IR 05000335/1996201

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Forwards Schedule for Completion of Corrective Actions Planned for Ifis & Ufis in Response to NRC Insp Repts 50-335/96-201 & 50-389/96-201
ML17309A887
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 05/27/1997
From: STALL J A
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
50-335-96-201, 50-389-96-201, L-97-139, NUDOCS 9706030192
Download: ML17309A887 (14)


Text

~cATEGoRY10REGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)CCESSIONNBR:9706030192DOC.DATE:97/05/27NOTARIZED:NOACIL:50-335St.LuciePlant,Unit1,FloridaPower&LightCo.50-389St.LuciePlant,Unit2,FloridaPower&LightCo.AUTH.NAMEAUTHORAFFILIATIONSTALLiJ.A.FloridaPower&LightCo.RECIP.NAMERECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)DOCKETg0500033505000389

SUBJECT: ForwardsscheduleforcompletionofcorrectiveactionsforIFIs&URIsnotedininsprepts50-335/96-201&50-389/96-201on961118-970110.DISTRZSUTIONCODE:TEOIDCOPIESRECEIVED:LTR1ENCLgSIZE:TITLE:,General(50Dkt)-InspRept/NoticeofViolationResponseNOTES:EINTERNAL:RECIPIENTIDCODE/NAMEPD2-3PDACRSAEODTTCCENTEHHFBNRR/DRPM/PERBOEDIRRGN2FILE01COPIESLTTRENCL1122111111111111RECIPIENTIDCODE/NAMEWIENSIL.AEOD/SPD/RABDEDRONRR/DISP/PIPBNRR/DRPM/PECBNUDOCS-ABSTRACTOGC/HDS3COPIESLTTRENCL11111111111111YEXTERNAL:LITCOBRYCEEJHNRCPDR1111NOACNUDOCSFULLTF71111D0UMENNOTETOALL"RIDS"RECIPIENTS:PLEASEHELPUSTOREDUCEWASTE.TOHAVEYOURNAMEORORGANIZATIONREMOVEDFROMDISTRIBUTIONLISTSORREDUCETHENUMBEROFCOPIESRECEIVEDBYYOUORYOURORGANIZATION,CONTACTTHEDOCUMENTCONTROLDESK(DCD)ONEXTENSION415-2083TOTALNUMBEROFCOPIESREQUIRED:LTTR20ENCL20 FloridaPower&LightCompany,6501SouthOceanDrive,JensenBeach,FL34957May27,1997L-97-13910CFR50.4U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555RE:St.LucieUnits1and2DocketNos.50-335/389Reference:NRCInspectionReportNos.50-335/96-201and50-389/96-201FromNovember18,1996throughJanuary10,1997,theNRCperformedadesigninspectionoftheSt.LucieUnit1AuxiliaryFeedWater(AFW)systemandtheSt.LucieUnit2ComponentCoolingWater(CCW)system.Thepurposeoftheinspectionwastoevaluatethecapabilityoftheinspectedsystemstoperformtheirrequireddesignbasisfunctions,toadheretothedesignandlicensingbasis,andtoconformtotheUFSAR.Theinspectionresultsweredocumentedintheabovereference.Includedinattachment1totheinspectionreportisalistingofinspectorfollow-upandunresolveditems.InresponsetotheNRCreport,attachedisthescheduleforcompletionofthecorrectiveactionsplannedfortheIFIsandURIs.IPleasecontactusifthereareanyquestionsaboutthissubmittal.Verytrulyyours,J.A.StallVicePresidentSt.LuciePlantJAS/KWFcc:RegionalAdministrator,RegionII,USNRCSeniorResidentInspector,USNRC,St.LuciePlantRobertM.Gallo,SpecialInspectionBranch,NRR9706030192970527PDRADOCK050003358PDRilLiliIlllIlill)iilIlllllllklllIllanFPLGroupcompany 0

