ML17228A836

Rev 1 to JNS-PSL-204, Second Ten-Yr ISI Interval IST Program for Pumps & Valves,St Lucie Nuclear Power Plant Unit 2.

ML17228A836
Person / Time
Site:	Saint Lucie
Issue date:	08/03/1994
From:	FLORIDA POWER & LIGHT CO.
To:
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ML17228A835	List: ML17228A834 ML17228A836
References
JNS-PSL-204, JNS-PSL-204-R01, JNS-PSL-204-R1, NUDOCS 9408290298
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REVISION108/04/94FLORIDAPOWERandLIGHTCOMPANYNUCLEARENERGYSERVICES700UniverseBoulevardJunoBeach,Florida33408SECONDTEN-YEARINSERVICEINSPECTIONINTERVALINSERVICETESTINGPROGRAMFORPUMPSANDVALVESST.LUCIENUCLEARPOWERPLANTUNITNO.2DATEOFCOMMERCIALOPERATION:AUGUST8I1983FLORIDAPOWER&LIGHTP.O.BOX128FT.PIERCE,FL.34954NRCDOCKETNUMBER:DOCUMENTNUMBER:ST.LUCIEPLANTREVIEWSANDAPPROVALS:PREPAREDBY:PSLANTISTENGINEER(S)APPROVEDBY:SLEST6CODESUPERVISORDATE:~94082'70298940822PDRADOCK05000389PDR REVISION108/04/94TableofContentsTableofContentsRecordofRevisions1.01.11.2IntroductionISTProgramTestingRequirementGuidelinesISTProgramImplementation2.0ApplicableDocuments3.03.13.23.33.43.54.04.14.24.34,44.54.6InserviceTestingProgramForPumpsCodeComplianceAllowableRangesofTestQuantitiesTestingIntervalsPumpProgramTableReliefRequestsforPumpTestingInserviceTestingProgramForValvesCodeComplianceTestingIntervalsStrokeTimeAcceptanceCriteriaCheckValveTestingValveProgramTableReliefRequestsForValveTesting10101010101010ABCDEFPumpProgramTablesPumpProgramRequestsForReliefValveProgramTablesValveProgramRequests,ForReliefColdShutdownJustificationsRefuelingOutageJustifications REVISION108/04/94Second10YEARSUBMITTALRECORDOFREVISIONSREVISIONHLH~ZDESCRIPTIONOFREVISIONDATEEKIS122DATEQFMXZSecond10YearSubmittalProgramUpdate07/16/9305/02/9408/04/94 REVISION108/04/94INSERVICETESTING(IST)PROGRAMPLANST.LUCIEUNIT

11.0INTRODUCTION

Revision1oftheSt.LucieUnit2ASMEInserviceInspection(IST)Programwillbeineffectthroughtheendofthesecond120-month(10-year)intervalunlessrevisedandreissuedforreasonsotherthantheroutineupdaterequiredatthestartofthethirdintervalper10CFR50.55a(f).Thesecondinspectionintervalisdefinedasfollows:August8,1993August7,2003ThisdocumentoutlinestheISTProgramforSt.LuciePlant,Unit2,basedontherequirementsoftheASMEBoilerandPressureVesselCode(theCode),SectionXI,1986Edition.Referencesinthisdocumentto"IWP"or"IWV"correspondtoSubsectionsIWPandIWV,respectively,oftheASMESectionXI,1986Edition,unlessotherwisenoted.TheISTprogramhasbeenupdatedtoreplacetherequirementsofASME/ANSIOM-1981,Part1withASME/ANSIOM-1987,Part1,"RequirementsforInservicePerformanceTestingofNuclearPowerPlantPressureReliefDevices".NRCSafetyEvaluationsdatedAugust23,1993,andMay2,1994determinedcertainreliefrequestswerenotrequiredpursuantto10CFR50.55a(f)(4)(iv)whereitwasdeterminedthattheproposedalternativeisinaccordancewiththerequirementsofthe1989EditionofSectionXI.The1989editionprovidesthattherulesforISTofpumpsandvalvesshallmeettherequirementssetforthinASME/ANSIOMa-1988,Part6,"InserviceTestingofPumpsinLight-WaterReactorPowerPlants"andASME/ANSIOMa-1988,Part10,"InserviceTestingofValvesinLight-WaterReactorPowerPlants".ApprovalwasgrantedtoconductinservicetestsinaccordancewithOM-6andOM-10,orportionsthereof,providedallrelatedrequirementsaremet.Accordingly,theISTProgramfortheSt.LuciePlantisrevisedbythefollowing:1.Measurementofbearingtemperaturesasrequiredby'EIWP-3300and'KIWP-4310arenotrequiredbyASME/ANSIOMa-1988,Part6,forinservicetestingofpumps.Therefore,themeasurementofbearingtemperaturesisnotarequirementoftheISTProgram.2.ThevalveexercisingrequirementsofASME/ANSIOMa-1988,Part10,94.2.1.2and4.3.2.2willbefollowedasalternativesto'3IWV-3412(a)andIWV-3522notincludingIWV-3522(a)and(b).

REVISION108/04/943.TheanalysisofleakagerateandcorrectiveactionrequirementsofASME/ANSIOMa-1988,Part10,94.2.2.3(e)and(f)willbefollowedasalternativesto'J[IWV-3426andIWV-3427.TheinservicetestingrequirementsidentifiedinthisPlanwerepreparedtoverifytheoperationalreadinessofISIClass1,2,and3pumpsandvalveswhichhaveaspecificfunctioninmitigatingtheconsequencesofanaccidentorinbringingthereactortoasafeshutdown.Inthisregard,thegeneralrequirementsofParagraphsIWP-1100andIWV-1100formthefollowingbasicscopedocumentasitappliestoISIClass1,2,and3.Specificallycomponentstobeincludedare:Centrifugalandpositivedisplacementpumpsthatarerequiredtoperformaspecificfunctioninshuttingdownthereactororinmitigatingtheconsequencesofan=accidentandthatareprovidedwithanemergencypowersource,andValves(andtheiractuatingandpositionindicatingsystems)whicharerequiredtoperformaspecificfunctioninshuttingdownthereactortothecoldshutdownconditionorinmitigatingtheconsequencesofanaccident.ThegeneralCoderequirementswereappliedtoSt.LucieUnit2usingasystematicapproachbyfirstreviewingthefunctionofeachoftheplantsystemsastheyrelatetoalimitednumberofboundingaccidentscenarios'hisrevieweliminatedsystems(andassociatedcomponents)thatclearlydonotfitthebasicCodedefinitionsincludingthatofISIboundaryclassificationsNext,aseriesofrulesorguidelinesweredevelopedthatestablishedthecriteriatobeusedduringthereviewoftheremainingsystemsandcomponents.Theserulesestablishthepoliciesandassumptionsthatwereappliedtotheforegoinganalysistoensureconsistency'achoftheseareoutlinedbelow.Fromthispoint,inaseriesofsteps,eachoftheindividualcomponentsineachoftheremainingsignificantsafetysystems(andsupportingsystems)wereevaluatedwithrespecttothefunctionofeachcomponentandtheneedforitsoperabilityasitrelatestothescopeofSectionXI.Thesestepsincluded:1.Areviewofflowdiagramsofeachsystemandidentificationofanycomponents(pumpsorvalves)that"could"potentiallybeincludedintheISTProgram REVISION108/04/94scope.Basedonthereviewer'sexperience,valvesusedformaintenanceisolation,vents,drains,etc.wereexcluded.Typically,allpumps,power-operatedvalves,checkvalves,andsafetyvalvesremainedinthepopulationdesignatedforfurtherevaluation.2.Eachsystemwasbrokendownbycomponentand,basedongeneralsystemoperationalrequirements,anarrativedescriptionofeachcomponent'ssafetyfunction(s)duringtheproposedscenarioswasdrafted.3.Sequentially,plantdocumentsthatrefertoordiscusssafety-relatedcomponentorsystemfunctionswerereviewedindetailandinformationfromthesedocumentswascomparedtothedraftsdevelopedintheabovestep2.Whereappropriate,correctionsandreferenceswereappliedtotheindividualnarratives.Documentsreviewedincludedthefollowing:a.b.C.d.e.f.g.h.UpdatedFinalSafetyAnalysisReportTechnicalSpecificationsPlantSystemDescriptions(Training)DocumentsSpecialanalysesCommitmentcorrespondencePlantOperatingProceduresEmergencyOperatingProceduresAppendixJLeakrateTestProgram4.Basedonthefinalizedcomponentsafetyfunctionevaluationderivedfromthedocumentreviewandthecorrectednarratives,theISTProgramtestingrequirementswerethenestablishedbyapplyingtheguidelineslistedinSection1.1toeachone.5.Thefunctionaldescriptionofthesystemcomponentsweresubjectedtoacomprehensivereviewbyknowledgeableplantpersonneltoconfirmtheaccuracyonthedocument.

REVISION108/04/94ISTPROGRAMTESTINGREQUIREMENTGUIDELINESThefollowingguidelinesaresetforthforevaluationofsystemcomponents(pumpsandvalves)withrespecttotheirinclusionintheSt.LucieUnit2ISTProgramandtowhatextenttestingwillbeperformed.Wheremultiplecomponentsarecapableofperformingthesameequivalentandredundantspecifiedfunction(eg.multiplevalvesclosinginseries)andwherethecomponentsarenotsuppliedbyalternateandredundantpowersupplies,onlyoneneedbeincludedintheandnotsimplyhavethecapabilityofperformance.Thisexemptiononlyapplieswherelicensingdocumentstakecreditforthedesignedredundancy.Componentsperforminga,redundantfunctionshallbeincludedinthetestingprogramif,intheprocessofanalysisorlicensingjustification,theyarereliedupontobeoperable.TheSt.LucieUnit2FUSARandrelateddesignbasisdocumentsshallbetheprimaryreferencesfordeterminingwhichcomponentsarerequiredtoperformspecifiedfunctionsrelatedtothespectrumofpredicatedaccidents.Althoughseveralotherplantsourcedocuments(Tech.Specs.andEOP's)identifyvariouscomponentsthatmaybeimportanttoplantsafetyoraretobeoperatedinconjunctionwithrecoveryfromanaccident,unlessspecificcreditistakenintheplantsafetyanalysis(orisimpliedintheanalysis)forapumporvalve,thecomponentneednotbeincludedintheISTprogram.TheexceptionstothisarethosecaseswheretheNRCimposestestrequirementsattheirdiscretion.Valvesinstalledprimarilyforthepurposeofprovidingconvenientoperationalflexibility(eg.systemcross-connects)thatarenotrequiredtooperate,assumingthatthedesignatedfirst-linesystemsandcomponentsoperatesatisfactorily,neednotbeincludedintheISTProgram.Thisdoesnotexcludeactivevalvesthatcouldbecalleduponasaresultofoptionalsystemlineupsexistingpriortotheinitiationofanaccident,ValvesthatareactuatedasaresultofasafetysystemautomaticresponseshallbeincludedintheISTProgramtotheextentthatthetestingshallverifyvalveoperationrequiredasaresultofthesafetysysteminput.ThisappliesonlyifvalvemovementisrequiredtosupportthosefunctionsrequiredasspecifiedbytheCode.Thisrequirementextendsonlytotestingdefined REVISION108/04/94bytheCodeandisnotintendedtoimplytheneedforverifyingavalve'sresponsetoautomaticlogicsystemoutput.Valveswhosesolefunctionistoprovidesystemorcomponentredundancyrelatedtofailureofpassivecomponentsneednotbeincludedifasetofalloftheactivecomponents(pumpsandvalves)neededtofulfillthespecifiedsystem(train)functionaretesteddoubleorunrelatedsimultaneousfailuresneednotbeassumed.Insomecaseswhereprotectionofcriticalsystemsfrompassivefailuresisacommitment,thecomponentsareincludedinthetestingprogram.Systemsafety/reliefvalvesshallbeincludedwherethefunctionofthevalveistoprovideoverpressureprotection.AllvalvesincludedintheSt.LucieUnit2leakratetestingprogramcomplyingwithlOCFR50,AppendixJshallbeincludedintheISTProgramasCategoryAvalves.Allvalvesdesignatedashigh-lowpressureinterfacevalves(pressureisolationvalves)shallbeincludedintheISTProgramasCategoryAorA/Cvalves.AnyactiveCategoryAvalveshallbedesignatedfortesting(exercising)tothecloseddirectionsWhenavalve'snormalpositionduringoperationisitspositionrequiredtoperformitsdesignatedsafetyfunctionandvalvemovementmayberequiredduetoplantevolutionsorpossiblerepositioningduringaccidentresponseorrecoveryoperations,thenperiodicexercisingpertheCodeisrequired(i'hevalvecannotbeconsideredpassive).Whereanair-operatedvalveisprovidedwithasimpleair-pilotvalve,thepilotvalveneednotbespecificallyincludedintheISTProgramprovidedthatthetestingperformedonthemainvalveverifiestheproperoperationofthepilotvalve.ControlvalvesarespecificallyexcludedfromtestingperIWV-1200(a);however,ifacontrolvalvemustchangepositiontosupportasafety-relatedfunctionandithasafailsafeposition,thenitmustbeincludedintheISTProgramandtestedtotheextentpractical.Steamturbinegovernorvalvesareconsideredtobeanintegralpartoftheturbineand,assuch,arenotincludedintheISTProgram.

REVISION108/04/9413.Checkvalvesareincludedwhereavalveservesastheonlyeffectiveboundarybetweenpipingassociatedwithanecessarysafetyfunctionandnon-safetygrade(non-seismic)piping.Failureofpassivesystemcomponentsisassumedonlyfornon-safetygradesystems.14.Whereavalveperformsasafetyfunctioninbothdirections(openandclosed)exercisinginbothdirectionisrequiredasdescribedinReference1.Forthesepower-operatedvalves,stroketimemeasurementsinbothdirectionswouldberequired.15.Pumpsandvalveswhoseonlysafetyfunctionispredicatedonplantshutdownandrecoveryfromafirepercommitmentmadeasaresulton10CFR50,AppendixRarenotincludedintheISTProgram.16.PumpsandvalvesthatarenotcategorizedasISIClass1,2,or3neednotbeincludedintheISTProgram.17.CheckvalvesthathaveasafetyfunctiontocloseshouldbeevaluatedwithrespecttocategorizationasCategoryA/CversusCwithrespecttothefollowingissues:a.Whethertheflowrequirementsforconnectedsystemscanbeachievedwiththemaximumpossibleleakagethroughthecheckvalve.b.Theeffectontheperformanceofothercomponentsandsystemsduetothereducedflowresultingfromtheleakage.c.Theconsequencesoflossoffluidfromthesystem.d.Theeffectthatbackflowthroughavalvemayhaveonpipingandcomponents,suchastheeffectofhightemperatureandthermalstresses.e.Theradiologicalexposuretoplantpersonnelandthepubliccausedbytheleak.

