ML17264A978: Difference between revisions
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EOP:AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE8of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9CheckSIAccumulatorLevels-STABLECalculateinleakagetoSIaccumulators(RefertoS-16.11,MONITORINGINLEAKAGETOSIACCUMULATORS).10CheckRCPSealLeakoffFlows:oLeakoffflows-WITHINTHENORMALOPERATINGRANGEOFFIGURERCPSEALLEAKOFFGotoAP-RCP.l,RCPSEALMALFUNCTION.oLeakoffflows-STABLE11CheckRCDTLeakRate-NORMAL(RefertoRCSDailyLeakageLogandPPCSpointIDL1003)CheckothersourcesofinleakagetoRCDT:a.IFRxvesselflangeleakofftemperaturehasincreased,THENcloseRxVESSFLANGESEAL'EAKOFFVLV,AOV-521.b.Verifyexcessletdownisolated.IFNOT,THENensureRCDTdivertvalve,AOV-312,intheVCTposition.c.IFsourceofleakageNOTdetermined,THENsuspectloopdrains. | EOP:AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE8of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9CheckSIAccumulatorLevels-STABLECalculateinleakagetoSIaccumulators(RefertoS-16.11,MONITORINGINLEAKAGETOSIACCUMULATORS).10CheckRCPSealLeakoffFlows:oLeakoffflows-WITHINTHENORMALOPERATINGRANGEOFFIGURERCPSEALLEAKOFFGotoAP-RCP.l,RCPSEALMALFUNCTION.oLeakoffflows-STABLE11CheckRCDTLeakRate-NORMAL(RefertoRCSDailyLeakageLogandPPCSpointIDL1003)CheckothersourcesofinleakagetoRCDT:a.IFRxvesselflangeleakofftemperaturehasincreased,THENcloseRxVESSFLANGESEAL'EAKOFFVLV,AOV-521.b.Verifyexcessletdownisolated.IFNOT,THENensureRCDTdivertvalve,AOV-312,intheVCTposition.c.IFsourceofleakageNOTdetermined,THENsuspectloopdrains. | ||
EOP:AP-RCS.1TITLEREACTORCOOLANTLEAKREV:12PAGE9ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12CheckValveLeakoffTemperatures-NORMAL(RefertoPressurizerValveLeak-OffTemperatureRecordLog)IFanyvalveleakofftemperatureisabnormallyhigh,THENinitiateinvestigationofthatleakagepath.13EstablishStablePlantConditions:a.PRZRlevel-TRENDINGTOPROGRAMb.CheckPRZRpressurecontrol:oPressure-TRENDINGTO2235PSIGoPRZRbackupheaters-OFFa.ControlchargingandletdownflowstorestorePRZRleveltoprogram.b.VerifyproperoperationofPRZRheatersandsprayortakemanualcontrolofPRZRpressurecontroller431K.IFpressurecanNOTbecontrolled,THENrefertoAP-PRZR,l,ABNORMALPRESSURIZERPRESSURE,14EvaluateRCSLeakage:a.Leakagewithinlimits(RefertoleakagesurveillancesheetandITSsection3.4.13)b.Leaklocationidentifieda.IFleakNOTisolable,butPRZRlevelandsealinjectioncanbemaintained,THENshuttheplantdown(Referto0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWNorAP-TURB.5,RAPIDLOADREDUCTION).b.ReturntoStepl. | EOP:AP-RCS.1TITLEREACTORCOOLANTLEAKREV:12PAGE9ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12CheckValveLeakoffTemperatures-NORMAL(RefertoPressurizerValveLeak-OffTemperatureRecordLog)IFanyvalveleakofftemperatureisabnormallyhigh,THENinitiateinvestigationofthatleakagepath.13EstablishStablePlantConditions:a.PRZRlevel-TRENDINGTOPROGRAMb.CheckPRZRpressurecontrol:oPressure-TRENDINGTO2235PSIGoPRZRbackupheaters-OFFa.ControlchargingandletdownflowstorestorePRZRleveltoprogram.b.VerifyproperoperationofPRZRheatersandsprayortakemanualcontrolofPRZRpressurecontroller431K.IFpressurecanNOTbecontrolled,THENrefertoAP-PRZR,l,ABNORMALPRESSURIZERPRESSURE,14EvaluateRCSLeakage:a.Leakagewithinlimits(RefertoleakagesurveillancesheetandITSsection3.4.13)b.Leaklocationidentifieda.IFleakNOTisolable,butPRZRlevelandsealinjectioncanbemaintained,THENshuttheplantdown(Referto0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWNorAP-TURB.5,RAPIDLOADREDUCTION).b.ReturntoStepl. | ||
AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE10ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATENOTIFICATION,forreportingrequirements.15NotifyHigherSupervision-END-EOP:REACTORCOOLANTLEAKREV:12PAGE11ofllAP-RCS.1APPENDIXLISTTITLEPAGES1)FIGURERCPSEALLEAKOFF EOP:AP-RCS.1TITLE:REACTORCOOLANTLEAKREV:12PAGE1of1FIGURERCPSEALLEAKOFFklSEALLEAKRATE(GPH)6LEAKRATEINCREHENTS0.2GPH3NORHALOPERATINGRANGEDPINCREHENTS50PSI250500750100012501500175020002250250081SEALDP(RCSPRESS-VCTPRESS)PSI J | AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE10ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATENOTIFICATION,forreportingrequirements.15NotifyHigherSupervision-END-EOP:REACTORCOOLANTLEAKREV:12PAGE11ofllAP-RCS.1APPENDIXLISTTITLEPAGES1)FIGURERCPSEALLEAKOFF EOP:AP-RCS.1TITLE:REACTORCOOLANTLEAKREV:12PAGE1of1FIGURERCPSEALLEAKOFFklSEALLEAKRATE(GPH)6LEAKRATEINCREHENTS0.2GPH3NORHALOPERATINGRANGEDPINCREHENTS50PSI250500750100012501500175020002250250081SEALDP(RCSPRESS-VCTPRESS)PSI J}} | ||
}} |
Revision as of 13:13, 18 May 2018
ML17264A978 | |
Person / Time | |
---|---|
Site: | Ginna ![]() |
Issue date: | 08/05/1997 |
From: | ROCHESTER GAS & ELECTRIC CORP. |
To: | |
Shared Package | |
ML17264A976 | List: |
References | |
AP-RCS.1, NUDOCS 9708130138 | |
Download: ML17264A978 (14) | |
Text
EOP:AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE1of11ROCHESTERGASANDELECTRICCORPORATIONGINNASTATIONCONTROLLEDCOPYNUMBERRESPONSIBMANAGEREFFECTIVEDATECATEGORY1.0REVIEWEDBX:9708130%38970805PDRADQCK05000244 EOP:AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE2of11A.PURPOSE-Thisprocedureprovidestheinstructionsnecessarytomitigatetheconsequencesofareactorcoolantleak.B.ENTRYCONDITIONS/SYMPTOMS1.ENTRYCONDITIONS-Thisprocedureisenteredfrom:a.S-12.2,OPERATORACTIONINTHEEVENTOFINDICATIONOFSIGNIFICANTINCREASEINLEAKAGE,whenasignificantincreaseinRCSleakageisindicated.b.AP-CVCS.1,CVCSLEAK,whenleakcannotbeisolated.2.SYMPTOMS-ThesymptomsofREACTORCOOLANTLEAKare;a.AnnunciatorF-14,CHARGINGPUMP,SPEED,lit,orb.AnnunciatorA-2,VCTLEVEL14486,lit,orc.AnnunciatorE-16,RMSPROCESSMONITORHIGHACTIVITY,lit,ord.AnnunciatorE-24,RMSAREAMONITORHIGHACTIVITY,lit,ore.AnnunciatorF-4,PRESSURIZERLEVELDEVIATION-5NORMAL+5,lit,'rf.AnnunciatorF-10,PRESSURIZERLOPRESS2185PSI,lit,org.AnnunciatorF-11,PRESSURIZERLOLEVEL134,lit.
EOP:AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE3of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDCAUTIONIF,ATANYTIMEDURINGTHISPROCEDURE,AREACTORTRIPORSIOCCURS,E-O,REACTORTRIPORSAFETYINJECTION,SHALLBEPERFORMED.NOTE:-Conditionsshouldbeevaluatedforsitecontingencyreporting(RefertoEPIP-1.0,GINNASTATIONEVENTEVALUATIONANDCLASSIFICATION.1CheckPRZRLevel-STABLEATPROGRAMLEVELIFPRZRleveldecreasing,THENstartadditionalchargingpumpsandincreasespeedasnecessarytostabilizePRZRlevel.IFPRZRlevelcontinuestodecrease,THENcloseloopBcoldlegtoREGENHxisolationvalve,AOV-427.IFavailablechargingpumpsarerunningatmaximumspeedwithletdownisolated,ANDPRZRlevelisdecreasing,THENtripthereactorandgotoE-O,REACTORTRIPorSAFETYINJECTION.