L-97-139AttachmentPage1AEAUDITIFI/URICOMPLETIONSCHEDULE/STATUSIFI50-335/96-201-01CondensateStorageTank(CST)VolumeRequirementsStatus:1.TheCSTvolumerequirementswillbereviewedandthecalculationsrevisedasnecessary.Thecurrent-U1and2CSTTechnicalSpecificationvolumerequirementswillbereviewed,basedonthecalculations,andaProposedLicenseAmendment(PLA),ifrequired,willbesubmittedbyDecember5,1997.2~3.TheUFSARandDesignBasesDocument(DBD)changepackageswillbedevelopedtoreflectthenewcalculationsandassumptionsbyJanuary31,1998.ThePlantproceduresandEmergencyOperatingProcedures(EOPs)willbereviewedandrevisedtoreflectthenewcalculationsbyApril30,1998.IFI50-335/96-201-02CalculationsandIndicationforAuxiliaryFeedWater(AFW)FlowStatus:AllcalculationsandrequiredmodificationswillbecompletedbytheendoftheFallUnit1Cycle15Refuelingoutage.IFI50-335/96-201-03AFWCrosstieNetPositiveSuctionHeadAvailable(NPSHA)CalculationStatus:ThecalculationtodocumenttheexactNPSHAfortheUlAFWpumpswhentakingsuctionfromtheU1andU2CSTwillbecompletedbySeptember30,1997.IFI50-335/96-201-04CalculationRevisionforAFWPipingSupportsStatus:1.Thecontainmentcheckvalvetestingprocedure(1-0700050,Rev.60)wasrevisedtoincludetestingofAFWcheckvalveseveryoutage.Thisactivity'scomplete.2.ThereviewoftheAFWsystempipingandsupportswillbecompletedbyFebruary28,199 L-97-139AttachmentPage2URI50-335/96-201-05EnvironmentalQualification(EQ)ofWoodwardGovernorControlsBackground:TheTerryTurbineGovernorControlpanelislocatedintheturbinepumpareaunderneaththemainsteamandfeedwatertrestle.EQDocumentationPackage(DocPack)1000discussesafeedwaterormainsteamhighenergybreakinthisarea.Thisbreakwouldmaketheareaaharshenvironmentasdefinedin10CFR50.49andwouldrequirethattheequipmentbequalifiedforitsoperatingenvironmentbyeithertestingoranalysis.TheA/Einspectionteamdeterminedthat10CFR50.49requiresenvironmentalqualificationoftheTerryTurbineGovernorControl.Response:ThelicensingbasisfortheEQqualificationrequirementsoftheTerryTurbineGovernorControlwasresearchedanddocumentedinConditionReport(CR)97-0046.TheMainSteamandAuxiliaryFeedwaterSystemswereevaluatedaspartofIEBulletin79-01B.IntheFPLresponsedatedSeptember30,1981,FPLstatedthatthesteamtrestlewasanoutdoorareaandthatwhenconsiderationwasmadeofthepostulatedMSLBandthesizeoftheequipmentventreliefareacomparedwiththecompartmentvolumeitwouldleadtotheconclusionthatthepressurespikewouldbedissipatedalmostimmediately.Theresultantairtemperaturespikewouldbeofveryshortdurationsuchthattheequipmentwouldnotineffectexperienceaharshenvironment.TheFranklinResearchCenter,ascontractorfortheNRCtoreviewthe79-01BEQfiles,agreedwithFPLandindicatedintheirTechnicalEvaluationReportdatedFeb28,1983thattheequipmentinthesteamtrestleareawasina"mild"environmentandoutsidethescopeofIEB79-01B.TheNRCprovidedtheirconcurrenceintheSafetyEvaluationforEnvironmentalQualificationofSafety-RelatedElectricalEquipmentdatedApril21,1983.Status:Thisitemiscomplete.FullFlowTestingofAFWCrosstieIFI50-335/96-201-06Status:'.TheUnit2toUnit1CSTcrossconnectvalveswillbeincludedintheASMESectionXItestprogramandproceduresbyJune30,199 L-97-139AttachmentPage32~AfullflowtestoftheCSTcrosstiewillbeperformedduringtheUnit1Cycle15refuelingoutage.URI50-335/96-201-07LackofTestingandOperatingProceduresforDCBreakerCrosstiesBackground:FPLidentifiedanissueconcerningalackofproceduresandtestingforswitchingDCcontrolpowertotheturbinedrivenAFWpumpduringtheUFSARaccuracyreview.OperatingprocedureshadnotbeenwrittentoperformatransferofDCcontrolpower,asnecessarytoisolateafailedDCbusorbattery.Additionally,theundervoltagetripfeatureofthefourcircuitbreakersusedtocompletethetransferofDCpowerhadneverbeentested.Therefore,theteamfeltthatFPLfailedtoestablishoperatingandtestingproceduresasnecessarytoensuretheoperabilityoftheDCbustiebreakersinaccordancewith10CFR50,AppendixB,CriterionXI.Response:FPLconcursthattheaboveproblemstatementisessentiallycorrect.However,thisconditionwasself-identifiedbyFPLaspartoftheUFSARaccuracyreview.CorrectiveactionswereplannedandarebeingimplementedinaccordancewithCRs96-2825and96-2507,andLER96-016.Status:2~ArotatingPMscheduletomonitormoldedcasecircuitbreakersforagerelateddegradationwasestablishedandthisitemiscomplete.The4Unit2DCtiebreakersweretested,and104ofthesafetyrelatedDCmoldedcasecircuitbreakersweretestedduringtheUnit2Cycle10refuelingoutage.Thisitemiscomplete.3.EOPs1-EOP-02,1-EOP-06,and1-EOP-15willberevisedtoincludedirectionsforperformingDCbusrealignmentsbyJune30,1997.4~Surveillance/maintenanceschedulesfortheUnit1and2DCcrosstiebreakerswillbedevelopedbySeptember15,1997.5.The4Unit1DCtiebreakerswillbetestedduringtheUnit1Cycle15refuelingoutag L-97-139AttachmentPage4Background:URI50-335/96-201-08InadequateTroubleshootingDocumentationThefirsttestoftheundervoltagetripfeatureofthefourcircuitbreakersusedtocompletethetransferofDCpowerfailed.Theoriginaltestprocedurewrittenforoperationstoperformthetestwaswellwrittenandreceivedanappropriatelevelofreview.Uponfailureofthebreakertofunctionduringthetest,additional,testingandtroubleshootingwerenotperformedbyprocedure,butrather,byscopechangestotheoriginalplantworkorder.Therefore,theteamfeltthatFPLfailedtoensureappropriateprocedureswereusedforactivitiesaffectingqualityinaccordancewith10CFR50,AppendixB,CriterionV,andalsofailedtoperformtestingbywrittenproceduresinaccordancewith10CFR50,AppendixB,CriterionXI.Response:Theoriginalplantworkorder'sscopewaschangedtoallowtroubleshootingoftheundervoltagedevicewiththebreakerinstalled,viceremoved,fromtheswitchgear.Thetroubleshootingandtestingperformedbytheplantworkorderwaswellwithintheskillofthecraft.Closesupervisionwasprovidedduringallphasesoftheplantworkorder.Allapplicabletestingrequirements(forexamplepurpose,requirements,acceptancecriteria,etc.)wereaddressedwithinthescopechange,eventhoughthestrictterminologyandformatofaformaltestprocedurewerenotused.However,apotentialweaknesswasidentifiedinthatthetroubleshootinginstructionscouldhavecontainedmoredetailtoensureconsistenttroubleshootingfromshifttoshift.ThedispositiontoCR96-2825documentsthattheaddedscopechangewaswithintheskillofthecraft,andclosesupervisionwasprovidedthatreducedtheneedforgreaterdetailwithintheplantworkorder.Therefore,thetroubleshootingperformedundertheworkorderwouldnotbeconsidereda"stepbystep"procedureasdefinedinADM-0010432,andFacilityReviewGroup(FRG)reviewandPlantGeneralManager(PGM)approvalwasnotnecessary.However,enhancementstothetestingprocessweremadeasaresultofthereviewoftheworkorder.Atrainingbriefwasdevelopedtostrengthenexpectationsforpersonnelinvolvedinpreparing C,

