船舶建造油漆标准英.docx
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船舶建造油漆标准英.docx
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船舶建造油漆标准英
PERFORMANCESTANDARDFORPROTECTIVECOATINGSFOR
DEDICATEDSEAWATERBALLASTTANKSINALLTYPESOFSHIPS
ANDDOUBLE-SIDESKINSPACESOFBULKCARRIERS
1PURPOSE
ThisStandardprovidestechnicalrequirementsforprotectivecoatingsindedicatedseawaterballasttanksofalltypeofshipsofnotlessthan500grosstonnageanddouble-sideskinspacesarrangedinbulkcarriersof150 minlengthandupward*forwhichthecontractisplaced,thekeelsofwhicharelaidorwhicharedeliveredonorafterthedatesreferredtointhatregulationforpurposeofSOLASregulation II-1/3-2asadoptedbyresolutionMSC.[...(82)].
2DEFINITIONS
ForthepurposeofthisStandard,thefollowingdefinitionsapply:
2.1BallasttanksarethoseasdefinedinresolutionsA.798(19)andA.744(18).
2.2Dewpointisthetemperatureatwhichairissaturatedwithmoisture.
2.3DFTisdryfilmthickness.
2.4Dustislooseparticlematterpresentonasurfacepreparedforpainting,arisingfromblast-cleaningorothersurfacepreparationprocesses,orresultingfromtheactionoftheenvironment.
2.5Edgegrindingisthetreatmentofedgebeforesecondarysurfacepreparation.
2.6“GOOD”conditionistheconditionwithminorspotrustingasdefinedinresolution A.744(18).
2.7Hardcoatingisacoatingthatchemicallyconvertsduringitscuringprocessoranonconvertibleairdryingcoatingwhichmaybeusedformaintenancepurposes.Canbeeitherinorganicororganic.
2.8NDFTisthenominaldryfilmthickness.90/10practicemeansthat90%ofallthicknessmeasurementsshallbegreaterthanorequaltoNDFTandnoneoftheremaining10%measurementsshallbebelow0.9xNDFT.
2.9Primercoatisthefirstcoatofthecoatingsystemappliedintheshipyardaftershopprimerapplication.
2.10Shop-primeristheprefabricationprimercoatingappliedtosteelplates,ofteninautomaticplants(andbeforethefirstcoatofacoatingsystem).
2.11Stripecoatingispaintingofedges,welds,hardtoreachareas,etc.,toensuregoodpaintadhesionandproperpaintthicknessincriticalareas.
2.12Targetusefullifeisthetargetvalue,inyears,ofthedurabilityforwhichthecoatingsystemisdesigned.
2.13TechnicalDataSheetispaintmanufacturer’sProductDataSheetwhichcontainsdetailedtechnicalinstructionandinformationrelevanttothecoatinganditsapplication.
3GENERALPRINCIPLES
3.1Theabilityofthecoatingsystemtoreachitstargetusefullifedependsonthetypeofcoatingsystem,steelpreparation,applicationandcoatinginspectionandmaintenance.Alltheseaspectscontributetothegoodperformanceofthecoatingsystem.
3.2Inspectionofsurfacepreparationandcoatingprocessesshallbeagreeduponbetweentheshipowner,theshipyardandthecoatingmanufacturerandpresentedtotheAdministrationoritsrecognizedorganizationforreview.ClearevidenceoftheseinspectionsshallbereportedandbeincludedintheCoatingTechnicalFile(CTF)(seeparagraph3.4).
3.3WhenconsideringtheStandardprovidedinsection4,thefollowingistobetakenintoaccount:
.1itisessentialthatspecifications,proceduresandthevariousdifferentstepsinthecoatingapplicationprocess(including,butnotlimitedto,surfacepreparation)arestrictlyappliedbytheshipbuilderinordertopreventprematuredecayand/ordeteriorationofthecoatingsystem;
.2thecoatingperformancecanbeimprovedbyadoptingmeasuresattheshipdesignstagesuchasreducingscallops,usingrolledprofiles,avoidingcomplexgeometricconfigurationsandensuringthatthestructuralconfigurationpermitseasyaccessfortoolsandtofacilitatecleaning,drainageanddryingofthespacetobecoated;
.3thecoatingperformancestandardprovidedinthisdocumentisbasedonexperiencefrommanufacturers,shipyardsandshipoperators;itisnotintendedtoexcludesuitablealternativecoatingsystems,providingaperformanceatleastequivalenttothatspecifiedinthisStandardisdemonstrated.Acceptancecriteriaforalternativesystemsareprovidedinsection8.
3.4CoatingTechnicalFile
3.4.1Specificationofthecoatingsystemappliedtotheseawaterballasttanksanddouble-sideskinspaces,recordoftheshipyard’sandshipowner’scoatingwork,detailedcriteriaforcoatingselection,jobspecifications,inspection,maintenanceandrepairshallbedocumentedintheCoatingTechnicalFile,andtheCoatingTechnicalFileshallbereviewedbytheAdministrationoranorganizationrecognizedbytheAdministration.
