentwithcurrentABSpractice.ToseparatetherequirementsPenetrationsforwatertightintegrityandsmoketightintegrity,forclarityandalignmentwithother
7、Rules.(IncorporatesNoticeNo.2)4-2-5/Figure1AcceptableFuelOilTanksToprovideconsistencybetweentheplanandelevationviews.ArrangementsInsideCategoryA(IncorporatesNoticeNo.2)MachinerySpaces4-2-5/3.9ValvesonOilTanksToaligntherequirementswiththeIACSCommonStructuralRules,whichallowconne
8、ctingthevalvetothetankusingashortpieceofpipebetweenthe
