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| {{#Wiki_filter:REGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)ACCESSIONNBR:8907250172DOC.DATE:89/07/14NOTARIZED:NOFACIL:50-335St.LuciePlant,'Unit1,FloridaPower&LightCo.AUTHNAME~AUTHORAFFILIATIONHOL1FIELD,C.D.FloridaPower&LightCo.L~0"WOODY,C.O.FloridaPower&LightCo.'ECIP.NAME=~RECIPIENTAFFILIATION | | {{#Wiki_filter:REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:8907250172 DOC.DATE:89/07/14NOTARIZED: |
| | NOFACIL:50-335 St.LuciePlant,'Unit 1,FloridaPower&LightCo.AUTHNAME~AUTHORAFFILIATION HOL1FIELD,C.D. |
| | FloridaPower&LightCo.L~0"WOODY,C.O. |
| | FloridaPower&LightCo.'ECIP.NAME |
| | =~RECIPIENT AFFILIATION |
|
| |
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| ==SUBJECT:== | | ==SUBJECT:== |
| LER89-002-00:on890614,inoperabilityof1Bdieselfueloilsyscausedbymisalignedvalveduetopersonnelerror.W/8DISTRIBUTION.CODE:IE22TCOPIESRECEIVED:LTR~ENCLJSIZE:.TITLE:;50.73/50.'9LicenseeEvent.Report(LER),Incident"Rpt,etc.NOTESDOCKETN05000335RIRECIPIENTIDCODE/NAMEPD2-2LANORRIS,JINTERNAL:ACRSMICHELSONACRSWYLIEAEOD/DSP/TPABDEDRONRR/DEST/ADE8HNRR/DEST/CEB8HNRR/DEST/ICSB7NRR/DEST/MTB'HNRR/DEST/RSB8ENRR/DLPQ/HFB10NRR/DOEA/EAB11NUDOCS-ABSTRACTRES/DSIR/EIBRGN2FILE.01EXTERNALEG&GWILLIAMSPSLSTLOBBYWARDNRCPDRNSICMURPHY,G.A111111111,111111111I111111.11'441111I11COPIESLTTRENCL1111RECIPIENTIDCODE/NAMEPD2-2PDACRSMOELLERAEOD/DOAAEOD/ROAB/DSPIRM/DCTS/DAB,NRR/DEST/ADS7ENRR/DEST/ESB8DNRR/DEST/MEB9HNRR/DEST/PSB8DNRR/DEST/SGB8DNRR/DLPQ/PEB10NRR/REPQRPB10~02,S/DSRPRABFORDBLDGHOYPALPDRNSICMAYS,GCOPIESLTTRENCL1.1221.12'~11-101.11111111122~1.;111111111DSDNOXK'IOALLnRZDSnRZCZE'ZENXSPIZASEHELPUSKOREDUCE%MTELCONZACZ'IHEDOQlMEÃZCCRZRDLDESK,RXNP1-37(EZZ.20079)mELXKBQXSYOURMNEHKHDISTRIHVTIGN.IZSTSPDRDOCUMERHBYOUDGN~TNEZDfhDSFULLTEXTCONVERSIONREQUIREDTOTALNUMBEROFCOPIESREQUIRED:LTTR43ENCL,42 ox14000,JunoBeach,FL33408.0420JULY.1419B9L-89-24210CFR50.73U.S.NuclearRegulatoryCommissionAttn:DocumentControlDeskWashington,D.C.20555Gentlemen:Re:St.LucieUnit1DocketNo.50-335ReportableEvent:89-02DateofEvent:June14,1989MisalignedValveCausedInoperabilityofthe1BDieselFuelOilSstemDuetoPersonnelErrorTheattachedLicenseeEventReportisbeingsubmittedpursuanttotherequirementsof10CFR50.73toprovidenotificationofthesubjectevent.Verytrulyyours,O.WoodActingSirVicePresident-NuclearCOW/JRH/cmAttachmentcc:StewartD.Ebneter,RegionalAdministrator,RegionII,USNRCSeniorResidentInspector,USNRC,St.LuciePlantp9072lg0f72P90714PDRPDOCK0500033PDCanFPLGroupcompany RCForm3555'33)LICENSEEEVENTREPORTtLERU.S.NUCLEARREQULATORYCOMMISSIONAPPROVEDOMSNO.3150410eEXPIRES:5/31/SSFACILITYNAME(IISt.LucieUnit1"'""'NisalignedValveCausedInoperabilityofthelBD'lFuelpilSstemDuetoPersonnelErrorDOCKETNUMBER(2)050003PAE51OF0EVENTOATSISILKRNUMBERISIREPORTDATEIt)OTHERFACILITIESINVOLVEDI~IMONTHOAY0614YEARYEAR89NNQUNNTIAI.trUMNNR002MONTHSzrP,.NUMNNA-pp07OAY14YEAR89FACILITYHAM55N/ADOCKETHUMBERIS)0500005000OPERATINOMOOt(Sl~OWERLEUEL1PP(10I20A02(bl20AOB(ellll(020AOBIel(1)(Nl20AOB(el(1l(NO20AOB(e)(1)(N)20AOB(e)II)le)20AOB(elSOM(cl(IISOM(cl(2)X50.73lel(2)III50.73Iel(2)IN)50.73lel(2)IN)LICKNSKECONTACTFORTHISLKR(12)50.734)12)IN)50.734)(2l(el50.7341(211rNI50,734)l2)IcNI)(Al50.73(el(2((rBI(IS)50.73(e)l2IIelTHISREPORTISSUBMITTEDPURSUANTT0THKREOUIREMENTSOF10CFRgr/Checttoneormoreofthefo//orfinp/0173.71(II)73.71(clOTHER/SpecifyinAettrectOe/oryenr/inTert,Hf)CForm355l/NAMECharlesD.Holifield,ShiftTechnicalAdvisorTELEPHONENUMBERAREACODE407465-3550COMPLETEOHKLINESOllEACHCOMPONENTFAILUREOKSCRISKDIHTHISREPORT113)CAUSESYSTKMCOMPONENTMANUFAC.TURERTONpROSAjaryfCAUSESYSTKMCOMPONENT:@4%.,YQ,...StolMANUFAC.TUREREPORTABLTOHPRDSNUMENSUPPLEMENTALREPORTEXPECTED(1elEXPECTEDSUBMISSIONDATEIIBI%8~>$MONTHOAYYEARYES/lfyer,completeEXPECTED$(/Sef/SS/OHDATE/NOABBTRAcT/Limittoteo0rptcer,/.e.,epproe/merelyf/freonr/noreopecetypewr/(tonlintel(15)ABSTRACTOnJune14,1989,at1740,withUnit1inMode1at1004power,aroutineweeklyvalvestatuscheckwasperformedinaccordancewithaplantprocedurewhichrecpxiresavalvepositioncheckofvariousemergencydieselsystemvalves.Whileperformingthisvalvestatuscheck,the1Bdieselfueloiltransferpumpdischargevalvewasfoundinthelockedclosedposition.Althoughthe1Bdieselwascapableofstartingandsupplyingpost-accidentloadsduringtheevent,itwasadministrativelyrenderedoutofserviceduetotheinoperabilityofthe1Bdieselfueloiltransferpump,perTechnicalSpecification3.8.1.1.b.3.Themostprobablerootcauseofthemispositionedvalvewaspersonnelerrorbyautilitynon-licensedoperator,thoughtheresponsibleindividualhasnotbeenidentified.Acontributingfactorwasthefailuretorecordthemispositionedvalveinthevalvedeviationlog.Correctiveactionsincludedre-openingandlockingopenthevalve,andcounselingtheoperatorsontheimportanceof,andtheuseof,thevalvedeviationlog.NRCForm355(503I CForm3SSA8831LICENSEE+NTREPORT(LERITEXTCONTINUONU.S.NUCLEARREOUI.ATORYCOMMISSIONAPPROVEDOMBNO.3150WI04EXPIREB:8/31/88FCILITYNAME111DOCKETNUMBERI31LERNUMBER(81YEAR:~<'EQUENTIAI''EViSIONNUMSEA:.>1rrUMS~APACEl31St.LucieUnit1osooo389-002-0002oF03TEXT///rrroroEpocoito//rr'rod.Irwodd/rrorro/H//CForrrr38//AS/lI3)DESCRIONOFHEEVENTOnJune14,1989,at1740,withUnit1inMode1at100%power,aroutineweeklyemergencydieselsystemvalvestatuscheckwasperformedbyautilitynon-licensedoperatorinaccordancewithAdministrativeProcedure1-0010125A.Whileperformingthisvalvestatuscheck,the1Bdieselfueloiltransferpumpdischargevalve(EIIS:ISV)wasfoundinthelockedclosedposition.Thisadministrativelyrenderedthe1Bdieselgeneratoroutofservice,perTechnicalSpecification3.8.1.1.b.3.Thevalvewasunlocked,re-opened,lockedopened,andindependentlyverifiedlockedopen,within5minutesoffindingitclosed.Priortothisevent,thelasttimethepumpdischaxgevalvewasoperatedwasat1015onJune5,1989,toplacethe1Bdieselfueloiltankonrecirculation.Thiswasrequiredforachemistrysampleofthe1Bdieselfueloiltank.Althoughthevalvewasre-openedandlockedopenafterthesamplewascompleted,theclosingandre-openingofthevalvewasnotrecordedintheValveDeviationLoginaccordancewithAdministrativeProcedure1-0010123.Thevalve'slockedopenpositionwasverifiedindependentlyonJune7byautilitynon-licensedoperator,andonJune13byaQCInspector,whenthevalvestatuscheckofAdministrativeProcedure1-0020235Awasperformed.OnJune14,1989,thevalvewasfoundinthelockedclosedposition.CAUSEOFTHEVENTNofueloilsampleswexetakenandnomaintenancewasperformedonthedieselfueloilsystembetween1600onJune13,1989and1740onJune14,1989.OnlyOperationsDepartmentpersonnelhaveaccesstothevalvelockingdevicekey.Therefore,themostprobablerootcauseoftheeventwaspersonnelerrorbyautilitynon-licensedoperator.Afterinvestigation,theresponsibleindividualhasnotbeenidentified.AcontributingfactortotheeventwasthefailuretorecordtherepositioningofthevalveintheValveDeviationLog.NACFOAMSOFAIMSI CForm3SSAJILICENSEENTREPORT(LER)TEXTCONTINONU.S.NUCLEARREGULATORYCOMMISSIONAPPROVEDOMSNO.3150M(04EXPIRES:8/31/88IQCILITTNAME(llSt.LucieUnit1DOCKETNVMSER(3)YEARLERNVMSER(8)~$;SSOUSNTIAL.