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

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NO.E-l.l3V.NO.13IMMEDIATE ACTIONANDDIAGNOSTICS FORSPURIOUSACTUATION OFSI,LOCA,LOSSOFSECONDARY COOLANT,ANDSTEAMGENERATOR TUBERUPTUREI:-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

~I1.0IMMEDIATE ACTIONANDDIAGNOSTICS FORSPURIOUSACTUATION OFSI,INCAtLOSSOFSECONDARY COOLANTgANDSTEAMGENERATOR TUBERUPTURESYlPlOMS:

NOTE:Theprocessvariables referredtointhisInstruction aretypically monitored bymorethanoneinstrumentation channel.Theredurdant channelsshouldbecheckedforconsistency MileprfoxmingthestepsofthisInstruction.

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..1.191.1.20Thefollowing symptomsaretypicalofthoseMichmayariseinaplantMichisundergoing alossofreactorcoolant,lossofsecondary coolantorsteamgenerator tuberupture(oneormoresymptomsmayappearinanyorder):LmrPressurizer PressureLowPressurizer WaterLevelHighPressurizer WaterLevelHighContainment PressureHighContainment Ra3iation HighAirEjectorRadiation HighSteamGenerator BlowdownRadiation SteanFlow/Feedwater FlowMismatchLetdownIsolation/Pressurizer HeaterCutoutReactorCoolantLowTavgLoopAand/orLoopBHighContairment Recirculation SmpWaterLevelLowSteamline Pressure(oneorallSteamlines)

LcwSteamGenerator WaterLevelIncreasing SteamGenerator WaterLevelRapidlyChangingReactorCoolantSystemAverageCoolant'iinperature Increased ChargingFlowHighSteamFlow(oneorallSteamLines)Increased DumpingofCVRecircfancollectors HighContainment Temperature LowFeedwater PumpDischarge Pressure 74alg7

~lNCTEThepressurizer waterlevelindication shouldalwaysbeusedinconjunction withotherspecified reactorcoolantsystemindication.

toevaluatesystemconditions ardtoinitiatemanualoperatoractions.2.0IMMEDIATE OPERATORACTIONS:2.1Conditions requiring reactortriporsafetyinjection maybecharacterized byanumberofunusualsituations ardinstrument indications.

2.1.12.1.22.2Iftheplantisinacondition forwhichareactortripiswarranted andanautanatic reactortriphasnotyetoccurred, manuallytripthereactor.RefertoFigure1attached.

Iftheplantisinacordition forRichsafetyinjection iswarranted andanautcmatic safetyinjection hasnotyetoccurred, manuallyinitiatesafetyinjection.

RefertoFigure1attached.

Verifythefollowirg actionsardsystemstatus.Ifanyofthefollowing automatic actionshavenotoccurredandarerequired, theyshouldbemanuallyinitiated.

2.2.1Reactortrip(allrodsonbottom)andturbinetrip(turbinestopvalvesclosed).~2~22.2.32.2.42.2.5Busses14,16,17,18areenergized andatapproximately 480volts.MainFeedwater Isolation hasoccurred.

Containment Isolation hasoccurred(Alarm-A26).tAuxiliary Feedwater PanpshavestartedardtheAuxiliary Feedwater SystemvalvesareintheirproperBnergency Alignment andarefullyopenorfullyclosedasappropriate.

2.2.6SIaRHRPumpshavestartedandthemonitorlightsindicatethattheSafetyInjection Systemvalvesareinthepropersafeguards position.

2.2.7Servicewaterpumpshavestartedandindicatesufficient servicewaterpressure.

2.2.82.2.92.2.102.3Containment Ventilation isolation hasoccurred(Alarm-A25).Contairment recircfansrunning&charcoalfiltersinserviceSIpumpsuctionswap-aver if(10%BASTlevel,825Aand/orBCpenVerifythefollowing:

2.3.1~~~SafetyInjection flowfromatleastonetrainisbeingdelivered tothereactorcoolantsystemwhentheReactorCoolantSystempressureisbelowthehighheadsafetyinjection pumpshutoffhead.Ifnot,attempttooperate rl equignent manuallyorlocally.2.3.2Auxiliary Feedwater flowfromatleastonetrainisbeingdelivered tothesteangenerators.

Ifnot,attempttooperateequipment manuallyorlocally.Iftheseattemptsfail,startstandbyaux.EWpumpsperE-29.3.NOTE:Onlyaftersteangenerator waterlevelis)25%inthenarrowrangeshouldtheAuxiliary Feedwater SystemFlowberegulated tomaintainrequiredlevel.2.3.3Verifythatheatisbeingremovedfromthereactorplantviathesteamgenerators bynotingthefollowing:

2.3.3.1Automatic steamdumptothecordenser isoccurring:

2.3.3.2.Reactorcoolantaveragetenperature isdecreasing towardsprogranned no-loadtemprature.

