ML17249A734

Emergency Procedure E-1.1,Rev 13,Immediate Action & Diagnostics for Spurious Actuation of Si,Loca,Loss of Secondary Coolant & Steam Generator Tube Rupture.

ML17249A734
Person / Time
Site:	Ginna
Issue date:	12/03/1979
From:	BODINE J C, NOON J ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17249A732	List: ML17249A731 ML17249A734 ML17249A735 ML17249A736
References
E-1.1, NUDOCS 8003060613
Download: ML17249A734 (18)

Text

ROC="ST:-2G9S.~ND:-"-CRICCORPCRTICNG~~iVAS:='~ONCO:IRQ~'DCOFZK~SU.GlNi'4~674tiCiNUibfT=,iCOMrt=<=DDAir.'-Ttir<E:~2ROCEDK3"-NO.E-l.l3V.NO.13IMMEDIATEACTIONANDDIAGNOSTICSFORSPURIOUSACTUATIONOFSI,LOCA,LOSSOFSECONDARYCOOLANT,ANDSTEAMGENERATORTUBERUPTUREI:-C='~C~c"l::-'>>12/3/79Cod~P--3-8~0mal,f~e\IAtty~'~P12--7':v.'i-3A.C:-=GO2.-/.O'h/t%fQ\~~~'v'42Sv'e~0iqf5SLING~I~wmwt1~I!8003060GQ f

~I1.0IMMEDIATEACTIONANDDIAGNOSTICSFORSPURIOUSACTUATIONOFSI,INCAtLOSSOFSECONDARYCOOLANTgANDSTEAMGENERATORTUBERUPTURESYlPlOMS:NOTE:TheprocessvariablesreferredtointhisInstructionaretypicallymonitoredbymorethanoneinstrumentationchannel.TheredurdantchannelsshouldbecheckedforconsistencyMileprfoxmingthestepsofthisInstruction.1.1.11.1.21.1.31.1.41.1.5-.1.61.1.71.1.81.1.91.1.10l.l.ll1.1.121.1.131.1.141.1.151.1.161.1.171.1.18..1.191.1.20ThefollowingsymptomsaretypicalofthoseMichmayariseinaplantMichisundergoingalossofreactorcoolant,lossofsecondarycoolantorsteamgeneratortuberupture(oneormoresymptomsmayappearinanyorder):LmrPressurizerPressureLowPressurizerWaterLevelHighPressurizerWaterLevelHighContainmentPressureHighContainmentRa3iationHighAirEjectorRadiationHighSteamGeneratorBlowdownRadiationSteanFlow/FeedwaterFlowMismatchLetdownIsolation/PressurizerHeaterCutoutReactorCoolantLowTavgLoopAand/orLoopBHighContairmentRecirculationSmpWaterLevelLowSteamlinePressure(oneorallSteamlines)LcwSteamGeneratorWaterLevelIncreasingSteamGeneratorWaterLevelRapidlyChangingReactorCoolantSystemAverageCoolant'iinperatureIncreasedChargingFlowHighSteamFlow(oneorallSteamLines)IncreasedDumpingofCVRecircfancollectorsHighContainmentTemperatureLowFeedwaterPumpDischargePressure 74alg7