(NNUMSSRREVISIONNUMSSIIPACE(31TEXT/I/morotpocoitror/u/rorLutotr/I/I(/ooo///RC%%dnrr385l't/(171osooo33589-002-0003oF03ANALYSISOFTHEEVENTThiseventhasbeendeemedreportablepertherequirementsof10CFR50.73(a)(2)(i)(B),anyoperationorconditionprohibitedbytheplant'sTechnicalSpecifications.Sincethe1BDieselwasadministrativelyoutofserviceforaslongas25hours,thesurveillancerequirementsofTechnicalSpecification3.8.1.1.,whichrequiresthattheoperabilityoftheotherDieselbetestedwithin1hourandevery8hoursthereafter,shouldhavebeenperformed.However,thissurveillancewasnotdonebecausetheoperatorswerenotawareoftheoutofservicediesel.Eachemergencydieselisdesignedforfullpost-accidentloadoperationfor75minutesonthedaytanks.Thefueloiltransferpumpstartsandtheinletvalvetothedaytanksopensatadaytanklevelof23inches.Withthefueloiltransferpumpdischargevalveshut,thedieselgeneratorwouldstartifrequired.However,automaticmakeuptothedaytankwouldbeprevented,andthedaytanklevelwoulddecrease.Approximately39minuteslater,atalevelof11inchesinthedaytank,thelowlevelannunciatorwouldalerttheoperatorsoftheproblemlocallyandinthecontrolroom.Thiswouldleaveapproximately36minutestodispatchanoperatortotheareatolocate,unlock,andre-openthepumpdischargevalve.Sincetheemergencydieselwasavailabletoperformitssafetyfunction,thehealthandsafetyofthepublicwerenotaffectedbythisevent.CORRECTIVEACTIONS1)Operationspersonnelre-openedandlockedopenthevalve.2)TheOperationsSupervisorcounselledtheoperatorsontheimportanceof,andtheuseof,thevalvedeviationlog.ADDITIONALNFORMAON1.COMPONENTIDENTIFICATION2~Thiseventwasnotcausedbycomponentfailure.PREVIOUSSIMILAREVENTSForasimilarevent,seeLER5335-82-48,whichpertainstotheinoperabilityofthe1Adieselfueloilpumpduetovalvemispositioningbecauseofimproperrestorationfrommaintenance.NRCSORMSSSA(WA1}} | | LER89-002-00:on 890614,inoperability of1Bdieselfueloilsyscausedbymisaligned valveduetopersonnel error.W/8DISTRIBUTION.CODE: |
| | IE22TCOPIESRECEIVED:LTR |
| | ~ENCLJSIZE:.TITLE:;50.73/50.'9 LicenseeEvent.Report(LER),Incident" Rpt,etc.NOTESDOCKETN05000335RIRECIPIENT IDCODE/NAME PD2-2LANORRIS,JINTERNAL: |
| | ACRSMICHELSON ACRSWYLIEAEOD/DSP/TPAB DEDRONRR/DEST/ADE 8HNRR/DEST/CEB 8HNRR/DEST/ICSB 7NRR/DEST/MTB |
| | 'HNRR/DEST/RSB 8ENRR/DLPQ/HFB 10NRR/DOEA/EAB 11NUDOCS-ABSTRACT RES/DSIR/EIB RGN2FILE.01EXTERNALEG&GWILLIAMSPSLSTLOBBYWARDNRCPDRNSICMURPHY,G.A 111111111,111111111I111111.11'441111I11COPIESLTTRENCL1111RECIPIENT IDCODE/NAME PD2-2PDACRSMOELLERAEOD/DOAAEOD/ROAB/DSP IRM/DCTS/DAB |
| | ,NRR/DEST/ADS 7ENRR/DEST/ESB 8DNRR/DEST/MEB 9HNRR/DEST/PSB 8DNRR/DEST/SGB 8DNRR/DLPQ/PEB 10NRR/REPQRPB10~02,S/DSRPRABFORDBLDGHOYPALPDRNSICMAYS,GCOPIESLTTRENCL1.1221.12'~11-101.11111111122~1.;111111111DSDNOXK'IOALLnRZDSnRZCZE'ZENXS PIZASEHELPUSKOREDUCE%MTELCONZACZ'IHEDOQlMEÃZCCRZRDLDESK,RXNP1-37(EZZ.20079)mELXKBQXSYOURMNEHKHDISTRIHVTIGN. |
| | IZSTSPDRDOCUMERHB YOUDGN~TNEZDfhDSFULLTEXTCONVERSION REQUIREDTOTALNUMBEROFCOPIESREQUIRED: |
| | LTTR43ENCL,42 ox14000,JunoBeach,FL33408.0420 JULY.1419B9L-89-24210CFR50.73U.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Gentlemen: |
| | Re:St.LucieUnit1DocketNo.50-335Reportable Event:89-02DateofEvent:June14,1989Misaligned ValveCausedInoperability ofthe1BDieselFuelOilSstemDuetoPersonnel ErrorTheattachedLicenseeEventReportisbeingsubmitted pursuanttotherequirements of10CFR50.73toprovidenotification ofthesubjectevent.Verytrulyyours,O.WoodActingSirVicePresident |
| | -NuclearCOW/JRH/cm Attachment cc:StewartD.Ebneter,RegionalAdministrator, RegionII,USNRCSeniorResidentInspector, USNRC,St.LuciePlantp9072lg0f72P90714PDRPDOCK0500033PDCanFPLGroupcompany RCForm3555'33)LICENSEEEVENTREPORTtLERU.S.NUCLEARREQULATORY COMMISSION APPROVEDOMSNO.3150410eEXPIRES:5/31/SSFACILITYNAME(IISt.LucieUnit1"'""'Nisaligned ValveCausedInoperability ofthelBD'lFuelpilSstemDuetoPersonnel ErrorDOCKETNUMBER(2)050003PAE51OF0EVENTOATSISILKRNUMBERISIREPORTDATEIt)OTHERFACILITIES INVOLVEDI~IMONTHOAY0614YEARYEAR89NNQUNNTIAI. |
| | trUMNNR002MONTHSzrP,.NUMNNA-pp07OAY14YEAR89FACILITYHAM55N/ADOCKETHUMBERIS) 0500005000OPERATINO MOOt(Sl~OWERLEUEL1PP(10I20A02(bl20AOB(elll l(020AOBIel(1) |
| | (Nl20AOB(el(1 l(NO20AOB(e)(1)(N) 20AOB(e)II)le)20AOB(elSOM(cl(II SOM(cl(2) |
| | X50.73lel(2)III 50.73Iel(2)IN)50.73lel(2) |
| | IN)LICKNSKECONTACTFORTHISLKR(12)50.734)12) |
| | IN)50.734)(2l(el50.7341(211rNI 50,734)l2)IcNI)(Al50.73(el(2((r BI(IS)50.73(e)l2IIelTHISREPORTISSUBMITTED PURSUANTT0THKREOUIREMENTS OF10CFRgr/Checttoneormoreofthefo//orfinp/ |
| | 0173.71(II) 73.71(clOTHER/SpecifyinAettrectOe/oryenr/inTert,Hf)CForm355l/NAMECharlesD.Holifield, ShiftTechnical AdvisorTELEPHONE NUMBERAREACODE407465-3550COMPLETEOHKLINESOllEACHCOMPONENT FAILUREOKSCRISKD IHTHISREPORT113)CAUSESYSTKMCOMPONENT MANUFAC.TURERTONpROSAjaryfCAUSESYSTKMCOMPONENT |
| | :@4%.,YQ, |
| | ...StolMANUFAC.TUREREPORTABLTOHPRDSNUMENSUPPLEMENTAL REPORTEXPECTED(1elEXPECTEDSUBMISSION DATEIIBI%8~>$MONTHOAYYEARYES/lfyer,completeEXPECTED$(/Sef/SS/OH DATE/NOABBTRAcT/Limittoteo0rptcer,/.e.,epproe/merely f/freonr/noreopece typewr/(ton lintel(15)ABSTRACTOnJune14,1989,at1740,withUnit1inMode1at1004power,aroutineweeklyvalvestatuscheckwasperformed inaccordance withaplantprocedure whichrecpxires avalvepositioncheckofvariousemergency dieselsystemvalves.Whileperforming thisvalvestatuscheck,the1Bdieselfueloiltransferpumpdischarge valvewasfoundinthelockedclosedposition. |
| | Althoughthe1Bdieselwascapableofstartingandsupplying post-accident loadsduringtheevent,itwasadministratively renderedoutofserviceduetotheinoperability ofthe1Bdieselfueloiltransferpump,perTechnical Specification 3.8.1.1.b.3. |
| | Themostprobablerootcauseofthemispositioned valvewaspersonnel errorbyautilitynon-licensedoperator, thoughtheresponsible individual hasnotbeenidentified. |
| | Acontributing factorwasthefailuretorecordthemispositioned valveinthevalvedeviation log.Corrective actionsincludedre-opening andlockingopenthevalve,andcounseling theoperators ontheimportance of,andtheuseof,thevalvedeviation log.NRCForm355(503I CForm3SSA8831LICENSEE+NT REPORT(LERITEXTCONTINUON U.S.NUCLEARREOUI.ATORY COMMISSION APPROVEDOMBNO.3150WI04EXPIREB:8/31/88FCILITYNAME111DOCKETNUMBERI31LERNUMBER(81YEAR:~<'EQUENTIAI' |
| | 'EViSIONNUMSEA:.>1rrUMS~APACEl31St.LucieUnit1osooo389-002-0002oF03TEXT///rrroro Epocoito//rr'rod. |
| | Irwodd/rrorro/H//C Forrrr38//AS/lI3)DESCRIONOFHEEVENTOnJune14,1989,at1740,withUnit1inMode1at100%power,aroutineweeklyemergency dieselsystemvalvestatuscheckwasperformed byautilitynon-licensed operatorinaccordance withAdministrative Procedure 1-0010125A. |
| | Whileperforming thisvalvestatuscheck,the1Bdieselfueloiltransferpumpdischarge valve(EIIS:ISV) wasfoundinthelockedclosedposition. |
| | Thisadministratively renderedthe1Bdieselgenerator outofservice,perTechnical Specification 3.8.1.1.b.3. |
| | Thevalvewasunlocked, re-opened, lockedopened,andindependently verifiedlockedopen,within5minutesoffindingitclosed.Priortothisevent,thelasttimethepumpdischaxge valvewasoperatedwasat1015onJune5,1989,toplacethe1Bdieselfueloiltankonrecirculation. |
| | Thiswasrequiredforachemistry sampleofthe1Bdieselfueloiltank.Althoughthevalvewasre-openedandlockedopenafterthesamplewascompleted, theclosingandre-opening ofthevalvewasnotrecordedintheValveDeviation Loginaccordance withAdministrative Procedure 1-0010123. |
| | Thevalve'slockedopenpositionwasverifiedindependently onJune7byautilitynon-licensed |
| | : operator, andonJune13byaQCInspector, whenthevalvestatuscheckofAdministrative Procedure 1-0020235A wasperformed. |
| | OnJune14,1989,thevalvewasfoundinthelockedclosedposition. |
| | CAUSEOFTHEVENTNofueloilsampleswexetakenandnomaintenance wasperformed onthedieselfueloilsystembetween1600onJune13,1989and1740onJune14,1989.OnlyOperations Department personnel haveaccesstothevalvelockingdevicekey.Therefore, themostprobablerootcauseoftheeventwaspersonnel errorbyautilitynon-licensed operator. |
| | Afterinvestigation, theresponsible individual hasnotbeenidentified. |