NCE'E:Ifcondenser steamdiphasbeenblockedduetoacontrolmalfunction orlossofthe"Cordenser'Available" condition, decay'eat removalwillbeeffectedbyautomatic actuation ofthesteamgenerator power-operated reliefvalves,or,iftheseproveineffective, thesteamgenerator codesafetyvalves.Inthisevent,stempressurewillbemaintained atthesetpressureofthecontrolling valve(s)andreactorcoolantaveragetemperature willstabilize atapproximately thesaturation temperature forthesteampressurebeingmaintained.

2.4WhenevertheContainment 20psigpressuresetpointisreached.verifythattheMainSteamIsolation Valveshaveclosed.Ifnot,manuallyclosetheMainSteamIsolation ValvesfrcmtheGontrolBoard.2.52.6WhenevertheContainment 30psigpressuresetpoint's reachedverifythatcontainment sprayisinitiated.

Ifnotmanuallyinitiatecontairxnent spray.Checkifconditions existsforSiteRadiation Emergency (1Rem/houronanyareamonitorpluseitherPlantVentAlarmorContainment pressure30psig.)2.72.83.0Ifthiscondition existsrefertoSC-1.3ANotifyappropriate personnel ofthenatureoftheemergency.

SUBSEQUENTÃ OPERATORACTION(ACCIDENT DIA~STICS)

(RefertoFigure2Attached) 3.1Evaluatereactorcoolantpressuretodetermine ifitislowordecreasing inanuncontrolled manner.Ifitislowordecreasing, verifythat:3.1.13.1.2Allpressurizer spraylinevalvesareclosedAllpressurizer PORV'sardsafetyvalvesareclosedIfnot,manuallyclosethevalvesfrantheControlBoardifpossible

('.>.1.4Ifpressurizer PORV(s)areopenan3cannotbeclosed,closetherespective(s) blockvalve(s)3.1.5IftheRCSpressureisabovethelowpressurereactortripsetpoint(1865)ardisstableorincreasing, gotoSTEP3.73.2StopALLReactorCoolantPumpsafterthehighheadsafetyinjection pumpoperation hasbeenverifiedarxlwhenthenarrowpresurizer pressureisat<1715psigCAUTION:Ifthereactorcoolantpumpsarestopped,thesealinjection flowshouldbemaintained.

NOTETheconditions givenaboveforstoppingreactorcoolantpumpsshouldbecontinuously monitored throughout thisinstruction.

NOZE:NotifytheNRCwithinonehourofanactuation ofthesafetyinjection system,autcmatic ormanual,toprotectthereactorcoolantsystem.Acanmunication channelshallbeleftopenforcontinuous connunication withNRC.3.3IFthecondenser airejectorradiation and/orgenerator blowdownradiation monitorexhibitabnormally highreadings, ANDcontairment

pressure, containment radiation andcontainment recirculation sumplevelexhibitnormalreadings, THENgotoE-l.4"SteamGenerator TubeRupture."

IFthesteamline pressureisabnormally lowerinonesteamgenerator thanintheothersteamgenerator, THENgotheE-l.3"LossofSecondary Coolant."

3.5IFcontainment

pressure, ORcontainment radiation ORcontainment recirculation sunplevelsexhibiteitherabnormally highreadingsorincreasing

readings, THENgotoE-l.2,"LossofReactorCoolant".

NOZEForverysmallbreaksinsidethecontairment

building, thecontainment pressureincreasewillbeverysmallandpossiblynotrecognizable bytheoperator.

For'verysmallbreaksthecontainment recirculation sumpwaterlevelwillincreaseveryslowlyardearlyinthetransient maynotirx3icate alevelincrease.

3.6IFthecontainment

pressure, containment radiation ANDcontainment recirculation sumpwaterlevelcontinuetoexhibitstablereadingsinthenormalpre-event range,withrelatively lowRSpressure, THERgotoE-l.3"LossofSecondary Coolant".

3.7Intheeventofaspurioussafetyinjection signal,thesequenceofreactortrip,turbinetripardsafeguavQs actuation willoccur.'ATE:'Iheooeratormustassumethatthesafetyinjection signalisnon-spurious unlessthefollowing areexhibited:

Normalreadingsforcontainment temperature,

pressure, radiation andrecirculation sumplevelorreasonforthedifference knownardacceptable RID t

3.7.2Normalreadingsforauxiliary buildingradiation andventilation monitoring orreasonfordifference knownandacceptable AND3.7.3Nodalreadingsforsteamgenerator blowdownardcondenser airejectorradiation.3.7.4IFallofthesymptoms3.7.1through3.7.3abovearemetandwhenthe~folloein 3.7.4~roucrh3.7.7areexhibited:

Reactorcoolantpressureisgreaterthan2000psigandincreasing AND3.7.5Pressurizer waterlevelisgreater20%AND3.7.6Thereactorccolantindicated subccoling isgreaterthan50'Fpersubcooling metersNOZE:Asabackuptothesubcooling meterstheaverageofthermocouple (points11,15,18,19 620)maybeusedwithpressurizer pressureandtheattachedsaturation curvetoverify50'Fsubcooling.

