IR 05000335/1994012

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Responds to Violation Noted in Insp Repts 50-335/94-12 & 50-389/94-12.Corrective Actions:Loop Testing,Load Shedding & Subsequent Reloading of C Intake Cw & CCW Pumps Aligned to Alternate Power Supply Busses Performed
ML17228A614
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 06/15/1994
From: GOLDBERG J H
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-94-133, NUDOCS 9406230266
Download: ML17228A614 (4)


Text

ACCELERATEDDOCUMENTDISTRIBUTIONSYSTEMREGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)ACCESSIONNBR:9406230266DOC.DATE:94/06/15NOTARIZED:NOCIL:50-:335St.LuciePlant,Unit1,FloridaPower&LightCo.,<<50-389St.LuciePlant,Unit2,FloridaPower&LightCo..AUTH.NAMEAUTHORAFFILIATIONGOLDBERG,J.H.FloridaPower&LightCo.RECIP.NAME'ECIPIENTAFFILIATIONDocumentControlBranch(DocumentControlDesk)DOCKET0500033505000389

SUBJECT: RespondstoviolationnotedinInspRepts50-335/94-12&50-389/94-12.Correctiveactions:looptesting,loadshedding&subsequentreloadingofCIntakeCW&CCWpumpsalignedtoalternatepowersupplybussesperformed.DISTRIBUTIONCODE:IEOIDCOPIESRECEIVED:LTRENCL4SIZE:TITLE:General(50Dkt)-InspRept/NoticeofVilationWRsponseNOTES:DINTERNAL:RECIPIENTIDCODE/NAMEPD2-2PDACRSAEOD/DSP/ROABAEOD/TTCNRR/DORS/OEABNRR/PMAS/ILPB1NUDOCS-ABSTRACTOGC/HDS3RES/HrBCOPIESLTTRENCL112211111111111111RECIPIENTIDCODE/NAMENORRISEJAEOD/DE1BAEOD/DSP/TPABDEDRONRR/DRCH/HHFBNRR/PMAS/IRCB-E0ECF02GN'2ILE01COPIESLTTRENCL11111111111111111,,1DEXTERNALEG&G/BRYCEEJ~H~NSIC1111NRCPDR11DNOTETOALL"RIDS"RECIPIENTSPLEASEHELPI.'STOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.504-2065)TOELIMINATEYOURNAMEFROMDISTRIBUTIONLISTSFORDOCUMENTSYOUDON'TNEED!DTOTALNUMBEROFCOPIESREQUIRED:LTTR22ENCL22