| | Acontributing factortotheeventwasthefailuretorecordtherepositioning ofthevalveintheValveDeviation Log.NACFOAMSOFAIMSI CForm3SSAJILICENSEENTREPORT(LER)TEXTCONTINONU.S.NUCLEARREGULATORY COMMISSION APPROVEDOMSNO.3150M(04EXPIRES:8/31/88IQCILITTNAME(llSt.LucieUnit1DOCKETNVMSER(3)YEARLERNVMSER(8)~$;SSOUSNTIAL |
| | .(NNUMSSRREVISIONNUMSSIIPACE(31TEXT/I/morotpocoitror/u/rorL utotr/I/I(/ooo///RC |
| | %%dnrr385l't/(171osooo33589-002-0003oF03ANALYSISOFTHEEVENTThiseventhasbeendeemedreportable pertherequirements of10CFR50.73(a)(2)(i)(B), |
| | anyoperation orcondition prohibited bytheplant'sTechnical Specifications. |
| | Sincethe1BDieselwasadministratively outofserviceforaslongas25hours,thesurveillance requirements ofTechnical Specification 3.8.1.1., |
| | whichrequiresthattheoperability oftheotherDieselbetestedwithin1hourandevery8hoursthereafter, shouldhavebeenperformed. |
| | However,thissurveillance wasnotdonebecausetheoperators werenotawareoftheoutofservicediesel.Eachemergency dieselisdesignedforfullpost-accident loadoperation for75minutesonthedaytanks.Thefueloiltransferpumpstartsandtheinletvalvetothedaytanksopensatadaytanklevelof23inches.Withthefueloiltransferpumpdischarge valveshut,thedieselgenerator wouldstartifrequired. |
| | However,automatic makeuptothedaytankwouldbeprevented, andthedaytanklevelwoulddecrease. |
| | Approximately 39minuteslater,atalevelof11inchesinthedaytank,thelowlevelannunciator wouldalerttheoperators oftheproblemlocallyandinthecontrolroom.Thiswouldleaveapproximately 36minutestodispatchanoperatortotheareatolocate,unlock,andre-openthepumpdischarge valve.Sincetheemergency dieselwasavailable toperformitssafetyfunction, thehealthandsafetyofthepublicwerenotaffectedbythisevent.CORRECTIVE ACTIONS1)Operations personnel re-opened andlockedopenthevalve.2)TheOperations Supervisor counselled theoperators ontheimportance of,andtheuseof,thevalvedeviation log.ADDITIONAL NFORMAON1.COMPONENT IDENTIFICATION 2~Thiseventwasnotcausedbycomponent failure.PREVIOUSSIMILAREVENTSForasimilarevent,seeLER5335-82-48, whichpertainstotheinoperability ofthe1Adieselfueloilpumpduetovalvemispositioning becauseofimproperrestoration frommaintenance. |
| | NRCSORMSSSA(WA1}} |
|
|---|
Category:LICENSEE EVENT REPORT (SEE ALSO AO
MONTHYEARML17241A4891999-10-0707 October 1999
LER 99-004-00:on 990912,noted That MSSV Surveillance Was Outside of TS Requirements.Caused by Setpoint Drift.Subject MSSVs Are Being Refurbished & Retested Prior to Unit Startup from SL1-16 Refueling Outage.With 991007 Ltr
ML17241A4111999-07-16016 July 1999
LER 99-007-00:on 990610,unplanned Cooldown Transient Occurred Due to Personnel Error.Trained & Briefed Personnel & Revised Procedures.With 990716 Ltr
ML17241A4031999-07-0606 July 1999
LER 99-006-00:on 990605,sub-critical Reactor Trip Occurred Due to Inadvertent MSIV Opening.Caused by Personnel Error. Provided Operation Supervision Instruction to Operating Crews,Stand Down Meetings & Operator Aids.With 990706 Ltr
ML17241A4041999-07-0606 July 1999
LER 99-005-00:on 990604,CEA Drop Resulted in Manual Reactor Trip.Caused by Procedural Inadequacies.Procedure Changes Are Planned to Correct Lack of Procedural Guidance for CEA Subgroup Power Switch Replacement.With 990706 Ltr
ML17241A3941999-06-30030 June 1999
LER 99-004-01:on 990415,as Found Cycle 10 Psv Setpoints Were Outside TS Limits.Caused by Manufacturing Process Defect. All Three Psvs Were Replaced with pre-tested Valves During Cycle 11 Refueling Outage.With 990630 Ltr
ML17241A3551999-06-0404 June 1999
LER 99-002-00:on 990505,both Trains of Safety Injection Actuation Were Blocked During Surveillance.Caused by Procedure Error.Procedure Revised.With 990604 Ltr
ML17241A3321999-05-17017 May 1999
LER 99-004-00:on 990415,determined That as Found Cycle 10 Psv Setpoints Outside TS Limits.Root Cause Under Investigation.Psvs Replaced with pe-tested Valves During Cycle 11
ML17241A3271999-05-0606 May 1999
LER 99-003-00:on 990406,ECCS Suction Header Leak Resulted in Both ECCS Trains Being Inoperable & Entry Into TS 3.0.3. Caused by Chloride Induced OD Stress Corrosion Cracking of Piping.Made Code Repairs & Coated Piping.With 990506 Ltr
ML17229B0791999-04-0707 April 1999
LER 99-001-00:on 990309,discovered Inadequate Design & IST SRs for Iodine Removal Sys (Irs).Caused by Original Design Inadequacies & Personnel Error.Naoh Tank Vent Valve V07233 Was Tagged Open.With 990407 Ltr
ML17229B0801999-04-0707 April 1999
LER 99-002-00:on 990311,SG ECT Error Caused Operation with Condition Prohibited by Ts.Caused by Deficiencies in Data Analysis Guideline Instructions.Licensee Will Change Data Analysis Guidelines for Lead Analysts.With 990407 Ltr
ML17229B0541999-03-10010 March 1999
LER 99-001-00:on 990211,inadequate TS SRs for SIT & SDC Isolation Valves Were Noted.Caused by Failure to Correctly Implement TS Srs.Submitted LAR to Align Required TS SR with Design Bases Requirements Being Verified.With 990310 Ltr
ML17229A9901999-01-20020 January 1999
LER 98-009-00:on 981223,noted That Facility Operated Outside of Design Basis.Caused by non-conservative MSLB Analysis Inputs.Will Review SR Component Differences Between Units & Will re-baseline LTOP Analysis.With 990120 Ltr
ML17229A9821999-01-0404 January 1999
LER 98-010-00:on 981207,RCS Boron Sample Frequency Required by Ts,Was Exceeded by Twelve Minutes.Caused by Personnel Error.Equipment Clearance Order Was Lifted to Draw Required Sample & Operations Procedure Was Changed.With 990104 Ltr
ML17229A9611998-12-22022 December 1998
LER 97-002-01:on 981204,containment Sump Debris Screen Was Not IAW Design.Caused by Inadequate C/As for Sump Screen Anamolies.All Identified Sump Screen Deficiencies Were Dispositioned &/Or Repaired.With 981222 Ltr
ML17229A9561998-12-15015 December 1998
LER 98-008-00:on 981118,missed TS SG U Tube Insp.Caused by Encoding Errors While Using Remote Positioning Fixtures.All SG Tube Surveyed.With 981215 Ltr
ML17229A9301998-11-25025 November 1998
LER 98-005-01:on 980807,discovered That New MOV Methodology Caused Past PORV Block Valve Operability Problem.Caused by Inadequacies in Original Vendor MOV Methodology.Planned Valve Mods Will Be Implemented During Cycle 11 1998 Outage
ML17229A9021998-11-0404 November 1998
LER 98-008-00:on 981008,inadequate Reactor Protection Sys Trip Bypass TS Was Noted.Caused by Poorly Worded Ts. Submitted LAR to Clarify Power Requirements for High Rate of Power Trips.With 981104 Ltr
ML17229A8771998-10-14014 October 1998
LER 98-006-00:on 980918,inadvertent Afas Actuation Was Noted.Caused by Degradation of Multiple Afas Power Supplies. Replaced Afas Power Supplies & Revised Procedures.With 981014 Ltr
ML17229A8761998-10-14014 October 1998
LER 98-007-00:on 980918,identified Discrepancies Between Fire Protection Design Requirements & Field Conditions. Caused by Inadequate Translation & Implementation of Fire Protection Requirements.Procedures Revised.With 981014 Ltr
ML17229A8511998-09-0202 September 1998
LER 98-005-00:on 980807,discovered That PORV Margins Were Insufficient to Accommodate Addl Conservatism.Caused by Inadequacies in Original Vendor MOV Methodology.Will Implement Planned Valve Actuator mods.W/980902 Ltr
ML17229A8201998-07-29029 July 1998
LER 98-007-00:on 980630,inadequate Procedure May Have Resulted in SBO Recovery Complications.Caused by Inadequate Procedures.Attached Caution Tags to Appropriate Control switches.W/980729 Ltr
ML17229A7411998-05-28028 May 1998
LER 98-004-00:on 980430,discovered Waste Gas Decay Tank Operation W/O Available Oxygen Analyzers,Which Is Prohibited by Ts.Caused by Inadequate Licensee Review of License Amend. Oxygen Analyzer recalibrated.W/980528 Ltr