L-97-139AttachmentPage5proceduralanddocumentationrequirementsfortestingperformedundertheFPLQualityAssurance(QA)program.Status:Thisitemisconsideredcomplete.IFI50-335/96-201-09LackofTrackingforUnidirectionalDriftStatus:FPLreviewedthesetpointprogramanddeterminedthattheEngineeringStandardIC-3.17,"InstrumentSetpointMethodologyforNuclearPowerPlants,"meetstheintentofISA67.04-1982,"SetpointsforNuclearSafety-RelatedInstrumentationusedinNuclearPowerPlants,"whichisreferencedasusefulguidanceinNRCIN89-68.Therefore,asdocumentedinCR97-0037,FPLconcludesthat.nofurtheractionisrequiredforthisissue.IFI50-335/96-201-10LackofLoopAccuracyCalculationsforIndicationOnlyInstrumentsStatus:AnalysestovalidatetheacceptabilityofloopaccuraciesforinstrumentsthatareusedforindicationonlywillbeperformedbyApril30,1998.URI50-335/96-201-11Lackof50.59EvaluationforInstallationofMotorOperatedValve(MOV)CoversBackground:TheteamobservedthatcanvascovershadbeentiedoverthetopoftheAFWpumpdischargemotoroperatedvalves.Theconcernwasthatthecoversorropecouldpotentiallybecomeentangledinthestemofthevalvesandcompromisethevalves'peration.FPLdidnothaveadocumentedformalengineeringevaluationforthecovers,norwasaspecificinstallationprocedureused.Response:TheMOVprotectivecoverswereinstalledaspartoftheGenericLetter(GL)89-10program.ThecoverswereinstalledinanefforttoprotecttheMOVsfromrainwaterintrusiontominimizecorrosion.InaletterfromtheNRCtoFPLdatedJune7,1994,theNRCdocumentedtheirapprovaloftheinstallationoftheMOVprotectivecover,or"hats,"asreferredtointheletter.However,nospecific50.59screeningor L-97-139AttachmentPage6engineeringevaluationwasperformedfortheoriginalinstallation.Thedesignofthecovers,andattachmentpoints,precludedanypossibleadverseinteractionsbetweenthecoversandtheMOVs.InstallationoftheMOVcoverswasconsideredtobewithintheskillofthecraftsuchthatnospecificinstallationprocedurewasrequired.TheMOVcoversandinstallationwerescreenedfrom"50.59asdocumentedinCR96-2870.TheMOVcoversweresubsequentlyremovedfromtheMOVsduetotheirageandcondition.Re-installationofnewcovers,ifdesired,willrequirepriorEngineeringapproval.StatusThisitemisconsideredcomplete.IFI50-335/96-201-12LackofMaintenanceProcedureforChangingPanelFiltersStatus:Amaintenanceprocedurewillbedevelopedtoinspect/changeoutthehotshutdownpanelfiltersbyJuly31,1997.IFI50-389/96-201-01ComponentCoolingWater(CCW)PerformanceCurvesStatus:TherevisedCCWanalysis,statedinthereporttobecompletedbyMarch31,1997isnotdoneatthistime.TheanalysiswillbeperformedandnewperformancecurvesdevelopedbyJune30,1997.IFI50-389/96-201-02OperationsNightOrdersforUsingCCWPerformanceCurvesStatus:ThenewCCWperformancecurveswillbeincorporatedintotheappropriateoperatingproceduresbyAugust29,1997.IFI50-389/96-201-03LackofCalculationsforCCWRadiationMonitorSetpointsStatus:SetpointcalculationsforCCWradiationmonitorswillbeperformedbyMarch31,1998.URI50-389/96-201-04FailuretoTakeAppropriateCorrective