AND3.7.73.8Waterlevelinatleastonesteamgenerator isinthenarrowrangespan.THENResetsafetyinjection CAUTION:Subsequent tothisStep,shouldlossofoffsitepoweroccur,manualsafetyinjection initiation wouldberequiredtoloadthesafeguards equipment ontothedieselpoweredemergency busses.3.9Following SIreset,stopallSafetyInjection andRHRpumpsardplacetheninstandbymcdeandmaintainoperablesafetyinjection flowpaths.

3.10PlaceCVSumpApumpsinpull-stop positionbeforeresetting contairment isolation.

3.11Placeallcontainment isolation (Tsignal)valveswitchesintheclosedpositionandmanuallresetcontainment isolation byuseofkeyswitch.(Refertoautcmatic actionsinsection4ofthisprocedure forcontainment isolation valvenunbers)3.123.13Reestablish normalmakeupandletdown(ifletdownisunaffected) tomaintainpressurizer waterlevelinthenodaloperating rangeardtomaintainreactorccolantpressureatvaluesreachedMensafetyinjection terminated.

Ensurethatwateradditionduringthisprocessdoesnotresultindilutionofthereactorcoolantsystemboronconcentration.

Reestablish operation ofthepressurizer heaters(referto0-8.1,"Restoration ofPressurizer HeaterstoMaintainCirculation atHSD,"ifnoRCP'sarerunning).

Whenreactorcoolantpressurecanbecontrolled bypressurizer heatersalone,returnmakeupandletdowntopressurizer waterlevelcontrol.WZE:IFaftersecuringsafetyinjection andattempting totransfertonormalpressurizer pressureandlevelcontrol,reactorcoolantpressuredropsbelowthelowpressurizer pressuresetpointforsafetyinjection actuation ORifpressurizer waterleveldrops below10%ofspan,ORthereactorcoolantsystenis<50'Fsubcooled

~SAFElYINJECZION MUSTBEMANUALLYREINITIATED.

Theoperatormustrediagnose plantconditions ardproceedtotheappropriate emergency instruction.

NOTEIFaftersecuringsafetyinjection andtransferring theplanttanormalpressurizer pressurean3levelcontrol,thereactorcoolantpressuredoesnotdropbelowthelowpressurizer pressuresetpointforsafetyinjection actuation ANDthepressurizer waterlevelremainsabove10%span,ANDthereactorccolantindicated subcooling isgreaterthan50'Fthengotothenormaloperating instructions.

E-l.l:7HASANAUZC&IATIC REACTORTRIPOCCURRED?

EVALUATENEEDFORMANUALREACK)RTRIPIFtVRETURNTONORSEOPERATION VERIFYRFAC1QRTRIPMANUALLYINITIATEREACTORIHIPHASAUZCMATIC SIINITIATION OCCURRED?

EVALUATENEEDFORMANUALSIINITIATION IFN3IFYESCQTOEPRCCEDURE FORRxTRIPVERIFYSAFEGUARES SEQJENCEMANUALLYINITIATESIGO10FIGURE2IMMEDIATE ACTIONSFIGURE1 E~'

E-1.1:8PRCS<1865(RXTRIP?)ORPRCSDECREASING?

K)OVALPLANEENVIRCR4ENZAL 6RADIATION READ~PRCS>1715psigMANUALLY'IRIPALLRCP's(0TOE-1.4SIELV~'IQR'IUBERUETURENOCCNZLINNENP INDICATION QQLNGESANDHIGHCCbIKNSOR AIREJECKRRADIATION CRHIGHSGBIDWKSNIaDIATION PRCS>2000PSI(ANDIhCREASBK)

ANDPZR~IEVEL>20%ANDATIEASTCUESG~LEVELINNARKNPANGESPANAND'IHEPCSSUKCOLING IS>50oFG>TOE-1.3DESCFSECCNDARY CCOIANP~~'4INATE SAFEZY24EC"ICN-

'IRANSFER

'IQNBA~PRESSURIZER

~SJRE&LEVELGÃZROL03TOE-1.2IOSSCFCOOIANPACCIDEtG'O ABKR~~ORINCREASING INDICATI(XJS EXISTEQR:CONFAB"KNP PRESSURECRCONIABRBK RADIATION CRCKZAINMEIZ SIMPIEVELMcSPRCSDROPBEIOWmZSIACTUAICVSr~iINPORPRESSURIZER L~r.LBEDE10%OFSPAN?CR'CS<:50OFSUBCOOIED (D'IQE-1.3IOSSOFSECCNDARY CCOIANrMANUALLYINITIATESAFETYLVIECTICN REIURN1QFIGJRE1CD'K)E-P'SFORBx'IRIPc'IGJRE"

4.0 AUTOMATIC

ACTIONS:*Brightwhitelightindicates Kenvalveisinsafeguard position.