ML17229A7381998-05-21021 May 1998
LER 98-006-00:on 980421,missed EDG Fuel Oil Sample Surveillance Was Noted.Caused by Personnel Error.Revised Fuel Oil Sampling Service Purchase Order & Revised Site procedure.W/980521 Ltr
ML17229A7011998-04-27027 April 1998
LER 98-003-00:on 980326,discovered Containment Pressure Instrumentation Design Single Failure Vulnerability.Caused by Inadequate Design by Personnel Error.Removed RPS & ESFAS Containment Pressure Bypass Keys immediately.W/980427 Ltr
ML17229A6761998-04-0202 April 1998
LER 98-005-00:on 980305,identified Two Conditions That Were Outside App R Design Bases.Caused by Design Oversight During Development of Original App R Safe SD Design.Established 30 Minute Roving Fire Watches & Provided training.W/980402 Ltr
ML17229A6731998-03-26026 March 1998
LER 98-002-00:on 980224,radiation Monitor Surveillance Inadequacies Led to Operating of Facility Prohibited by Tss. Caused by Congnitive Personnel Error.Permanent Procedure Changes Were implemented.W/980326 Ltr
ML17229A6551998-03-0505 March 1998
LER 98-001-00:on 980206,high/low Pressure Shutdown Cooling Interface Was Noted Outside App R Design Bases.Caused by Personnel Error.Addl Guidance Was Provided to Engineering Dept personnel.W/980305 Ltr
ML17229A6281998-02-19019 February 1998
LER 98-004-00:on 980121,emergency Lighting Outside App R Design Bases Occurred.Caused by Congnitive Personnel Error During Translation of App R Section Iii.Procedures Onop 1 & 2 ONP-100.01 Were Issued for Use on 980206.W/980219 Ltr
ML17229A6211998-02-0909 February 1998
LER 98-003-00:on 980110,manual Rt Due to DEH Leak at Turbine Test Block Was Noted.Caused by o-ring Extrusion.Shortened Bolts by About 0.125 & Reinstalled at Correct Torque values.W/980209 Ltr
ML17229A6191998-02-0404 February 1998
LER 98-002-00:on 980105,CIS Bistable in Bypass Resulted in Condition Prohibited by Tss.Caused by Personnel Error. Radiation Monitor Was Restored to service.W/980204 Ltr
ML17229A6161998-02-0303 February 1998
LER 98-001-00:on 980104,inadvertent RPS Actuation Occurred Due to Personnel Error.Caused by Procedural Inadequacies & Inadequate self-checking by Licensed Utility Personnel. Placards Have Been Placed in CRs.W/980203 Ltr
ML17229A6051998-01-27027 January 1998
LER 97-010-01:on 971027,inadvertent Core Alteration Prohibited by TSs Were Noted Due to Stuck Cea.Caused by Personnel Error.Cea #24 Was Dislodged & Transferred to Spent Pool for insp.W/980127 Ltr
ML17229A5501997-12-0505 December 1997
LER 97-008-00:on 971107,inadequate CR Ventilation Surveillance Resulted in Condition Prohibited by Ts.Caused by non-cognitive Personnel Error.Operating Procedure 2-1900050 Was revised.W/971205 Ltr
ML17309A9091997-12-0202 December 1997
LER 97-011-00:on 971102,non-conservative RAS Set Point Resulted in Operation Prohibited by Ts.Caused by Inadequate Set Point & Instrument Loop Scaling Process.Revised ESFAS Functional Tp W/Proper Set point.W/971202 Ltr
ML17229A5391997-11-26026 November 1997
LER 97-010-00:on 971027,inadvertant Core Alteration Prohibited by TS Occurred.Caused by CEA Failure to Detach from Ugs.Safety Evaluation Was Performed & Procedural Rev Made to Continue Upper Guide Structure move.W/971126 Ltr
ML17229A5151997-11-0707 November 1997
LER 97-007-00:on 971008,inoperable Containment Cooling Fan Resulted in Operation of Facility Outside Design Basis. Caused by non-cognitive Personnel Error.Ccs Operation Was Revised & Issued on 971013.W/971107 Ltr
ML17229A4991997-10-17017 October 1997
LER 97-009-00:on 970917,inoperable PORV Block Valve Resulted in Operation Prohibited by Tech Specs Occurred.Caused by Plant GL 89-10 Program Plan to Review Plant Manager Action Item Sys.Porv Block Valve V-1403 restored.W/971017 Ltr
ML17309A9011997-08-27027 August 1997
LER 97-008-00:on 970728,mechanical Fire Penetrations Were Inoperable & Outside App R Design Bases.Caused by Seal Mfg Not Providing Formal Documentation for Installed Seals. Modified Inoperable Fire penetrations.W/970827 Ltr
ML17229A4311997-07-29029 July 1997
LER 97-006-00:on 970630,discovered Inadequate Testing of Engineered Safety Features Subgroup Relays.Caused by Inadequacy in Implementing TS Requirements in Surveillance Procedures.Revised Surveillance procedures.W/970729 Ltr
ML17229A4241997-07-25025 July 1997
LER 97-005-00:on 970625,discovered That Hot Shutdown Control Panel Shutdown Cooling Flow indicator,FI-3306 Inoperable. Caused by Weakness in Work Order & Procedure Used to Repair FI-3306.Section Meeting W/I&C Planners held.W/970725 Ltr
ML17229A3971997-07-11011 July 1997
LER 97-004-00:on 970611,discovered Incorrect Original Cable Tray Fire Stop Assembly Installation Was Outside App R Design Basis.Caused by Personnel Error.Hourly Fire Watch Patrols Will Be posted.W/970711 Ltr
ML17229A3871997-06-19019 June 1997
LER 97-003-00:on 970521,determined Required Post Maint Open Stroke Test for Valve V3245,2B2 SIT Discharge Check Valve, Had Not Been Performed.Caused by Personnel Error.Procedure revised.W/970619 Ltr
ML17229A3841997-06-17017 June 1997
LER 97-002-00:on 970518,containment Sump Debris Screen Was Not IAW Design Due to Gaps in Screen Encl.Performed SER to Document Containment Sump Design requirements.W/970617 Ltr
ML17229A3751997-06-0202 June 1997
LER 97-006-00:on 970501,operation Was Prohibited by TS Due to Inadequately Tested Degraded Voltage Sys.Revised Unit 1 ESFAS Surveillance Test procedure.W/970602 Ltr
ML17229A3611997-05-29029 May 1997
LER 97-007-00:on 970502,reactor Coolant Pump Oil Collection Sys Was Outside App R Design Bases.Identified Leak Sites Were Repaired & Mods to RCP Oil Collection Sys to Capture Any Future Leakage from areas.W/970529 Ltr
ML17229A3491997-05-21021 May 1997
LER 97-001-00:on 970423,containment Isolation Actuation Occurred.Caused by Increased Radiation Levels During Removal of Upper Guide Structure.Proper Actuation of Containment Isolation Components Was verified.W/970521 Ltr
ML17229A3441997-05-13013 May 1997
LER 97-005-00:on 970419,reactor Was Shutdown Due to Reactor Coolant Pressure Boundary Leakage.Hot Cracking Was Caused by Weld Contamination.Repairs to RCPB Were Completed & 1A SDC Train Was Restored to Svc
ML17229A3141997-04-30030 April 1997
LER 97-004-00:on 970402,refueling Machine Was Operating in Manner Prohibited by TS Due to Original Design of Refueling Machine Bypass Feature Conflicting W/Ts Requirements. Eliminated Overload Cut Off Limit bypass.W/970430 Ltr
ML17229A2951997-03-31031 March 1997
LER 97-003-00:on 970304,automatic Rt Resulted from Loss of Electrical Power to 1A2 Rc Pump.Rcp Breaker Was Replaced & Pump Was Returned to svc.W/970331 Ltr
ML17229A2721997-03-21021 March 1997
LER 97-002-00:on 970221,operation in Excess of Max Rated Thermal Power Occurred Due to Digital Data Processing Sys (Ddps) Calorimetric Error.Verified Acceptable Performance of Ddps Functions & Reviewed Software mods.W/970321 Ltr
1999-07-06
[Table view]
Category:RO)
MONTHYEARML17241A4891999-10-0707 October 1999
LER 99-004-00:on 990912,noted That MSSV Surveillance Was Outside of TS Requirements.Caused by Setpoint Drift.Subject MSSVs Are Being Refurbished & Retested Prior to Unit Startup from SL1-16 Refueling Outage.With 991007 Ltr
ML17241A4111999-07-16016 July 1999
LER 99-007-00:on 990610,unplanned Cooldown Transient Occurred Due to Personnel Error.Trained & Briefed Personnel & Revised Procedures.With 990716 Ltr
ML17241A4031999-07-0606 July 1999