EOP:AP-RCS.1T1TLE:REACTORCOOLANTLEAKREV:12PAGE4of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:IFVCTleveldecreasesto5%,chargingpumpsuctionwillswaptotheRWST.Thismayrequirealoadreduction.2CheckVCTMakeupSystem:a.VerifyVCTlevel-GREATERTHAN5aa.EnsurechargingpumpsuctionalignedtoRWST.~LCV-112B-OPEN~LCV-112C-CLOSEDb.Verifythefollowing:1)RMWmodeselectorswitchinAUTOb.Adjustcontrolsasnecessary.2)RMWcontrolarmed-REDLIGHTLITc.CheckVCT-level:oLevelGREATERTHAN20$-OR-oLevel-STABLEORINCREASINGc.Checkletdowndivertvalve,LCV-112A,closed.IFVCTmakeupflowNOTadequate,THENperformthefollowing:1)EnsureBAtransferpumpsandRMWpumpsrunning.2)AdjustRMWflowcontrolvalve,HCV-111,toincreaseRMWflow.3)Increaseboricacidflowasnecessarytomaintainrequiredconcentration.IFVCTlevelcanNOTbemaintained,THENrefertoER-CVCS.1,REACTORMAKEUPCONTROLMALFUNCTION,ifnecessary.
EOP:AP-RCS.lTITLE:REACTORCOOLANTLEAKREV:12PAGE5ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED3CheckIfRCSLeakageInCNMT:oCheckCNMTradiationmonitors-NORMAL~R-2~R-7~R-lOA~R-11~R-12oCNMTsumpApumprunfrequency-NORMAL(RefertoRCSDailyLeakageLog)IFleakageisindicatedinCNMT,THENperformthefollowing:a.DirectHPtosampleCNMTforentry.b.Continue'withStep4.WHENCNMTclearedforentry,THENdispatchpersonneltoinvestigateCNMTforRCSleakage./CAUTIONRADIATIONPROTECTIONTECHNICIANSHOULDBECONSULTEDPRIORTOENTERINGAHIGHAIRBORNEAREA.4DispatchAOToAUXBLDGToInvestigateForCVCSLeak(lockedareakeysrequired)5CheckForLeakToCCWSystem:oCCWsurgetanklevel-APPROXIMATELY50%AND'TABLEGotoAP-CCW.1,LEAKAGEINTOTHECOMPONENTCOOLINGLOOP.oCCWradiationmonitor,R-17-NORMAL EOP:AP-RCS.1TITLE:REACTORCOOLANTLEAKREV:12PAGE6of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED6CheckCVCSConditions:a.Letdownindication:oLetdownflow-APPROXIMATELY40GPMoLowpressureLTDNpressure-APPROXIMATELY250PSIGa.IFletdownisolated,THENcontinuewithStep6b.IFNOTisolated,THENgotoAP-CVCS.1,CVCSLEAK,Step6.oLetdownpressurecontrolvalve,PCV-135,demand-APPROXIMATELY35%OPENb.Chargingindication:oSealinjectionflowsGREATERTHAN6GPMANDSTABLEb.GotoAP-CVCS.1,CVCSLEAK,Step6.oRCPLabyrinthsealD/PsGREATERTHAN15INCHESANDAPPROXIMATELYEQUALoChargingpumpdischargepressure-GREATERTHANRCSPRESSUREc.AUXBLDGradiationlevelsNORMAL~R-4~R-9~R-10B~R-13~R-14c.GotoAP-CVCS.1,CVCSLEAK,Step6andrefertoCVCSpipingdiagramsforfurtherguidance.
