RG1.137 备用柴油发电机的燃料油系统1979

U.S.NUCLEARREGULATORYCOMMISSIONRevision1October1979REGULATORYGUIDEOFFICEOFSTANDARDSDEVELOPMENTREGULATORYGUIDE1.137FUEL-OILSYSTEMSFORSTANDBYDIESELGENERATORSA.INTRODUCTIONGeneralDesignCriterion17,ElectricPowerSystems,ofAppendixA,GeneralDesignCriteriaforNuclearPowerPlants,to10CFRPart50,DomesticLicensingofProductionandUtilizationFacilities,requiresthatanonsiteelectricpowersystemandanoffsiteelectricpowersystembeprovidedtopermitfunctioningofstructures,systems,andcomponentsimportanttosafety.Inaddition,Criterion17containsrequirementsconcerningsystemcapacity,capability,independence,redundancy,availability,testability,andreliability.AppendixB,QualityAssuranceCriteriaforNuclearPowerPlantsandFuelReprocessingPlants,to10CFRPart50establishesoverallqualityassurancerequirementsforthedesign,construction,andoperationofstructures,systems,andcomponentsimportanttosafety.ThisregulatoryguidedescribesamethodacceptabletotheNRCstaffforcomplyingwiththeCommission'sregulationsregardingfuel*oilsystemsforstandbydieselgeneratorsandassuranceofadequatefuel-oilquality.TheAdvisoryCommitteeonReactorSafeguardshasbeenconsultedconcerningthisguideandhasconcurredintheregulatoryposition.B.DISCUSSIONWorkingGroupANS-59.51ofSubcommitteeANS-50,NuclearPowerPlantSystemsEngineering,oftheAmericanNationalStandardsCommitteeNI8,NuclearDesignCriteria,haspreparedastandardthatprovidesdesignrequirementsforthefuel-oilsystemsforstandbydieselgenerators.ThisstandardwasapprovedbytheAmericanNationalStandardsCommitteeN18anditsSecretariat,anditwassubsequentlyapprovedanddesignatedANSIN195-1976bytheAmericanNationalStandardsInstituteonApril12,1976.Forproperoperationofthestandbydieselgenerators,itisnecessarytoensuretheproperqualityofthefueloil.AppendixBtoANSIN195-1976addressestherecommendedfueloilpractices.Althoughnotamandatorypartofthestandard,thestaffbelievesAppendixBcanserveasanacceptablebasisforaprogramtomaintainthequalityoffueloil,assupplementedbyregulatoryposition2ofthisguide.Linesindicatesubstantivechangesfrompreviousissue.USNRCREGULATORYGUIDESRegulatoryGuidesareissuedtodescribeandmakeavailabletothepublicmethodsacceptabletotheNRCstaffofImplementingspecificpartsoftheCommission'sregulations,todelineatetechniquesusedbythestaffInevaluatingspecificproblemsorpostulatedaccidents,ortoprovideguidancetoapplicants.RegulatoryGuidesarenotsubstitutesforregulations,andcompliancewiththemIsnotrequired.MethodsandsolutionsdifferentfromthosesetoutintheguideswillbeacceptableIftheyprovideabasisforthefindingsrequisitetotheissuanceorcontinuanceofapermitorlicensebytheCommission.Commentsandsuggestionsforimprovementsintheseguidesareencouragedatalltimes,andguideswillberevised,asappropriate,toaccommodatecommentsandtoreflectnewInformationorexperience.Thisguidewasrevisedasaresultofsubstantivecommentsreceivedfromthepublicandadditionalstaffreview.C.REGULATORYPOSITION1.Therequirementsforthedesignoffuel-oilsystemsfordieselgeneratorsthatprovidestandbyelectricalpowerforanuclearpowerplantthatareincludedinANSIN1951976,FuelOilSystemsforStandbyDiesel-Generators,1provideamethodacceptabletotileNRCstaffforcomplyingwiththepertinentrequirementsofGeneralDesignCriterion17ofAppendixAto10CFRPart50,subjecttothefollowing:a.ThroughoutANSIN195-1976,otherdocumentsrequiredtobeincludedaspartofthestandardareeitheridentifiedatthepointofreferenceordescribedinSection7.4,ApplicableCodes,Standards,andRegulations,orinSection11,References,ofthestandard.ThespecificacceptabilityoftheselisteddocumentshasbeenorwillbeaddressedseparatelyinotherregulatoryguidesorinCommissionregulations,whereappropriate.b.Section1,Scope,ofANSIN195-1976statesthatthestandardprovidesthedesignrequirementsforthefuel-oilsystemforstandbydieselgeneratorsandthatitsetsforthotherspecificdesignrequirementssuchassafetyclass,materials,physicalarrangement,andapplicablecodesandregulations.Thestandarddoesnotspecificallyaddressqualityassurance,andinthisregardANSIN195-1976shouldbeusedinconjunctionwithRegulatoryGuide1.28,QualityAssuranceProgramRequirements(DesignandConstruction),whichendorsesANSIN45.2-1977,QualityAssuranceProgramRequirementsforNuclearPowerPlants,forthedesign,construction,andmaintenanceofthefuel-oilsystem.c.Section5.4,CalculationofFuelOilStorageRequirements,ofthestandardsetsforthtwomethodsforthecalculationoffuel-oilstoragerequirements.Thesetwomethodsare(1)calculationsbasedontheassumptionthatthedieselgeneratoroperatescontinuouslyfor7daysatitsratedcapacity,and(2)calculationsbasedonthetime-dependent1CopiesmaybeobtainedfromtheAmericanNuclearSociety,555NorthKensingtonAvenue,LaGrangePark,Illinois60525.CommentsshouldbesenttotheSecretaryoftheCommission,U.S.NuclearRegialatoryCommissionWashington,D.C.20555,Attention:DocketingandServiceBranch.Theguidesareissuedinthefollowingtenbroaddivisions:1.PowerReactors6.Products2.ResearchandTestReactors7.Transportation3.FuelsandMaterialsFacilities8.OccupationalHealth4.EnvironmentalandSiting9.AntitrustandFinancialReview5.MaterialsandPlantProtection10.GeneralCopiesofissuedguidesmaybepurchasedatthecurrentGovernmentPrintingOfficeprice.Asu