REVISION108/04/941.2ISTPROGRAMIMPLEMENTATIONA.TherequirementsoftheASMECodeSectionXI,subsectionsIWPandIWV,andOM-1-1987areimplementedatSt.LuciethroughtheQualityInstructionsandAdministrativeProcedures.TheseinstructionsandproceduresaddresstheCoderequirements,thedepartment(s)responsible,andthestepsthatmustbeperformedtosatisfythoserequirements.B.EachofthepumpsandvalvesincludedintheUnit2ISTprogramaretestedbyaUnit2testprocedure.ThesetestproceduresareintheformofeitherPumpDataSheets,ValveDataSheets,procedureappendixes,orindividualtestprocedures.AlltestproceduresandtheirsetpointsmustbereviewedandapprovedbythePlant'sProcedureChangeRequest(PCR)process.ThePCRprocessincludesa10CFR50.59reviewandfinalreviewbythePlantsFacilityReviewGroup(FRG)~C.PlantChangesorModifications(PC/M)arereviewedbyEngineeringand/ortheplantsTechnicalStaffforanypotentialeffectstotheISTprogram.Ifchangestotheprogramarerequired,theplantTechnicalStaffand/orotherapplicabledepartmentswillinitiatetheappropriatetestprocedurechangesviaaPCR.AnychangestotheISTprogramwillbemadebytheTechnicalStaff.Periodically,thesechangeswillbeincorporatedintoanewrevisiontotheISTprogramandsubmittedtotheFRGforreview.'FollowingtheFRGreview,thenewISTrevisionwillbeissued.

REVISION108/04/942.0APPLICABLEDOCUMENTSThisProgramPlanwasdevelopedpertherequirementsandguidanceprovidedbythefollowingdocuments:2.1Title10,CodeofFederalRegulations,Part502.2NRCRegulatoryGuides-Division12.3StandardReviewPlan,3.9.6,"InserviceTestingofPumpsandValves2.4FinalSafetyAnalysisReport.,St.LucieUnit22.5St.LuciePlantUnit2TechnicalSpecificationsASMEBoilerandPressureVesselCode,SectionXI,1986Edition2.7NRCGenericLetter89-04,"GuidanceonDevelopingAcceptableInserviceTestingPrograms"2.8MinutesofthePublicMeetingsonGenericLetter89-042.92.102.11SupplementtoMinutesofthePublicMeetingsonGenericLetter89-04byJ,G.Partlow,26September1991RequestforIndustry/NRC-AcceptedInterpretationon"Practical"asAppliedbyASMECodeSectionXI,IWV-3412(a)byMartinJ.Virgilio,AssistantDirectorforRegionsIVandV.ASMEBoilerandPressureVesselCode,SectionXI,1989Edition.2'2ASME/ANSIOM-1987,Part1,"RequirementsforInservicePerformanceTestingofNuclearPowerPlantPressureReliefDevices".2.132.142.152.16NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedAugust23,1993.ASME/ANSIOMa-1988,Part6,"InserviceTestingofPumpsinLight-WaterReactorPowerPlants".ASME/ANSIOMa-1988,Part10,"InserviceTestingofValvesinLight-WaterReactorPowerPlants".NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994.

REVISION108/04/943'INSERVICETESTINGPROGRAMFORPUMPS3.1CodeComplianceThisISTProgramforpumpsmeetstherequirementsofSubsectionIWPoftheCodeandanyinterpretationsoradditionalrequirementsimposedbyReference2.7.Wheretheserequirementshavebeendeterminedtobeimpractical,conformancewouldcauseunreasonablehardshipwithout,anycompensatingincreaseinsafety,oranalternativetestprovidesanacceptablelevelofqualityandsafety,relieffromCoderequirementsisrequestedpursuanttotherequirementsof10CFR50.55a(f)(iii)andReference2.7.3.2AllowableRangesofTestQuantitiesTheallowablerangesfortestparametersasspecifiedinTableIWP-3100-2willbeusedforallmeasurementsofpressure,flow,andvibrationexceptasprovidedforinspecificreliefrequests.InsomecasestheperformanceofapumpmaybeadequatetofulfillitssafetyfunctioneventhoughtheremaybeavalueofanoperatingparameterthatfallsoutsidetheallowablerangesassetforthinTableIWP-3100-2.Shouldsuchasituationarise,anexpandedallowablemaybedetermined,onacase-by-casebasis,inaccordancewithIWP-3210.3.3TestingIntervalsThetestfrequencyforpumpsincludedintheProgramwillbeassetforthinIWP-3400andrelatedreliefrequests.Abandof+25percentofthetestintervalmaybeappliedtoatestscheduleasallowedbytheSt.LucieUnit2TechnicalSpecificationstoprovideforoperationalflexibility.3.4PumpProgramTableAppendixAliststhosepumpsincludedintheISTProgramwithreferencestoparameterstobemeasuredandapplicablerequestsforrelief.3.5ReliefRequestsforPumpTestingAppendixBincludesallreliefrequestsrelatedtopumptesting.

REVISION108/04/944.0INSERVICETESTINGPROGRAMFORVALVES4.1CodeComplianceThisISTProgramforvalvesmeetstherequirementsofSubsectionIWVoftheCodeandanyinterpretationsoradditionalrequirementsimposedbyReference2.7.Wheretheserequirementshavebeendeterminedtobeimpractical,conformancewouldcauseunreasonablehardshipwithoutanycompensatingincreaseinsafety,oranalternativetestprovidesanacceptablelevelofqualityandsafety,relieffromCoderequirementsisrequestedpursuanttotherequirementsof10CFR50.55a(f)(iii)andReference2.7.4.2TestingIntervalsThetestfrequencyforvalves(excludingsafety/reliefvalves)includedintheProgramwillbeassetforthinIWV-3400andrelatedreliefrequests.Abandof+25percentofthetestintervalmaybeappliedtoatestscheduleasallowedbytheSt.LucieUnit2TechnicalSpecificationstoprovideforoperationalflexibility.Wherequarterlytestingofvalvesisimpracticalorotherwiseundesirable,testingmaybeperformedduringcoldshutdownperiodsaspermittedbyIWV-3412(a).JustificationsforthisdeferredtestingareprovidedinAppendixE.4.3StrokeTimeAcceptanceCriteriaWhenrequired,theacceptancecriteriaforthestroketimesofpower-operatedvalveswillbeassetforthinReference2,7.4,4CheckValveTestingFull-strokeexercisingofcheckvalvestotheopenpositionusingsystemflowrequiresthatatestbeperformedwherebythepredictedfullaccidentconditionflowratethroughthevalvebeverifiedandmeasured.Anydeviationtothisrequirementmustsatisfy,therequirementsofReference2.7,Positionl.4.5ValveProgramTableAppendixCliststhosevalvesincludedintheISTProgramwithreferencestorequiredtesting,respectivetestintervals,andapplicablerequestsforrelief.4.6ReliefRequestsforValveTestingAppendixDincludesallreliefrequestsrelatedtovalvetesting.10 REVISION108/04/94AppendixAPumpProgramTables REVISION108/04/94FloridaPower&LightCompanyINSERVICETESTING-PUMPTABLESSt.LucieNuclearPlant-Unit2PAGE'IcR&KD.PUMPNUMBERNumericaldesignatorindicatedontherespectiveflowdiagram.DESCRIPTIONGenericname/functionofthepump.CLCOORDISIClassificationpertheassociatedISIboundarydrawing(s)Correspondsto'heflowdiagramcoordinatesofthepump.TestParametersThetableindicatesbya"Y"(yes)or"N"(no)thatthespecificparameterismeasured,evaluated,andrecordedpertheapplicableCoderequirement.Ifa"N"isindicated,theassociatedreliefrequestnumberisalsonotedinthesamecolumn.PR-XXWhereindicatedthisreferstothespecificreliefrequest(SeeAppendixB)relatedtoanydeviationregardingthemeasurementoranalysisofaparameter.

REVISION108/04/94AppendixBPumpProgramReliefRequests RELIEFREQUESTNO.PR-1Revision108/04/94WITHDRAWN(Rev1,08/04/94)

RELIEFREQUESTNO.PR-2Revision108/04/94VariousThefull-scalerangeofeachinstrumentshallbethreetimesthereferencevalueorless.(IWP-4120)Table1WP-4110-1requirestheaccuracyofinstrumentsusedtomeasurespeedtobeequaltoorbetterthan+2percentbasedonthefullscalereadingoftheinstrument.Thismeansthattheaccuracyofthemeasurementcanvaryasmuch+6percent,assumingtherangeoftheinstrumentextendedtotheallowedmaximum.ThisISTpumpparameterisoftenmeasuredwithportabletestinstrumentswherecommerciallyavailableinstrumentsdonotnecessarilyconformtotheCoderequirementsforrange.Inthiscase,highqualitycalibratedinstrumentswillbeusedwherethe"reading"accuracyisatleastequaltotheCode-requirementforfull-scaleaccuracy.ThiswillensurethatthemeasurementsarealwaysmoreaccuratethantheaccuracyasdeterminedbycombiningtherequirementsofTableIWP-4110-1andParagraphIWP-4120.Wheneverportableinstrumentsareusedformeasuringpumpspeed,theinstrument(s)willbesuchthatthe"reading"accuracyisasfollowsatleast+2percent.VNRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,authorizedthisreliefrequestinaccordancewith10CFR50.55a(a)(3)(i).B-2 RELIEFREQUESTNO.PR-3Revision108/04/94WITHDRAWN(Rev0,07/16/93)B-3 RELIEFREQUESTNO.PR-4Revision108/04/94AuxiliaryFeedwater(AFW)Pumps2Athru2C(2998-G-080,Sh2)INXIEachinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-3100-1.(IWP-3300)Pumpflowrateshallbemeasuredduringthetest.(TableIWP-3100-1)ThereareonlytwopracticalflowpathsavailableforperforminginservicetestingoftheAFWPumps.Theseincludetheprimaryflowpathintothemainfeedsupplylinesandthencetothesteamgenerator,andtheminimum-flowrecirculation(mini-recircandbypasstestloop)whichreturnstothecondensatestoragetank.Theformerisprovidedwithflowratemeasuringinstrumentationhoweverthemini-recirclineisafixedresistancecircuitwithnoflowinstrumentation.Pumpingfromtheauxiliaryfeedwatersystemintothesteamgeneratorsduringplanthotoperationisimpracticalandundesirableforthefollowingreasons:*Duringauxiliaryfeedwaterinjectionviathemainfeedwaterlineswhiletheplantisoperatingatpower,alargetemperaturedifferential(approximately375deg-F)couldexistthatwouldresultinsignificantthermalshockandfatiguecyclingofthefeedwaterpipingandsteamgeneratornozzles.*Basedontheexpecteddurationofthetestingandtheflowrateofthepumps(150to200gpm),itisexpectedthatthecooldownofthesteamgeneratorwouldinducecooldownandcontractionofthereactorcoolantsystemresultinginundesirablereactivityvariationsandpowerfluctuations.B-4 RELIEFREQUESTNO.PR-4(cont.)Revision108/04/94ERNDuringquarterlytestingoftheAFWpumpswhilethepumpsareoperatingthroughthefixed-resistancemini-recircline,pumpdifferentialpressureandvibrationwillbemeasuredandevaluatedperIWP-3100andIWP-3200.Duringtestingperformedatcoldshutdown,pumpdifferentialpressure,flowrate,andvibrationwillbemeasuredandevaluatedperIWP-3100andIWP-3200.Testingduringcoldshutdownswillbeonafrequencydeterminedbyintervalsbetweenshutdownsasfollows:Forintervalsof3monthsorlonger-eachshutdown.Forintervalsoflessthan3months-testingisnotrequiredunless3monthshavepassedsincethelastshutdowntest.pvNRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position9.

RELIEFREQUESTNO.PR-5Revision108/04/94BoricAcidMakeup(BAM)Pumps2Aand2B(2998-G-078,Sh121)EachinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-3100-1.(IWP-3300)Pumpflowrateshallbemeasuredduringthetest.(TableIWP-3100-1)TherearethreepracticalflowpathsavailableforperforminginservicetestingoftheBAMPumps.Theseincludetheprimaryflowpathintothechargingpumpsuctionheader,arecirculationlineleadingbacktotherefuelingwatertank,andtheminimum-flowrecirculation(mini-recircandbypasstestloop)whichreturnstotheBAMTanks.Noneoftheseflowpaths,istotallysatisfactoryforthefollowingreasons:OperatingtheBAMPumpsdischargingintothechargingpumpsuctionheaderrequirestheintroductionofhighlyconcentratedboricacidsolutionfromtheboricacidmakeuptankstothesuctionofthechargingpumps.This,inturn,wouldresultintheadditionofexcessborontotheRCS.ThisrapidinsertionofnegativereactivitywouldresultinarapidRCScooldownanddepressurization.AlargeenoughboronadditionwouldresultinanunscheduledplanttripandapossibleinitiationofSafetyInjectionSystems.Duringcoldshutdown,theintroductionofexcessquantitiesofboricacidintotheRCSisundesirablefromtheaspectofmaintainingproperplantchemistryandtheinherentdifficultiesthatmaybeencounteredduringthesubsequentstartupduetoover-borationoftheRCS.ThewastemanagementsystemwouldbeoverburdenedbythelargeamountsofRCScoolantthatwouldrequireprocessingtodecreaseitsboronconcentration."B-6 RELIEFREQUESTNO.PR-5(cont,)Revision108/04/94ThesecondcircuitrecirculateswatertotheRefuelingWaterTank(RWT)ortheVolumeControlTank(VCT).DuringnormalplantoperationatpoweritisundesirabletopumptotheRWTanddepletetheBAMTankinventory.OneofthetwoBAMTanksismaintainedatTech.Spec.levelwhiletheotherisusedasrequiredforplantoperation.TheTech.Spec.BAMTankcannotbepumpedfrombecauseitmustbemaintainedatalevelnearthetopofthetank.TheotherBAMTank'slevelwillvaryfromtesttotestbyasmuchas15to20feet.Thisvarianceinpumpsuctionpressurewillhaveadirectaffectonpumpheadandflowsuchthattestrepeatabilitywouldbequestionable.*Theminimum-flowrecirculationflowpathisafixedresistancecircuit.Noflowratemeasuringinstrumentationisinstalledinthislinc'umpingboricacidfromtanktotankwouldbepossiblebuttheflowrateswouldbesmall,limitingpumpoperationtothehighheadsectionofthepumpcurve~Inaddition,oneofthetwoBAMTanksismaintainedatTech.Spec.levelwhiletheotherisusedasrequiredfornormalplantoperation.TheTech.Spec.BAMTankcannotbepumpedfrombecauseitmustbemaintainedatalevelnearthetopofthetank.Thisnarrowbandlimitstheamountthatcanbepumpedtoitorfromittoonlyafewhundredgallons.TheotherBAMTank'slevelwillvaryfromtesttotestbyasmuchas15to20feet.Thisvarianceinpumpsuctionpressurewillhaveadirectaffectonpumpheadandflowsuchthattestrepeatabilitywouldbequestionable.B-7 RELIEFREQUESTNO.PR-5(cont.)Revision108/04/94DuringquarterlytestingoftheBAMpumps,whilethepumpsareoperatingthroughthefixed-resistancemini-recircline,pumpdifferentialpressureandvibrationwillbemeasuredandevaluatedperIWP-3100andIWP;3200.Duringtestingperformedateachreactorrefuelingoutage,pumpdifferentialpressure,flowrate,andvibrationwillbemeasuredandevaluatedperIWP-3100andIWP-3200.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position9.B-8 RELIEFREQUESTNO.PR-6Revision108/04/94ContainmentSpray(CS)Pumps2Aand2B(2998-G-088)EachinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-3100-1.(IWP-3300)Pumpflowrateshallbemeasuredduringthetest.(TableIWP-3100-1)TherearetwopracticalflowpathsavailableforperforminginservicetestingoftheCSPumps.Theseincludeonethatpumpsboratedwater,fromtheRWTtotheRCSviathelow-pressureinjectionheaderandtheother,minimum-flowrecirculation(mini-recircandbypasstestloop)whichreturnstotheRWT.Thefirstwouldrequiremodifyingtheshutdowncoolinglineupwhileincoldshutdown;however,theshutdowncoolingsystemcannotprovidesufficientletdownflowtotheRWTtoaccommodatefulldesignflowfromtheRWTwhilemaintainingthenecessarycorecoolingfunction.Thus,theonlypracticaltimefortestingthesepumpsviathisflowpathisduringrefuelingoutageswhenwaterfromtheRWTisusedtofilltherefuelingcavity.Theminimum-flowrecirculationflowpathisafixedresistancecircuitcontainingaflowlimitingorificehowevernoflowratemeasuringinstrumentationisinstalled.TheCSpumpsareoperatedthroughthefixed-resistancemini-recirclineduringthequarterlypumptesting.PumpdifferentialpressureandvibrationwillbemeasuredandevaluatedperIWP-3100andIWP-3200.B-9 RELIEFREQUESTNO.PR-6(cont.)Revision108/04/94Duringthepumptestingperformedeachreactorrefueling,pumpdifferentialpressure,flowrate,andvibrationwillbemeasuredandevaluatedperIWP-3100andIWP-3200.VNRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position9.B-10 RELIEFREQUESTNO.PR-7Revision108/04/94WITHDRAWN(Rev0,07/16/93)