4.1Boricacidtanksupplytosafetyinjection pumps*MOV-826A,B,C andDClosed.4.1.14.1.2MOV825AGBSIpumpsuctionfrcmtheESTopenThet~injection linevalvestothereactorcoolantcoldlegs*MOV-878B, and*MOV-878-D.

~n.4.1.3CoredelugevalvesfrantheRHRpumps*MOV-852A ard*NOV-852-B.

Open4.1.4Thecontainment fancoolersservicewatervalvesAOV-*4561 andAOV-*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, Accumulator discharge valves,areopenMOV-1815A ardMOV-1815B, SafetyInjection Pump1CSuctionOpenMainfeedwater pumpstripanddischarge valvesclose.Hainardbypassfeedwater controlvalvesclose.'oth dieselgenerators start.Pressurizer controlardbackupheaterstrip.Allchargingpumpstrip.Ifoutsidepowerislostthefollowing breakerstripped.Screenhouse motorcontrolcentersbreakers1Gland1G2.Mtordrivenfirepump.Allcirculating waterintakeheaters.480Vbustiebreakers14-13,16-14,16-15,17-18.Instrument aircanpressors.

Allplantlightingexceptemergency DClightingardEmergency AClightingsuppliedbythediesels.4.6.7C'omponent coolingwaterpumps.

(-;.<.6.8 4.6.8.1MCC1CandMCC1Dloa3sheddingasfollows:BoricAcidTransferpumpsAandB.4.6.8.2ReactorCoolantDrainTankpumpsAan3B.4.6.8.34.6.8.4:ReactormakeupwaterpumpsAandB.Refueling NaterPurification punp.4.6.8.5SpentMelPitpump.4.6.8.6Penetration cooliefansAardB.4.6.8.7Reactorcanpartment fansAandB.4.6.8.8BoricAcidEvap.Package.4.7Lossofnormalfeedto480Vbus14orbus16duringsafetyinjection willinitiateservicewaterisolation tonon-safeguards equipment.

4.8C"4.8.14.8.2WEE:RefertoRGaEElementary 10905-118 forinformation torestoreequipnent toservice.Containment isolation (Tsignal)willbegenerated andperformthefollowing actions.Tripthecontainment sumppumps.Closethefollowirg isolation valves:(ifopen)*AOV-371*MOV-313*HOV-813*MOV-814*MOV-996A,EKC*AOV-1728

• AOV-1723 AAOV-5392

• AOV-5738

• AOV-5737

• AOV-5735

• AOV-5736

• AOV-508Letdownisolation.

Sealwaterreturnlineisolation.

Reactorsupportccolinginlet.Reactorsupportcoolingoutlet.Samplelineisolation (outsidecontairment).

Containment sumppumpdischarge

'-isolation.

Containment sumpgmpdischarge

~isolation.

Instrument Airtocontainment isolation.

1Asteamgenerator blowdownisolation.

1Bsteamgenerator bio&ownisolation.

1Asteamgenerator bio&ownsampleisolation.

1Bsteamgenerator blowdownsampleisolation.

(RNVtoContainment Isolation)

.

Contairnent ventilation signalthefollowing actions:willbegenerated ardperformTrippurgesupplyan)exhaustfans.Closethefollowing isolation valves.(ifopen)"AOV-5869

• AOV-5870

~AOV-5878 "AOV-5879 AAOV-1597

+AOV-1598

• AOV-7970

• AOV-7971 Purgesupplyoutsidecontairment.

Purgesupplyinsidecontainment.

Purgeexhaustinsidecontairment.

purgeexhaustoutsidecontainment.

Radiation monitorsupplyvalve..Radiation monitorexhaustvalve.Contairxnent depressurization valveinside.Containment depressurization valveoutside.p(contairment)

.,Samplelineisolation (pressurizer steam).Samplelineisolation (pressurizer liquid).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.autoisolation valve.Demin.WatertoContainment Isolation.

Containment airtestsupplyvalve.Containment airtestventvalve.Contairment airtestventvalve.*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-ATV3 Additional containment isolation ardcontairsnent ventilation valves,normallyclosed.(T-signal)

Checkclosed:*AOV-951Samlelineisolation outside lI<,wQL