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首页 DEP 31.38.01.31-CSPC 管道的购买和预制

DEP 31.38.01.31-CSPC 管道的购买和预制.pdf

DEP 31.38.01.31-CSPC 管道的购买和预制

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2018-02-04 0人阅读 0 0 0 暂无简介 举报

简介:本文档为《DEP 31.38.01.31-CSPC 管道的购买和预制pdf》,可适用于工程科技领域

CNOOCANDSHELLPETROCHEMICALSCOMPLEXPROJECTTECHNICALSPECIFICATIONSHOPANDFIELDFABRICATIONOFPIPINGDEPCSPCNovember******ThisDEPhasbeenamendedtobeprojectspecificandisbasedonDEPGen,datedDecemberincorporatingDEPCircularsandRevisionstotheoriginalDEParehighlightedbyunderliningnewtext,strikingthroughdeletedtextandaddingarevisionlineintherighthandmargin******DESIGNANDENGINEERINGPRACTICEThisdocumentisrestrictedNeitherthewholenoranypartofthisdocumentmaybedisclosedtoanythirdpartywithoutthepriorwrittenconsentofShellGlobalSolutionsInternationalBVandShellInternationalExplorationandProductionBV,TheNetherlandsThecopyrightofthisdocumentisvestedinthesecompaniesAllrightsreservedNeitherthewholenoranypartofthisdocumentmaybereproduced,storedinanyretrievalsystemortransmittedinanyformorbyanymeans(electronic,mechanical,reprographic,recordingorotherwise)withoutthepriorwrittenconsentofthecopyrightownersDEPCSPCNovemberPagePREFACEDEPs(DesignandEngineeringPractice)publicationsreflecttheviews,atthetimeofpublication,of:ShellGlobalSolutionsInternationalBV(ShellGSI)andShellInternationalExplorationandProductionBV(SIEP)andShellInternationalChemicalsBV(SIC)andotherServiceCompaniesTheyarebasedontheexperienceacquiredduringtheirinvolvementwiththedesign,construction,operationandmaintenanceofprocessingunitsandfacilities,andtheyaresupplementedwiththeexperienceofGroupOperatingcompaniesWhereappropriatetheyarebasedon,orreferenceismadeto,international,regional,nationalandindustrystandardsTheobjectiveistosettherecommendedstandardforgooddesignandengineeringpracticeappliedbyGroupcompaniesoperatinganoilrefinery,gashandlinginstallation,chemicalplant,oilandgasproductionfacility,oranyothersuchfacility,andtherebytoachievemaximumtechnicalandeconomicbenefitfromstandardizationTheinformationsetforthinthesepublicationsisprovidedtousersfortheirconsiderationanddecisiontoimplementThisisofparticularimportancewhereDEPsmaynotcovereveryrequirementordiversityofconditionateachlocalityThesystemofDEPsisexpectedtobesufficientlyflexibletoallowindividualoperatingcompaniestoadapttheinformationsetforthinDEPstotheirownenvironmentandrequirementsWhenContractorsorManufacturersSuppliersuseDEPstheyshallbesolelyresponsibleforthequalityofworkandtheattainmentoftherequireddesignandengineeringstandardsInparticular,forthoserequirementsnotspecificallycovered,thePrincipalwillexpectthemtofollowthosedesignandengineeringpracticeswhichwillachievethesamelevelofintegrityasreflectedintheDEPsIfindoubt,theContractororManufacturerSuppliershall,withoutdetractingfromhisownresponsibility,consultthePrincipaloritstechnicaladvisorTherighttouseDEPsisgrantedbyShellGSI,SIEPorSIC,inmostcasesunderServiceAgreementsprimarilywithcompaniesoftheRoyalDutchShellGroupandothercompaniesreceivingtechnicaladviceandservicesfromShellGSI,SIEP,SICoranotherGroupServiceCompanyConsequently,threecategoriesofusersofDEPscanbedistinguished:)OperatingcompanieshavingaServiceAgreementwithShellGSI,SIEP,SICorotherServiceCompanyTheuseofDEPsbytheseoperatingcompaniesissubjectinallrespectstothetermsandconditionsoftherelevantServiceAgreement)OtherpartieswhoareauthorizedtouseDEPssubjecttoappropriatecontractualarrangements(whetheraspartofaServiceAgreementorotherwise))ContractorssubcontractorsandManufacturersSuppliersunderacontractwithusersreferredtounder)or)whichrequiresthattendersforprojects,materialssuppliedorgenerallyworkperformedonbehalfofthesaiduserscomplywiththerelevantstandardsSubjecttoanyparticulartermsandconditionsasmaybesetforthinspecificagreementswithusers,ShellGSI,SIEPandSICdisclaimanyliabilityofwhatsoevernatureforanydamage(includinginjuryordeath)sufferedbyanycompanyorpersonwhomsoeverasaresultoforinconnectionwiththeuse,applicationorimplementationofanyDEP,combinationofDEPsoranypartthereof,evenifitiswhollyorpartlycausedbynegligenceonthepartofShellGSI,SIEPorotherServiceCompanyThebenefitofthisdisclaimershallinureinallrespectstoShellGSI,SIEP,SICandoranycompanyaffiliatedtothesecompaniesthatmayissueDEPsorrequiretheuseofDEPsWithoutprejudicetoanyspecifictermsinrespectofconfidentialityunderrelevantcontractualarrangements,DEPsshallnot,withoutthepriorwrittenconsentofShellGSIandSIEP,bedisclosedbyuserstoanycompanyorpersonwhomsoeverandtheDEPsshallbeusedexclusivelyforthepurposeforwhichtheyhavebeenprovidedtotheuserTheyshallbereturnedafteruse,includinganycopieswhichshallonlybemadebyuserswiththeexpresspriorwrittenconsentofShellGSI,SIEPorSICThecopyrightofDEPsvestsinShellGSIandSIEPUsersshallarrangeforDEPstobeheldinsafecustodyandShellGSI,SIEPorSICmayatanytimerequireinformationsatisfactorytotheminordertoascertainhowusersimplementthisrequirementAlladministrativequeriesshouldbedirectedtotheDEPAdministratorinShellGSIDEPCSPCNovemberPageTABLEOFCONTENTSINTRODUCTIONSCOPEDISTRIBUTION,INTENDEDUSEANDREGULATORYCONSIDERATIONSDEFINITIONSCROSSREFERENCESPIPEFABRICATIONGENERALPREPARATIONBENDINGWELDINGFINALCORRECTIONSTOLERANCESINSPECTIONANDTESTINGGENERALHYDROSTATICPRESSURETESTHARDNESSREQUIREMENTSPRESERVATIONREFERENCESAPPENDICESAPPENDIXFABRICATIONPROCEDUREQUALIFICATIONFORHIGHFREQUENCYINDUCTIONBENDING(HFIB)APPENDIXINSPECTIONANDTESTINGOFPRODUCTIONBENDSPRODUCEDBYHIGHFREQUENCYINDUCTIONBENDING(HFIB)APPENDIXWELDINGPROCEDUREFORSOFTSEATEDWELDEDVALVESAPPENDIXINSPECTIONCLASSESFORPIPINGDEPCSPCNovemberPageINTRODUCTIONSCOPEThisDEPspecifiesrequirementsandgivesrecommendationsforshopandfieldfabricationandtestingofpiping,whichshallalsocomplywithANSIASMEBThisDEPisarevisionofanearlierDEPofthesamenumberdatedAugustThisDEPshallapplytoequipmentfabricatedinsideandoutsideofChinaDISTRIBUTION,INTENDEDUSEANDREGULATORYCONSIDERATIONSUnlessotherwiseauthorisedbyShellGSIandSIEPSIOPandSIEP,thedistributionofthisDEPisconfinedtocompaniesformingpartoftheRoyalDutchShellGroupormanagedbyaGroupcompany,andtoContractorsandManufacturersSuppliersnominatedbythem(iethedistributioncodeisF,asdefinedinDEPGenCSPC)ThisDEPisintendedforuseontheCSPCprojectinoilrefineries,chemicalplants,gasplantsand,whereapplicable,inexplorationandproductionfacilitiesandsupplymarketinginstallationsIfnationalandorlocalregulationsexistinwhichsomeoftherequirementsmaybemorestringentthaninthisDEPthecontractorshalldeterminebycarefulscrutinywhichoftherequirementsarethemorestringentandwhichcombinationofrequirementswillbeacceptableasregardssafety,environment,economicandlegalaspectsInallcasesthecontractorshallinformthePrincipalofanydeviationfromtherequirementsofthisDEPwhichisconsideredtobenecessaryinordertocomplywithnationalandorlocalregulationsThePrincipalmaythennegotiatewiththeAuthoritiesconcernedwiththeobjectofobtainingagreementtofollowthisDEPascloselyaspossibleDEFINITIONSGeneraldefinitionsTheContractoristhepartywhichcarriesoutallorpartofthedesign,procurement,construction,commissioningormanagementofaprojectoroperationofafacilityThePrincipalmayundertakeallorpartofthedutiesoftheContractorTheManufacturerSupplierFabricatoristhepartywhichmanufacturesorsuppliesequipmentandservicestoperformthedutiessuppliedbytheContractorThePrincipalisthepartywhichinitiatestheprojectandultimatelypaysforitsdesignandconstructionThePrincipalwillgenerallyspecifythetechnicalrequirementsThePrincipalmayincludeanagentorconsultantauthorisedtoactforandonbehalfofthePrincipalThewordshallindicatesarequirementThewordshouldindicatesarecommendationSpecificdefinitionsHydrogenservicereferstoallprocessconditionswithahydrogenpartialpressuregreaterthanbar(abs)SourservicemeanssourserviceandmoderatehighseveritywetHSservice,allofwhicharedefinedinDEPGenCSPC,AppendixVerytoxicSubstancesaredefinedinDEPGenCSPCCROSSREFERENCESWherecrossreferencestootherpartsofthisDEParemade,thereferencedsectionnumberisshowninbracketsOtherdocumentsreferencedbythisDEParelistedin()DEPCSPCNovemberPagePIPEFABRICATIONGENERALThebasisforthefabricationofpipingwillnormallybea#BillofMaterialsforPiping#,whichincludesisometricdrawings,materiallistsand(wherenecessary)additionalinformationForthecontentoftheBillofMaterials,seeDEPGenCSPCContactbetweenstainlesssteelpartsandzincorzinccontainingparts(eggalvanisedshackles,clampsandrollers)shallbepreventedinordertopreventpossibleliquidmetalembrittlementintheeventofafireIfthereisanydoubt,thestainlesssteelshallbechemicallycleanedbeforeanyfurtherworkiscarriedoutPREPARATIONCuttingandbevellingCuttingandbevellingofpipesmaybedonebyeithermechanicalmeans,flamecutting,plasmacuttingorwatercuttingThefollowingshallapply:Forcarbonsteel,flame(orarc)cutsshallbereasonablysmoothandalloxidesshallberemovedfromthesurfacebygrindingtobrightmetalForlowalloysteel,afterflamecuttingapproximatelymmofmaterialshallberemovedfromthecutsurfacebygrindingForstainlesssteel,flamecuttingshallnotbeusedbutplasmaorwatercuttingmaybeusedThesurfaceshallbegroundtobrightmetalafterplasmacuttingWeldbevelsforbuttweldsofpipesandfittingsshallbeinaccordancewithANSIASMEBShopbevellingoffieldweldsisnotrequiredifamakeuplength(extralengthforfieldcuttingtosize)isprovidedInthesecasesbevelsshallbepreparedaftercuttingtherelevantpipespooltotherequiredlengthPipesforsocketweldjointsshallbecutsquareAssemblyofpipingcomponentsForbuttweldingofallpipingcomponents(egpipeends,fittingsandweldingneckflanges)auniformrootgapshallbeprovidedasspecifiedintherelevantWeldingProcedureSpecificationUnlessotherwisestatedontheisometricdrawings,theboltholesofallflangesshallstraddlethecentrelinesofthepipeendsTheminimumdistancebetweentheedgesoftwopressurecontainingweldsshallbemmortwicethethicknessofthethickerpressurepart,whicheveristhegreaterThisisrequiredalsoforthedistancebetweennonpressureattachmentweldstoapressurecontainingweldLongitudinalweldsintwoadjacentpipesshouldbe掳apart,butinanycaseshallbeseparatedbyatleastmmortwicethewallthicknessofthethickerpipe,whicheveristhegreaterIfthepipecontainsalongitudinalweld,thisweldshallnotbelocatedatthebottomofthepipeafterinstallationitshouldbelocatedatleast掳fromthebottomofthepipeBENDINGGeneralIfeconomicallyattractive,bendingofpipespoolsmaybeconsideredasanalternativetousingweldedelbowsTheapplicationofbendingandtheextentofitsuseshallbeagreedwiththePrincipalatanearlystageofaproject,andinsuchcasesthepipingdesignshallbereviewedfortheappliedbendradiiandadaptedwherenecessaryDEPCSPCNovemberPageBendingradiishallbeindicatedontheisometricdrawingThebendingradius,Rm,shouldbexDo(whereDoistheoutsidediameterofthepipe),butinanycaseshallnotbelessthanxDoIfthepipecontainsalongitudinalweld,thisweldshouldbelocatedintheneutralzoneofthebendIfthepipewillbeinstalledhorizontally,thelongitudinaIweldshallbelocatedonthetopofthepipeIfonespoolisbentinvariousplanes,thelongitudinalweldshallbe掳fromthetopofthepipePipebendingshallbecarriedoutinpipebendingmachinesorpressesusingformersTolerancesforthinning,flatteningandwrinklingarespecifiedin()TheManufacturershallprepareabendingprocedurewhichshallinclude:operatingsequenceformingprocessandmachineryusedproductionparameters,whichshallatleastcover:widthofheatedbandheatingratebendingtemperaturerangecoolingrate,coolingmethodandcoolantflowrateproductionbendingspeedmethodoftemperaturemeasurementandrecordingbenddimensionsnondestructiveexaminationprocedurespostformingfabricationprocedurequalificationproductioncontrolprocedureThreetypesofbendingprocessesareidentified:鈥�Coldbending,whichisdefinedasbendingatatemperaturewellbelowthefinalheattreatmenttemperatureofbothferriticandausteniticmaterialsColdbendingshallnotbeusedforpipinginsodiumhydroxideservice鈥�Hotbending,whichisdefinedasbendingataspecifiedelevatedtemperatureHeatshallbeapplieduniformlybeforebendingLocalheatingbymanuallyoperatedgastorchesshallnotbeappliedWatercoolingatanytimeduringbendingshallnotbeapplied鈥�HighFrequencyInductionBending(HFIB),whichisahotbendingprocessusingmachinesinwhichthepipesarepassedthroughaninductioncoilwhere,successively,anarrowbandofpipematerialisrapidlyheatedtotherequiredbendingtemperatureusingthehighfrequencyinductionmethodTheadjacentpipeiskeptcoolbywaterandorairjets,thusprovidingthenecessarysupportfortheheatedareawithouttheneedformandrelsItshallbeensuredthatthebendingtemperatureisuniformoverthecompletecircumferenceofthebendAninductionringwithasquareprofileshouldbeusedAnexampleofaFabricationProcedureQualificationisattachedasAppendixHFIBcanbeeconomicallyattractiveforcarbonandstainlesssteelForlowalloysteelthismethodisgenerallyattractiveonlyforspecialapplications(eglargediameters,largewallthicknesses)whereweldingelbowsarenotreadilyavailableItshouldbenotedthatthelogisticsforHFIBdifferfromotherpipespoolproductionmethodsandgenerallyrequirealargerlaydownstockingareabecausespoolsareindiametermaterialbatchesratherthanasrequiredforinstallationintheplantHeattreatmentshallbeappliedasspecifiedinANSIASMEBandinsections,andbelowBendingofnonferrousmaterialsisoutsidethescopeofthisDEPDEPCSPCNovemberPageCarbonsteels,finegraincarbonsteels,MosteelsandMosteelsColdbendingAftercoldbendingnoadditionalheattreatmentisrequiredifthefollowingrequirementsaremet:hardnessHVRmxDoIftheserequirementsarenotmet,thefollowingheattreatmentshallbecarriedout:anormalisingtreatmentfornormalisedsteelsanaustenisingquench(oil,water)andtempertreatment(QT)forquenchedandtemperedsteelsNOTETheaboveheattreatmentsmaybereplacedbyastressreliefheattreatmentatatemperatureabovethepostweldheattreatmenttemperature)ifitcanbeshownthattherehasbeennodeteriorationofthemechanicalandphysicalproperties(eggraingrowth)HotbendingHFIBIfnormalisedsteelsaresubjectedtohotbendingbetween掳CnoadditionalheattreatmentisrequiredIfnormalisedsteelsaresubjectedtothebendingoutsidethesetemperaturelimitsanadditionalnormalisingtreatmentshallbecarriedoutForHFIBthenormalisingheattreatmentafterbendingneednotbeappliedifthebendtestdefinedinAppendixshowsanormalisedstructurewithagrainsizesmallerthan(asdefinedinASTME)orGB)andahardnessbelowHVForQTmaterials,aquench(oil,water)fromtheaustenisingtemperatureplusatemperheattreatmentshallbecarriedoutinaccordancewiththepipematerialspecificationChromiummolybdenumsteelpipingColdbendingAftercoldbendingnoadditionalheattreatmentisrequiredifthefollowingrequirementsaremet:hardnessHVRmxDoIftheserequirementsarenotmetthefollowingadditionalheattreatmentshallbecarriedout:AstressrelieftreatmentfornormalisedandQTsteelsifitcanbeshownthatforsimilarmaterialnodeteriorationofthemechanicalandphysicalpropertieshastakenplaceIfthiscannotbeshownthenanaustenisingquench(air)andtempertreatmentforbothnormalisedandQTsteelsshallbecarriedoutThetemperingtemperatureshallbeselectedsuchthatthespecifiedmechanicalvaluesaremetHotbendingHFIBIfQTsteelsaresubjectedtohotbendingatatemperatureof掳C,anairquenchfromaustenisingtemperatureandatemperingtreatmentshallbecarriedoutIfnormalisedsteelsaresubjectedtohotbendingatatemperatureof掳C,anormalisingheattreatmentandcoolinginstillairshallbeappliedInallcasesthespecifiedmechanicalvaluesoftheoriginalmaterialspecificationshallbemetHFIBofferriticmaterialswithCrormoreisoutsidethescopeofthisDEPDEPCSPCNovemberPageStainlesssteelpipingColdbendingFornoncorrosiveandgeneralrefineryservice,noadditionalheattreatmentisrequiredifthedeformationislimitedtobelowforausteniticstainlesssteelorbelowforduplexstainlesssteelIfthedeformationexceedsthesevaluesafinalheattreatmentshallbecarriedoutinaccordancewiththeoriginalpipematerialspecificationForallotherservices,solutionannealingfollowedbyarapidwaterquenchshallbecarriedoutHotbendingHFIBForthenonstabilisedtypesofausteniticstainlesssteel(egAISI,AISIorequivalentChinesestandard)hotbendingshallbecarriedoutinthetemperaturerangeof掳C(solutionannealing)followedbyarapidwaterquenchForthestabilisedtypesofausteniticstainlesssteel(egAISITi,AISI,AISIorequivalentChinesestandard)hotbendingshallbecarriedoutatthehomogenisingtemperature(掳C)followedbycoolinginstillairAlternatively,aheattreatmentat掳C,thenloweringthetemperatureto掳C,followedbycoolinginstillair,maybeappliedForduplexstainlesssteel,hotbendingshallbecarriedoutinthetemperaturerangeof掳C(solutionannealing)followedbyarapidwaterquenchForHFIBofausteniticandduplexstainlesssteelthecompletepipesubjectedtobendingshallbeheattreatedasspecifiedaboveforthevariousgrades,inordertoavoidtheoccurrenceofsensitisedareasInspectionAfterbending,thebentitemsshallbevisuallyinspectedThereshallbenocracksorlinearindicationsForHFIB,theinspectionrequirementsaregiveninAppendixWELDINGInadditiontotheweldingrequirementsofANSIASMEB,thefollowingshallapply:TheGTAWprocessshallbeemployedforpipes,branchfittingsandflangesinsizesDNandsmallerForstainlesssteelpipingwithoutbackweldingoftheinternalside,therootpassshallbecarriedoutbytheGTAWprocesswithaninertgaspurgewhichshallbemaintaineduntilcompletionofthesecondpassWeldconnectionsforweldedvalvesandsteamtrapsshallbeinaccordancewithAppendixFINALCORRECTIONSFinalcorrectionsaremodificationstothedimensionsofafabricatedpipespoolinordertoallowstressfreeinstallationofthisspoolintheplantFortolerancessee()Thefollowingmethodsofcorrectionshallbeused,inorderofpreference:Adjustmentofpipesupport(s)AdjustmentofflangepositionswherefreespaceisavailableintheboltholesLocalnonuniformheatingorcoolingApplicationofforcewithlocalheatingCuttingandreweldingortheintroductionofadditionalfieldweldsorfituppiecesDEPCSPCNovemberPageThefollowingrestrictionsapplytotheheating,coolingandforcingofpipingmadefromcarbonsteel,lowalloysteelorausteniticstainlesssteel:鈥�Deformationsshallnotbegreaterthaninanyarea鈥�ForcarbonsteelwhichdoesnotrequireaPWHT,themaximumtemperatureduringalignmentcorrectionsshallbe掳CTemperatureindicatingcrayonsorcontactthermometersshallbeusedtomeasurethemaximumtemperatureIfusingtemperatureindicatingcrayonsamarginof掳Cshallbetakentoallowform

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