LER 99-006-00:on 990605,sub-critical Reactor Trip Occurred Due to Inadvertent MSIV Opening.Caused by Personnel Error. Provided Operation Supervision Instruction to Operating Crews,Stand Down Meetings & Operator Aids.With 990706 Ltr
ML17241A4041999-07-0606 July 1999
LER 99-005-00:on 990604,CEA Drop Resulted in Manual Reactor Trip.Caused by Procedural Inadequacies.Procedure Changes Are Planned to Correct Lack of Procedural Guidance for CEA Subgroup Power Switch Replacement.With 990706 Ltr
ML17241A3941999-06-30030 June 1999
LER 99-004-01:on 990415,as Found Cycle 10 Psv Setpoints Were Outside TS Limits.Caused by Manufacturing Process Defect. All Three Psvs Were Replaced with pre-tested Valves During Cycle 11 Refueling Outage.With 990630 Ltr
ML17241A3551999-06-0404 June 1999
LER 99-002-00:on 990505,both Trains of Safety Injection Actuation Were Blocked During Surveillance.Caused by Procedure Error.Procedure Revised.With 990604 Ltr
ML17241A3321999-05-17017 May 1999
LER 99-004-00:on 990415,determined That as Found Cycle 10 Psv Setpoints Outside TS Limits.Root Cause Under Investigation.Psvs Replaced with pe-tested Valves During Cycle 11
ML17241A3271999-05-0606 May 1999
LER 99-003-00:on 990406,ECCS Suction Header Leak Resulted in Both ECCS Trains Being Inoperable & Entry Into TS 3.0.3. Caused by Chloride Induced OD Stress Corrosion Cracking of Piping.Made Code Repairs & Coated Piping.With 990506 Ltr
ML17229B0791999-04-0707 April 1999
LER 99-001-00:on 990309,discovered Inadequate Design & IST SRs for Iodine Removal Sys (Irs).Caused by Original Design Inadequacies & Personnel Error.Naoh Tank Vent Valve V07233 Was Tagged Open.With 990407 Ltr
ML17229B0801999-04-0707 April 1999
LER 99-002-00:on 990311,SG ECT Error Caused Operation with Condition Prohibited by Ts.Caused by Deficiencies in Data Analysis Guideline Instructions.Licensee Will Change Data Analysis Guidelines for Lead Analysts.With 990407 Ltr
ML17229B0541999-03-10010 March 1999
LER 99-001-00:on 990211,inadequate TS SRs for SIT & SDC Isolation Valves Were Noted.Caused by Failure to Correctly Implement TS Srs.Submitted LAR to Align Required TS SR with Design Bases Requirements Being Verified.With 990310 Ltr
ML17229A9901999-01-20020 January 1999
LER 98-009-00:on 981223,noted That Facility Operated Outside of Design Basis.Caused by non-conservative MSLB Analysis Inputs.Will Review SR Component Differences Between Units & Will re-baseline LTOP Analysis.With 990120 Ltr
ML17229A9821999-01-0404 January 1999
LER 98-010-00:on 981207,RCS Boron Sample Frequency Required by Ts,Was Exceeded by Twelve Minutes.Caused by Personnel Error.Equipment Clearance Order Was Lifted to Draw Required Sample & Operations Procedure Was Changed.With 990104 Ltr
ML17229A9611998-12-22022 December 1998
LER 97-002-01:on 981204,containment Sump Debris Screen Was Not IAW Design.Caused by Inadequate C/As for Sump Screen Anamolies.All Identified Sump Screen Deficiencies Were Dispositioned &/Or Repaired.With 981222 Ltr
ML17229A9561998-12-15015 December 1998
LER 98-008-00:on 981118,missed TS SG U Tube Insp.Caused by Encoding Errors While Using Remote Positioning Fixtures.All SG Tube Surveyed.With 981215 Ltr
ML17229A9301998-11-25025 November 1998
LER 98-005-01:on 980807,discovered That New MOV Methodology Caused Past PORV Block Valve Operability Problem.Caused by Inadequacies in Original Vendor MOV Methodology.Planned Valve Mods Will Be Implemented During Cycle 11 1998 Outage
ML17229A9021998-11-0404 November 1998
LER 98-008-00:on 981008,inadequate Reactor Protection Sys Trip Bypass TS Was Noted.Caused by Poorly Worded Ts. Submitted LAR to Clarify Power Requirements for High Rate of Power Trips.With 981104 Ltr
ML17229A8771998-10-14014 October 1998
LER 98-006-00:on 980918,inadvertent Afas Actuation Was Noted.Caused by Degradation of Multiple Afas Power Supplies. Replaced Afas Power Supplies & Revised Procedures.With 981014 Ltr
ML17229A8761998-10-14014 October 1998
LER 98-007-00:on 980918,identified Discrepancies Between Fire Protection Design Requirements & Field Conditions. Caused by Inadequate Translation & Implementation of Fire Protection Requirements.Procedures Revised.With 981014 Ltr
ML17229A8511998-09-0202 September 1998
LER 98-005-00:on 980807,discovered That PORV Margins Were Insufficient to Accommodate Addl Conservatism.Caused by Inadequacies in Original Vendor MOV Methodology.Will Implement Planned Valve Actuator mods.W/980902 Ltr
ML17229A8201998-07-29029 July 1998
LER 98-007-00:on 980630,inadequate Procedure May Have Resulted in SBO Recovery Complications.Caused by Inadequate Procedures.Attached Caution Tags to Appropriate Control switches.W/980729 Ltr
ML17229A7411998-05-28028 May 1998
LER 98-004-00:on 980430,discovered Waste Gas Decay Tank Operation W/O Available Oxygen Analyzers,Which Is Prohibited by Ts.Caused by Inadequate Licensee Review of License Amend. Oxygen Analyzer recalibrated.W/980528 Ltr
ML17229A7381998-05-21021 May 1998
LER 98-006-00:on 980421,missed EDG Fuel Oil Sample Surveillance Was Noted.Caused by Personnel Error.Revised Fuel Oil Sampling Service Purchase Order & Revised Site procedure.W/980521 Ltr
ML17229A7011998-04-27027 April 1998
LER 98-003-00:on 980326,discovered Containment Pressure Instrumentation Design Single Failure Vulnerability.Caused by Inadequate Design by Personnel Error.Removed RPS & ESFAS Containment Pressure Bypass Keys immediately.W/980427 Ltr
ML17229A6761998-04-0202 April 1998
LER 98-005-00:on 980305,identified Two Conditions That Were Outside App R Design Bases.Caused by Design Oversight During Development of Original App R Safe SD Design.Established 30 Minute Roving Fire Watches & Provided training.W/980402 Ltr
ML17229A6731998-03-26026 March 1998
LER 98-002-00:on 980224,radiation Monitor Surveillance Inadequacies Led to Operating of Facility Prohibited by Tss. Caused by Congnitive Personnel Error.Permanent Procedure Changes Were implemented.W/980326 Ltr
ML17229A6551998-03-0505 March 1998
LER 98-001-00:on 980206,high/low Pressure Shutdown Cooling Interface Was Noted Outside App R Design Bases.Caused by Personnel Error.Addl Guidance Was Provided to Engineering Dept personnel.W/980305 Ltr
ML17229A6281998-02-19019 February 1998
LER 98-004-00:on 980121,emergency Lighting Outside App R Design Bases Occurred.Caused by Congnitive Personnel Error During Translation of App R Section Iii.Procedures Onop 1 & 2 ONP-100.01 Were Issued for Use on 980206.W/980219 Ltr
ML17229A6211998-02-0909 February 1998
LER 98-003-00:on 980110,manual Rt Due to DEH Leak at Turbine Test Block Was Noted.Caused by o-ring Extrusion.Shortened Bolts by About 0.125 & Reinstalled at Correct Torque values.W/980209 Ltr
ML17229A6191998-02-0404 February 1998
LER 98-002-00:on 980105,CIS Bistable in Bypass Resulted in Condition Prohibited by Tss.Caused by Personnel Error. Radiation Monitor Was Restored to service.W/980204 Ltr
ML17229A6161998-02-0303 February 1998
LER 98-001-00:on 980104,inadvertent RPS Actuation Occurred Due to Personnel Error.Caused by Procedural Inadequacies & Inadequate self-checking by Licensed Utility Personnel. Placards Have Been Placed in CRs.W/980203 Ltr
ML17229A6051998-01-27027 January 1998
LER 97-010-01:on 971027,inadvertent Core Alteration Prohibited by TSs Were Noted Due to Stuck Cea.Caused by Personnel Error.Cea #24 Was Dislodged & Transferred to Spent Pool for insp.W/980127 Ltr
ML17229A5501997-12-0505 December 1997
LER 97-008-00:on 971107,inadequate CR Ventilation Surveillance Resulted in Condition Prohibited by Ts.Caused by non-cognitive Personnel Error.Operating Procedure 2-1900050 Was revised.W/971205 Ltr
