ML17255A516

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Rev 1 to Procedure A-25.4, Reactor Post-Trip Review.
ML17255A516
Person / Time
Site: Ginna Constellation icon.png
Issue date: 09/01/1983
From:
ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17255A515 List:
References
A-25.4, NUDOCS 8311150370
Download: ML17255A516 (32)
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Text

ATTACHMENT1GIN+<STATIONIJNIT<PALCOMPLETEDDATE:-ROCHESTERGASANDELECTRICCORPORATIONTIME:-GINNASTATIONCONTROLLEDCOPYNUMBERPROCEDURENO.""'A'-25.4.;:,'";REV.NO.1~'iREACTORPOSTTRIPREVIEWTECHNICALREVIENPORCREVIEWDATEQCREVIENPTSUPERINTENDENTEFFECTIVEDATE~QA~NON-QACATEGORY1~0REVIEWEDBY:THISPROCEDURECONTAINS3PAGES8311150370831104PDRADOCK05000244PDR a0/I

~IA-25.4:1A-25'REACTORPOSTTRIPREVIEW'PURPOSE:=hecondu'c't~o.Todefineduties~ndresponsxbxlitxesfor.tareactorposttripreview.Thisrey'iew,'wil'1,be,'con'ddjte>6todeterminethecausesofallreactorunplanneChbrxpsgtGinnaStation.1~2Todefinethescopeofthereviewandtherecordthatmust.bereviewedtoperformthisassessment.2.82'2'2'2.4~.s

3.8REFERENCES

FacilityTechnicalSpecificationsA-25"ReportingofUnusualPlantConditions"A-25.1"GinnaStationEventReport"0-9.3"NRCImmediateNotification"InternalNRCMemoFromR.kf.Starostecki,Director,DPRPINSTRUCTIONS:3~1ControlRoom0erators3~1~1ControlRoomoperatingpersonnel,inadditiontosubmittingaA-25.1"UnusualEventReport",shou3;dprepareawrittenaccountoftheevent.Thisaccountisintendedtobewrittenfrommemoryandthereforeshouldbewrittenassoonaftertheeventaspractical.UponcompletionofthewrittenaccountitshouldbeforwardedtotheShiftSupervisor.3~2ShiftTechnicalAdvisor3~2~1TheShiftTechnicalAdvisorshallperformapreliminaryassessmentoftheevent.ThisshallbedocumentedbycompletionofthesupplementtoA-25.1"UnusualEventReport."Uponcanpletionofthesupplement,forwardittotheShiftSupervisorforinclusionwiththeA-25.1Report.TheShiftechnicalAdvisorwillalso,uponrequestoftheShiftSupervisor,assistwiththeShiftSupervisor'sassessment.

0 A-25.4:23'OtherPlantPersonnel3~3~13.43.4.1Anyotherplantpersonnelthatareinvolvedwiththeevent(AuxiliaryOperators,ISC,Techs,Electriciansetc.)shouldmakenotesoftheiractivitiesrelatedtotheevent.ThesenotesshallbeforwardedtotheShiftSupervisor.ShiftSuervisor/;q>~",;'.:,/.TheShiftSupervisor,'~a.s!to.revi'ewtheA-25'report,operator.notes,theShiftTechnical'Advisorsassessmentandanyotherinformationavailableto",m'ake,.a.prel'iminaryassessmentofcauseoftheReactorTrip.The,ShiftSuperviso'rytraycallupontheShiftTechnicalAdvisorandariy',~othei,';pl'jnt-'-personneltoassisthiminhisassessment.TheShiftSupervisox'/Assessment.andmaterialusedintheassessmentwild.bepatsedtotheDutyEngineeraftertheShiftSupervisorcompleteshisassess-ment."'T~g3.5DutEnineerTheDutyEngineershallreviewtheShiftSuprvisor'assessmentoftheevent.Ifthecomputerposttripreviewprintoutisavailableitshallalsobereviewed.TheDutyEngineershallmakeanassessmentofthecauseoftheevent.TheDutyEngineershallforwardallmaterials,includinghisassessment,tothePlantSuperintendent.3.6PlantSuerintendent3~6.1ThePlantSuperintendentshallschedu1eameetingofthePlantOperationsReviewCommittee(PORC)withthepurposeofreviewingtheevent.3~7PORC3~7.1PORCshallreviewtheeventandeitherconcurwiththeassessmentpresentedtoitorinitiateitsowninvestigationintothecauseoftheevent.3.80erationManaerOperationManagerorhisalternateshallreviewthismaterialandconcurwithPORC'sassessmentpriortotakingthereactorcritical.