EOP:AP-RCS.1TlTLE:REACTORCOOLANTLEAKREV:12PAGE7of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED7CheckPRTIndications:a.Level->BETWEEN61%AND84%b.Pressure-APPROXIMATELY1.5PSIGANDSTABLEc.Temperature-ATCNMTAMBIENTTEMPERATUREANDSTABLEChecktailpipeandvalveleakofftemperaturesforthePRZRsafetyvalvesandPORVsforindicationofleakage.IFnoPORV,orsafetyvalveleakageisindicated,THENcheckotherleakpathsfromtheRCStothePRT.~Letdownreliefvalve,RV-203~Sealreturnreliefvalve,RV-314CAUTIONSTEAMGENERATORTUBELEAKAGEINONES/GSHALLNOTEXCEED0.1GPMWHENAVERAGEDOVER24HOURS.8CheckS/GsForLeakage:oAirejectorradiationmonitors-~NORMALIFS/Gtubeleakindicated,THENreferto0-6.10,PLANTOPERATIONWITHAS/GTUBELEAKINDICATION.~R-15~R-15AoS/Gblowdownradiationmonitor(R-19)-NORMALoSteamlineradiationmonitorsNORMAL~R-31~R-32oS/Gsampleactivity-NORMAL(CheckwithRPDepartmentfornormal)
EOP:AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE8of11STEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED9CheckSIAccumulatorLevels-STABLECalculateinleakagetoSIaccumulators(RefertoS-16.11,MONITORINGINLEAKAGETOSIACCUMULATORS).10CheckRCPSealLeakoffFlows:oLeakoffflows-WITHINTHENORMALOPERATINGRANGEOFFIGURERCPSEALLEAKOFFGotoAP-RCP.l,RCPSEALMALFUNCTION.oLeakoffflows-STABLE11CheckRCDTLeakRate-NORMAL(RefertoRCSDailyLeakageLogandPPCSpointIDL1003)CheckothersourcesofinleakagetoRCDT:a.IFRxvesselflangeleakofftemperaturehasincreased,THENcloseRxVESSFLANGESEAL'EAKOFFVLV,AOV-521.b.Verifyexcessletdownisolated.IFNOT,THENensureRCDTdivertvalve,AOV-312,intheVCTposition.c.IFsourceofleakageNOTdetermined,THENsuspectloopdrains.
EOP:AP-RCS.1TITLEREACTORCOOLANTLEAKREV:12PAGE9ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINED12CheckValveLeakoffTemperatures-NORMAL(RefertoPressurizerValveLeak-OffTemperatureRecordLog)IFanyvalveleakofftemperatureisabnormallyhigh,THENinitiateinvestigationofthatleakagepath.13EstablishStablePlantConditions:a.PRZRlevel-TRENDINGTOPROGRAMb.CheckPRZRpressurecontrol:oPressure-TRENDINGTO2235PSIGoPRZRbackupheaters-OFFa.ControlchargingandletdownflowstorestorePRZRleveltoprogram.b.VerifyproperoperationofPRZRheatersandsprayortakemanualcontrolofPRZRpressurecontroller431K.IFpressurecanNOTbecontrolled,THENrefertoAP-PRZR,l,ABNORMALPRESSURIZERPRESSURE,14EvaluateRCSLeakage:a.Leakagewithinlimits(RefertoleakagesurveillancesheetandITSsection3.4.13)b.Leaklocationidentifieda.IFleakNOTisolable,butPRZRlevelandsealinjectioncanbemaintained,THENshuttheplantdown(Referto0-2.1,NORMALSHUTDOWNTOHOTSHUTDOWNorAP-TURB.5,RAPIDLOADREDUCTION).b.ReturntoStepl.
AP-RCS.1REACTORCOOLANTLEAKREV:12PAGE10ofllSTEPACTION/EXPECTEDRESPONSERESPONSENOTOBTAINEDNOTE:Referto0-9.3,NRCIMMEDIATENOTIFICATION,forreportingrequirements.15NotifyHigherSupervision-END-EOP:REACTORCOOLANTLEAKREV:12PAGE11ofllAP-RCS.1APPENDIXLISTTITLEPAGES1)FIGURERCPSEALLEAKOFF EOP:AP-RCS.1TITLE:REACTORCOOLANTLEAKREV:12PAGE1of1FIGURERCPSEALLEAKOFFklSEALLEAKRATE(GPH)6LEAKRATEINCREHENTS0.2GPH3NORHALOPERATINGRANGEDPINCREHENTS50PSI250500750100012501500175020002250250081SEALDP(RCSPRESS-VCTPRESS)PSI J