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U.S.ATOMICENERGYCOMMISSIONREGULATORYGUIDIRECTORATEOFREGULATORYSTANDARDSREGULATORYGUIDE1.73QUALIFICATIONTESTSOFELECTRICVALVEOPERATORSINSTALLEDINSIDETHECONTAINMENTOFNUCLEARPOWERPLANTSA.INTRODUCTIONSectionIll,DesignControl.ofAppendixB,QualityAssuranceCriteriaforNuclearPowerPlantsandFuelReprocessingPlants,to10CFRPart50,LicensingofProductionandUtilizationFacilities,requiresthat,whereatestprogramisusedtoverifytheadequacyofaspecificdesignfeature,itincludesuitablequalificationtestingofaprototypeunitunderthemostadversedesignconditions.ThisregulatoryguidedescribesamethodacceptabletotheRegulatorystaffforcomplyingwiththeCommission'sregulationswithregardtoqualificationtestingofClassIelectricvalveoperatorsforservicewithinthecontainmentoflight-water-cooledandgas-coolednuclearpowerplantstoassurethatthevalveoperatordesignwillmeetitsperformancerequirements.TheAdvisoryCommitteeonReactorSafeguardshasbeenconsultedconcerningthisguideandhasconcurredintheregulatoryposition.B.DISCUSSIONIEEEStd382-1972,IEEETrial-UseGuideforTypeTestnofClassIElectricValveOperatorsforNuclearPowerGeneratingStations,datedApril10,1973,2(alsodesignatedANSIN41.6)waspreparedbySubcommittee2,EquipmentQualification,oftheIEEEJointCommitteeonNuclearPowerStandardsoftheInstituteofElectricalandElectronicsEngineers,Inc.(IEEE)andsubsequentlywasapprovedbytheIEEEStandardsCommitteeonSeptember20,1972.ThestandarddelineatesspecificproceduresforthequalificationtestingofClassIelectricvalveoperatorsto'Asusedinthisregulatoryguide,theteamqualificationtestandthetermtypetestasdefinedinIEEEStd382-1972aresynonymous.'ThisregulatoryguideappliesonlytotheversionofIEEEStd382-1972datedApril10.1973.demonstratedesignadequacyforservicewithinthecontainmentofanuclearpowerplant.Theprocedureprovidesfortestingunderconditionssimulating(I)thosethatwouldbeimposedduringandafteradesignbasisloss-of-coolantaccidentand(2)thoseoccurringduringnormaloperatingconditions.Thestandardspecifiesproceduresforaccomplishingacceleratedagingofcomponentstosimulatetheeffectsoflong-termoperationundernormaloperatingconditions.Theseeffectsincludeexposuretonuclearradiation,temperature,pressure,humidity,andchemicalsprays.Thestandardalsoincludesproceduresforaccomplishingacceleratedagingduetowearunderratedloadconditionsfortheestimatednumberofoperatingcyclesovera40-yearperiodorfor500operatingcycles,whicheverislarger.C.REGULATORYPOSITIONTheproceduresspecifiedbyIEEEStd382-1972.IEEETrial-UseGuideforTypeTestofClassIElectricValveOperatorsforNuclearPowerGeneratingStations,3datedApril10,1973,forconductingqualificationtestsofelectricvalveoperatorsforserviceinsidethecontainmentvesselofwater-cooledandgas-coolednuclearpowerplantsaregenerallyacceptableandprovideanadequatebasisforcomplyingwiththequalificationtestingrequirementsofSectionIIIofAppendixBto10CFRPart50toverifyadequacyofdesignforserviceunderdesignbasiseventconditions.subjecttothefollowing:1.Totheextentpracticable,auxiliaryequipment(e.g.,limitswitches)thatisnotintegralwiththevalve3ClpiesmaybeobtainedfromtheInstituteofElectricalandElectronicsEngineers,UnitedEngineeringCenter,345East47thStreet,NewYork,N.Y.10017.USAECREGULATORYGUIDESCWpmofpublishedguidesmaybeobtainedbyrequmtindictingthedivisionsdesledwotheUS.AtomicEnrlgyCommission,Washington.D.C.20545,RegulatoryGuidesamissuedtodcwlibaendmakemailabletothepublicAttention:DirectorofRegulatoryStandards.CommentsandsuggestionsforgtuthodsaceptabletotheAECRegulatorystaffofImplementingspecificpartsofImprovementsIntheseguidesamencouragedendshouldbesenttotheSecretarytheCommlssion'sregulations,todelinestetechniquesusedbythestaffinoftheCommission.US.AtomicEnergyCommission.Washington.D.C.21645.emvluatingipedlicproblemsorpostulatedeccidents,ortoprovideguidanctoAttention:Chief,PublicProceedlngsStaff.epplimntsRegAstoryGuidesaenotsubstltutesforregulationsandcomnpliancewitthemIsnotrequired.MethodsendsolutionsdifferentfromthoseatoutInTheuidesamIssuedinthefollowingtenbroaddivisions:toguideswillbeacceptableIftheyProvideabstisforthefindingsrequisitetotheIssuaneorcontinuanceofapermitorlicensebytheCommission.1.PowerReactois6.Products2.ResearchendTesReactors7.Transportation3.FuelsendMaterialsFacilitiesI.occupationalHealthPublisheduwillberevisedperiodically.aseppropriate,toaccommoddte4.IEnvlronmentalandSiting9.AntitrustRevieweomstntendtorfslectnewInformstionorexperience.5LMaterielsandPlantProtection10.Generalanuary1974DEoperatormechanismbutwillbepartoftheinstalledvalveoperatorassemblyshouldbetestedinaccordancewiththesubjectstandard.2.ThetestsequencedescribedinSection4.5.2ofthestandardshouldbeusedunlesstheanticipatedactualserviceoperatingsequenceforthevalveoperatorisexpectedtocreateamoresevereoperatingconditionthandescribedinSection4.5.2.Insuchcase,theactualservicesequenceshouldbeusedinthetest.3.Toassurethatthevalveoperatoristestedunderanenvironmentofsufficientseverity,themagnitudeoftheenvironmentalconditions(e.g.,temperature,pressure,radiation,humidity)that,simulatetheconditionstowhichthevalveoperatorisexpectedtobeexposedduringandfollowingadesignbasi's.accident