A-25':3CorrectiveActionsAnymemberoftheplantstaffmayinitiatecorrectiveactionbybringingthemattertotheattentioncfplantmanagementortheShiftSupervisor.3.9'Theplantshallnotbemadecriticalafteratripuntiltheeventhasbeenreviewedandthecauseisknown.4.8RECORDS:4'RecordsofthereviewshallbenotedintheminutesofthePORCThePORCminutesshallbethepermanentrecordofthereview.

1.2POST-TRIPREVIEW-DATAANDINFORMATIONCAPABILITY1.2.1.1On-offindicationsareincludedinthesequenceofeventsreportwhichisgeneratedbytheWestinghouseProdac-250Sigma2VersionPlantProcessComputer.1.2.1.2Thefollowingparametersaremonitoredbytheplantprocesscomputerforthesequenceofeventsreport.GeneratorOutputBreakers1G1372,9X1372GridBreaker91102PressurizerPORVsInstrumentBusInverters(A6CInstrumentBuses)InstrumentBusVoltageLow(BaDInstrumentBus)UndervoltageBuses11AandllBRxTripUnderfrequencyBusesllAandllBRxTripReactorCoolantPumpTripcausesRxTripPressurizerLowPressureSIcausesRxTripReactorManualTripReactorTripBreakersReactorAuxiliaryTripBreakersSteamGeneratorLowLevelandSF/FFmismatchtripManualSIcausesRxTripTurbineTripcausesRxTripPressurizerHiLevelRxTripS/GLowLowLevelRxTripPowerRangeHiPowerTripPowerRangeLoPowerTripIntermediateRangeHiTripSourceRangeH,TripSteamLineLowPressureSafetyInjectioncausesRxPressurizerLowPressureRxTripTurbineLowOilPressureTurbineTripContainmentHiPressureSIcausesRxTripOverpowerDeltaTTripOvertemperatureDeltaTTripReactorCoolantLossofFlowcausesTrip1.2.1.3Thetimediscriminationfortheseeventsis'6.67milliseconds.Trip1.2.1.4TheformatoftheseitemsonasequenceofeventsprintoutisshownonAttachmentlA,Figurel.1.2.1.5Sincethedataisrecordedonahardcopy,itcanberetainedvirtuallyindefinitely.1.2.1.6Thenormalsourceofpowerforthecomputeristhreephasepowerfromastaticswitch,whichreceivesitspowerfromaninverter.ThisinverterisfedbyabatterychargerwhichreceivesitspowerfromClassIEMotorControlCenter1K.IntheeventpowerislostfromMCC1K,powerissuppliedtotheinverterbyabatterywhichnormallyreceivesachargefromthecharger.Intheeventofaninverterfailure,thestaticswitchreceivesitspowerdirectlyfromMCC1K.

i1A)ll 1.2.2.1Theplantcomputer,stripchartsandmultipointrecordersareusedandhavethecapabilityofaidingintheassessmentofthetimehistoryofanalogvariableswhichareneededtodeterminethecauseofunscheduledreactorshutdowns.1.2.2.2Thefollowingparametersaremonitoredforthepre/posttripreviewbythecomputeratanintervaloftwoseconds.NISPowerRangeTurbineFirstStagePressureGrossElectricalOutputReferenceTemperatureThefollowingparametersaremonitoredforthepre/posttripreviewbythecomputeratanintervalofeightseconds.NISIntermediateRangesNISPowerRangesNISPowerRangesUpperandLowerDetectorsSteamGeneratorSteamFlowsSteamGeneratorFeedFlowsPressurizerLevelTurbineFirstStagePressureGrossGenerationSteamGeneratorsPressureReactorCoolantLoopsTavg.ReactorCoolantLoopsDeltaTSteamGeneratorWaterLevelsPressurizer,PressureReactorCoolantLoopDeltaTReactorCoolantSystemWideRangePressureReactorCoolantSystemOverpowerDeltaTSetpointReactorCoolantSystemOvertemperatureDeltaTSetpointReactorCoolantSystemColdLegTemperaturesReactorCoolantSystemTavg.Thefollowinganalogpenandmultipointrecordersprovidefurtherdatawhichisusedtoassessthecauseofunscheduledreactorshutdowns.Multipointrecordersarenotedbyanasterisk(*).RecorderTitleRan<acR.C.P.LeakageFlow/HighRangeR.C.P.LeakageFlow/LowRangeRHRLoop/RCInletTemperatureRCColdLoop/ColdLegTemp.RCSWideRangePressureTavgeDeltaTemperaturePressurizerPressure(NarrowRangeandWideRange)PressurizerLevel0-6gpm0-1gpss50-400F50-650F0-3000Bsig540-f15F0-75F1700-2500psig0-3000psig0-100%