RELIEFREQUESTNO.PR-8Revision108/04/94NBoricAcidMakeupPumps2Aand2B(2998-G-078,Sh121)EachinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-'3100-1exceptbearingtemperatures,whichshallbemeasuredduringatleastoneinservicetesteachyear.(IWP-3300)Thesysteminstallationdoesnotprovideanymechanismformeasuringpumpsuctionpressures,andthus,therequirementformeasuringsuctionpressureandpumpdifferentialpressurescannotbesatisfied.Ameasureofpumpsuctionpressurecan,however,bedeterminedbyacalculationusingtheheightofliquidintheboricacidmakeuptanks.Sincethereisessentiallyfixedresistancesbetweenthetanksandthepumpsthiswillprovideaconsistentvalueforsuctionpressures'incethetanklevelsarenotexpectedtovarysignificantlyduringthetests,tanklevelsandassociatedcalculationswillonlybetakenonceduringeachtestinsteadofpriortopumpoperationandduringoperationasrequiredbyTableIWP-3100-1.Theboricacidmakeuppumpsuctionpressureswillbecalculatedbasedontheheightofliquidintheassociatedtankonceduringeachinservicetest.Subsequently,thesecalculatedvalueswillbeusedtodeterminepumpdifferentialpressuresforevaluationofpumpparameters.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,authorizedthisreliefrequestinaccordancewith10CFR50.55a(a)(3)(i).B-12 RELIEFREQUESTNO.PR-9Revision108/04/94HighPressureSafetyInjection(HPSI)Pumps2Aand2B(2998-G-078,Sh130)EachinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-3100-1.(IWP-3300)BAIDuringquarterlytestingoftheHPSIPumps,thepumpscannotdevelopsufficientdischargepressuretoovercomereactorcoolantsystem(RCS)pressure.Flowisroutedthroughaminimumflowtestlineleadingtotherefuelingwatertank(RWT).Thislinehasnoinstalledflowratemeasuring'nstrumentationandmeasuringflowrateduringquarterlytestingisnotpractical.Duringcoldshutdownconditions,fullflowoperationoftheHPSIpumpstotheRCSisrestrictedtoprecludeRCSsystempressuretransientsthatcouldresultinexceedingthepressure-temperaturelimitsspecifiedintheTechnicalSpecifications,Section3.4.9.3.NRCGenericLetter89-04,Position9,allowseliminationofminimumflowtestlineflowratemeasurementsprovidinginservicetestsareperformedduringcoldshutdownsorrefuelingunderfullorsubstantialflowconditionswherepumpflowrateisrecordedandevaluated.ALTDuringquarterlytestingoftheHPSIPumps,pumpdifferentialpressureandvibrationwillbemeasuredandevaluatedperIWP-3100andIWP-3200.Duringtestingperformedateachreactorrefueling,pumpdifferentialpressure,flowrate,andvibrationwillbemeasuredandevaluatedperIWP-3100andIWP-3200.B-13 Revision108/04/94RELIEFREQUESTNO.'PR-9(cont.)NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position9.B-14 Revision108/04/94RELIEFREQUESTNO.PR-10LowPressureSafetyInjection(LPSI)Pumps2Aand2B(2998G078'h131)REMENT'achinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-3100-1.(IWP-3300)DuringquarterlytestingoftheLPSIpumps,thepumpscannotdevelopsufficientdischargepressuretoovercomereactorcoolantsystem(RCS)pressure.Flowisroutedthroughaminimumflowtestlineleadingtotherefuelingwatertank(RWT).Thislinehasnoinstalledflowratemeasuringinstrumentationandmeasuringflowrateduringquarterlytestingisnotpractical.Duringcoldshutdown,theLPSIpumpsareusedforresidualheatremoval.Thesubstantialflowtestscanbeperformedatthistime.Pumpdifferentialpressureandflowratewillberecorded.However,inducedvibrationsinthesystempipingwhilethereactorcoolantpumps(RCPs)arerunningmaskanymeaningfulLPSIpumpvibrationdata.DuringquarterlytestingoftheLPSIPumps,pumpdifferentialpressureandvibrationwillbemeasuredandevaluatedperIWP-3100andIWP-3200.Substantialflowtestingwillbeperformedduringcoldshutdowns.Pumpdifferentialpressure,flowrate,andvibration(ifRCPssecured)willbemeasuredandevaluatedperIWP-3100andIWP-3200.Testingwillbeonafrequencydeterminedbyintervalsbetweenshutdownsasfollows:Forintervalsof3monthsorlonger-eachshutdown.Forintervalsoflessthan3months-testingisnotrequiredunless3monthshavepassedsincethelastshutdowntest.

RELIEFREQUESTNO.PR-10(cont.)Revision108/04/94VNRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position9.

RELIEFREQUESTNO.PR-11Revision108/04/94IntakeCoolingWaterPumps2A,2Band2C(2998-G-082)EEachinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-3100-1.(IWP-3300)Pumpinletpressureshallbemeasuredbeforestartingapumpandduringthetest.(TableIWP-3100-1)Thepumpslistedaboveareverticallineshaftpumpssubmergedintheintakestructurewithnopracticalmeansofmeasuringpumpinletpressure.Theinletpressure,however,canbedeterminedbycalculationusing,asinput,themeasuredheightofwaterabovethepumpinletasmeasuredattheintake.Duringeachinservicetest,thewaterlevelintheintakepitremainsrelativelyconstant,thusonlyonemeasurementoflevelandtheassociatedsuctionpressurecalculationneedbeperformed.Duringtestingofthesepumps,onevalueofinletpressurewillbecalculatedbasedonwaterlevelattheintakestructure.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,authorizedthisreliefrequestinaccordancewith10CFR50.55a(a)(3)(i).B-17 RELIEFREQUESTNO.PR-12Revision108/04/94EReactorCoolantChargingPumps2A,2B,and2CETINXIRIRMThefrequencyresponserangeofthereadoutsystem(forinstrumentusedtomeasurevibrationamplitude)shallbefromone-halfminimumspeedtoatleastmaximumpumpshaftrotationalspeed.(IWP-4520(b))Thereactorcoolantchargingpumpsoperateatapproximately210-215rpmwhichequatestoarotationalfrequencyof3'0Hz.Theone-halfminimumspeedfrequencyresponserequiredforthevibrationinstrumentationcorrelatesto1.75Hz(105cpm).ThevibrationinstrumentationpresentlyinuseatSt.LucieistheBentlyNevadamodelTK-81with270cpmprobes.TheTK-81integratorfrequencyresponseisessentiallyflatdownto120cpm(cyclesperminute)wherethedisplayedoutputoftheinstrumentslightlyincreasestoapproximately+ldBat100cpm.The-3dBfrequencyresponseisreachedatapproximately54cpm.ThevelocityprobesusedwiththeTK-81areaspeciallowfrequencyprobenominallyrateddownto270cpm(-3dB).Thisisonlyslightlyhigherthantheexpectedrotational(1X)speedofthechargingpump(205210cpm).The1X(205cpm.)vibrationfrequencycomponentswillbesomewhatattenuatedbytheprobes,butnotcutoff.Overallvibrationlevelswouldstillshowanincreasingvalueifsomeproblemdevelopedwhosecharacteristicfrequencywas1Xrunningspeed.Therearevirtuallynomechanicaldegradationswhereonlyasub-synchronousvibrationcomponentwoulddeveloponthechargingpumps.Forexample:a.Oilwhirl(0.38X-0.48X)isnotapplicabletoahorizontal,triplex,reciprocatingpump.B-18 RELIEFREQUESTNO.PR-12(cont.)Revision108/04/94b.Alightrub/impactcouldgenerate0.5X(102.5cpm)vibrationcomponents,butwouldalsousuallygenerateasequenceofintegerandhalfintegerrunningspeedcomponents.Aheavyrubgeneratesincreasedintegervaluesofmultiplerunningspeedcomponents,aswellasprecessingthe1Xphasemeasurement.Ineithercasetheoverallvibrationlevelwouldstillshowanincreasefromboththeattenuatedsub-synchronousand1Xvibrationcomponentsaswellasthehigherharmonicvibrationcomponents.c.Loosenessinthepowertrainwouldlikelybeindicatedbyincreasing1Xand2Xvibrationcomponents.Thesesignalswouldbeslightlyattenuatedbutagainnotcompletelycutoff.Basedontheaboveinformation,itisourevaluationthatthepresentuseoftheBentlyNevada270cpmprobeswiththeportableTK-81instrumentiscapableofcollectingsufficientlyreliabledatatoidentifychangesfrombaselinereadingstoindicatepossibleproblemswiththepumps.Duringtestingofthesepumps,thevibrationinstrumentationusedwillbetheBentlyNevadamodelTK81with270cpmprobesorequivalent.VThisrevisedreliefrequestispendingNRCapproval.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedAugust23,1993,andMay2,1994,providedinterimapproval.B-19 RELIEFREQUESTNO.PR-13Revision108/04/94WITHDRAWN(Rev1,08/04/94)s-20 Revision108/04/94RELIEFREQUESTNO.PR-14HydrazinePumps2Aand2BIREIREMENThefrequencyresponserangeofthereadoutsystem(forinstrumentusedtomeasurevibrationamplitude)shallbefromone-halfminimumspeedtoatleastmaximumpumpshaftrotationalspeed.(IWP-4520(b))Thehydrazinepumpsarecharacterizedasmeteringpumpsandoperateat,extremelyslowspeed(aslowas37rpm).Thisequatestoarotationalfrequencyof0.62Hz.InaccordancewiththeASMECode,thefrequencyresponseforthevibrationinstrumentswouldhavetobeonehalfofthisor0.31Hz.Instrumentssatisfyingthisrequirementforthehydrazinepumpsarecommerciallyunavailable.ThevibrationinstrumentationpresentlyinuseatSt.LucieistheBentlyNevadamodelTK-81with270cpmprobes.TheTK-81integratorfrequencyresponseisessentiallyflatdownto120cpm(cyclesperminute)wherethedisplayedoutputoftheinstrumentslightlyincreasestoapproximately+1dBat100cpm.The-3dBfrequencyresponseisreachedatapproximately54cpm.ThevelocityprobesusedwiththeTK-81areaspeciallowfrequencyprobenominallyrateddownto270cpm(-3dB).TINDuringtestingofthesepumps,thevibrationinstrumentationusedwillbetheBentlyNevadamodelTK81with270cpmprobesorequivalent.pvThisrevisedreliefrequestispendingNRCapproval.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedAugust23,1993,andMay2,1994,providedinterimapproval.

RELIEFREQUESTNO.PR-15Revision108/04/94MPNENTContainmentSprayPumps2Aand2B(2998-G-088)HiPressSafetyInject.Pumps2Aand2B(2998-G-078SH130)LoPressSafetyInject.Pumps2Aand2B(2998-G-078SH130)EIEIEEachinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-3100-1exceptbearingtemperatures,whichshallbemeasuredduringatleastoneinservicetesteachyear.(IWP-3300)Thesysteminstallationdoes.notprovideanyinstalledsuctiongages.Ameasureofpumpsuctionpressurecan,however,bedeterminedbycalculationusingtheheightofliquidintherefuelingwatertank(RWT).Duringthequarterlypumptests,theflowratethroughthesuctionpipingisverylow,therefore,theamountofheadlossisnegligible.Thisisnotthecaseduringthesubstantialflowtests.Theflowratesusedduringthesetestswouldcauseanoticeableheadlossinthesuctionpiping.SinceRWTlevelisnotexpectedtovarysignificantlyduringthequarterlytests,RWTlevelandassociatedcalculationswillonlybetakenonceduringeachquarterlytestinsteadofpriortopumpoperationandduringoperationasrequiredbyTableIWP-3100-1.Duringthequarterlypumptests,thepumps'uctionpressureswillbecalculatedbasedontheheightofliquidintheassociatedRWT.Subsequently,thesecalculatedvalueswillbeusedtodeterminepumpdifferentialpressuresforevaluationofpumpparameters.Duringthecoldshutdownorrefuelingsubstantialflowtestingofthesepumps,temporarysuctiongageswillbeinstalledtomeasurepumpsuctionpressure.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,authorizedthisreliefrequestinaccordancewith10CFR50'5a(a)(3)(i).B-22 RELIEFREQUESTNO.PR-16Revision108/04/94WITHDRAWN(Rev0,07/16/93)B-23 RELIEFREQUESTNO.PR-17Revision108/04/94HydrazinePumps2Aand2B(2998-G-088)RTEachinservicetestshallincludethemeasurementandobservationofallquantitiesinTableIWP-3100-1exceptbearingtemperatures,whichshallbemeasuredduringatleastoneinservicetesteachyear.(IWP-3300)Symmetricaldampingdevicesoraveragingtechniquesmaybeusedtoreduceinstrumentfluctuationstowithin2%oftheobservedreading.(IWP-4150)ThePSLUnit2Hydrazinepumpsarereciprocatingpositivedisplacementpumpswithvariablespeedcontrol.Thesepumpsarenormallyinastandbyconditionandareonlyoperatedduringsurveillancetesting.Theyareclassifiedasmeteringpumpsandaredesignedtoaccuratelydisplaceapredeterminedvolumeofliquidinaspecificperiodoftime.Thepumphasasingleplungerandmakesonlyonesuctionstrokeandonlyonedischargestrokeduringeachcycle.Thepumpsoperateataveryslowspeed(aslowas37rpm)toproducetheTechnicalSpecificationrequiredHydrazineflowrateof0.71to0.82gpm.Pumpflowiscontinuouslyacceleratinganddeceleratingfollowingasinusoidalwaveform.Eachcycleofthepumpisapproximately1.6secondsindurationwithnoflowproducedduringthepumps0.8secondsuctionstroke.Thischaracteristicintermittentandoscillatingflowrateisobviouslyimpracticaltophysicallydampentheobservedreadingtowithin2%usingsymmetricaldampingdevices.Theinstalledflowinstrumentationhasbeendemonstratedtobeinadequateforinservicetestingpurposes'hisinstrumentationutilizesadifferentialpressureorificelocatedinthesuctionlinecommontobothpumpstomeasureflow.Flowthroughthisorificepulsatessharplywitheachstrokeofthepump.Thefloworificealsosensespressurefeedbackduringeachcycleofthepumpstroke.Thisfeedbackhasbeendeterminedtobeechoesofthepressurepulsationsproducedbythepumpstrokewhichhavereflectedbacktotheorificebythesystempipingandvalves.B-24 Revision108/04/94Refuelingoutagetestinghasdemonstratedthattechniquesusedtoaveragetheindicatedflowreadingsareinconsistantandinaccuratewhencomparedtoactualflow.Trendingtheflowrateusingtheinstalledinstrumentationisimpracticalduetotheinherentinaccuraciesandinstabilityinmeasuringthepumpflowasdescribedabove.FlowinstrumentationwhichcanaccuratelymeasuretheHydrazinepumpintermittentandoscillatingflowratehasnotbeenlocated.Evenifsuchinstrumentationwerefoundtobeavailablethecostsassociatedwithprocuringandinstallingsuchinstrumentationcouldnotbejustified.TheHydrazinepumpsarestandbypumps.Thereisvirtuallynomeansforthemechanicalconditionofthepumptobecomedegradedbetweenrefuelingoutageswiththepumponlyrunforquarterlysurviellancetesting.Theflowrateofthepumpscanbeaccuratelyobtainedbycollectingthepumpsoutputinacontainerandmeasuringit.Severalflowtestsperhydrazinepumpshavebeenperformed.Thepumpdischargewasdirectedtoacontainerofaknownvolume.Theamountoftimetofillthecontainerwasmeasuredandthenusedtocalculateanaverageflowrateforthepump.Acorrelationbetweenpumprpmandaverageflowratewasdevelopedandcomparedtotheexpectedvalue.Themeasuredandtheexpectedcorrelationsbetweenrpmandflowratewereincloseagreement.Theexpectedcorrelationwasbaseduponpistondiameter,pistonstroke,andpumprpm.Basedupontheseresults,hydrazinepumpflowratecanbeaccuratelysetbyselectingtheproperpumprpm.Frequentperformanceoftheabovementionedflowtestingcannotbeperformed.Hydrazineisahighlyflammableliquidwithcumulativetoxicaffectswhenabsorbedthroughtheskin,inhaled,oringested.Ithasalsobeenidentifiedasaknowncarcinogen.FlowmeasurementperformedeachrefuelingoutageisconsideredbyPSLtobeappropriatefordetectinganypumphydraulicdegredation.B-25 Revision108/04/94Duringeachrefuelingoutageatleastonetestmeasuringactualpumpflowwillbeperformedforeachpumptoverifyproperperformance.Duringthequarterlypumptests,eachpump'srpmwillbemeasuredtoverifytherequiredflowrateof0.71to0.82gpm.Pumpdischargepressureandvibrationwillbemeasuredduringboththequarterlyandrefuelingoutagetests.ThisrevisedreliefrequestispendingNRCapproval.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedAugust23,1993,andMay2,1994,providedinterimapproval.a-26 REVISION108/04/94AppendixCValveProgramTables REVISION108/04/94FloridaPower&LightCompanyINSERVICETESTING-VALVETABLESSt.LucieNuclearPlant-Unit2PAGE:1LEZzRHKVALVENUMBERTheplantalpha-numericaldesignatorforthesubjectvalveCOORDCLCATSIZETYPEA/PThecoordinatelocationofthevalveonthedesignateddrawingTheISIClassificationofthevalveaspertherespectiveISIboundarydrawingsThevalvecategoryperParagraphIWV-2200Thevalve'snominalsizeininchesThevalvetypeTheactive(A)orpassive(P)determinationforthevalve.ACT.TYPEThevalveactuatortypeasfollows:AODOMOMANPOS/ASOAir-operatedDiaphragm-operatedElectricmotor-operatedManualvalvePiston-operatedSelf-actuatedSolenoid-operatedNORMPOS.REMINDFAILMODEDesignatesthenormalpositionofthevalveduringplantoperationatpowerNotesifavalvehasremotepositionindicationIdentifiesthefailuremode(openorclosed)foravalve.FAIindicatesthevalvefails"asis".

