FS1FINALWord格式文档下载.docx
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FS1FINALWord格式文档下载.docx
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114Cargoareaconstruction1-9
115Forebodyconstruction1-10
12DECKHOUSEANDFUNNEL1-11
13MISCELLANEOUS1-12
131Foundation1-12
132Bulwarkandbreakwater1-12
133Bilgekeel1-12
134Bottomplug1-12
135Hullandhousemarking1-13
136Cellularconstruction1-14
Chapter1HULLPART
10GENERALHULLWORK
100Materialandscantling
HullconstructionexceptotherwisespecifiedshallbeofmildsteelandhighertensilesteelwhichhavebeenapprovedbytheClass,andsteelmaterialincludingcastingandforgingshallbeofqualitycomplyingwiththerequirementsoftheClass.
Highertensilesteelhaving32kg/mm2or36kg/mm2minimumyieldstressshallbeusedfortheupperandlowerpartsoflongitudinalstructuralmembersandlocaltransversestructuralmemberswherehigherstressesmayoccurinwayofcargoarea.
However,mildsteelshallbeusedfortheinnerbottomplateofthelowesttanktopandtheotherstructuralmembersasmuchaspracticable.
ScantlingofstructuralmembersshallbeincompliancewiththerequirementsoftheClass,theBuilder'
spracticeandtheBuyer'
srequirementsspecifiedinthisSpecifications.
Thesideshellplatethicknessbetweenabt.9mA/Bandabt.13mA/BfromNo.2cargoholdtoNo.6cargoholdshallbeincreasedby2mmovertherequirementsoftheClass.
Scantlingreductionbycorrosioncontrolshallnotbeapplied.
FiniteelementanalysisforhullstructuresshallbecarriedoutontheloadingconditionsasrecommendedbytheClass.
FatiguestrengthshallbeconsideredinaccordancewiththerequirementsoftheClassrule.
SpecialstrengtheningandqualityofmaterialsrequiredbytheBuyerexceedingthoseapprovedbytheClass,unlessotherwisespecifiedintheSpecificationsortheplanssubmittedtotheBuyerforapproval,shallbeappliedasanextraworkontheBuyer'
saccount,solongastheworkwillnotdisturbtheBuilder'
sworkingschedule.
101Workmanship
Welding
WeldingprocedureincludingedgepreparationshallbeexecutedinaccordancewiththeBuilder'
scurrentpracticeapprovedbytheClass.
Automaticandsemi-automaticweldingshallbeexecutedextensivelyasfaraspracticable.
Correctivemeasuresformis-cutholes,thelackofalignmentofjoints,excessivegaps,etc.shallbeappliedaccordingtotheBuilder'
spracticeapprovedbytheClass.
Weldingjointsbetweencastingsandplatingsshallbeheatedpriortoand/orduringweldinginaccordancewiththerequirementsoftheClass.
Loosemillscaleandexcessiverusttoberemovedfromthesteelbeforeweldingisapplied.
Generally,stressrelievingofthehullstructureshallnotbeexecutedexceptcaststeelpartsofthesternframe,sternbossrudderhornandrudderwhichshallbeannealed.
Allweldingshallbecontinuousexceptforthedryspacesinthedeckhousewhereintermittentweldmaybeadopted.
Accessopeningsandtemporarypieces
AccessopeningsforworkersduringconstructionandforthefutureconvenienceshallbeprovidedforeachcellularspaceinthedoublebottomandverticalwingspacewithClassapproval.
Provisionalaccessopeningforworkersmaybeprovidedinlowstressareasofthevesselonlyduringconstructionandclosedbyinsertplateordoubleplateaftercompletionoftheconstructionwork.
Temporarypiecessuchasstagingpieces,liftinglugsandtheirreinforcementslocatedinthefatiguesensitivearea,highstressedareaorpassagewayshallbetreatedwithoutleavingnotchesaccordingtoClassificationrequirements.HoweverthosepiecesconsiderednotinconvenientforthefutureservicemayremaininconsultationwiththeBuyer.
102Constructiontest
ThetestingscheduleshallbedeterminedbytheBuilderinviewofthebuildingscheduleandsubmittedtotheBuyer'
ssupervisorafterClassapproval.
LeaktestandstructuralstrengthtestshallbecarriedoutinaccordancewiththerequirementsoftheClass.
*Leaktestshallbecarriedoutbypressurisedairandsoapywateratassemblyorerectionstages.However,filletanderectionjointsofthetankboundariesmaybetestedlocallybyacompressedairorvacuumtestingdevice.
HydrostaticstructuralstrengthtestshallbecarriedoutfortanksselectedbytheClassinaccordancewiththerequirementsandinattendanceoftheClasstodemonstratethestructuraladequacy.
Weathertightand/orwatertightdoors,hatches,etc.shallbetestedwithwaterhoseinaccordancewiththerequirementsoftheClass.
Ruddershallbeleaktestedwithairaftercompletionoffabrication.
Nondestructivetest(NDT)shallbecarriedoutinaccordancewiththerequirementsoftheClass.
*ExtentandlocationsoftheNDTshallbeinaccordancewiththerequirementsoftheClassandNDTplanapprovedbytheClassshallbesubmittedtotheBuyer.