L-97-139AttachmentPage7Background:ActionsforDegradedPenRecorderThe2AEmergencyDieselGenerator(EDG)trippedonreversepowerduringasurveillance.AstickingEDGKWpaperchartrecorderpen,alongwiththeinexperienceofthetraineeRCO,contributedtothetrip.Theteambelievedthefailuretodocumentandtakeappropriatecorrectiveactionsforthestickingpenrecorderleadtomis-operationof'hediesel.Response:Status:CR97-0030documentstheassessmentoftheeffectofthereversepowertripontheEDG.TheEDGwasnotdamagedasaresultoftheprotectivereversepowertrip.Thestickingpenrecorderwasrepairedandthisitemisconsideredcomplete.URI50-335&389/96-201-01FailuretoUpdateUFSARasRequiredby10CFR50.71(e)Background:UFSARFigure8.3-14notrepresentativeofthebatteryloadprofileandUE'SARFiare9.2.5notchangedtoreflectthe1993accidentanalysis(108FmaximumCCWtemperature).Response:AnFSARChangePackagewillbedevelopedby8/31/98andUFSARFigure8.3-14revisedandincorporatedinthesubsequentU1FSARamendment16update.AnFSARChangePackagewillbedevelopedby7/31/98andUFSARFigure9.2.5revisedandincorporatedinthesubsequentU2FSARamendment11update.