~rP.O.Box128,Ft.Pierce,FL34954-0128APLJUN151990L-94-13310CFR2.201U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Re:St.LucieUnits1and2DocketNos.50-335and50-389ReplytoNoticeofViolationInsectionReort94-12FloridaPowerandLightCompany(FPL)hasreviewedthesubjectinspection'reportandpursuantto10CFR2.201theresponsetothenoticeofviolationisattached.Verytrulyyours,J.H.GoldbergPresident-NuclearDivisionJHG/JWH/kwAttachmentcc:StewartD.Ebneter,RegionalAdministrator,USNRCRegionIISeniorResidentInspector,USNRC,St.LuciePlantDAS/PSL751109-9454:~i,"g~Q'9406230266940615PDR.ADOCK050003358PDRanFPLGroupcompany C,1Re:St.LucieUnits1and2DocketNos.50-335and50-389ReplytoNoticeofViolationInsectionReort94-12VIOLATION:10CFR50,AppendixB,CriterionXVI,CorrectiveAction,asimplementedbyapprovedFPLTopicalQualityAssuranceReport,TQR16.0revision8,"CorrectiveAction,"requiresthatmeasuresbeestablishedtoassurethatconditionsadversetoquality,includingdeficienciesanddeviations,bepromptlyidentifiedandcorrected.capableoRESPONSE:Contrarytotheabove,thelicenseefailedtotakeadequatecorrectiveactionsforViolation335,389/92-05-04forfailuretoadequatelysurveillancetesttheabilityofthe"C"IntakeCoolingWater(ICW)pumptoenergizefollowingalossofoffsitepower(LOOP).Thelicensee'scorrectiveaction,completedonMarch3,1992,includedarevisiontoprocedureOP2-0400050,PeriodicIntegratedTestoftheEngineeredSafetyFeatures.TestproceduresOP1-0400050andOP2-0400050remainedinadequate,inthat,theydidnotverifyproperCtrainICWandComponentCoolingWater(CCW)pump(swingpump)loadshedandsequencingfunctionswhenpoweredfromtheiralternatepowersupplybusses.OnApril3,1994,duringpost-modificationtesting,the2CICWandCCWpumpsfailedtoloadshedfromtheB-trainsafetybusfollowingaLOOP.Subsequentlicenseeanalysisconcludedthatthe2BEDGwasfperformingitsdesignfunction.REASONFORVIOLATIONFPLconcursthataviolationexisted.Therootcauseofthisviolationwasaninadequateprocedure.TheSafeguards'procedurefailedtoadequatelytesttheswingpumps.Specificcorrectiveactionwastakenforthefirstviolation.However,thescopeofthereviewfollowingtheinitialviolationwas,.notexpandedinsufficientlytoensureadequatetestingoftheswingpumpsinallpossibleconfigurations.AdditionaltestingisrequiredtoensurethattheintentofTechnicalSpecificationSurveillanceRequirementsismet~2.CORRECTIVESTEPSTAKENANDTHERESULTSACHIEVEDA.LOOPtesting,loadsheddingandsubsequentreloadingoftheCICWandCCWPumpsalignedtotheiralternatepowersupplybusseswasperformedaspartofpost-modificationtestingfortheICWandCCWPumps.ThistestingwascompletedonApril3,1994.CompletionofthistestingputUnit2infullcompliancewiththeTechnicalSpecificatio J'Re:St.LucieUnits1and2DocketNos.50-335and50-389ReplytoNoticeofViolationInsectionReort94-12B.AnOperationsNightOrderwasissuedonMay3,1994statingtoallOperationspersonnelthatduringthe18monthUnit1Safeguardstestingthe"C"ICWandCCWPumpswerenottestedwhilealignedtotheiralternatepowersupplybusses.TheNightOrderstatesthe"C"ICWandCCWPumpsareinoperablewhilealignedtotheiralternatepowersupplybusses.ThisNightOrderwillbeineffectuntilthesurveillancetestisperformedontheUnit1alternatepowersupplybussloadsheddingrelays.Unit1-wasinfullcomplianceonMay3,1994byadministrativelydeclaringthe1CICWand1CCCWPumpsinoperableifalignedtothealternatepowersupplybusses.3.CORRECTIVESTEPSTOAVOIDFURTHERVIOLATIONSA.AninterimtestisbeingdevelopedwhichwilltesttheUnit1alternatepowersupplybussesloadsheddingrelays.Thistestwillbecompletedpriortodeclaringthe1CICWand1CCCWpumpsoperableifalignedtothealternatepowersupplybusses.AcompletereviewwillbeperformedontheSwingBusTestingforbothUnit1andUnit2SafeguardstestingprocedurestoensurecompliancewiththeTechnicalSpecificationSurveillanceRequirements.TheUnit1SafeguardstestingprocedurePeriodic1nteratedTestoftheEnineeredSafetFeaturesOPgl-0400050willberevisedtoensuretestingoftheUnit1alternatepowersupplybussesloadsheddingrelayspriortoperformanceofthenextscheduled18monthsurveillancetestingduringtheCycle13refuelingoutage.TheUnit2SafeguardstestingprocedurePeriodicInteratedTestoftheEnineeredSafetFeaturesOPg2-0400050willberevisedtoensuretestingoftheUnit2alternatepowersupplybussesloadsheddingrelayspriortoperformanceofthenextscheduled18monthsurveillancetestingduringtheCycle9refuelingoutage.4.FullcompliancewasachievedApril3,1994onUnit2withthecompletionofCorrectiveAction2.A.above.FullcompliancewasachievedMay3,1994onUnit1withthecompletionofCorrectiveAction2.B.above.