~lNCTEThepressurizerwaterlevelindicationshouldalwaysbeusedinconjunctionwithotherspecifiedreactorcoolantsystemindication.toevaluatesystemconditionsardtoinitiatemanualoperatoractions.2.0IMMEDIATEOPERATORACTIONS:2.1Conditionsrequiringreactortriporsafetyinjectionmaybecharacterizedbyanumberofunusualsituationsardinstrumentindications.2.1.12.1.22.2Iftheplantisinaconditionforwhichareactortripiswarrantedandanautanaticreactortriphasnotyetoccurred,manuallytripthereactor.RefertoFigure1attached.IftheplantisinacorditionforRichsafetyinjectioniswarrantedandanautcmaticsafetyinjectionhasnotyetoccurred,manuallyinitiatesafetyinjection.RefertoFigure1attached.Verifythefollowirgactionsardsystemstatus.Ifanyofthefollowingautomaticactionshavenotoccurredandarerequired,theyshouldbemanuallyinitiated.2.2.1Reactortrip(allrodsonbottom)andturbinetrip(turbinestopvalvesclosed).~2~22.2.32.2.42.2.5Busses14,16,17,18areenergizedandatapproximately480volts.MainFeedwaterIsolationhasoccurred.ContainmentIsolationhasoccurred(Alarm-A26).tAuxiliaryFeedwaterPanpshavestartedardtheAuxiliaryFeedwaterSystemvalvesareintheirproperBnergencyAlignmentandarefullyopenorfullyclosedasappropriate.2.2.6SIaRHRPumpshavestartedandthemonitorlightsindicatethattheSafetyInjectionSystemvalvesareinthepropersafeguardsposition.2.2.7Servicewaterpumpshavestartedandindicatesufficientservicewaterpressure.2.2.82.2.92.2.102.3ContainmentVentilationisolationhasoccurred(Alarm-A25).Contairmentrecircfansrunning&charcoalfiltersinserviceSIpumpsuctionswap-averif(10%BASTlevel,825Aand/orBCpenVerifythefollowing:2.3.1~~~SafetyInjectionflowfromatleastonetrainisbeingdeliveredtothereactorcoolantsystemwhentheReactorCoolantSystempressureisbelowthehighheadsafetyinjectionpumpshutoffhead.Ifnot,attempttooperate rl equignentmanuallyorlocally.2.3.2AuxiliaryFeedwaterflowfromatleastonetrainisbeingdeliveredtothesteangenerators.Ifnot,attempttooperateequipmentmanuallyorlocally.Iftheseattemptsfail,startstandbyaux.EWpumpsperE-29.3.NOTE:Onlyaftersteangeneratorwaterlevelis)25%inthenarrowrangeshouldtheAuxiliaryFeedwaterSystemFlowberegulatedtomaintainrequiredlevel.2.3.3Verifythatheatisbeingremovedfromthereactorplantviathesteamgeneratorsbynotingthefollowing:2.3.3.1Automaticsteamdumptothecordenserisoccurring:2.3.3.2.Reactorcoolantaveragetenperatureisdecreasingtowardsprogrannedno-loadtemprature.NCE'E:Ifcondensersteamdiphasbeenblockedduetoacontrolmalfunctionorlossofthe"Cordenser'Available"condition,decay'eatremovalwillbeeffectedbyautomaticactuationofthesteamgeneratorpower-operatedreliefvalves,or,iftheseproveineffective,thesteamgeneratorcodesafetyvalves.Inthisevent,stempressurewillbemaintainedatthesetpressureofthecontrollingvalve(s)andreactorcoolantaveragetemperaturewillstabilizeatapproximatelythesaturationtemperatureforthesteampressurebeingmaintained.2.4WhenevertheContainment20psigpressuresetpointisreached.verifythattheMainSteamIsolationValveshaveclosed.Ifnot,manuallyclosetheMainSteamIsolationValvesfrcmtheGontrolBoard.2.52.6WhenevertheContainment30psigpressuresetpoint'sreachedverifythatcontainmentsprayisinitiated.Ifnotmanuallyinitiatecontairxnentspray.CheckifconditionsexistsforSiteRadiationEmergency(1Rem/houronanyareamonitorpluseitherPlantVentAlarmorContainmentpressure30psig.)2.72.83.0IfthisconditionexistsrefertoSC-1.3ANotifyappropriatepersonnelofthenatureoftheemergency.SUBSEQUENTÃOPERATORACTION(ACCIDENTDIA~STICS)(RefertoFigure2Attached)3.1Evaluatereactorcoolantpressuretodetermineifitislowordecreasinginanuncontrolledmanner.Ifitislowordecreasing,verifythat:3.1.13.1.2AllpressurizerspraylinevalvesareclosedAllpressurizerPORV'sardsafetyvalvesareclosedIfnot,manuallyclosethevalvesfrantheControlBoardifpossible