ML17309A9091997-12-0202 December 1997
LER 97-011-00:on 971102,non-conservative RAS Set Point Resulted in Operation Prohibited by Ts.Caused by Inadequate Set Point & Instrument Loop Scaling Process.Revised ESFAS Functional Tp W/Proper Set point.W/971202 Ltr
ML17229A5391997-11-26026 November 1997
LER 97-010-00:on 971027,inadvertant Core Alteration Prohibited by TS Occurred.Caused by CEA Failure to Detach from Ugs.Safety Evaluation Was Performed & Procedural Rev Made to Continue Upper Guide Structure move.W/971126 Ltr
ML17229A5151997-11-0707 November 1997
LER 97-007-00:on 971008,inoperable Containment Cooling Fan Resulted in Operation of Facility Outside Design Basis. Caused by non-cognitive Personnel Error.Ccs Operation Was Revised & Issued on 971013.W/971107 Ltr
ML17229A4991997-10-17017 October 1997
LER 97-009-00:on 970917,inoperable PORV Block Valve Resulted in Operation Prohibited by Tech Specs Occurred.Caused by Plant GL 89-10 Program Plan to Review Plant Manager Action Item Sys.Porv Block Valve V-1403 restored.W/971017 Ltr
ML17309A9011997-08-27027 August 1997
LER 97-008-00:on 970728,mechanical Fire Penetrations Were Inoperable & Outside App R Design Bases.Caused by Seal Mfg Not Providing Formal Documentation for Installed Seals. Modified Inoperable Fire penetrations.W/970827 Ltr
ML17229A4311997-07-29029 July 1997
LER 97-006-00:on 970630,discovered Inadequate Testing of Engineered Safety Features Subgroup Relays.Caused by Inadequacy in Implementing TS Requirements in Surveillance Procedures.Revised Surveillance procedures.W/970729 Ltr
ML17229A4241997-07-25025 July 1997
LER 97-005-00:on 970625,discovered That Hot Shutdown Control Panel Shutdown Cooling Flow indicator,FI-3306 Inoperable. Caused by Weakness in Work Order & Procedure Used to Repair FI-3306.Section Meeting W/I&C Planners held.W/970725 Ltr
ML17229A3971997-07-11011 July 1997
LER 97-004-00:on 970611,discovered Incorrect Original Cable Tray Fire Stop Assembly Installation Was Outside App R Design Basis.Caused by Personnel Error.Hourly Fire Watch Patrols Will Be posted.W/970711 Ltr
ML17229A3871997-06-19019 June 1997
LER 97-003-00:on 970521,determined Required Post Maint Open Stroke Test for Valve V3245,2B2 SIT Discharge Check Valve, Had Not Been Performed.Caused by Personnel Error.Procedure revised.W/970619 Ltr
ML17229A3841997-06-17017 June 1997
LER 97-002-00:on 970518,containment Sump Debris Screen Was Not IAW Design Due to Gaps in Screen Encl.Performed SER to Document Containment Sump Design requirements.W/970617 Ltr
ML17229A3751997-06-0202 June 1997
LER 97-006-00:on 970501,operation Was Prohibited by TS Due to Inadequately Tested Degraded Voltage Sys.Revised Unit 1 ESFAS Surveillance Test procedure.W/970602 Ltr
ML17229A3611997-05-29029 May 1997
LER 97-007-00:on 970502,reactor Coolant Pump Oil Collection Sys Was Outside App R Design Bases.Identified Leak Sites Were Repaired & Mods to RCP Oil Collection Sys to Capture Any Future Leakage from areas.W/970529 Ltr
ML17229A3491997-05-21021 May 1997
LER 97-001-00:on 970423,containment Isolation Actuation Occurred.Caused by Increased Radiation Levels During Removal of Upper Guide Structure.Proper Actuation of Containment Isolation Components Was verified.W/970521 Ltr
ML17229A3441997-05-13013 May 1997
LER 97-005-00:on 970419,reactor Was Shutdown Due to Reactor Coolant Pressure Boundary Leakage.Hot Cracking Was Caused by Weld Contamination.Repairs to RCPB Were Completed & 1A SDC Train Was Restored to Svc
ML17229A3141997-04-30030 April 1997
LER 97-004-00:on 970402,refueling Machine Was Operating in Manner Prohibited by TS Due to Original Design of Refueling Machine Bypass Feature Conflicting W/Ts Requirements. Eliminated Overload Cut Off Limit bypass.W/970430 Ltr
ML17229A2951997-03-31031 March 1997
LER 97-003-00:on 970304,automatic Rt Resulted from Loss of Electrical Power to 1A2 Rc Pump.Rcp Breaker Was Replaced & Pump Was Returned to svc.W/970331 Ltr
ML17229A2721997-03-21021 March 1997
LER 97-002-00:on 970221,operation in Excess of Max Rated Thermal Power Occurred Due to Digital Data Processing Sys (Ddps) Calorimetric Error.Verified Acceptable Performance of Ddps Functions & Reviewed Software mods.W/970321 Ltr
1999-07-06
[Table view]
Category:TEXT-SAFETY REPORT
MONTHYEARML17241A4891999-10-0707 October 1999
LER 99-004-00:on 990912,noted That MSSV Surveillance Was Outside of TS Requirements.Caused by Setpoint Drift.Subject MSSVs Are Being Refurbished & Retested Prior to Unit Startup from SL1-16 Refueling Outage.With 991007 Ltr
ML17241A4951999-09-30030 September 1999
Monthly Operating Repts for Sept 1999 for St Lucie,Units 1 & 2.With 991014 Ltr
ML17241A4741999-08-31031 August 1999
Rev 1 to PCM 99016, St Lucie Unit 1,Cycle 16 Colr.
ML17241A4591999-08-31031 August 1999
Monthly Operating Repts for Aug 1999 for St Lucie,Units 1 & 2.With 990913 Ltr
ML17241A4301999-07-31031 July 1999
Monthly Operating Repts for Jul 1999 for St Lucie Units 1 & 2.With 990805 Ltr
ML17241A4111999-07-16016 July 1999
LER 99-007-00:on 990610,unplanned Cooldown Transient Occurred Due to Personnel Error.Trained & Briefed Personnel & Revised Procedures.With 990716 Ltr
ML17241A4031999-07-0606 July 1999
LER 99-006-00:on 990605,sub-critical Reactor Trip Occurred Due to Inadvertent MSIV Opening.Caused by Personnel Error. Provided Operation Supervision Instruction to Operating Crews,Stand Down Meetings & Operator Aids.With 990706 Ltr
ML17241A4041999-07-0606 July 1999
LER 99-005-00:on 990604,CEA Drop Resulted in Manual Reactor Trip.Caused by Procedural Inadequacies.Procedure Changes Are Planned to Correct Lack of Procedural Guidance for CEA Subgroup Power Switch Replacement.With 990706 Ltr
ML17241A4091999-06-30030 June 1999
Monthly Operating Repts for June 1999 for St Lucie,Units 1 & 2.With 990712 Ltr
ML17241A3941999-06-30030 June 1999
LER 99-004-01:on 990415,as Found Cycle 10 Psv Setpoints Were Outside TS Limits.Caused by Manufacturing Process Defect. All Three Psvs Were Replaced with pre-tested Valves During Cycle 11 Refueling Outage.With 990630 Ltr
ML17355A3681999-06-30030 June 1999
Revised Update to Topical QA Rept, Dtd June 1999
ML17241A3551999-06-0404 June 1999
LER 99-002-00:on 990505,both Trains of Safety Injection Actuation Were Blocked During Surveillance.Caused by Procedure Error.Procedure Revised.With 990604 Ltr
ML17241A3631999-05-31031 May 1999
Monthly Operating Repts for May 1999 for St Lucie Units 1 & 2.With 990610 Ltr
ML17241A3321999-05-17017 May 1999
LER 99-004-00:on 990415,determined That as Found Cycle 10 Psv Setpoints Outside TS Limits.Root Cause Under Investigation.Psvs Replaced with pe-tested Valves During Cycle 11
ML17241A3271999-05-0606 May 1999
LER 99-003-00:on 990406,ECCS Suction Header Leak Resulted in Both ECCS Trains Being Inoperable & Entry Into TS 3.0.3. Caused by Chloride Induced OD Stress Corrosion Cracking of Piping.Made Code Repairs & Coated Piping.With 990506 Ltr
ML17241A3331999-04-30030 April 1999
Monthly Operating Rept for Apr 1999 for St Lucie,Units 1 & 2.With 990517 Ltr
ML17229B0801999-04-0707 April 1999
LER 99-002-00:on 990311,SG ECT Error Caused Operation with Condition Prohibited by Ts.Caused by Deficiencies in Data Analysis Guideline Instructions.Licensee Will Change Data Analysis Guidelines for Lead Analysts.With 990407 Ltr
ML17229B0841999-04-0707 April 1999
Rev 2 to PSL-ENG-SEMS-98-102, Engineering Evaluation of ECCS Suction Lines.