REVISION108/04/94FloridaPower6LightCompanyINSERVICETESTING-VALVETABLESSt.LucieNuclearPlant-Unit2PAGE2EXAMIdentifiesthetestrequirementsforavalveasfollows:CV/cCV/0CV/POECEOFSINSPPECPISLT-1SLT-2SRVCheckvalveexercisetoclosedposition.Checkvalvefull-strokeexercisetoopenposition.Checkvalvepartial-strokeexercisetoopenposition.Exercisetoclosedposition.ForallcategoryAorBpower-operatedvalvesstroketimeswillbemeasuredunlessexcludedbyanassociatedreliefrequest.Exercisevalvetoverifyproperoperationandstrokingwithnostroketimemeasurements.Requiresobservationofsystemparametersorlocalobservationofvalveoperation.Exercisetoopenposition.ForallcategoryAorBpower-operatedvalvesstroketimeswillbemeasuredunlessexcludedbyanassociatedreliefrequest.FailsafetestDisassemblyandinspectionofcheckvalvesPartialclosureexerciseforpower-operatedvalvesPositionindicationverificationSeatleakratetestper10CFR50,AppJSeatleakratetestforpressureisolationvalves.Setpointcheckforsafety/reliefvalves REVISION108/04/94FloridaPower&LightCompanyINSERVICETESTING-VALVETABLESSt.LucieNuclearPlant-Unit2PAGE:3TESTFREQTherequiredtestintervalasfollows:QRCS2YRFSDQuarterly(duringplantoperation)ColdshutdownasdefinedbyTechnicalSpecificationEvery2yearsEachreactorrefuelingoutage(cycle).Inthecasewherethisisdesignatedforsafety/reliefvalvesANSI/ASMEOM-1-1981Disassemble,inspect,andmanuallyexerciseonevalvefromspecifiedgroupeachreactorrefuelingoutageRELIEFREQReferstothespecificreliefrequestassociatedwiththeadjacenttestrequirement.(SeeAppendixD)

FLORIDAPOWERANDLIGHTCOMPANYVALVETABLESSaintLucieNuclearPlant-Unit2REVISION:DATE:08/04/94PAGE:9PaID:2998-G-078SH121(cont)SYSTEM:CHEMICALANDVOLUHECONTROLACT.NORMREMFAILVALVENUMBERCOORD.CLCAT.SIZETYPEA/PTYPEPOS.INDMODETESTRELIEFEXAMFREQREQ.REMARKSV-2507H-72B0.750GLOBEADOLOYESFOECQRPI2YV-2508C-62B3.000GATEAMOCYESFAIEOQRPI2YV-2509C-72B3.000GATEAHOCYESFAIEOQRPI2YV-2514C-32B3.000GATEAMOCYESFAIEOQRPI2YV-2524YESFC,ECFSPISLT-1F-72A0.750GLOBEADO0CSCS2Y2YV-2525E-43B4.000GATEAMOCYESFAIECQRPI2YV-2526E-32C4.000CHECKAS/ACNOCV/0RFCV/POCSV-2650B-42B1.000GLOBEADO0YESFCECFSPIQRQR2YV-2651D-42B1.000GLOBEADO0YESFCECFSPIQRQR2YV~2674F-43C4.000CHECKAS/A0NOCV/0QR

FLORIDAPOWERANDLIGHTCOMPANYVALVETABLESSaintLucieNuclearPlant-Unit2REVISION:1DATE:08/04/94PAGE:14PaID:2998-G-078SH130(cont)SYSTEH:SAFETYINJECTIONSYSTEMACT.NORHREMFAILVALVENUMBERCOORD.CLCAT.SIZETYPEA/PTYPEPOS.INDMODETESTRELIEFEXAMFREQREQ.REMARKSV-3439F-32C1.000RELIEFAS/ACNOSRVRFV-3444E-72B14.000GATEAMOLOYESFAIECQRPI2YV-3456G-42B10.000GATEAMOLCYESFAIEOQRPI2YV-3457F-22B10.000GATEAMOLCYESFAIEOQRPI2YV-3463G"22A2.000GATEAHANLCNOEE'RSLT"12YV-3466G-13C1.500RELIEFAS/ACNOSRVRFV-3495G-62BF000GLOBEASOLOYESFCECQRFSQRPI2YV-3496G-52B6.000GLOBEASOLOYESFCECQRFSQRPI2YV-3507V-3513F-12C1.000RELIEFAS/ACNOSRVG-32C2.000RELIEFAS/ACNOSRVRFRFV-3517H-62B12.000GATEAMOLCYESFAIEOPIQR2YV-3518V-3519C-32B2.000GLOBEAMANCNOFAIEEQRD-42B2.000GLOBEAHANCNOFAIEEQRV-3522B-42C3.000CHECKAS/ACNOCV/CCSCV/O"RFCV/POCSV-3523A-22B3.000GLOBEAMOLCYESFAIECQREOQRPI2Y

FLORIDAPOWERANDLIGHTCOMPANYVALVETABLESSaintLucieNuclearPlant-Unit2REVISION:1DATE:08/04/94PAGE:16P6ID:2998-G-078SH131SYSTEM:SAFETYINJECTIONSYSTEMACT.NORMREMFAILVALVENUMBERCOORD.CLCAT.SIZETYPEA/PTYPEPOS.INDMODETESTRELIEFEXAMFREQREQ.REMARKSHCV-3615H-72B6.000GLOBEAMOCYESFAIEOQRPI2YHCV-3616G-72B2.000GLOBEAMOCYESFAIEOQRPI2YHCV-3617G-72B2.000GLOBEAMOCYESFAIEOQRPI2YHCV-3625F-72B6.000GLOBEAMOCYESFAIEOQRPI2YHCV-3626E-72B2.000GLOBEAMOCYESFAIEOQRPI2YHCV"3627E-72B2.000GLOBEAMOCYESFAIEOQRPI2YHCV-3635D-72B6.000GLOBEAMOCYESFAIEOQRPI2YHCV-3636C-72B2.000GLOBEAMOCYESFAIEOQRPI2YHCV-3637C-72B2.000GLOBEAMOCYESFAIEOQRPI2YHCV-3645B-72B6.000GLOBEAMOCYESFAIEOPIQR2YHCV-3646A-72B2.000GLOBEAMOCYESFAIEOPIQR2YHCV-3647A"72B2.000GLOBEAMOCYESFAIEOQRPI2YV-3113G-72C2.000CHECKAS/ACNOCV/0RFCV/POCSV-3114H-72C6.000CHECKAS/ACNOCV/CCV/0CSCSV"3124F-72C6.000CHECKAS/ACNOCV/CCSCV/0CS

FLORIDAPONERANDLIGHTCOMPANYVALVETABLESSaintLucreNuclearPlant-Unit2REVISION:1DATE:08/04/94PAGE:19P6ID:2998-G-078SH132SYSTEM:SAFETYINJECTIONSYSTEMACT.NORMREMFAILVALVENUMBERCOORD.CLCAT.SIZETYPEA/PTYPEPOS.INDMODETESTRELIEFEXAMFREQREQ.REMARKSHCV-3618E-71B1.000GLOBEADOCYESFCECQRFSQRPI2YHCV-3628E-41B1.000GLOBEADOCYESFCECFSPIQRQR2YHCV-3638HCV-3648B-71B1.000GLOBEADOCYESFCECFSPIB-41B1.000GLOBEADOCYESFCECFSPIQRQR2YQRQR2YSE-03-1AF-32B1.000GLOBEASOCYESFCECEOFSPIQRQRQR2YSE"03-1BF-72B1.000GLOBEASOCYESFCECEOFSPIQRQRQR2YSE-03-1CC-72B1.000GLOBEASOCYESFCECEOFSPIQRQRQR2YSE-03-1DC-32B1.000GLOBEASOCYESFCECEOFSPIQRQRQR2YV-03002F-73C1.000CHECKAS/ACNOCV/0CSV-03003V-03004V-03005C-73C1.000CHECKAS/ACNOF-43C1.000CHECKAS/ACNOC-43C1.000CHECKAS/ACNOCV/0CV/0CV/0CSCSCSV-3211H-62C1.500RELIEFAS/ACNOSRV

FLORIDAPONERANDLIGHTCOHPANYVALVETABLESSaintLucieNuclearPlant-Onit2REVISION:1DATE:08/04/94PAGE:23'6ID:2998-G-078SH153SYSTEM:SAMPLINGSYSTEMACT.NORMREHFAILTESTRELIEFVALVENUMBERCOORD.CLCAT.SIZETYPEA/PTYPEPOS.INDMODEEXAMFREQREQ.REMARKSSE-05-1AG-72A0.375GLOBEASOCYESFCECQRFSQRPI2YSLT-12YSE-05-1BF-72A0.375GLOBEASOCYESFCECQRFSQRPI2YSLT-12YSE-05-1CE-72A0.375GLOBEASOCYESFCECFSPISLT-1QRQR2Y2YSE-05-1DC"72A0.375GLOBEASOCYESFCECFSPISlT"1QRQR2Y2YSE-05-1EG-52A0.375GLOBEASOCYESFCECFSPISLT-1QRQR2Y2YV-5200F-62A0.375GLOBEASOCYESFCECFSPISLT-1QRQR2Y2YV-5201E-62A0.375GLOBEASOCYESFCECFSPISLT-1QRQR2Y2YV-5202D-62A0.375GLOBEASOCYESFCECFSPISLT-1QRQR2Y2YV-5203F-52A0.375GLOBEASOCYESFCECFSPISLT-1QRQR2Y2Y

FLORIDAPOWERANDLIGHTCOMPANYVALVETABLESSaintLucieNuclearPlant-Unit2REVISION:1DATE:08/04/94PAGE:33P4ID:2998-G-082SYSTEM:INTAKECOOLINGWATERSYSTEMACT.NORMREMFAILVALVENUMBERCOORD.CLCAT.SIZETYPEA/PTYPEPOS.INDMODETESTRELIEFEXAMFREQREQ.REMARKSMV-21-2E-53B24.000BUTFLYAMO0YESFAIECQRPI2YMV-21-3E-43B24.000BUTFLYAMO0YESFAIECQRPI2YSR-21196SR-21243C-43C3.000RELIEFAS/ACNOSRVC-53C3.000RELIEFAS/ACNOSRVRFTCV-14-4AB-33B30.000BUTFLYAPO0NOFOEOFSQRQRTCV-14-4BB-43B30.000BUTFLYAPO0NOFOEOFSQRQRV-21162H-43C30.000CHECKAS/A0NOCV/CCV/0QRQRV-21205H-63C30.000CHECKAS/A0NOCV/CCV/0QRQRV-21208H-13C30.000CHECKAS/A0NOCV/CCV/0QRQR

FLORIDAPONERANDLIGHTCOMPANYVALVETABLESSaintLucieNuclearPlant-Unit2REVISION:1DATE:08/04/94PAGE:45P4ID:2998-G-092SH1SYSTEH:MISC.SAHPLINGSYSTEMSACT.NORMREHFAILVALVENUMBERCOORD.CLCAT.SIZETYPEA/PTYPEPOS.INDMODETESTRELIEFEXAMFREQREQ.REMARKSFCV-26-1G-22A1.000GLOBEADO0YESFCECQRFSQRPI2YSLT-12YFCV-26-2G-42A1.000GLOBEADO0YESFCECFSPISLT-1QRQR2Y2YFCV-26-3H-22A1.000GLOBEADO0YESFCECFSPISLT-1QRQR2Y2YFCV-26-4H-42A1.000GLOBEADO0YESFCECFSPISLT-1QRQR2Y2YFCV-26-5I-22A1.000GLOBEADO0YESFCECFSPISLT-1QRQR2Y2YFCV-26-61-42A1.000GLOBEADO0YESFCECFSPISLT"1QRQR2Y2YFSE-27-10B-132A0.375GLOBEASOCYESFCECEOFSPISLT-1QRQRQR2Y2YFSE-27-11C-132A0.375GLOBEASOCYESFCECEOFSPISLT-1QRQRQR2Y2Y