('.>.1.4IfpressurizerPORV(s)areopenan3cannotbeclosed,closetherespective(s)blockvalve(s)3.1.5IftheRCSpressureisabovethelowpressurereactortripsetpoint(1865)ardisstableorincreasing,gotoSTEP3.73.2StopALLReactorCoolantPumpsafterthehighheadsafetyinjectionpumpoperationhasbeenverifiedarxlwhenthenarrowpresurizerpressureisat<1715psigCAUTION:Ifthereactorcoolantpumpsarestopped,thesealinjectionflowshouldbemaintained.NOTETheconditionsgivenaboveforstoppingreactorcoolantpumpsshouldbecontinuouslymonitoredthroughoutthisinstruction.NOZE:NotifytheNRCwithinonehourofanactuationofthesafetyinjectionsystem,autcmaticormanual,toprotectthereactorcoolantsystem.AcanmunicationchannelshallbeleftopenforcontinuousconnunicationwithNRC.3.3IFthecondenserairejectorradiationand/orgeneratorblowdownradiationmonitorexhibitabnormallyhighreadings,ANDcontairmentpressure,containmentradiationandcontainmentrecirculationsumplevelexhibitnormalreadings,THENgotoE-l.4"SteamGeneratorTubeRupture."IFthesteamlinepressureisabnormallylowerinonesteamgeneratorthanintheothersteamgenerator,THENgotheE-l.3"LossofSecondaryCoolant."3.5IFcontainmentpressure,ORcontainmentradiationORcontainmentrecirculationsunplevelsexhibiteitherabnormallyhighreadingsorincreasingreadings,THENgotoE-l.2,"LossofReactorCoolant".NOZEForverysmallbreaksinsidethecontairmentbuilding,thecontainmentpressureincreasewillbeverysmallandpossiblynotrecognizablebytheoperator.For'verysmallbreaksthecontainmentrecirculationsumpwaterlevelwillincreaseveryslowlyardearlyinthetransientmaynotirx3icatealevelincrease.3.6IFthecontainmentpressure,containmentradiationANDcontainmentrecirculationsumpwaterlevelcontinuetoexhibitstablereadingsinthenormalpre-eventrange,withrelativelylowRSpressure,THERgotoE-l.3"LossofSecondaryCoolant".3.7Intheeventofaspurioussafetyinjectionsignal,thesequenceofreactortrip,turbinetripardsafeguavQsactuationwilloccur.'ATE:'Iheooeratormustassumethatthesafetyinjectionsignalisnon-spuriousunlessthefollowingareexhibited:Normalreadingsforcontainmenttemperature,pressure,radiationandrecirculationsumplevelorreasonforthedifferenceknownardacceptableRID t

3.7.2NormalreadingsforauxiliarybuildingradiationandventilationmonitoringorreasonfordifferenceknownandacceptableAND3.7.3Nodalreadingsforsteamgeneratorblowdownardcondenserairejectorradiation.3.7.4IFallofthesymptoms3.7.1through3.7.3abovearemetandwhenthe~folloein3.7.4~roucrh3.7.7areexhibited:Reactorcoolantpressureisgreaterthan2000psigandincreasingAND3.7.5Pressurizerwaterlevelisgreater20%AND3.7.6Thereactorccolantindicatedsubccolingisgreaterthan50'FpersubcoolingmetersNOZE:Asabackuptothesubcoolingmeterstheaverageofthermocouple(points11,15,18,19620)maybeusedwithpressurizerpressureandtheattachedsaturationcurvetoverify50'Fsubcooling.AND3.7.73.8Waterlevelinatleastonesteamgeneratorisinthenarrowrangespan.THENResetsafetyinjectionCAUTION:SubsequenttothisStep,shouldlossofoffsitepoweroccur,manualsafetyinjectioninitiationwouldberequiredtoloadthesafeguardsequipmentontothedieselpoweredemergencybusses.3.9FollowingSIreset,stopallSafetyInjectionandRHRpumpsardplacetheninstandbymcdeandmaintainoperablesafetyinjectionflowpaths.3.10PlaceCVSumpApumpsinpull-stoppositionbeforeresettingcontairmentisolation.3.11Placeallcontainmentisolation(Tsignal)valveswitchesintheclosedpositionandmanuallresetcontainmentisolationbyuseofkeyswitch.(Refertoautcmaticactionsinsection4ofthisprocedureforcontainmentisolationvalvenunbers)3.123.13Reestablishnormalmakeupandletdown(ifletdownisunaffected)tomaintainpressurizerwaterlevelinthenodaloperatingrangeardtomaintainreactorccolantpressureatvaluesreachedMensafetyinjectionterminated.Ensurethatwateradditionduringthisprocessdoesnotresultindilutionofthereactorcoolantsystemboronconcentration.Reestablishoperationofthepressurizerheaters(referto0-8.1,"RestorationofPressurizerHeaterstoMaintainCirculationatHSD,"ifnoRCP'sarerunning).Whenreactorcoolantpressurecanbecontrolledbypressurizerheatersalone,returnmakeupandletdowntopressurizerwaterlevelcontrol.WZE:IFaftersecuringsafetyinjectionandattemptingtotransfertonormalpressurizerpressureandlevelcontrol,reactorcoolantpressuredropsbelowthelowpressurizerpressuresetpointforsafetyinjectionactuationORifpressurizerwaterleveldrops below10%ofspan,ORthereactorcoolantsystenis<50'Fsubcooled~SAFElYINJECZIONMUSTBEMANUALLYREINITIATED.Theoperatormustrediagnoseplantconditionsardproceedtotheappropriateemergencyinstruction.NOTEIFaftersecuringsafetyinjectionandtransferringtheplanttanormalpressurizerpressurean3levelcontrol,thereactorcoolantpressuredoesnotdropbelowthelowpressurizerpressuresetpointforsafetyinjectionactuationANDthepressurizerwaterlevelremainsabove10%span,ANDthereactorccolantindicatedsubcoolingisgreaterthan50'Fthengotothenormaloperatinginstructions.