11MAINHULL
110General
StructuraldetailsshallbeinaccordancewiththeBuilder'
ThestandardofstructuralalignmentshallbeinaccordancewiththeBuilder’sstandardandtherequirementsoftheClass.
Slots,airholes,drainholes,scallopsandlighteningholesshallbeprovidedinaccordancewiththeBuilder'
spractice.
Adequatedrainholesandairholesshallbeprovidedintheinternalstructuralmembersintankstoensureproperdrainagetosuctionsorairescapetovents.
Air/drainholesshallbelocatedclearofbrackettoesasfaraspracticable.
Stepsandhandgripsshallbeprovidedfortheaccessopeningofwhichsillheightisover600mmaccordingtotheBuilder’spractice.
LighteningholesonthehorizontalstringersshallbeprotectedbysteelbarstopreventpersonnelfallingthroughaccordingtotheBuilder'
Frames,beamsandstiffenersshallbeeitherofflatbar,rolledsectionorbuilt-upsection.
Gunwaleconnectionbetweenupperdeckplateandsheerstrakeshallbeofdirectlyweldedtype.
Themainhullshallbelongitudinallyframedextensively,however,endsofhullmaybeframedtransverselytosuittheconstructionofthestructure.
TheshellanddeckplatesshallbegraduallytaperedinthicknessfrommidshipportiontoendsinaccordancewiththerequirementsoftheClass.
Platingunderheavyconcentratedloadshallbereinforcedwithdoublersand/orstiffenerswherenecessary.DecksunderdeckmachinerytobestrongerthanmaximumSWLofdeckmachinery.
FlatplatekeelshallbeprovidedthroughouttheVessel'
slengthandconnectedtostemandsternframe.
ReinforcementsfordockingshallbeprovidedtowithstandthedockingconditionasdefinedinChapter051inaccordancewiththerequirementsoftheClass.
Tugpushingareas(apprx.20m2perpushingarea)ofshipsideatforward,midandaftshallbestrengthenedwithstiffenersaccordingtotheBuilder'
Shellplatingshallbegraduallytapedinthicknessfrommidshiptoends.Wherethethicknessisdifferent(morethan3mm)betweentheadjacentplates,theedgeofthethickerplateshallbechamferedintosuitabletaperontheoutersideaccordingtotheClassRules.
111Aftbodyconstruction
Sternshallbedesignedtoobtainproperclearanceforpropellerandtosupportrudder.
Deepsolidfloorsshallbearrangedinaftpeaktank.
Aftpeakbulkheadshallbeofplanetype.
Eyeplatesforliftingrudder,shaftsandpropellershallbeprovidedinlongitudinaldirection.
Rudderhornshallbefabricatedofweldablecaststeel.
Sternbossshallbeofweldablecaststeel.
Thesterntubefabricatedwithsteelplateandcaststeelendpieceshallbeprovidedbetweensternbossandtheaftpeakbulkhead.
Thesternisoftransomtype.
Halfroundbarsshallbefittedontransombothsidesinproperpositionforprotectingmooringropesandpaint.
112Rudderandassembly
Rudderandrudderpintle
Ruddershallbeofsemi-balancedstreamlinetypeandfabricatedwithsteelplateandweldablecaststeelforsecuringpintleandrudderstock.
Ruddershallhaveworkingangleof35eachside.
Therudderdesignshallbebasedonthemovablerudderareaofatleast1.7%ofLBPxdesigndraught.
Bottomforepartoftheruddertoberoundedoff.
Rudderandrudderhorntobeprotectedagainsterosionandcorrosionbymeansofglassflakecoating(600).
RuddersystemshallbedesignedundertheconditionoftheVessel’smaximumservicespeedatthesummerloadeddraftandturningangleof35inaccordancewiththerequirementsoftheClass.
Propellerandrudderstockshallbecapableofremovalwithoutdismantlingtherudderbody.
Weldedjumpingstoppershallbeprovidedonthetopofthelowerruddercastingforpreventingtherudderfromunduelifting.Clearanceabout2mm.
Thechangeofplatethicknessshalloccurinsidetomakeoutsidesurfacesmooth.
Bottomclearanceoftherudderandpropellershallbeofminimum100mmfordrydocking.
Ruddershallhaveone
(1)pintlemadeofforgedsteelwithshrunk-onstainlesssteelsleeve(SUS316orequivalent).
Gudgeonshallhavesyntheticresinbushandnospeciallubricatingdeviceshallbeprovided.
Weldedremovalboxshallbeprovidedintherudderbodyformaintenanceofthepintlewithoutunshippingoftherudderbody.
Oneinspectionholewithaboltedcovershallbeprovidedintherudderbodyforcheckingofthepintlebushclearance.
Rudderinspectionholeshallbeprovidedwithstainlesssteelbolts.
Theboltshallhasawasherandthenutshallberoundweldedfrominsideforlocking.
One
(1)setofairplugshallbefittedintop,andtwo
(2)setsofdrainpluginbottom.
Rudderstock
Rudderstockshallbeofone
(1)pieceofforgedsteelwiths
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