REVISIONl08/04/94AppendixDValveProgramRequestsforRelief Revision108/04/94RELIEFREQUESTNO.VR-1WITHDRAWN(Rev1,08/04/94)

Revision108/04/94RELIEFREQUESTNO.VR-2WITHDRAWN(Rev1,08/04/94)D-2 Revision108/04/94BYSX12L'ELIEFREQUESTNO.VR-3VariousVariousVariousThisisagenericrequestforreliefIf,forpower-operatedvalves,anincreaseinstroketimeof50%ormoreforvalveswithfull-stroketimeslessthanorequalto10secondsisobserved,thetestfrequencyshallbeincreasedtoonceeachmonthuntilcorrectiveactionistaken,atwhichtimetheoriginaltestfrequencyshallberesumed(IWV-3417(a))EIThestroketimemeasurementstakenduringtestingoffast-actingvalves(thoselessthan2seconds)aresubjecttoconsiderablevariationduetoconditionsunrelatedtothematerialconditionofthevalve(eg.testconditions,operatorreactiontime).InaccordancewithGenericLetter89-04,Position6,analternatemethodofevaluatingstroketimesisconsideredacceptable.ThestroketimeevaluationforthosevalvesdesignatedinthePlantTestProceduresas"fast-acting"willnotaccountforsuccessiveincreasesofmeasuredstroketimeperIWV-3417(a)withthechangeintestfrequencyasrequired.Inlieuofthis,theassignedmaximumlimitingvalueofstroketimewillbeestablishedat2seconds.Uponexceedingthe2-secondlimit,thevalvewillbedeclaredinoperableandcorrectiveactiontakeninaccordancewithIWV-3417(b).D-3 Revision108/04/94VAL'RCSafetyEvaluationofSt.LucieUnit2lnserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position6.D-4 Revision108/04/94RELIEFREQUESTNO.VR-4WITHDRAWN(Rev1,08/04/94)D-5 Revision108/04/94RELIEFREQUESTNO.VR-5WITHDRAWN(Rev1,08/04/94)D-6 Revision108/04/94RELIEFREQUESTNO.VR-6WITHDRAWN(Rev1,08/04/94)D-7 Revision108/04/94RELIEFREQUESTNO.VR-7WITHDRAWN(Rev1,08/04/94)D-8 Revision108/04/94RELIEFREQUESTNO.VR-8WITHDRAWN(Rev1,08/04/94)D-9 Revision108/04/94RELIEFREQUESTNO.VR-9WITHDRAWN(Rev1,08/04/94)D-10 Revision108/04/94RELIEFREQUESTNO.VR-10WITHDRAWN(Rev1,08/04/94)

Revision108/04/94RELIEFREQUESTNO.VR-11WITHDRAWN(Rev1,08/04/94)D-12 Revision108/04/94RELIEFREQUESTNO.VR-12WITHDRAWN(Rev1,08/04/94)D-13 Revision108/04/94RELIEFREQUESTNO.VR-13BEZEL'afetyInjection(2998-G-078Sh132)V-3215V-3225v-3235V-3245A/CThesevalvesopentoprovideflowpathsfromthesafetyinjectiontankstotheRCSandclosetoisolatethetanksfromthehighpressureofthereactorcoolantsystemandthesafetyinjectionheaders'ECheckvalvesshallbeexercisedatleastonceevery3months,exceptasprovidedbyIWV-3522.(IWV-3521)Fullstrokeexercisingofthesevalveswouldrequireinjectingfromatankundernominalpressureintoade-pressurizedreactorcoolantsystem.AtpoweroperationthisisnotpossiblebecausetheSITpressureisinsufficienttoovercomereactorcoolantsystempressure.TheinjetheTheinitintThetheonlypracticalmethodforflowtestingthesafetyctionheadercheckvalvesistodumpthecontentsofSITintothereactorcoolantsystemwhileinMode6.SITdumpisperformedbyestablishingadequateialconditionsofwaterlevelandnitrogenpressureheSITwithitsdischargeisolation'alveclosed.SITdischargeisolationvalveisthenopenedtodumpcontentsoftheSITtothetherefuelingcavity.

Revision108/04/94RELIEFREQUESTNO.VR-13(cont.)ThecheckvalvescannotbefullstrokedopenbypassingthemaximumrequiredaccidentconditionflowtosimulatetheLOCAflow.UnderalargebreakLOCAaccidentconditions,themaximum(peak)flowratethroughthesevalveswouldbeapproximately20,000gpm.Therequiredtestconditionsfordevelopingthisfullaccidentflowcannotbeestablished.TheSITdischargeisolationvalvesaremotoroperatedvalveswithanominalstroketimeof52seconds.Theresultingdischargeflowratewouldonlyincreasegraduallyduetothelongstroketimeofthedischargeisolationvalve.Theflowratewouldnotbeanywherenearthepeakblowdownrateof20,000gpmexpectedduringalargebreakLOCA.AnalysishasshownthatthecheckvalvescanbefullyexercisedopenwiththelowerthanaccidentconditionflowduringaSITdumptest.Non-intrusivetestequipmentemployingacousticandeddy-currenttechnologycanbeusedtoverifythecheckvalvesarestrokedfullyopenduringthesetests.Eachofthesevalvesareinstalledinidenticalorientationandexposedtothesameoperatingconditions.FP&Lhasreviewedtheoperatingandmaintenancehistoryofthesevalvesandsimilarvalvesusedthroughouttheindustryundercomparableconditions.Basedonthesereviews,thereisnoevidenceofvalvedegradationwithrespecttotheirabilitytoopen"andsatisfactorilypasstherequiredflow.Itisapparentfromthefailuredatathattheprimarymodeoffailureisrelatedtovalveleakagebothpasttheseatandexternalthroughthebody-bonnetandhingepingasketjoints.Itshouldalsobenotedthatthesevalvesarenotsubjectedtoanysignificantflowduringplantoperationaswellasmaintenanceperiods;thusitisunlikelythatthesevalveswouldexperienceanyservice-relateddamageorwear.D-15 Revision108/04/94RELIEFREQUESTNO.VR-13(cont.)Duringeachrefuelingoutage,eachofthesevalveswillbestrokedtofullyexercisethecheckvalvesopen.Non-intrusivetestequipmentemployingacousticandeddy-currenttechnologywillbeusedto'verifythecheckvalvesarestrokedfullyopenduringthesetests.Shouldthealternatetestingdescribedabovebedeterminedtobeimpracticaloranextremehardshipthefollowingwillbeperformedinplaceoftheabovedescribedtesting.Duringeachrefuelingoutage,eachofthesevalveswillbepartial-strokeexercised.Eachreactorrefuelingoutageatleastoneofthesevalveswillbedisassembled,inspected,andmanuallystrokedtoverifyoperability.Shouldavalveunderinspectionbefoundtobeinoperable,thentheothervalveswillbeinspectedduringthesameoutage,afterwhichtherotationalinspectionschedulewillbereinitiated.Assuranceofproperreassemblywillbeprovidedbyperformingapartial-flowtestpriortoreturningavalvetoservicefollowingdisassembly.ThealternatetestingdescribedinthisreliefrequesthasbeenrevisedtocomplywithNRCGenericLetter89-04,Positions1or2.

Revision108/04/94RELIEFREQUESTNO.VR-14ZXZZEK'afetyInjection(2998-G-078Sh132)V-3217V-3227V-3237V-3247A/CN'hesevalvesopentoprovideflowpathsfromthesafetyinjectionheaderstotheRCSandclosetoisolatetheheadersfromthehighpressureofthereactorcoolantsystem.Checkvalvesshallbeexercisedatleastonceevery3months,exceptasprovidedbyIWV-3522.(IWV-3521)Fullstrokeexercisingofthesevalveswouldrequireinjectingfromatankundernominalpressureintoade-pressurizedreactorcoolantsystem.AtpoweroperationthisisnotpossiblebecausetheSITpressureisinsufficienttoovercomereactorcoolantsystempressure.TheonlypracticalmethodforfullflowtestingofthesafetyinjectionheadercheckvalvesistodumpthecontentsoftheSITintothereactorcoolantsystemwhileinMode6.Shutdowncoolingflowratesarenotsuficienttofullyopenthevalves.TheSITdumpisperformedbyestablishingadequateinitialconditionsofwaterlevelandnitrogenpressureintheSITwithitsdischargeisolationvalveclosed.TheSITdischargeisolationvalveisthenopenedtodumpthecontentsoftheSITtothetherefuelingcavity.