E-l.l:7HASANAUZC&IATICREACTORTRIPOCCURRED?EVALUATENEEDFORMANUALREACK)RTRIPIFtVRETURNTONORSEOPERATIONVERIFYRFAC1QRTRIPMANUALLYINITIATEREACTORIHIPHASAUZCMATICSIINITIATIONOCCURRED?EVALUATENEEDFORMANUALSIINITIATIONIFN3IFYESCQTOEPRCCEDUREFORRxTRIPVERIFYSAFEGUARESSEQJENCEMANUALLYINITIATESIGO10FIGURE2IMMEDIATEACTIONSFIGURE1 E~'

E-1.1:8PRCS<1865(RXTRIP?)ORPRCSDECREASING?K)OVALPLANEENVIRCR4ENZAL6RADIATIONREAD~PRCS>1715psigMANUALLY'IRIPALLRCP's(0TOE-1.4SIELV~'IQR'IUBERUETURENOCCNZLINNENPINDICATIONQQLNGESANDHIGHCCbIKNSORAIREJECKRRADIATIONCRHIGHSGBIDWKSNIaDIATIONPRCS>2000PSI(ANDIhCREASBK)ANDPZR~IEVEL>20%ANDATIEASTCUESG~LEVELINNARKNPANGESPANAND'IHEPCSSUKCOLINGIS>50oFG>TOE-1.3DESCFSECCNDARYCCOIANP~~'4INATESAFEZY24EC"ICN-'IRANSFER'IQNBA~PRESSURIZER~SJRE&LEVELGÃZROL03TOE-1.2IOSSCFCOOIANPACCIDEtG'OABKR~~ORINCREASINGINDICATI(XJSEXISTEQR:CONFAB"KNPPRESSURECRCONIABRBKRADIATIONCRCKZAINMEIZSIMPIEVELMcSPRCSDROPBEIOWmZSIACTUAICVSr~iINPORPRESSURIZERL~r.LBEDE10%OFSPAN?CR'CS<:50OFSUBCOOIED(D'IQE-1.3IOSSOFSECCNDARYCCOIANrMANUALLYINITIATESAFETYLVIECTICNREIURN1QFIGJRE1CD'K)E-P'SFORBx'IRIPc'IGJRE" 4.0AUTOMATICACTIONS:*BrightwhitelightindicatesKenvalveisinsafeguardposition.4.1Boricacidtanksupplytosafetyinjectionpumps*MOV-826A,B,CandDClosed.4.1.14.1.2MOV825AGBSIpumpsuctionfrcmtheESTopenThet~injectionlinevalvestothereactorcoolantcoldlegs*MOV-878B,and*MOV-878-D.~n.4.1.3CoredelugevalvesfrantheRHRpumps*MOV-852Aard*NOV-852-B.Open4.1.4ThecontainmentfancoolersservicewatervalvesAOV-*4561andAOV-*4562.Open(Statuslightonly)4.1.54.1.64.2~.2.14.34'4.54.64.6.14.6.24.6.34.6.44.6.54.6.6*MOV-841and*MOV-865,Accumulatordischargevalves,areopenMOV-1815AardMOV-1815B,SafetyInjectionPump1CSuctionOpenMainfeedwaterpumpstripanddischargevalvesclose.Hainardbypassfeedwatercontrolvalvesclose.'othdieselgeneratorsstart.Pressurizercontrolardbackupheaterstrip.Allchargingpumpstrip.Ifoutsidepowerislostthefollowingbreakerstripped.Screenhousemotorcontrolcentersbreakers1Gland1G2.Mtordrivenfirepump.Allcirculatingwaterintakeheaters.480Vbustiebreakers14-13,16-14,16-15,17-18.Instrumentaircanpressors.AllplantlightingexceptemergencyDClightingardEmergencyAClightingsuppliedbythediesels.4.6.7C'omponentcoolingwaterpumps.