3.4.2Newconstructionstage
TheCoatingTechnicalFileshallcontainatleastthefollowingitemsrelatingtothisStandardandshallbedeliveredbytheshipyardatnewshipconstructionstage:
.1copyofStatementofComplianceorTypeApprovalCertificate;
.2copyofTechnicalDataSheet,including:
-productnameandidentificationmarkand/ornumber;
-materials,componentsandcompositionofthecoatingsystem,colours;
-minimumandmaximumdryfilmthickness;
-applicationmethods,toolsand/ormachines;
-conditionofsurfacetobecoated(de-rustinggrade,cleanness,profile,etc.);and
-environmentallimitations(temperatureandhumidity);
.3shipyardworkrecordsofcoatingapplication,including:
-appliedactualspaceandarea(insquaremetres)ofeachcompartment;
-appliedcoatingsystem;
-timeofcoating,thickness,numberoflayers,etc.;
-ambientconditionduringcoating;and
-methodofsurfacepreparation;
.4proceduresforinspectionandrepairofcoatingsystemduringshipconstruction;
.5coatinglogissuedbythecoatinginspector–statingthatthecoatingwasappliedinaccordancewiththespecificationstothesatisfactionofthecoatingsupplierrepresentativeandspecifyingdeviationsfromthespecifications(exampleofdailylogandnon-conformityreport,seeannex2);
.6shipyard’sverifiedinspectionreport,including:
-completiondateofinspection;
-resultofinspection;
-remarks(ifgiven);and
-inspectorsignature;and
.7proceduresforin-servicemaintenanceandrepairofcoatingsystem.
3.4.3Maintenance,repairandpartialre-coating
Maintenance,repairandpartialre-coatingactivitiesshallberecordedintheCoatingTechnicalFileinaccordancewiththerelevantsectionoftheGuidelinesforcoatingmaintenanceandrepair*.
3.4.4Re-coating
Iffullre-coatingiscarriedout,theitemsspecifiedinparagraph3.4.2shallberecordedintheCoatingTechnicalFile.
3.4.5TheCoatingTechnicalFileshallbekeptonboardandmaintainedthroughoutthelifeoftheship.
3.5Healthandsafety
Theshipyardisresponsibleforimplementationofnationalregulationstoensurethehealthandsafetyofindividualsandtominimizetheriskoffireandexplosion.
4COATINGSTANDARD
4.1Performancestandard
ThisStandardisbasedonspecificationsandrequirementswhichintendtoprovideatargetusefulcoatinglifeof15years,whichisconsideredtobethetimeperiod,frominitialapplication,overwhichthecoatingsystemisintendedtoremainin“GOOD”condition.Theactualusefullifewillvary,dependingonnumerousvariablesincludingactualconditionsencounteredinservice.
4.2Standardapplication
Protectivecoatingsfordedicatedseawaterballasttanksofallshiptypesanddouble-sideskinspacesarrangedinbulkcarriersof150 minlengthandupwardshallatleastcomplywiththerequirementsinthisStandard.
4.3Specialapplication
4.3.1ThisStandardcoversprotectivecoatingrequirementsforthevesselsteelstructure.Itisnotedthatotherindependentitemsarefittedwithinthetankstowhichcoatingsareappliedtoprovideprotectionagainstcorrosion.
4.3.2ItisrecommendedthatthisStandardistobeappliedtotheextentpossible,tothoseportionsofpermanentmeansofaccessprovidedforinspection,notintegraltothevesselstructure,suchasrails,independentplatforms,ladders,etc.Otherequivalentmethodsofprovidingcorrosionprotectionforthenon-integralitemsmayalsobeusedprovidedtheydonotimpairtheperformanceofthecoatingsofthesurroundingstructure.Accessarrangementsthatareintegralwiththevesselstructure,suchasincreasedstiffenerdepthsforwalkways,stringers,etc.aretofullycomplywiththisStandard.
4.3.3Itisalsorecommendedthatsupportsforpiping,measuringdevices,etc,becoatedinaccordancewiththenon-integralitemsindicatedin4.3.2.
4.4Basiccoatingrequirements
4.4.1Therequirementsforprotectivecoatingsystemstobeappliedatshipconstructionfordedicatedseawaterballasttanksofallshiptypesanddouble-sideskinspacesarrangedinbulkcarriersof150 minlengthandupwardmeetingtheperformancestandardspecifiedinparagraph4.1arelistedintable1.
4.4.2Coatingmanufacturersshallprovideaspecificationoftheprotectivecoatingsystemtosatisfytherequirementsoftable1.
4.4.3TheAdministrationoranorganizationrecognizedbytheAdministrationshallverifytheTechnicalDataSheetandStatementofComplianceorTypeApprovalCertificatefortheprotectivecoatingsystem.
4.4.4TheshipyardshallapplytheprotectivecoatinginaccordancewiththeverifiedTechnicalDataSheetanditsownverifiedapplicationprocedures.
Table1–Basiccoatingsystemrequirementsforballasttanksofalltypeofshipsanddouble-sideskinspacesofbulkcarriersof150mandupwards
Characteristic
Requirement
Referencestandard
1Designofcoatingsystem
a
Selectionofthecoatingsystem
Theselectionofthecoatingsystemshouldbeconsideredbythepartiesinvolvedwithrespecttotheserviceconditionsandplannedmaintenance.Thefollowingaspects,amongotherthingsshouldbeconsidered:
.1locationofspacerelativetoheatedsurfaces;
.2frequencyofballastinganddeballasting
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