Revision108/04/94RELIEFREQUESTNO.VR-14(cont.)ThecheckvalvescannotbefullstrokedopenbypassingthemaximumrequiredaccidentconditionflowtosimulatetheLOCAflow.Under'alargebreakLOCAaccidentconditions,themaximum(peak)flowratethroughthesevalveswouldbeapproximately20,000gpm.Therequiredtestconditionsfordevelopingthisfullaccidentflowcannotbeestablished.TheSITdischargeisolationvalvesaremotoroperatedvalveswithanominalstroketimeof52seconds.Theresultingdischargeflowratewouldonlyincreasegraduallyduetothelongstroketimeofthedischargeisolationvalve.Theflowratewouldnotbeanywherenearthepeakblowdownrateof20,000gpmexpectedduringalargebreakLOCA.AnalysishasshownthatthecheckvalvescanbefullyexercisedopenwiththelowerthanaccidentconditionflowduringaSITdumptest.Non-intrusivetestequipmentemployingacousticandeddy-currenttechnologycanbeusedtoverifythecheckvalvesarestrokedfullyopenduringthesetests.Eachofthesevalvesareinstalledinidenticalorientationandexposedtothesameoperatingconditions.FP&Lhasreviewedtheoperatingandmaintenancehistoryofthesevalvesandsimilarvalvesusedthroughouttheindustryundercomparableconditions.Basedonthesereviews,thereisnoevidenceofvalvedegradationwithrespecttotheirabilitytoopenandsatisfactorilypasstherequiredflow.Itisapparentfromthefailuredatathattheprimarymodeoffailureisrelatedtovalveleakage-bothpasttheseatandexternalthroughthebody-bonnetandhingepingasketjoints.D-18 Revision108/04/94RELIEFREQUESTNO.VR-14(cont.)ETETINDuringeachrefuelingoutage,eachofthesevalveswillbestrokedtofullyexercisethecheckvalvesopen.Non-intrusivetestequipmentemployingacousticandeddy-currenttechnologywillbeusedtoverifythecheckvalvesarestrokedfullyopenduringthesetests.Shouldthealternatetestingdescribedabovebedeterminedtobeimpracticaloranextremehardshipthefollowingwillbeperformedinplaceoftheabovedescribedtesting.Eachreactorrefuelingoutageatleastoneofthesevalveswillbedisassembled,inspected,andmanuallystrokedtoverifyoperability.Shouldavalveunderinspectionbefoundtobeinoperable,thentheothervalveswillbeinspectedduringthesameoutage,afterwhichtherotationalinspectionschedulewillbereinitiated.Assuranceofproperreassemblywillbeprovidedbyperformingapartial-flowtestpriortoreturningavalvetoservicefollowingdisassembly.RVAL'healternatetestingdescribedinthisreliefrequesthasbeenrevisedtocomplywithNRCGenericLetter89-04,Positions1or2.D-19 Revision108/04/94RELIEFREQUESTNO.VR-15WITHDRAWN(Rev1,08/04/94)D-20 Revision108/04/94RELIEFREQUESTNO.VR-16GXSX12LPrimaryContainmentValves6-inchesNPSandlargersubjecttoleakageratetestingper10CFR50,AppendixJ.A/C(CheckValves)A(Motor-operatedvalves)Eachofthesevalvesisdesignatedasacontainmentisolationvalvemaintainingtheleakrateintegrityoftheprimarycontainmentinthecaseofanaccident.Theleakagerateforvalves6-inchesnominalpipesizeandlargershallbeevaluatedperSubsectionIWV-3427(b).(IWV-3521)Theusefulnessofapplyingthisrequirementdoesnotjustifytheburdenofcompliance.ThispositionissupportedbytheGenericLetter89-04,Position10.Leakratetestresultsforcontainmentisolationvalvessix(6)inchesnominalpipesizeandgreaterwillbeevaluatedperIWV-3426andIWV-3427(a)however,therequirementsofIWV-3427(b)willnotbeapplied.ThissatisfiestherequirementsofGenericLetter89-04,Position10.D-21 Revision108/04/94RELIEFREQUESTNO.VR-16(cont.)VNRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position10.D-22 Revision108/04/94RELIEFREQUESTNO.VR-17WITHDRAWN(Rev0,07/16/93)D-23 Revision108/04/94RELIEFREQUESTNO.VR-18WITHDRAWN(Rev1,08/04/94)D-24 Revision108/04/94RELIEFREQUESTNO.VR-19WITHDRAWN(Rev1,08/04/94)D-25 Revision108/04/94RELIEFREQUESTNO.VR-20BXZGBL.ContainmentSpray(2998-G-088)V-07119V-07120Y'hesevalvesopentoprovideflowpathsfromtherefuelingwatertank(RWT)tothecontainmentsprayandsafetyinjectionsuctionheaders.Checkvalvesshallbeexercisedatleastonceevery3months,exceptasprovidedbyIWV-3522.(IWV-3521)FullstrokeexercisingofthesevalveswouldrequiresimultaneousoperationofoneHPSIpumpandoneLPSIpumpinjectingintotheRCS,andonecontainmentspraypumpinjectingintoitssprayheadertoverifythemaximumdesignaccidentflow.Suchatestisnotpracticalduringanyplantoperationalmodes.Duringquarterlypumptestingeachofthesevalveswillbepartial-strokeexercisedviarecirculationthroughtheminimumflowtestcircuitsofthevarioussystems.Thevalveswillalsobepartial-,strokeexercisedduringtheseriesofpumpsubstantialflowtestsandcheckvalveexercisesperformedeachrefuelingoutage.D-26 Revision108/04/94RELIEFREQUESTNO.VR-20(cont.)Duringeachreactorrefuelingoutageatleastoneofthesevalveswillbedisassembled,inspected,andmanuallystrokedtoverifyoperability.Shouldavalveunderinspectionbefoundtobeinoperable,thentheothervalvewillbeinspectedduringthesameoutage,afterwhichtherotationalinspectionschedulewillbere-initiated.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position2.D-27 Revision108/04/94RELIEFREQUESTNO.VR-21WITHDRAWN(Rev1,08/04/94)D-28 Revision108/04/94RELIEFREQUESTNO.VR-22BXZZE'2L',ContainmentSpray(2998-G-088)V-07172V-07174Thesevalvesopentoprovideflowpathsfromthecontainmentsumptothecontainmentsprayandsafetyinjectionsuctionheadersduring.recirculation.EICheckvalvesshallbeexercisedatleastonceevery3months,exceptasprovidedbyINV-3522.(IWV-3521)Therearenoprovisionsforfullorpartialflowexercisingthesevalves.Inordertopassfullflowthroughthesevalves,thecontainmentsumpmustbefloodedandfollowedbysimultaneousoperationofoneHPSIpumpinjectingintotheRCSandonecontainmentspraypumpinjectingintoitssprayheader.Suchatestisnotpracticalduringanyplantoperationalmode.Duringeachreactorrefuelingoutageatleastoneofthesevalveswillbedisassembled,inspected,andmanuallystrokedtoverifyoperability.Shouldavalveunderinspectionbefoundtobeinoperable,thentheothervalvewillbeinspectedduringthesameoutage,afterwhichtherotationalinspectionschedulewillberepeated.D-29 Revision108/04/94RELIEFREQUESTNO.VR-22(cont.)VNRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position2.D-30 Revision108/04/94RELIEFREQUESTNO.VR-23ContainmentSpray(2998-G-088)V-07192V-07193Thesevalvesopentoprovideflowpathsfromtherespectivecontainmentsprayheaderstothecontainmentsprayrings.Checkvalvesshallbeexercisedatleastonceevery3months,exceptasprovidedbyIWV-3522.(IWV-3521)Fullstrokeexercisingofthesevalveswouldrequireoperatingeachcontainmentspraypumpatnominalaccidentflowrate.Sinceexercisingthesevalvesthroughthenormalcontainmentsprayflowpathwouldresultinsprayingdownthecontainment,thisisconsideredimpractical.Sinceflowthroughthesevalvesisnotpossible,non-intrusivetestmethods,shouldtheybecomeapproved,wouldnotworkonthesecheckvalves.D-31 Revision108/04/94RELIEFREQUESTNO.VR-23(cont.)NTIDuringeachreactorrefuelingoutageatleastoneofthesevalveswillbedisassembled,inspected,andmanuallystrokedtoverifyoperability.Shouldavalveunderinspectionbefoundtobeinoperable,thentheothervalvewillbeinspectedduringthesameoutage,afterwhichtherotationalinspectionschedulewillbere-initiated.NRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position2.D-32 Revision108/04/94RELIEFREQUESTNO.VR-24WITHDRAWN(Rev1,08/04/94)D-33 Revision108/04/94RELIEFREQUESTNO.VR-25WITHDRAWN(Rev0,07/16/93)D-34 Revision108/04/94RELIEFREQUESTNO.VR-26WITHDRAWN(Rev0,07/16/93)D-35 Revision108/04/94RELIEFREQUESTNO.VR-27BXST32L',FeedwaterSystem(2998-G-080,Sh2)Nv-09303V-09304V-09305TY'hesevalvesopentoprovideflowpathsfromtheauxiliaryfeedwaterpumpdischargetothecondensatestoragetanktoensureadequatepumpcoolingduringlowflowconditions.Checkvalvesshallbeexercisedatleastonceevery3months,exceptasprovidedbyIWV-3522.(IWV-3521)Thereisnoflowrateinstrumentationavailabletoverifyvalvefull-strokeexercisingofthesevalvesasrequiredbyGenericLetter89-04,Position1.Duringquarterlypumptestingeachofthesevalveswillbepartial-strokeexercisedviarecirculationthroughtheminimumflowtestcircuitswithnoflowmeasurements.D-36 Revision108/04/94RELIEFREQUESTNO.VR-27(cont.)NTDuringeachreactorrefuelingoutageatleastoneofthesevalveswillbedisassembled,inspected,andmanuallystrokedtoverifyoperability,Shouldavalveunderinspectionbefoundtobeinoperable,thentheothertwovalveswillbeinspectedduringthesameoutage,afterwhichtherotationalinspectionschedulewillbere-initiated.NRCSafetyEvaluationofSt.LucieUnit2.InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position2.D-37 Revision108/04/94RELIEFREQUESTNO.VR-28WITHDRAWN(Rev1,08/04/94)D-38 Revision108/04/94RELIEFREQUESTNO.VR-29WITHDRAWN(Rev1,08/04/94)D-39 Revision108/04/94RELIEFREQUESTNO.VR-30GXZGBL.SafetyInjectionSystem(2998-G-078,Sh130)V-3102V-3103Thesevalvesopentoprovideformini-flowrecirculationflowpathsfromthehighpressuresafetyinjectionp'umpstotherefuelingwatertank.Thisminimumflowthroughtherespectivepumpsremovespumpheatintheeventofoperationunderlowornoflowconditions.Checkvalvesshallbeexercisedatleastonceevery3months,exceptasprovidedbyIWV-3522.(IWV-3521)FRELIEF'hereisnoinstalledflowrateinstrumentationavailabletoverifyvalvefull-strokeexercisingasrequiredbyGenericLetter89-04,Position1.Duringquarterlypumptestingeachofthesevalveswillbepartial-strokeexercised(open)viarecirculationthroughtheminimumflowtestcircuitswithnoflowmeasurements.D-40 Revision108/04/94RELIEFREQUESTNO.VR-30(cont.)Duringeachreactorrefuelingoutageatleastoneofthesevalveswillbedisassembled,inspected,andmanuallystrokedtoverifyoperability.Inspectionsshallbescheduledsuchthatvalveswillbecheckedinarotatingsequencesuchthateachvalveissubjecttoinspectionapproximatelyonceeverythree(3)years.Shouldavalvebefoundtobeinoperable,thentheothervalvewillbeinspectedduringthesameoutage,afterwhichtherotationalinspectionschedulewillberesumed.PPVAL'RCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position2.D-41 Revision108/04/94RELIEFREQUESTNO.VR-31MOGUL.MainSteam(2998-G-079,Sh1)V-08130v-08163.Thesevalvesopentosupplysteamtothe2CAuxiliaryFeedwaterPump(AFW)turbine.ThesevalvesclosetopreventunrestrictedreleaseofsteamfromanunaffectedsteamgeneratorintheeventofasteamlineruptureupstreamofanMSIV.MENCheckvalvesshallbeexercisedatleastonceevery3months,exceptasprovidedbyIWV-3522.(IWV-3521)Thereisnopracticalmeansorprovisionforpressurizingthepipingdownstreamofthesevalvesinordertoverifyclosureofthesevalves.LTDuringthequarterlytestofthe2CAFWpump,thesevalveswillbepartial-strokeexercised.Duringeachcoldshutdownoutagebothofthesevalveswillbefull-strokeexercisedduringtheAFWpumpsubstantialflowtests.D-42 Revision108/04/94RELIEFREQUESTNO.VR-31(cont.)ENATDuringeachreactorrefuelingoutageatleastoneofthesevalveswillbedisassembled,inspected,andmanuallystrokedtoverifyoperability.Shouldavalveunderinspectionbefoundtobeinoperable,thentheremainingothervalvewillbeinspectedduringthesameoutage,afterwhichtherotationalinspectionschedulewillbere-initiated.Followingvalvere-assemblynotestingispossible(partial-floworleaktesting)priortoplacingthevalvesinservice,thusnonewillbeperformed.VNRCSafetyEvaluationofSt.LucieUnit2InserviceTestingProgramReliefRequestsdatedMay2,1994,approvedthisreliefrequestpursuanttoNRCGenericLetter89-04,Position2.D-43 Revision108/04/94RELIEFREQUESTNO.VR-32WITHDRAWN(Rev1,08/04/94)D-44 Revision108/04/94WITHDRAWN(Rev1,08/04/94)D-45 Revision108/04/94RELIEFREQUESTNO.VR-34WITHDRAWN(Rev1,08/04/94)D-46 REVISIONl08/04/94AppendixEValveProgramColdShutdownJustifications REVISION108/04/94AppendixE:COLDSHUTDOWNJUSTIFICATIONSThisappendixisintendedtoprovidethejustificationforperformingvalveexercisingonlyatcoldshutdownconditionsaspermittedbyIWV-3412(a),3415and3522.Specificallyincludedinthiscategoryarethefollowing:Avalvewhosefailureinapositionotherthanitsnormalpositioncouldjeopardizetheimmediatesafetyoftheplantorsystemcomponents;Avalvewhosefailureinapositionotherthanitsnormalpositioncouldcausealltrainsofasafeguardsystemtobeinoperable;Avalvewhosefailureinapositionotherthanitsnormalpositionthatmightcauseatransientthatcouldleadtoaplanttrip;orWhentestrequirementsorconditionsareprecludedbysystemoperationoraccess.V-1460thruV-1466ReactorCoolantSystemGasVentsThesevalvesareadministrativelycontrolledinthekey-lockedclosedpositionwiththepowersupplydisconnectedtopreventinadvertentoperation.SincetheseareClass1isolationvalvesforthereactorcoolantsystem,failureofavalvetocloseorsignificantleakagefollowingclosurecouldresultinalossofcoolantinexcessofthelimitsimposedbyTechnicalSpecification3.1.3leadingtoaplantshutdown.Furthermore,ifavalveweretofailopenorvalveindicationfailtoshowthevalvereturnedtothefullyclosedpositionfollowingexercising,prudentplantoperationwouldprobablylikelyresultinaplantshutdowns REVISION108/04/94V-1474andV-1475Power-OperatedReliefValvesDuetothepotentialimpactoftheresultingtransientshouldoneofthesevalvesopenprematurelyorstickintheopenposition,itisconsideredimprudenttocyclethemduringplantoperationwiththereactorcoolantsystempressurized.V-2522LetdownLineContainmentIsolationValveClosingthisvalveduringoperationisolatestheletdownlinefromtheRCSandwouldresultinundesirablepressurizerleveltransientswiththepotentialforaplanttrip.Ifavalvefailedtoreopen,thenanunexpectedplantshutdownwouldberequired.V2177'2190'2191andV2526CVCSBoronAdditionValvesCV/POtestisaddressedinRefuelingOutageJustificationV-2501VolumeControlTankOutletValveCyclingthisvalveduringoperationofachargingpumpwouldisolatetheVCTfromthechargingpumpsuctionheaderdamaginganyoperatingchargingpumpsandinterruptingtheflowofchargingwaterflowtotheRCSwiththepotentialofRCStransientsandplanttrip.V-2505andV-2524RCPControlBleedoffIsolationValvesExercisingeitherofthesevalvestotheclosedpositionwhenanyofthereactorcoolantpumps(RCP's)areinoperationwouldinterruptflowfromtheRCPsealsandresultindamagetothepump(s).E-2 REVISION108/04/94SE-02-03andSE-02-04AuxiliaryPressurizerSprayValvesOpeningeitherofthesevalves(orfailureintheopenposition)duringplantoperationwouldcauseanRCSpressuretransientthatcouldpotentiallyadverselyaffectplantsafetyandleadtoaplanttrip.Inaddition,thepressurizerspraypipingwouldbesubjectedtoundesirablethermalshock.V-2431AuxiliaryPressurizerSprayCheckValveInordertotestthisvalve,eitherSE-02-03orSE-02-04mustbeopened.Openingeitherofthesevalves(orfailureintheopenposition)duringplantoperationwouldcauseanRCSpressuretransientthatcouldpotentiallyadverselyaffectplantsafetyandleadtoaplanttrip.Inaddition,thepressurizerspraypipingwouldbesubjectedtoundesirablethermalshock.V-2440ChargingPumpDischargeCheckValveToSafetyInjectionOpeningthisvalverequiresoperatingachargingpumpanddischargingintotheRCSviathesafetyinjectionnozzles.Thermalcyclingofthesafetyinjectionnozzlesisundesirableandshouldbeavoided.V-2515andV-2516LetdownLineIsolationValvesClosingthesevalvesduringoperationisolatestheletdownlinefromtheRCSandwouldresultinundesirablepressurizerleveltransientswiththepotentialforaplanttrip.Ifavalvefailedtoreopen,thenanunexpectedplantshutdownwouldberequired.V-2523ChargingLineIsolationValveClosingthisvalveduringoperationisolatesthechargingpumpsfromtheRCSandwouldresultin.undesirablepressurizerleveltransientswiththepotentialforaplanttripandpotentialdamagetothechargingpumps.Ifthevalvefailedtoreopen,thenanunexpectedplantshutdownwouldberequired.E-3 REVISION108/04/94V-3101SafetyInjectionSupplyToVolumeControlTankCV/POtestisaddressedinRefuelingOutageJustification.V-3106andV-3107LPSIPumpDischargeCheckValvesDuringnormalplantoperation,theLPSIPumpscannotdevelopsufficientdischargepressuretopumpthroughthesevalvestotheRCSandexercisethemintheopendirection.Thesevalveswillbepartialflowexercisedquarterlyandfullflowexercisedeachcoldshutdown.V-3414andV-3427HPSIPumpDischargeCheckValvesCV/POtestisaddressedinRefuelingOutageJustification.V-3522andV-3547HPSIHotLegInjectionCheckValveCV/POandCV/CtestsareaddressedinRefuelingOutageJustification.V-3113,V-3133,V-3143,andV-3766HPSIColdLegInjectionCheckValvesCV/POtestisaddressedinRefuelingOutageJustification.V-3114,V-3124,V-3134,andV-3144LPSIColdLegInjectionCheckValvesDuringnormalplantoperation,theLPSIPumpscannotdevelopsufficientdischargepressuretopumpthroughthesevalvestotheRCSandexercisethemintheopendirection.Theclosuretestscanonlybeperformedattheendoftheoutageafterthevalveshavebeenexercisedopenearlierbythepartialstrokeopentests.E-4 REVISION108/04/94V-3480,3481,3651,and3652ShutdownCoolingRCSIsolationValvesThesevalvesareprovidedwithelectricalinterlocksthatpreventopeningwheneverReactorCoolantSystempressureexceeds275psia.Thisprecludesexercisingthesevalvesinanyplantconditionotherthancoldshutdown.V3524'3525~V3526/V3527HPSIHotLegInjectionCheckValvesThesearesimplecheckvalveswithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureisbyperformingaleaktestorbackflowtest.PerformingleaktestsofV-3524andV-3526involvesaconsiderableeffort.Thetestconnectionforthesevalvesarelocatedinahighradiationareainthepipepenetrationroom,andoneofthetwoconnectionsislocatedover12feetabovethefloor.Testingduringoperationwouldconstituteanunreasonableburdenontheplantstaff.Theothercheckvalves,V-3525andV-3527,haveupstreampressurealarms.Shouldeithervalveleakby,thepressureinstrumentswoulddetecttheincreaseandalarminthecontrolroomwhenthealarmsetpointisexceeded.Leaktestingtoverifytheclosurecapabilityofthesevalvesisprimarilyforthepurposeofconfirmingtheircapabilityofpreventingover-pressurizationandcatastrophicfailureofthesafetyinjectionpipingandcomponents.Inthisregard,theSt.Lucie2TechnicalSpecification4.4.6.2.2addressesthevalvetestfrequencyinamannerappropriateforthesevalves.SatisfyingboththeTechnicalSpecificationandtheCodeacceptancecriteriaisnotwarrantedandimplementationwouldbedifficultandconfusing.Therefore,theclosurecapabilityofthesecheckvalvesshallbedemonstratedbyverifyingleakagetobewithinitslimitsduringcoldshutdownoutagesonlywhenanyofthefollowingconditionsaremet:Atleastonceper18months.2.PriortoenteringMODE2whenevertheplanthas=beeninCOLDSHUTDOWNfor72hoursormore~ifleakagetestinghasnotbeenperformedintheprevious9months.E-5 REVISION108/04/943.Priortoreturningthevalvetoservicefollowingmaintenance,repairorreplacementworkonthevalve.4.Followingvalveactuationduetoflowthroughthevalve.CV/POtestisaddressedinRefuelingOutageJustification.V-3545ShutdownCoolingCrossConnectValveThebreakerforthisvalveisrequiredtobedeenergizedexceptduringplantcoldshutdownorrefuelingmodestomeetpositionC.ltoRegulatoryGuide1.63revision2.Thisistoprotectthemechanicalintegrityofthevalveselectricalpenetrationassemblyshouldthemaximumshort-circuitvstimeconditionoccurgivensinglerandomfailureofcircuitoverloadprotectiondevices.V-03002thruV-03005SafetyInjectionTank(SIT)DrainLineCheckValvesExercisingthesevalvesrequiresdrainingofeachoftheSITs.ThisisnotconsideredtobeanappropriatenorprudentactivitytoperformduringplantoperationduetotheobvioussafetyissuesrelatedtoSITinventoryandchemistrycontrol.V-3215,V-3225,V-3235,andV-3245SafetyInjectionDischargeCheckValvesThesearesimplecheckvalveswithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureisbyperformingaleaktestorbackflowtest.Thesearesimplecheckvalveswithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureisbyperformingaleaktestorbackflowtest.Leaktestingtoverifytheclosurecapabilityofthesevalvesisprimarilyforthepurposeofconfirmingtheircapabilityofpreventingover-pressurizationandcatastrophicfailureofthesafetyinjectionpipingandcomponents.Inthisregard,theSt.Lucie2TechnicalSpecification4.4.6.2.2addressesthevalvetestfrequencyinamannerappropriateforthesevalves.SatisfyingboththeTechnicalSpecificationandtheCodeacceptancecriteriaisnotE-6 REVISION108/04/94warrantedandimplementationwouldbedifficultandconfusing.Therefore,theclosurecapabilityofthesecheckvalvesshallbedemonstratedbyverifyingleakagetobewithinitslimitsduringcoldshutdownoutagesonlywhenanyofthefollowingconditionsaremet:Atleastonceper18months.2.PriortoenteringMODE2whenevertheplanthasbeeninCOLDSHUTDOWNfor72hoursormore~ifleakagetesting'hasnotbeenperformedintheprevious9months.3.Priortoreturningthevalvetoservicefollowingmaintenance,repairorreplacementworkonthevalve.4,Followingvalveactuationduetoflowthroughthevalve.V-3217,V-3227,V-3237,andV-3247SafetyInjectionHeadertoRCSCheckValvesThesearesimplecheckvalveswithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureisbyperformingaleaktestorbackflowtest.Thesearesimplecheckvalveswithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureisbyperformingaleaktestorbackflowtest.Leaktestingtoverifytheclosurecapabilityofthesevalvesisprimarilyforthepurposeofconfirmingtheircapabilityofpreventingover-pressurizationandcatastrophicfailureofthesafetyinjectionpipingandcomponents.Inthisregard,theSt.Lucie2TechnicalSpecification4.4.6.2.2addressesthevalvetestfrequencyinamannerappropriateforthesevalves.SatisfyingboththeTechnicalSpecificationandtheCodeacceptancecriteriaisnotwarrantedandimplementationwouldbedifficultandconfusing.Therefore,theclosurecapabilityofthesecheckvalvesshallbedemonstratedbyverifyingleakagetobewithinitslimitsduringcoldshutdownoutagesonlywhenanyofthefollowingconditionsaremet:Atleastonceper18months'.PriortoenteringMODE2whenevertheplanthasbeeninCOLDSHUTDOWNfor72hoursormore~ifleakagetestinghasnotbeenperformedintheprevious9months.E-7 REVISION108/04/943.Priortoreturningthevalvetoservicefollowingmaintenance,repairorreplacementworkonthevalve.4.Followingvalveactuationduetoflowthroughthevalve.CV/POtestisaddressedinReliefRequestVR-14V-3258,V-3260,V-3259,andV-3261SafetyInjectionHeaderCheckValvesThesevalvesopentoprovideflowpathsfromthehigh/lowpressuresafetyinjectionheaderstotheRCSandclosetoisolatetheheadersfromthehighpressureofthereactorcoolantsystem.Sincenofullflowrecirculationpathexists,fullstrokeexercisingofthesevalveswouldrequireoperatingalowpressuresafetyinjection(LPSI)pumpatnominalaccidentflowrateandinjectingintothereactorcoolantsystem.AtpoweroperationthisisnotpossiblebecausetheLPSIpumpsdonotdevelopsufficientdischargepressuretoovercomereactorcoolantsystempressure.PartialflowexercisingofthesevalvesisperformedwheneveritsassociatedSITisrefilled.ThesevalvesarePressureIsolationValveswhichrequiresthattheyareverifiedclosedandleaktestedwithin24hoursfollowingflowthroughthem.TheacceptableSITlevelbandspecifiedbytheTechnicalSpecificationisverynarrow.TheSITsareonlyrefilledonanasneededbasis;therefore,thepartialflowtestcannotreadilybeincorporatedintoaquarterlytest.Thesearesimplecheckvalveswithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureisbyperformingaleaktestorbackflowtest.Leaktestingtoveri,fytheclosurecapabilityofthesevalvesisprimarilyforthepurposeofconfirmingtheircapabilityofpreventingover-pressurizationandcatastrophicfailureofthesafetyinjectionpipingandcomponents.Inthisregard,theSt.Lucie2TechnicalSpecification4.4.6.2.2addressesthevalvetestfrequencyinamannerappropriateforthesevalves'atisfyingboththeTechnicalSpecificationandtheCodeacceptancecriteriaisnotwarrantedandimplementationwouldbedifficultandconfusing.Therefore,theclosurecapabilityofthesecheckvalvesshallbedemonstratedbyverifyingleakagetobeE-8 REVISION108/04/94withinitslimitsduringcoldshutdownoutagesonlywhenanyofthefollowingconditionsaremet:Atleastonceper18months.2.3.PriortoenteringMODE2whenevertheplanthasbeeninCOLDSHUTDOWNfor72hoursormore~ifleakagetestinghasnotbeenperformedintheprevious9months.Priortoreturningthevalvetoservicefollowingmaintenance,repairorreplacementworkonthevalve.4,Followingvalveactuationduetoflowthroughthevalve.V-3614,V-3624,V-3634,andV-3644SITDischargeIsolationValvesStroketestingthesevalvesinthecloseddirectionduringnormaloperationisnotpossible.Thevalvesarenormallylockedopenwiththeirbreakeropened.AlsotheyareinterlockedwithpressurizerpressuretopreventthesevalvesfromclosingwithRCSpressure>276psia.Therefore,thevalvescannotbecycledexceptduringcoldshutdowns.V-3733thruV-3740SITVentValvesCyclinganyofthesevalvesduringnormalplantoperationwiththeSITspressurizedisundesirablesinceifavalveweretofailtore-closetheresultwouldbedepressurizationoftheaffectedSIT.V-6792NitrogenGasSupplyContainmentIsolationCheckValveThisisasimplecheckvalvewithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureistoperformabackleakagetest.Performingsuchatestrequiresentryintothecontainmentbuildingandthusisimpracticaltododuringplantoperations.E-9 REVISION108/04/94HCV-08-1A&BMainSteamIsolationValvesDuringplantoperationatpower,fullclosureofeitherofthesevalvesisnotpracticalasitwouldrequireisolatingasteamgeneratorwhichwouldresultinaseveretransientonthesteamandreactorsystemsandapossibleplanttrip.V-08130andV-08163Steam-DrivenAFNPumpSteamSupplyCheckValvesFullstrokeoperationofthesevalvesrequiresoperating2CAFWPumpandfullaccidentflowratewhichisnotpracticalduringplantoperationatpower.(SeeReliefRequestPR-4)HCV-09-1A&BandHCV-09-2A&BMainFeedwaterIsolationValvesDuringplantoperationatpower,closureofanyofthesevalvesisnotpracticalasitwouldrequireisolatingasteamgeneratorwhichwouldresultinaseveretransientonthesteamandreactorsystemsandaplanttrip.V-09107,09123,and09139AuxiliaryFeedwaterPumpDischargeCheckValvesFull-strokeexercisingofthesevalveswouldrequireoperationoftherelatedauxiliaryfeedwaterpumpandinjectionofcoldwater(85deg-F)intothehot(450deg-F)'eedwatersupplypiping.This,inturn,wouldresultinunacceptablethermalstressonthefeedwatersystempipingcomponents.V-09119,09135,09151,and09157AuxiliaryFeedwaterSupplyCheckValvesFull-strokeexercisingofthesevalveswouldrequireoperationofarelatedauxiliaryfeedwaterpumpandinjectionofcoldwater(85deg-F)intothehot(450deg-F)feedwatersupplypiping.This,inturn,wouldresultinunacceptablethermalstressonthefeedwatersystempipingcomponents.