(-;.<.6.84.6.8.1MCC1CandMCC1Dloa3sheddingasfollows:BoricAcidTransferpumpsAandB.4.6.8.2ReactorCoolantDrainTankpumpsAan3B.4.6.8.34.6.8.4:ReactormakeupwaterpumpsAandB.RefuelingNaterPurificationpunp.4.6.8.5SpentMelPitpump.4.6.8.6PenetrationcooliefansAardB.4.6.8.7ReactorcanpartmentfansAandB.4.6.8.8BoricAcidEvap.Package.4.7Lossofnormalfeedto480Vbus14orbus16duringsafetyinjectionwillinitiateservicewaterisolationtonon-safeguardsequipment.4.8C"4.8.14.8.2WEE:RefertoRGaEElementary10905-118forinformationtorestoreequipnenttoservice.Containmentisolation(Tsignal)willbegeneratedandperformthefollowingactions.Tripthecontainmentsumppumps.Closethefollowirgisolationvalves:(ifopen)*AOV-371*MOV-313*HOV-813*MOV-814*MOV-996A,EKC*AOV-1728*AOV-1723AAOV-5392*AOV-5738*AOV-5737*AOV-5735*AOV-5736*AOV-508Letdownisolation.Sealwaterreturnlineisolation.Reactorsupportccolinginlet.Reactorsupportcoolingoutlet.Samplelineisolation(outsidecontairment).Containmentsumppumpdischarge'-isolation.Containmentsumpgmpdischarge~isolation.InstrumentAirtocontainmentisolation.1Asteamgeneratorblowdownisolation.1Bsteamgeneratorbio&ownisolation.1Asteamgeneratorbio&ownsampleisolation.1Bsteamgeneratorblowdownsampleisolation.(RNVtoContainmentIsolation).

Contairnentventilationsignalthefollowingactions:willbegeneratedardperformTrippurgesupplyan)exhaustfans.Closethefollowingisolationvalves.(ifopen)"AOV-5869*AOV-5870~AOV-5878"AOV-5879AAOV-1597+AOV-1598*AOV-7970*AOV-7971Purgesupplyoutsidecontairment.Purgesupplyinsidecontainment.Purgeexhaustinsidecontairment.purgeexhaustoutsidecontainment.Radiationmonitorsupplyvalve..Radiationmonitorexhaustvalve.Contairxnentdepressurizationvalveinside.Containmentdepressurizationvalveoutside.p(contairment).,Samplelineisolation(pressurizersteam).Samplelineisolation(pressurizerliquid).GasanalyzerlinefromPRTisolation.N2Supplylinetoaccumulators.RHRloopsamplelineisolation.R.C.draintankgasanalyzerisolation.R.C.draintankventheaderisolation.R.C.draintankventheaderisolation.R.C.draintankpcssuctionline.R.C.D.T.pumplAsuctionline.R.C.D.T.punp1Bsuctionline.D.I.watertoC.V.autoisolationvalve.Demin.WatertoContainmentIsolation.Containmentairtestsupplyvalve.Containmentairtestventvalve.Contairmentairtestventvalve.*AOV-953*AOV-955~AOV-539*AOV-846"AOV-959"AOV-1789*AOV-1786*AOV-1787*AOV-1721*AOV-1003A'AOV-1003B*AOV-8418*AOV-8418*MOV-ATV1*NOV-ATV2*llOV-ATV3Additionalcontainmentisolationardcontairsnentventilationvalves,normallyclosed.(T-signal)Checkclosed:*AOV-951Samlelineisolationoutside lI<,wQL