RG1.037 流体系统和相关部件清洗的质量保证要求 2007

TheU.S.NuclearRegulatoryCommission(NRC)issuesregulatoryguidestodescribeandmakeavailabletothepublicmethodsthattheNRCstaffconsidersacceptableforuseinimplementingspecificpartsoftheagency’sregulations,techniquesthatthestaffusesinevaluatingspecificproblemsorpostulatedaccidents,anddatathatthestaffneedinreviewingapplicationsforpermitsandlicenses.Regulatoryguidesarenotsubstitutesforregulations,andcompliancewiththemisnotrequired.MethodsandsolutionsthatdifferfromthosesetforthinregulatoryguideswillbedeemedacceptableiftheyprovideabasisforthefindingsrequiredfortheissuanceorcontinuanceofapermitorlicensebytheCommission.Thisguidewasissuedafterconsiderationofcommentsreceivedfromthepublic.TheNRCstaffencouragesandwelcomescommentsandsuggestionsinconnectionwithimprovementstopublishedregulatoryguides,aswellasitemsforinclusioninregulatoryguidesthatarecurrentlybeingdeveloped.TheNRCstaffwillreviseexistingguides,asappropriate,toaccommodatecommentsandtoreflectnewinformationorexperience.WrittencommentsmaybesubmittedtotheRulesandDirectivesBranch,OfficeofAdministration,U.S.NuclearRegulatoryCommission,Washington,DC20555-0001.Regulatoryguidesareissuedin10broaddivisions:1,PowerReactors;2,ResearchandTestReactors;3,FuelsandMaterialsFacilities;4,EnvironmentalandSiting;5,MaterialsandPlantProtection;6,Products;7,Transportation;8,OccupationalHealth;9,AntitrustandFinancialReview;and10,General.Requestsforsinglecopiesofdraftoractiveregulatoryguides(whichmaybereproduced)shouldbemadetotheU.S.NuclearRegulatoryCommission,Washington,DC20555,Attention:ReproductionandDistributionServicesSection,orbyfaxto(301)415-2289;[e-mail]ideandotherrecentlyissuedguidesareavailablethroughtheNRC’spublicWebsiteundertheRegulatoryGuidesdocumentcollectionoftheNRC’sElectronicReadingRoomat’sAgencywideDocumentsAccessandManagementSystem(ADAMS)at(DraftwasissuedasDG-1165,datedOctober2006)QUALITYASSURANCEREQUIREMENTSFORCLEANINGOFFLUIDSYSTEMSANDASSOCIATEDCOMPONENTSOFWATER-COOLEDNUCLEARPOWERPLANTSA.INTRODUCTIONNuclearpowerplantsandfuelreprocessingplantsincludestructures,systems,andcomponents(SSCs)thatpreventormitigatetheconsequencesofpostulatedaccidents.InTitle10,Part50,oftheCodeofFederalRegulations(10CFRPart50),“DomesticLicensingofProductionandUtilizationFacilities,”AppendixB,“QualityAssuranceCriteriaforNuclearPowerPlantsandFuelReprocessingPlants,”establishesqualityassurance(QA)requirementsforthedesign,construction,andoperationofsuchSSCs.ThepertinentrequirementsofAppendixBto10CFRPart50applytoallactivitiesaffectingthesafety-relatedfunctionsoftheSSCs.Theseactivitiesincludedesigning,purchasing,fabricating,handling,shipping,storing,cleaning,erecting,installing,inspecting,testing,operating,maintaining,repairing,refueling,andmodifying.AppendixBrequires,inpart,thatmeasuresmustbeestablishedtocontrolthecleaningofmaterialandequipmentinaccordancewithworkandinspectioninstructionstopreventdamageordeterioration.ThisregulatoryguidedescribesmethodsthatthestaffoftheU.S.NuclearRegulatoryCommission(NRC)considersacceptableforuseincomplyingwiththeCommission’sQA-relatedregulationsregardingthecleaningandcleannesscontroloffluidsystemsandassociatedcomponentsfornuclearpowerplantsduringmanufacturing,construction,repairs,andmodifications.Thisregulatoryguidewillsupportthereviewofapplicationsthattheagencyexpectstoreceivefornewnuclearreactorconstructionpermits,standardplantdesigncertifications,earlysitepermits,andcombinedlicensesthroughtheconstructionphase.CopiesofANSIN45.2.1-1973maybeobtainedfromtheAmericanNationalStandardsInstitute,1819LStreet,NW,16Floor,Washington,DC20036;telephone[phone];fax[phone];th(800)843-2763;=CS&TaxonomyItemID=3021.Rev.1ofRG1.37,Page2Thisregulatoryguidecontainsinformationcollections,coveredbytherequirementsof10CFRPart50and10CFRPart52,“EarlySitePermits;StandardDesignCertifications;andCombinedLicensesforNuclearPowerPlants,”thattheOfficeofManagementandBudget(OMB)approvedunderOMBcontrolnumbers3150-0011and3150-0151,respectively.TheNRCmayneitherconductnorsponsor,andapersonisnotrequiredtorespondto,aninformationcollectionrequestorrequirementunlesstherequestingdocumentdisplaysacurrentlyvalidOMBcontrolnumber.B.DISCUSSIONInMarch1973,theAtomicEnergyCommission(AEC)issuedRegulatoryGuide(RG)1.37,whichgenerallyendorsedtheprovisionsandrecommendationsinAmericanNationalStandardsInstitute(ANSI)N45.2.1-1973,“CleaningofFluidSystemsandAssociatedComponentsDuringConstructionPhaseofNuclearPowerPlants.”ThisANSIstandardcontainedQAcriteriaforonsitecleaning1ofmaterialsandcomponents,cleannesscontrol,andpreopera