REVISION108/04/94HCV-14-1,2,6&7RCPCoolingWaterSupply/ReturnIsolationValvesThesevalvesarerequiredtobeopentoensurecontinuedcoolingofreactorcoolantpumpauxiliarycomponentsandthecontrolroddrives.ClosinganyofthesevalvesduringplantoperationwouldresultinsevereRCPandCRDdamageleadingtoplantoperationinapotentiallyunsafemodeandasubsequentplantshutdown.HCV-14-3A&BShutdownHeatExchangerReturnValvesTestingeitherofthesevalvesduringplantoperationwouldresultinanunbalancedflowconditionintheaffectedCCWtrainanddecreasedflowtoessentialequipment.Thiscouldresultincomponentdamageoranundesirableplanttransient.V-181270ServiceAirContainmentIsolationCheckValveDuringnormalpoweroperation,theserviceairsupplytothecontainmentbuildingisisolated.Thecontainmentisolationvalves,HCV-18-2,isanormallyshutvalveusedtoisolatetheserviceairsysteminsidecontainment.Testingacheckvalveinanisolatedsectionofasystemisnotwarranted.Thecheckvalvewillbebackflowtestedduringcoldshutdownswhenthesectionoftheserviceairsysteminsidethecontainmentbuildingisinservice.Thisisasimplecheckvalvewithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureistoperformabackleakagetest.Performingsuchatestrequiresentryintothecontainmentbuildingandthusisimpracticaltododuringplantoperations.

REVISION108/04/94HCV-18-1PrimaryContainmentInstrument-AirSupplyClosingthisvalveisolatesoperatingairtocriticalcomponentsinthecontainmentbuildingincludingthepressurizersprayvalvesandCVCSletdownisolationvalvesandcouldcausesevereplanttransientsandaplanttrip.Failureintheclosedpositionwouldcauseaplantshutdown.V-27101andV-27102HydrogenSamplingReturnLineContainmentIsolationCheckValvesThisisasimplecheckvalvewithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureistoperformabackleakagetest.Performingsuchatestrequiresentryintothecontainmentbuildingandbreachingofthesystem,thusitisimpracticaltododuringplantoperations.FCV-25-1thruFCV-25-6PrimaryContainmentPurgeandVentValvesThesevalvesarerequiredtoremainclosedatalltimeswhentheplantisoperatinginModes1through4,thustheyarenotrequiredtooperate(close)duringoperationalperiods.Duetothelargesizeofthesevalvesandthepotentialfordamageasaresultoffrequentcycling,itisnotprudenttooperatethemmorethanisabsolutelynecessary.V-25-20andV-25-21ContainmentVacuumBreakersThesevalvescanonlybeexercisedmanuallyrequiringdirectaccesstoeachvalve.Sincethesevalvesarelocatedwithinthecontainmentbuilding,accessislimitedandnotroutinelypractical.

REVISION108/04/94AppendixFValveProgramRefuelingOutageJustifications REVISION108/04/94AppendixF:REFUELINGOUTAGEJUSTIFICATIONSThisappendixisintendedtoprovidethejustificationforperformingvalveexercisingonlyatrefuelingoutageconditionsaspermittedbyOM-10,'H4.3.2.2(d),(e),and(h)and'1[4.2.1.2(d),(e),and(h)Specificallyincludedinthiscategoryarethefollowing:Avalvewhosefailureinapositionotherthanitsnormalpositioncouldjeopardizetheimmediatesafetyoftheplantorsystemcomponents;Avalvewhosefailureinapositionotherthanitsnormalpositioncouldcausealltrainsofasafeguardsystemtobeinoperable;Avalvewhosefailureinapositionotherthanitsnormalpositionthatmightcauseatransientthatcouldleadtoaplanttrip;orWhentestrequirementsorconditionsareprecludedbysystemoperationoraccess.

REVISION108/04/94V-2177V-2190V-2191v-2526ChemicalandVolumeControl(2998-G-078,Sh121)V-2177andV-2526opentoprovideaflowpathforemergencyborationfromtheboricacidmakeuppumpstothesuctionofthechargingpumps.Likewise,V-2190openstoprovideaflowpathforemergencyborationviagravitydrainfromtheboricacidmakeuptankstothesuctionofthechargingpumps.ValveV-2191openstoprovideaflowpathfromtherefuelingwatertank(RWT)tothesuctionofthechargingpumpsasanalternatesupplyofboratedwaterforboration.Testingthesevalvesintheopendirectionrequirestheintroductionofhighlyconcentratedboricacidsolutionfromtheboricacidmakeuptankstothesuction.ofthechargingpumps.This,inturn,wouldresultintheadditionofexcessborontotheRCS.ArapidinsertionofnegativereactivitycouldresultinarapidRCScooldownanddepressurizationandpossiblyaplanttrip.Duringcoldshutdown,theintroductionofexcessquantitiesofboricacidintotheRCSisundesirablefromtheaspectofmaintainingproperplantchemistryandtheinherentdifficultiesthatmaybeencounteredduringthesubsequentstartupduetoover-borationoftheRCS.ThewastemanagementsystemwouldalsobeoverburdenedbythelargeamountsofRCScoolantthatwouldrequireprocessingtodecreasetheboronconcentration.Typically,theboronconcentrationisincreasedforshutdownmarginduringcooldownandpriortoreachingcoldshutdownconditions.Thisistheonlypracticaltimetoperformthepartialstrokeexercisetestsinceborationduringshutdownandstartupisundesirable.Intheeventthatcircumstancesprohibittestingduringcooldown,testingforthatcoldshutdownmaybedeferredtothenextcooldownevolution.F-2 REVISION108/04/94V-2443V-2444ChemicalandVolumeControl(2998-G-078,Sh121)Thesevalvesopentoprovideaflowpathfromtheboricacidmakeuppumpstotheemergencyborationheader.Theyclosetopreventrecirculationflowthroughanidlepump.Full-stroketestingthesevalvesrequiresoperatingtheboricacidmakeuppumpsatornearratedflowandverifyingCullaccidentflowthrougheachvalve.Suchtestingwouldcausetheintroductionofhighlyconcentratedboricacidsolutionfromtheboricacidmakeuptankstothesuctionofthechargingpumps.This,inturn,wouldresultintheadditionofexcessborontotheRCS.ThisrapidinsertionofnegativereactivitywouldresultinarapidRCScooldownanddepressurization.AlargeenoughboronadditionwouldresultinanunscheduledplanttripandapossibleinitiationofSafetyInjectionSystems.Duringcoldshutdown,theintroductionofexcessquantitiesofboricacidintotheRCSisundesirablefromtheaspectofmaintainingproperplantchemistryandtheinherentdifficultiesthatmaybeencounteredduringthesubsequentstartupduetoover-borationoftheRCS.ThewastemanagementsystemwouldbeoverburdenedbythelargeamountsofRCScoolantthatwouldrequireprocessingtodecreaseitsboronconcentration.AsecondcircuitthatcirculateswatertotheVCThasflowratemeasuringinstrumentationinstalledhoweveritislimitedtoapproximately30gpm.Duringanaccident,eitherpump'sdischargecheckvalvemustbeabletopassaminimumflowcapableofmatchingthedemandofthetworunningchargingpumps(greaterthan80gpm.).F-3 REVISION108/04/94V-07000V-07001SafetyInjection(2998-G-078Sh130)ThesevalvesopentoprovideflowpathsfromtheRWTtothesuctionoftheassociatedlow-pressuresafetyinjectionpump.FullstrokeexercisingthesevalvestotheopenpositionrequiresinjectionintotheRCSviatheLPSIpumps.DuringplantoperationthisisprecludedbecausetheLPSIpumpscannotdevelopsufficientdischargepressuretoovercomeprimarysystempressure.Atcoldshutdown,theshutdowncoolingsystemcannotprovidesufficientletdownflowtotheRWTtoaccommodatefulldesignflowfromtheRWTwhilemaintainingthenecessarycorecoolingfunction.Thus,theonlypracticalopportunityfortestingthesevalvesisduringrefuelingoutageswhenwaterfromtheRWTisusedtofilltherefuelingcavity.