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RecorderNTitleRancae1011,13121415161718192021233247A47B47C47Dsnge)e)atureBoricAcidReactorMake-upWaterFlowFeedwaterandSteamFlow,LoopAandBSteamGeneratorLevel(WideRa*Vibration,Expansion(Turbin*TurbineMetalTemperatureTurbineRotorPositionTurbine-ValveMovement*AirTemperature*PumpMotorandStatorTemper*GeneratorGasTemperature*R.C.P.Temperatures*Condensate/Feedwater(pH)WindSpeed/WindDirection"A"Input-"A"SteamLineRadiationLevel"B"Input-"B"SteamLineRadiationLevel(ValvePositions)"B"Recorder"A"Input-"B"SteamHeaderAtmosphericRelief"B"Input-"B"SteamHeaderAtmosphericRelief"C"Input-"B"SteamHeaderAtmosphericRelief"D"Input-"B"SteamHeaderAtmosphericRelief"E"Input-T.D.AFWPumpSteamSupplyValve"F"Input-C.V.57"A"HeaderPowerOperatedRelief(ValvePositions)"A"Recorder"A"Input-"A"SteamHeaderAtmosphericRelief"B"Input-"A"SteamHeaderAtmosphericRelief"C"Input-"A"SteamHeaderAtmosphericRelief"D"Input-"A"SteamHeaderAtmosphericRelief"E"Input-T.D.AFWPumpSteamSupplyValve"F"Input-C.V.56"A"HeaderPowerOperatedReliefChannel2"B"SumpLevelPT-948ContainmentPressureLT-2044"A"SumpLevel"B"Loop"T"SaturatedMargin0-10gpm0-100gpss,,0,-'4.Ox10ibm/hr0-500"H02Various0-600F0-.120in.0-1000-250F30-138C0-15050-250F.2-12p0-360.1mr/hrto10R/hr.1mr/hrto10R/hr0-100%Open0-100%Open0-100%0-100psig0-10050-100F I1fVI"III Recorder¹47E71/7273/747677/78/797778798081,82TitleChannel1"B"SumpLevelLT-2039"A"SumpLevel"A"Loop"T"SaturatedMarginPowerRangeDetectorCurrentsPowerRangeDetectorCurrentsRodPosition,InsertionLimits*RadiationMonitoringSystemasFollows:R-1ControlRoomnR-2ContainmentUpperLevel.R-3,Radiochem.LabR-4ChargingPumpRoomR-5SpentFuelPitR-6NuclearSampleRoomR-7ContainmentIncoreAreaR-8DrummingStationR-9LetdownLineMonitorR-10AContainmentI131R-10BAux.BuildingI131R-llContainmentParticulateR-12ContainmentGaseousR-13Aux.BuildingParticulateR-14Aux.BuildingGaseousR-15AirEjectorDischargeR-29ContainmentHighRangeAreaAChannelContainmentH2MonitorR-16ContainmentFanCoolerMonitorR-17ComponentCoolingWaterR-18LiquidWasteMonitorR-19S/GBlowdownR-20SpentFuelPitServiceWaterR-30ContainmentHighRangeAreaBChannelContainmentH2MonitorNISRecorderSourceIntermediatePowerOverpowerRecorderRancae0-100%0-100%0-100F0-5milliamp0-5milliamp0-230steps10/hto10mr/hr.10to10cpm10-10R/hr.0-20%H1610-10cpm10-10R/hr.070-20%H82101/0cps10-10amps0-120%power0-200%powerTheaboveparametersandtheirsamplingratesarechosentoallowidentificationofthecausesofunscheduledreactorshutdowns.1.2.2.3Atimehistoryof18secondspriortoand18secondsfollowingareactortripisrecordedfortheparameterswhicharemeasuredat2secondintervals.Atimehistoryof2minutesbeforeand3minutesafterareactortripisrecordedfortheparameterswhicharemeasuredat8secondintervals.Dataonthestripchartsandmultipointrecordersisavailableforanindefinitetimebothbeforeandafterreactortrips.

'*IIPl 1.2.2.4Theformatfordisplayingdatafromthecomputerforpost-tripreviewsisshownonAttachment1A,Figures2through7.1.2.2.5Becausethedatalistedaboveisproducedonahardcopy,itcanberetainedforanindefiniteperiodoftime.1.2.2.6ThepowersourcestothemultipointandpenrecordersissuppliedbythefourClassIEinstrumentbusses.1.2.3OtherDataandInformationavailableassessthecauseofunscheduledreactorshutdownsare:1)'Alarmtypewriterprintout2)Trendtypewriterprintout3)Logtypewriterprintout4)AnalogPenRecorderCharts5)MultipointRecorderCharts1.2.4Experiencehasdemonstratedthatsufficientdataisavailablefollowinganunscheduledreactortriptoproperlyassessthecause.RGSEiscurrentlyexpectingtoreplacetheplantprocesscomputerin1985.Thisnewcomputerwillprovideatleastasmuchinformationasthecurrentsystem.

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-0ATTACHMENTlgN0000SEQUEiNCEOFEVENTSRECORD.FIRSTEVENTD0004,5KVAUXILIARYBREAKERD001BYPASSVALUESD002COiVDENSATEPUMPD003CIRCULATINGWATERPUMP1D004CIRCULATIiVGWATERPUMP2D005FIELDBREAKERD019FIELDRHEOSTATD020GOVERNORCONTROLD200ANNUNCIATORBUZZERD201FORCEDDRAFTFAN10001EiVDSEQUENCEOFEVENTSRECORDATHOOKIOOS08CLOSEDC0CLOSEDC15RUiVIiVGC29RUNIiVGC44RUNINGC57CLOSEDC71MINC86ONC101ONC129RUNINGC1440001SEQUENCEOFEVENTSRECORD.FIRSTD0004.5KVAUXILIARYBREAKERD001BYPASSVALUESD002.CONDENSATEPUMPD003CIRCULATINGWATERPURIP1D004CIRCULATINGWATERPUMP2D005FIELDBREAKERD019FIELDRHEOSTATD020GOVERNORCONTROLD200ANNUNCIATORBUZZERD201FORCEDDRAFTFAN10003ENDSEQUENCEOFEVENTSRECORDEVENTATHOOM01S27OPENCOPENCSTOPEDCSTOPEDCSTOPEDCOPENCNOHh'IALCOFFCOFFCSTOPEDC01372924205627088241004121413695'p~guySampleSIPrintoutS2G-08All/68 "7I 03'aar~014IVC0:3VO7r.2/lQ2223l/)00aaar0220v\alasaaa02CCV223CISrlQ0233\r)223V0CS'TTACHMEN17532SECO4'tDCOLLECTEDPRE-TRIPDATATRIPTIIP.-175046TRIPDATE>>4/14/75NISPNERRAGESItK"I..tt0041II0042N0043N0044TUPO.FIRSTSTAGF..TIf<2F0485P0486GROSSTREF175029.0175031.0175033.0175037.0175039.0175041.0175043.0175045.01,21.21.25.11.2)021.2*-'.21.2',23,22.23,22.23.22.23,22'.3,22023.22'3,22.23.222-324.24.24.24.24.24.24.24.2175029.0'020.07.28.2175031.05.20.07.2'8.2'75033.05.2,0.0-7.28.2175035.0"5.20.07.2J.1175037,05.20.07.28,2175039.05.20.07.28.2175041.05.20.07.28.2175043.05.20.07.2'0.2175045.05.20.07.2.-8.217552SECONDCOLLECTEDPOST-TRIPDATATRIPTIVE-175046175047.0'.22.23.24.2175045.05.2-0.0.