RG1.170 核电厂安全系统中使用的数字计算机软件的软件试验文档 1997

U.S.NUCLEARREGULATORYCOMMISSIONREGULATORYSeptember1997GUIDEOFFICEOFNUCLEARREGULATORYRESEARCHREGULATORYGUIDE1.170(DraftwasDG-1056)SOFTWARETESTDOCUMENTATIONFORDIGITALCOMPUTERSOFTWAREUSEDINSAFETYSYSTEMSOFNUCLEARPOWERPLANTSA.INTRODUCTIONIn10CFRPart50,DomesticLicensingofProductionandUtilizationFacilities,paragraph55a(aXl)requires,inpart,thatsystemsandcomponentsbedesigned,tested,andinspectedtoqualitystandardscommensuratewiththesafetyfunctiontobeperformed.1Criterion1,QualityStandardsandRecords,ofAppendixA,GeneralDesignCriteriaforNuclearPowerPlants,to10CFRPart50requires,inpart,thataqualityassuranceprogrambeestablishedandimplementedinordertoprovideadequateassurancethatsys/'temsandcomponentsimportanttosafetywillsatisfactorilyperformtheirsafetyfunctions.1AppendixB,QualityAssuranceCriteriaforNuclearPowerPlantsandFuelReprocessingPlants,to10CFRPart50describescriteriathatmustbemetbyaqualityassuranceprogramforsystemsandcomponentsthatpreventormitigatetheconsequencesofpostulatedaccidents.Inparticular,besidesthesystemsandcomponentsthatdirectlypreventormitigatetheconsequencesofpostulatedaccidents,thecriteriaofAppendixBalsoapplytoallactivitiesaffectingthesafety-relatedfunctionsofsuchsystemsandcomponents,suchasdesigning,purchasing,installing,testing,operating,maintaining,orIlnthisregulatoryguide,manyoftheregulationshavebeenparaphrased;see10CFRPart50forthefulltext.modifying.Aspecificrequirementiscontainedin10CFR50.55a(h),whichrequiresthatreactorprotectionsystemssatisfythecriteriaofIEEEStd279-1971,CriteriaforProtectionSystemsforNuclearPowerGeneratingStations.2Paragraph4.3ofIEEEStd2793statesthatqualityofcomponentsistobeachievedthroughthespecificationofrequirementsknowntopromotehighquality,suchasrequirementsfordesign,inspection,andtest.ManyofthecriteriainAppendixBto10CFRPart50containrequirementscloselyrelatedtotheactivitiesofverificationandtesting.1CriterionI,Organization,requirestheestablishmentandexecutionofaqualityassuranceprogram.CriterionII,QualityAssuranceProgram,requiresthequalityassuranceprogramtotakeintoaccounttheneedforverificationofqualitybyinspectionsandtests.CriterionIII,DesignControl,requires,inpart,thatmeasuresbeestablishedforverifyingandcheckingtheadequacyofdesign,suchasbytheperformanceofasuitabletestingprogram,and2RevisionIofRegulatoryGuide1.153,CriteriaforSafetySystems,endorsesIEEEStd603-1991,CriteriaforSafetySystemsforNuclearPowerGeneratingStations,asamethodacceptabletotheNRCstaffforsatisfyingtheNRC'sregulationswithrespecttothedesign,reliability,qualification,andtestabilityofthepower,instrumentation,andcontrolportionsofthesafetysystemsofnuclearpowerplants.31EEEpublicationsmaybeobtainedfromtheIEEEServiceCenter,445HoesLane,Piscataway,NJ08854.USNRCREGULATORYGUIDESTheguidesw'eissuedInftfollowingtonbroaddisions:RegulatoryGuidesareissuedtodescribemndmeleavailabletothepublicsuchWormslInasmethodsacceptabletolheNRCstaffforirplemerolrlgspedficpartsofteCom-1.Powereactors6.Productsmission'sreguietlons,techniquesusedbytstaffinevaluangspecificproblemsor-2.ResearchanTeTReactors7.Transportadoniulatedascderns,aiddataneededbyftiNRCstaffInItsreviewofapplilcadIonsforper-&.FuelsandMaterialsFacilties8.OcctionalHealthmitsmidScenses.Regulatoryguidesrenotsubstitutesforregulations,emdcon-p--nce4.ErironmentalandSiting0.AnititrtnaridFirundReviewwithtienisnotrequired.Methodsaidsoluhlorsdliferentfromthoseoetoutintheguides&MaterialsmidPlantProtection10.Gera!witbeacceptableIheyprovideabasisforftefiningsrequisitetoteissuanceorconInecof8per.mitorSlcenesbytheCommlisson.SkiglecopiesofregulatoryguidesmaybeobtainedkeeofchargebywritingtePrinrting,ThisguidewasIssuedafterconsideratIonofcommentsreceivedfromthepublic.Corn-GraphicsaidDistribullonBranch,OfficeofAdministnrtion,U.S.NuclearRegulatoryCommerdtarclsuggestlonsforimprovementsIntheseguidesweoncouragedstalltimes,andmision,Wasington,DC2D555-0001;orbyfatxa(301)415-5272.Ideawiltberevised,asappropriate,toaccommodatecommentsmidtorefectnewinorvflbrv.AsedaaappaIssuedguidesmayasbepurchasedfromtoNationalTechnicalInformtilonServiceonWittencommentsmaybeasubmittedtotieRulesReviewmidDirectives8ranch.DFIPS,astandlngorderbasis.DetailsonfilservicemaybeobtainedbywrrdngNTIS,5285PortADM,US.NudearReguatoryCommisslon,Wasington,DC2055-0001.RoyalRoad,Springfield,VA2161.thatdesigncontrolmeasuresbeappliedtoitemssuchasthedelineationofacceptancecriteriaforinspectionsandtests.CriterionV,Instructions,Procedures,andDrawings,requiresactivitiesaffectingqualitytobeprescribedbydocumentedinstructions,procedures,ordrawingsofatypeappropriatetothecircumstancesandthattheseactivitiesbeaccomplishedinaccordancewiththeseinstructions,procedures,ordrawings.CriterionVfurtherrequiresthatinstructions,procedures,anddrawingsincludeappropriatequantitativeorqualitativeacceptancecriteriafordeterminingthatimportantactivitieshavebeensatisfactorilyaccomplished.CriterionXI,TestControl,requiresestablishmentofatestprogramtoensurethatalltestingrequiredtodemonstratethatstructures,systems,andcomponentswillperformsatisfactorilyinserviceisidentifiedandperformed