REVISION108/04/94V-3101GXSX12L'.SafetyInjection(2998-G-078Sh130)Thisvalveopenstoprovidea.flowpathforboratedwaterfromthesafetyinjectiontanks(SIT's)tothevolumecontroltank(VCT)toprovidesufficientwaterinventoryforplantcooldownshouldtherefuelingwatertank(RWT)becomeunavailable.TransferringthelargequantityofwaterfromaSITtotheVCTneededtoverifyfullstrokewouldresultinasignificantincreaseoftheboronconcentrationwithintheVCTandinthechargingsystemmakeuptothereactorcoolantsystem(RCS)aswell.Duringnormalplantoperation,anyincreaseoftheVCTboronconcentrationcouldresultintheexcessiveboronconcentrationintheRCSalongwiththeinsertionofnegativereactivity.Ultimately,theRCSwouldexperiencecooldownanddepressurizationwiththepotentialforaplanttrip.Duringcoldshutdown,the,introductionof'xcessquantitiesofboricacidintotheRCSisundesirablefromtheaspectofmaintainingproperplantchemistryandtheinherentdifficultiesthatmaybeencounteredduringthesubsequentstartupduetoover-borationoftheRCS.Thewastemanagementsystemcouldalsobeoverburdenedbythelargeamountsof.RCScoolantthatwouldrequireprocessingfollowingdilutionactivities.Duringcoldshutdown,transferringalimitedquantityofwater(lessthanthatneededtoconfirmfullstroke)fromaSITispractical.F-5 REVISION108/04/94V-3104V-3105BYSXJ'SafetyInjectionSystem(2998-G-078,Sh130)Thesevalvesopentoprovideformini-flowrecirculationflowpathsfromthelowpressuresafetyinjectionpumpstotherefuelingwatertank.Thisminimumflowthroughtherespectivepumpsremovespumpheatintheeventtheyareoperatingunderlowornoflowconditions.Thevalvesclosetopreventrecirculationthroughtheidlepump,andtopreventoverpressurizationoftheLPSIpipingfromthedischargepressureoftheHPSIpump.Thereisnoflowrateinstrumentationavailabletoverifyvalvefull-strokeexercisingasrequiredbyGenericLetter89-04,Position1.Duringquarterlypumptestingeachofthesevalveswillbepartial-strokeexercised(open)viarecirculationthroughtheminimumflowtestcircuitswithnoflowmeasurements.Duringreactorrefuelingoutagesthesetwovalvescanbeflowtested.Thetestwillcalculatetheflowthroughthemini-flowlinebydrainingthereactorcoolantsystemthroughthelinewhileobservingthepressurizerleveldroporrefuelingwatertanklevelincrease.Thelevelchangedividedbythetimecanbeusedtoverifythefullflowexerciseofthetwocheckvalves'-6 REVISION108/04/94V-3401V-3410SYZZEZL.SafetyInjection(2998-G-078Sh130)ThesevalvesopentoprovideflowpathsfromtheRWTandthecontainmentsumptothesuctionoftheassociatedhigh-pressuresafetyinjectionpumps(HPSI).FullstrokeexercisingthesevalvestotheopenpositionrequiresinjectionviatheHPSIpumpsintotheRCS.DuringplantoperationthisisprecludedbecausetheHPSIpumpscannotdevelopsufficientdischargepressuretoovercomeprimarysystempressure.Duringcoldshutdownconditions,operationoftheHPSIpumpsisrestrictedtoprecludeRCSsystempressuretransientsthatcouldresultinexceedingthepressure-temperaturelimitsspecifiedintheTechnicalSpecifications,Section3.4.9.F-7 REVISION108/04/94V-3414V-3427BX.~ZSafetyInjection(2998-G-078Sh130)ThesevalvesopentoprovideflowpathsfromtherespectiveHPSIpumpstothehigh-pressuresafetyinjectionheaders.Theyclosetopreventrecirculationthroughanidlepump.FullstrokeexercisingthesevalvestotheopenpositionrequiresinjectionintotheRCSviatheHPSIpumps.DuringplantoperationthisisprecludedbecausetheHPSIpumpscannotdevelopsufficientdischargepressuretoovercomeprimarysystempressure.Duringcoldshutdownconditions,fullflowoperationoftheHPSIpumpsisrestrictedtoprecludeRCSsystempressuretransientsthatcouldresultinexceedingthepressure-temperaturelimitsspecifiedintheTechnicalSpecifications,Section3.4.9.Partialflowexercisingofthesevalvescanbeperformedbyoneofthefollowingtwomethods:whentheHPSIpumpisusedtorefillaSITorwhenaHPSIpumpisrecirculatedbackthroughtheSITtoRWTdrainline.Partial-strokeexercisingthecheckvalvesbyfillingaSITcannotreadilybeusedbecausetheacceptableSITlevelband,specifiedbytheTechnicalSpecifications,isverynarrow.TheSITareonlyrefilledonanasneededbasis;therefore,thepartialflowtestcannotreadilybeincorporatedintoaquarterlytest.Partial-strokeexercisingofthesecheckvalvesquarterlycannotbeperformedbyusingtheSITtoRWTdrainline.Thismethodrequiresthatthecontainmentisolationvalves,oneofthemamanualvalve,be'openedtocompletetheflowpath.Thiswouldconstituteabreachofcontainmentintegrity,asdefinedinTechnicalSpecifications3.6.1.1,andthereforeuseofthisflowpathisprecludedinModes1,2,3,and4.F-8 REVISION108/04/94v-3522V-3547SYST1~SafetyInjection(2998-G-078Sh130)Thesevalvesopentoprovideflowpathsfromthehigh-pressuresafetyinjectionpumpstotheRCSforhot-leginjection.Shouldthenormalchargingheaderbecomedisabled,thesevalvesarerequiredtoclosetodirectchargingflowtotheRCSviatheHPSIheaders.Fullstrokeexercisingofthesevalveswouldrequireoperatingahighpressuresafetyinjection(HPSI)pumpandinjectingintothereactorcoolantsystemthroughthehotleginjectionsystem.AtpoweroperationthisisnotpossiblebecausetheHPSIpumpsdonotdevelopsufficientdischargepressuretoovercomereactorcoolantsystempressure.Duringcoldshutdownconditions,fullflowoperationoftheHPSIpumpsisrestrictedtoprecludeRCSsystempressuretransientsthatcouldresultinexceedingthepressure-temperaturelimitsspecifiedintheTechnicalSpecifications,Section3.4.9.Partial-strokeexercisingofthesecheckvalvesquarterlycannotbeperformedbyusingtheSITtoRWTdrainline.Thismethodrequiresthatthecontainmentisolationvalves,oneofthemamanualvalve,beopenedtocompletetheflowpath.Thiswouldconstituteabreachofcontainmentintegrity,asdefinedinTechnicalSpecifications3.6.1.1,andthereforeuseofthisflowpathisprecludedinModes1,2,3,and4.Theclosuretestscanonlybeperformedattheendoftheoutageafterthevalveshavebeenexercisedopenearlierbythepartialstrokeopentests.F-9 REVISION108/04/94V-3113V-3133V-3143V-3766BYE~SafetyInjection(2998-G-078Sh131)Thesevalvesopentoprovideflowpathsfromthehigh-pressuresafetyinjectionheaderstotheRCS.Fullstrokeexercisingofthesevalveswouldrequireoperatingahighpressuresafetyinjection(HPSI)pumpatnominalaccidentflowrateandinjectingintothereactorcoolantsystem.AtpoweroperationthisisnotpossiblebecausetheHPSIpumpsdonotdevelopsufficientdischargepressuretoovercomereactorcoolantsystempressure.Duringcoldshutdownconditions,fullflowoperationoftheHPSIpumpsisrestrictedtoprecludeRCSsystempressuretransientsthatcouldresultinexceedingthepressure-temperaturelimitsspecifiedintheTechnicalSpecifications,Section3.4.9.PartialflowexercisingofthesevalvesisperformedwheneveritsassociatedSITisrefilled.TheacceptableSITlevelbandspecifiedbytheTechnicalSpecificationisverynarrow.TheSITsareonlyrefilledonanasneededbasis;therefore,thepartialflowtestcannotreadilybeincorporatedintoaquarterlytest.Partial-strokeexercisingofthesecheckvalvesquarterlycannotbeperformedbyusingtheSITtoRWTdrainline.Thismethodrequiresthatthecontainmentisolati'onvalves,oneofthemamanualvalve,beopenedtocompletetheflowpath.Thiswouldconstituteabreachofcontainmentintegrity,asdefinedinTechnicalSpecifications3.6.1.1,andthereforeuseofthisflowpathisprecludedinModes1,2,3,and4.

REVISION108/04/94V-3524v-3525V-3526V-3527GYKXK'afetyInjection(2998-G-078Sh131)Thesevalvesopentoprovideflowpathsfromthehigh-pressuresafetyinjectionpumpstotheRCSforhotleginjectionandclosetoisolatethesafetyinjectionheadersfromthehighpressureofthereactorcoolantsystem.Fullstrokeexercisingofthesevalveswouldrequireoperatingahighpressuresafetyinjection(HPSI)pumpatnominalaccidentflowrateandinjectingintothereactorcoolantsystem.AtpoweroperationthisisnotpossiblebecausetheHPSIpumpsdonotdevelopsufficientdischargepressuretoovercomereactorcoolantsystempressure.Duringcoldshutdownconditions,fullflowoperationoftheHPSIpumpsisrestrictedtoprecludeRCSsystempressuretransientsthatcouldresultinexceedingthepressure-temperaturelimitsspecifiedintheTechnicalSpecifications,Section3.4.9.Partial-strokeexercisingofcheckvalvesV-3524andV-3526quarterlycannotbeperformedbyusingtheSITtoRWTdrainline.Thismethodrequiresthatthecontainmentisolationvalves,oneofthemamanualvalve,beopenedtocompletetheflowpath.Thiswouldconstituteabreachofcontainmentintegrity,asdefinedinTechnicalSpecifications3.6.1.1,andthereforeuseofthisflowpathisprecludedinModes1,2,3,and4.

REVISION108/04/94BEEZER'akeupWater(2998-G-084)V-15328Thisvalveclosestoprovideprimarycontainmentforthepenetrationrelatedtothemakeupwatersupplylinetothecontainmentbuilding.Thisisasimplecheckvalvewithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureisbyperformingaleaktestorbackflowtest.Performingsuchatestdemandsthatthemakeupwatersupplylinebeisolated.Thiseffectivelyisolatesthesolesupplyoffirewatertothecontainmentwhichisunacceptableunderanyplantconditions.Thus,priortoleaktestinginthismanneranalternatefirewatersourcemustbeestablishedbyriggingseveraltemporaryfirehosesthroughthemaintenancehatchtothevariousfirefightingstationsinthecontainmentbuilding.Thisisnotpossibleduringnormaloperationwhenprimarycontainmentisrequiredand.wouldconstituteanundueburdenonplantpersonnelduringcoldshutdowns.F-12 REVISION108/04/94V-18195InstrumentAir(2998-G-085,Sh2)Thisvalveclosestoprovideprimarycontainmentforthepenetrationrelatedtotheinstrumentairsupplylinetothecontainmentbuilding.Thisisasimplecheckvalvewithnoexternalmeansofpositionindication,thustheonlypracticalmeansofverifyingclosureisbyperformingaleaktestorbackflowtest.Suchatestnecessitatesisolationofallinstrumentairtothecontainment.Thereareover50valves,instruments,andcontrollerssuppliedbythisoneline.Duringanormalrefuelingoutagewhenleaktestingisnormallyperformed,analternateinstrumentaircompressormustbeconnectedtotheisolatedsectionoftheinstrumentairlineinordertosupplyairtocriticalair-operatedcomponents.Thesupplyhosefromtheaircompressortotheinstrumentairlineistypicallyroutedthroughthecontainmentmaintenancehatch.Duringnormalplantoperationthisisnotpracticalduetothemanycriticaloperationalcomponentssuppliedbytheinstrumentairsystem,therequirementtomaintainprimarycontainmentintegrity,andthepotentialforunacceptableplanttransients.Duringcoldshutdown,theactivitiesassociatedwithentryintothecontainmentbuilding,securingallinstrumentairinsidethecontainment,andopeningthemaintenancehatchtoprovidethealternateairsupplyareextensiveandwouldlikelyresultinanextensionofanyinterimoutage(coldshutdownperiod).Thustestingthisvalveduringcoldshutdownperiodsisconsideredtobeanunreasonableburdenontheplantstaffandnotcommensuratewiththepotentialgaininplantsafetyaffordedbyperformanceofthistest.

REVISION108/04/94V-07129V-07143GYGXlRL'ontainmentSpray(2998-G-088)Thesevalvesopentoprovideflowpathsfromtherespectivecontainmentspraypumptothecontainmentsprayheaders.Fullstrokeexercisingofthesevalveswouldrequireoperatingeachcontainmentspraypumpatnominalaccidentflowrate.Exercisingthesevalvesviathenormalcontainmentsprayflowpathwouldresultinsprayingdownthecontainment-anunacceptableoption.Theonlyotherpracticalflowpathavailableforsuchatestrequirespumpingwaterfromtherefuelingwatertank(RWT)tothereactorcoolantsystem(RCS)viatheshutdowncoolingloops.Duringplantoperation,thecontainmentspraypumpscannotdevelopsufficientdischargepressuretoovercomeRCSpressure.Atcoldshutdown,theshutdowncoolingsystemcannotprovidesufficientletdownflowtotheRWTtoaccommodatefulldesignflowfromtheRWTwhilemaintainingthenecessarycorecoolingfunction.F-14 REVESXON108/04/94BYSZl~H'ontainmentSpray(2998-G-088)V-07256V-07258ThesevalvesopentoprovideflowpathsfromtheHydrazinepumpstotherespectivecontainmentspraypumpsuctionheader.Testingthesevalvesusingtheonlyflowpathavailable(viatheHydrazinepumps)wouldcontaminatethecontainmentspraysystemandrefuelingwatertankwithHydrazine.EachoftheHydrazinepumpsdischargethroughitscheckvalveintothesuctionpipingofitscontainmentspraypump.TheHydrazinewouldthenbepumpedtotheRWTduringthequarterlycontainmentspraypumpCodetestusingthemini-flowrecirculationline.ContinuedtestingwouldbuilduptheconcentrationofHydrazineintheRWTanddepletethelevelinitsstoragetankHydrazineisaknowncarcinogen,withcumulativetoxicaffectswhenabsorbedthroughtheskin,inhaled,oringested.HydrazinebuildupintheRWTisundesirabledototheincreasedpotentialforexposingpersonneltothechemicalorreleasingittotheenvironment.PersonnelwouldadditionallybeexposedtoHydrazinewhilerestoringlevelinthetank.DuetothepersonnelhazardsassociatedwithhandlingthehazardouschemicalHydrazine,testingquarterlyorduringcoldshutdownsisimpractical.F-15