ML17229B0791999-04-0707 April 1999
LER 99-001-00:on 990309,discovered Inadequate Design & IST SRs for Iodine Removal Sys (Irs).Caused by Original Design Inadequacies & Personnel Error.Naoh Tank Vent Valve V07233 Was Tagged Open.With 990407 Ltr
ML17229B0961999-03-31031 March 1999
Monthly Operating Repts for Mar 1999 for St Lucie,Units 1 & 2.With 990408 Ltr
ML17229B0541999-03-10010 March 1999
LER 99-001-00:on 990211,inadequate TS SRs for SIT & SDC Isolation Valves Were Noted.Caused by Failure to Correctly Implement TS Srs.Submitted LAR to Align Required TS SR with Design Bases Requirements Being Verified.With 990310 Ltr
ML17229B0461999-02-28028 February 1999
Monthly Operating Repts for Feb 1999 for St Lucie,Units 1 & 2.With 990310 Ltr
ML17229B0051999-01-31031 January 1999
Monthly Operating Repts for Jan 1999 for St Lucie,Units 1 & 2.With 990211 Ltr
ML17229A9901999-01-20020 January 1999
LER 98-009-00:on 981223,noted That Facility Operated Outside of Design Basis.Caused by non-conservative MSLB Analysis Inputs.Will Review SR Component Differences Between Units & Will re-baseline LTOP Analysis.With 990120 Ltr
ML17229A9961999-01-14014 January 1999
SG Tube Inservice Insp Special Rept.
ML17229A9821999-01-0404 January 1999
LER 98-010-00:on 981207,RCS Boron Sample Frequency Required by Ts,Was Exceeded by Twelve Minutes.Caused by Personnel Error.Equipment Clearance Order Was Lifted to Draw Required Sample & Operations Procedure Was Changed.With 990104 Ltr
ML17229A9831998-12-31031 December 1998
Monthly Operating Repts for Dec 1998 for St Lucie,Units 1 & 2.With 990111 Ltr
ML17229A9611998-12-22022 December 1998
LER 97-002-01:on 981204,containment Sump Debris Screen Was Not IAW Design.Caused by Inadequate C/As for Sump Screen Anamolies.All Identified Sump Screen Deficiencies Were Dispositioned &/Or Repaired.With 981222 Ltr
ML17229A9561998-12-15015 December 1998
LER 98-008-00:on 981118,missed TS SG U Tube Insp.Caused by Encoding Errors While Using Remote Positioning Fixtures.All SG Tube Surveyed.With 981215 Ltr
ML17241A3581998-12-0909 December 1998
Changes,Tests & Experiments Made as Allowed by 10CFR50.59 for Period of 970526-981209.
ML17229A9421998-11-30030 November 1998
Monthly Operating Repts for Nov 1998 for St Lucie,Units 1 & 2.With 981215 Ltr
ML17229A9301998-11-25025 November 1998
LER 98-005-01:on 980807,discovered That New MOV Methodology Caused Past PORV Block Valve Operability Problem.Caused by Inadequacies in Original Vendor MOV Methodology.Planned Valve Mods Will Be Implemented During Cycle 11 1998 Outage
ML17229A9021998-11-0404 November 1998
LER 98-008-00:on 981008,inadequate Reactor Protection Sys Trip Bypass TS Was Noted.Caused by Poorly Worded Ts. Submitted LAR to Clarify Power Requirements for High Rate of Power Trips.With 981104 Ltr
ML17241A4931998-11-0101 November 1998
Statement of Account for Period of 981101-990930 for Suntrust Bank,As Trustee for Florida Municipal Power Agency Nuclear Decommissioning Trust (St Lucie Project).
ML17229A9051998-10-31031 October 1998
Monthly Operating Repts for Oct 1998 for St Lucie,Units 1 & 2.With 981110 Ltr
ML17229A8871998-10-19019 October 1998
Part 21 Rept Re Potential Defect in Swagelok Stainless Steel Front Ferrule,Part Number SS-503-1 Which Was Machined with Improper Length.C/A Includes Insp Equipment That Will 100% Identify Short Length
ML17229A8781998-10-19019 October 1998
Part 21 Rept Re Potential Defect in Swagelok Stainless Steel Front Ferrule,Part Number SS-503-1,which Was Machined with Improper Length.Insp Equipment That Will 100% Identify Short Length
ML17229A8771998-10-14014 October 1998
LER 98-006-00:on 980918,inadvertent Afas Actuation Was Noted.Caused by Degradation of Multiple Afas Power Supplies. Replaced Afas Power Supplies & Revised Procedures.With 981014 Ltr
ML17229A8761998-10-14014 October 1998
LER 98-007-00:on 980918,identified Discrepancies Between Fire Protection Design Requirements & Field Conditions. Caused by Inadequate Translation & Implementation of Fire Protection Requirements.Procedures Revised.With 981014 Ltr
ML17229A8721998-09-30030 September 1998
Monthly Operating Repts for Sept 1998 for St Lucie Units 1 & 2.With 981009 Ltr
ML17229A8511998-09-0202 September 1998
LER 98-005-00:on 980807,discovered That PORV Margins Were Insufficient to Accommodate Addl Conservatism.Caused by Inadequacies in Original Vendor MOV Methodology.Will Implement Planned Valve Actuator mods.W/980902 Ltr
ML17229A8611998-08-31031 August 1998
Monthly Operating Repts for Aug 1998 for St Lucie,Units 1 & 2.With 980911 Ltr
ML18066A2771998-08-13013 August 1998
Part 21 Rept Re Deficiency in CE Current Screening Methodology for Determining Limiting Fuel Assembly for Detailed PWR thermal-hydraulic Sa.Evaluations Were Performed for Affected Plants to Determine Effect of Deficiency
ML17229A8481998-08-0707 August 1998
Rev 1 to PSL-ENG-SEFJ-98-013, St Lucie Unit 2,Cycle 10 Colr.
ML17229A9461998-08-0707 August 1998
Rev 0 to PCM 98016, St Lucie Unit 2,Cycle 11 Colr.
ML17229A8301998-07-31031 July 1998
Monthly Operating Repts for July 1998 for St Lucie,Units 1 & 2.W/980814 Ltr
ML17229A8201998-07-29029 July 1998
LER 98-007-00:on 980630,inadequate Procedure May Have Resulted in SBO Recovery Complications.Caused by Inadequate Procedures.Attached Caution Tags to Appropriate Control switches.W/980729 Ltr
ML17229A7981998-06-30030 June 1998
Monthly Operating Repts for June 1998 for St Lucie,Units 1 & 2.W/980713 Ltr
ML17229A7701998-05-31031 May 1998
Monthly Operating Repts for May 1998 for St Lucie,Units 1 & 2.W/980612 Ltr
ML17229A7411998-05-28028 May 1998
LER 98-004-00:on 980430,discovered Waste Gas Decay Tank Operation W/O Available Oxygen Analyzers,Which Is Prohibited by Ts.Caused by Inadequate Licensee Review of License Amend. Oxygen Analyzer recalibrated.W/980528 Ltr
1999-09-30
[Table view] |
Text
REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:8907250172 DOC.DATE:89/07/14NOTARIZED:
NOFACIL:50-335 St.LuciePlant,'Unit 1,FloridaPower&LightCo.AUTHNAME~AUTHORAFFILIATION HOL1FIELD,C.D.
FloridaPower&LightCo.L~0"WOODY,C.O.
FloridaPower&LightCo.'ECIP.NAME
=~RECIPIENT AFFILIATION
SUBJECT:
LER89-002-00:on 890614,inoperability of1Bdieselfueloilsyscausedbymisaligned valveduetopersonnel error.W/8DISTRIBUTION.CODE:
IE22TCOPIESRECEIVED:LTR
~ENCLJSIZE:.TITLE:;50.73/50.'9 LicenseeEvent.Report(LER),Incident" Rpt,etc.NOTESDOCKETN05000335RIRECIPIENT IDCODE/NAME PD2-2LANORRIS,JINTERNAL:
ACRSMICHELSON ACRSWYLIEAEOD/DSP/TPAB DEDRONRR/DEST/ADE 8HNRR/DEST/CEB 8HNRR/DEST/ICSB 7NRR/DEST/MTB
'HNRR/DEST/RSB 8ENRR/DLPQ/HFB 10NRR/DOEA/EAB 11NUDOCS-ABSTRACT RES/DSIR/EIB RGN2FILE.01EXTERNALEG&GWILLIAMSPSLSTLOBBYWARDNRCPDRNSICMURPHY,G.A 111111111,111111111I111111.11'441111I11COPIESLTTRENCL1111RECIPIENT IDCODE/NAME PD2-2PDACRSMOELLERAEOD/DOAAEOD/ROAB/DSP IRM/DCTS/DAB
,NRR/DEST/ADS 7ENRR/DEST/ESB 8DNRR/DEST/MEB 9HNRR/DEST/PSB 8DNRR/DEST/SGB 8DNRR/DLPQ/PEB 10NRR/REPQRPB10~02,S/DSRPRABFORDBLDGHOYPALPDRNSICMAYS,GCOPIESLTTRENCL1.1221.12'~11-101.11111111122~1.;111111111DSDNOXK'IOALLnRZDSnRZCZE'ZENXS PIZASEHELPUSKOREDUCE%MTELCONZACZ'IHEDOQlMEÃZCCRZRDLDESK,RXNP1-37(EZZ.20079)mELXKBQXSYOURMNEHKHDISTRIHVTIGN.
IZSTSPDRDOCUMERHB YOUDGN~TNEZDfhDSFULLTEXTCONVERSION REQUIREDTOTALNUMBEROFCOPIESREQUIRED:
LTTR43ENCL,42 ox14000,JunoBeach,FL33408.0420 JULY.1419B9L-89-24210CFR50.73U.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Gentlemen:
Re:St.LucieUnit1DocketNo.50-335Reportable Event:89-02DateofEvent:June14,1989Misaligned ValveCausedInoperability ofthe1BDieselFuelOilSstemDuetoPersonnel ErrorTheattachedLicenseeEventReportisbeingsubmitted pursuanttotherequirements of10CFR50.73toprovidenotification ofthesubjectevent.Verytrulyyours,O.WoodActingSirVicePresident
-NuclearCOW/JRH/cm Attachment cc:StewartD.Ebneter,RegionalAdministrator, RegionII,USNRCSeniorResidentInspector, USNRC,St.LuciePlantp9072lg0f72P90714PDRPDOCK0500033PDCanFPLGroupcompany RCForm3555'33)LICENSEEEVENTREPORTtLERU.S.NUCLEARREQULATORY COMMISSION APPROVEDOMSNO.3150410eEXPIRES:5/31/SSFACILITYNAME(IISt.LucieUnit1"'""'Nisaligned ValveCausedInoperability ofthelBD'lFuelpilSstemDuetoPersonnel ErrorDOCKETNUMBER(2)050003PAE51OF0EVENTOATSISILKRNUMBERISIREPORTDATEIt)OTHERFACILITIES INVOLVEDI~IMONTHOAY0614YEARYEAR89NNQUNNTIAI.
trUMNNR002MONTHSzrP,.NUMNNA-pp07OAY14YEAR89FACILITYHAM55N/ADOCKETHUMBERIS) 0500005000OPERATINO MOOt(Sl~OWERLEUEL1PP(10I20A02(bl20AOB(elll l(020AOBIel(1)
(Nl20AOB(el(1 l(NO20AOB(e)(1)(N) 20AOB(e)II)le)20AOB(elSOM(cl(II SOM(cl(2)
X50.73lel(2)III 50.73Iel(2)IN)50.73lel(2)
IN)LICKNSKECONTACTFORTHISLKR(12)50.734)12)
IN)50.734)(2l(el50.7341(211rNI 50,734)l2)IcNI)(Al50.73(el(2((r BI(IS)50.73(e)l2IIelTHISREPORTISSUBMITTED PURSUANTT0THKREOUIREMENTS OF10CFRgr/Checttoneormoreofthefo//orfinp/
0173.71(II) 73.71(clOTHER/SpecifyinAettrectOe/oryenr/inTert,Hf)CForm355l/NAMECharlesD.Holifield, ShiftTechnical AdvisorTELEPHONE NUMBERAREACODE407465-3550COMPLETEOHKLINESOllEACHCOMPONENT FAILUREOKSCRISKD IHTHISREPORT113)CAUSESYSTKMCOMPONENT MANUFAC.TURERTONpROSAjaryfCAUSESYSTKMCOMPONENT
- @4%.,YQ,
...StolMANUFAC.TUREREPORTABLTOHPRDSNUMENSUPPLEMENTAL REPORTEXPECTED(1elEXPECTEDSUBMISSION DATEIIBI%8~>$MONTHOAYYEARYES/lfyer,completeEXPECTED$(/Sef/SS/OH DATE/NOABBTRAcT/Limittoteo0rptcer,/.e.,epproe/merely f/freonr/noreopece typewr/(ton lintel(15)ABSTRACTOnJune14,1989,at1740,withUnit1inMode1at1004power,aroutineweeklyvalvestatuscheckwasperformed inaccordance withaplantprocedure whichrecpxires avalvepositioncheckofvariousemergency dieselsystemvalves.Whileperforming thisvalvestatuscheck,the1Bdieselfueloiltransferpumpdischarge valvewasfoundinthelockedclosedposition.
Althoughthe1Bdieselwascapableofstartingandsupplying post-accident loadsduringtheevent,itwasadministratively renderedoutofserviceduetotheinoperability ofthe1Bdieselfueloiltransferpump,perTechnical Specification 3.8.1.1.b.3.
Themostprobablerootcauseofthemispositioned valvewaspersonnel errorbyautilitynon-licensedoperator, thoughtheresponsible individual hasnotbeenidentified.
Acontributing factorwasthefailuretorecordthemispositioned valveinthevalvedeviation log.Corrective actionsincludedre-opening andlockingopenthevalve,andcounseling theoperators ontheimportance of,andtheuseof,thevalvedeviation log.NRCForm355(503I CForm3SSA8831LICENSEE+NT REPORT(LERITEXTCONTINUON U.S.NUCLEARREOUI.ATORY COMMISSION APPROVEDOMBNO.3150WI04EXPIREB:8/31/88FCILITYNAME111DOCKETNUMBERI31LERNUMBER(81YEAR:~<'EQUENTIAI'
'EViSIONNUMSEA:.>1rrUMS~APACEl31St.LucieUnit1osooo389-002-0002oF03TEXT///rrroro Epocoito//rr'rod.
Irwodd/rrorro/H//C Forrrr38//AS/lI3)DESCRIONOFHEEVENTOnJune14,1989,at1740,withUnit1inMode1at100%power,aroutineweeklyemergency dieselsystemvalvestatuscheckwasperformed byautilitynon-licensed operatorinaccordance withAdministrative Procedure 1-0010125A.
Whileperforming thisvalvestatuscheck,the1Bdieselfueloiltransferpumpdischarge valve(EIIS:ISV) wasfoundinthelockedclosedposition.
Thisadministratively renderedthe1Bdieselgenerator outofservice,perTechnical Specification 3.8.1.1.b.3.
Thevalvewasunlocked, re-opened, lockedopened,andindependently verifiedlockedopen,within5minutesoffindingitclosed.Priortothisevent,thelasttimethepumpdischaxge valvewasoperatedwasat1015onJune5,1989,toplacethe1Bdieselfueloiltankonrecirculation.
Thiswasrequiredforachemistry sampleofthe1Bdieselfueloiltank.Althoughthevalvewasre-openedandlockedopenafterthesamplewascompleted, theclosingandre-opening ofthevalvewasnotrecordedintheValveDeviation Loginaccordance withAdministrative Procedure 1-0010123.
Thevalve'slockedopenpositionwasverifiedindependently onJune7byautilitynon-licensed
- operator, andonJune13byaQCInspector, whenthevalvestatuscheckofAdministrative Procedure 1-0020235A wasperformed.
OnJune14,1989,thevalvewasfoundinthelockedclosedposition.
CAUSEOFTHEVENTNofueloilsampleswexetakenandnomaintenance wasperformed onthedieselfueloilsystembetween1600onJune13,1989and1740onJune14,1989.OnlyOperations Department personnel haveaccesstothevalvelockingdevicekey.Therefore, themostprobablerootcauseoftheeventwaspersonnel errorbyautilitynon-licensed operator.
Afterinvestigation, theresponsible individual hasnotbeenidentified.
Acontributing factortotheeventwasthefailuretorecordtherepositioning ofthevalveintheValveDeviation Log.NACFOAMSOFAIMSI CForm3SSAJILICENSEENTREPORT(LER)TEXTCONTINONU.S.NUCLEARREGULATORY COMMISSION APPROVEDOMSNO.3150M(04EXPIRES:8/31/88IQCILITTNAME(llSt.LucieUnit1DOCKETNVMSER(3)YEARLERNVMSER(8)~$;SSOUSNTIAL
.(NNUMSSRREVISIONNUMSSIIPACE(31TEXT/I/morotpocoitror/u/rorL utotr/I/I(/ooo///RC
%%dnrr385l't/(171osooo33589-002-0003oF03ANALYSISOFTHEEVENTThiseventhasbeendeemedreportable pertherequirements of10CFR50.73(a)(2)(i)(B),
anyoperation orcondition prohibited bytheplant'sTechnical Specifications.
Sincethe1BDieselwasadministratively outofserviceforaslongas25hours,thesurveillance requirements ofTechnical Specification 3.8.1.1.,
whichrequiresthattheoperability oftheotherDieselbetestedwithin1hourandevery8hoursthereafter, shouldhavebeenperformed.
However,thissurveillance wasnotdonebecausetheoperators werenotawareoftheoutofservicediesel.Eachemergency dieselisdesignedforfullpost-accident loadoperation for75minutesonthedaytanks.Thefueloiltransferpumpstartsandtheinletvalvetothedaytanksopensatadaytanklevelof23inches.Withthefueloiltransferpumpdischarge valveshut,thedieselgenerator wouldstartifrequired.
However,automatic makeuptothedaytankwouldbeprevented, andthedaytanklevelwoulddecrease.
Approximately 39minuteslater,atalevelof11inchesinthedaytank,thelowlevelannunciator wouldalerttheoperators oftheproblemlocallyandinthecontrolroom.Thiswouldleaveapproximately 36minutestodispatchanoperatortotheareatolocate,unlock,andre-openthepumpdischarge valve.Sincetheemergency dieselwasavailable toperformitssafetyfunction, thehealthandsafetyofthepublicwerenotaffectedbythisevent.CORRECTIVE ACTIONS1)Operations personnel re-opened andlockedopenthevalve.2)TheOperations Supervisor counselled theoperators ontheimportance of,andtheuseof,thevalvedeviation log.ADDITIONAL NFORMAON1.COMPONENT IDENTIFICATION 2~Thiseventwasnotcausedbycomponent failure.PREVIOUSSIMILAREVENTSForasimilarevent,seeLER5335-82-48, whichpertainstotheinoperability ofthe1Adieselfueloilpumpduetovalvemispositioning becauseofimproperrestoration frommaintenance.
NRCSORMSSSA(WA1