-7,2'.1'>'i-'.,8.23>/II/iiil/y/I'"'175049.0"1.2"'2.2"-"3.2"-"4.2'75049,0""5;2"""0.0"';"::7;2:3;27'//IitiiIIi:7175051.01.2'.2'3.24.2175051.0'.2.,0.0,':77.2'.I,0.275053.~~.2~~.2175053:05.20.~175055.01.22.23.24.2M175055,05.20.07.2~/8.2"175057,0'1,22.2"""'"'"3',2""'"""""4.2'75057.0"":5.2"-'""0.0"':"7.2,'.,/fi'7'~08".2t///'/gI/17505911~22~23~24~2175059025~2,0~0.,':.'7~2~5I.'~2ii/ii//i//j175101.0"'122,2""""32"'"'"4,2"'175101,05;2'"""2"'0~0"-':'7;2',"t;;iii8;2"ig/j"'ft175103.1r1~22.2.3024.2175103.1"5.2'.':0.0'::;7.2'"'8;2' 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ATTACHMENT18268SECONDCOLLECTFDPRE"TRlPDATATRIPT1YE-175046TRlPDATE-4/14/75REACTORCOOLANTOVERTOPDTSETPTREACTORCOOLANTOVERPOt<RDTSDTPTCOLDLEGTEHPPEACTORTII~TO\05A=T0406A'0407A11140IIA'TO'105C70406~0407CT0408~40~410TA'74849.5-'7.853.&59.860.061.862.863.86<,8-'&.0'--65.0:-67.8174857.557.&53.859.860.061.862.863.864.&7S.665.267.8174905.5"57.858,859.&60.0Gl.s62.8G3.8'<.8""77,86h.667.8=174913.557.858.S59.860.&Gl,&62.&63.&64.877.6.64.667.8749215578588598'00"61116286'5064~76GO~174929.557.858.859.860,061,362.863.864.877.665,0678"17'4937.5"57.8'8.059.860.861.862.863.864.8'0,2'5.0"67.8174945.557.858.859.860.&61.862.8G3.864.878.465.067.8174953.5-'7.&---'&.859.860.861.862.8-63.8--64.8'70.4--65.0-67.8175001.557.85&.859.860.061.862.863.864.878.064;867.85009~7.850~9:860:0'61:86'7;863;~c.078.~175017~557~858~859~860~8618~62~8863~8~Tg648,Ii7~77~85gI/0.6I~S.67~8175025557~8""58~8'""""59;8""--"60~8""""61,8"";""62,8""""63,8:j64,8":/i!'-.7&0'/ti(650;/~'67~8175033.557.&58.859.860.061.8.62.8563.&'ti64.8,'I:,/I'..II77.8!t,I!/I;64.4,I67.&'175041.5"57.85S,S"'""59.8""'"60.8""""'1.8"""'2.8"'"'"63.8""64;8';.'I;!':78".OI/litii:6'i.S'I-e7.STI130050COIGTCOCCGCTIGTTOGTTATP1%7~~~7500~.77'.,7qP175049.557.858,8'-"""'59.8'60.0'----.'1.8::'2,8,"';:6308.',7;i<':'64;8.07;'7&i2$/ffff76502'7~175057.5570858,859.860.861~8';62.8;63.8!i;.6','64.80///l;777.8.IIII/'65.067.8175105.557.850.0"""'"590"""""600""61.11"li"G20'-i:,"63.8;:::64,'0';/i'i700'll'I"6.4'670175113.557.8,58859.8"60.8,61.8'2.&':"63.8/I!".64.8"78.0'<.467.8175121.~7.850:859.860:0,,61.862.8,.63.8;1I,~64.~0.~~7.175129.557~8;58~859~860'.0:,."61.8,2";;-G2~&i"63~8I;I//'I64~80/0/578.0ggII64.467~8175137~557~8'8~&'--59~8--'0~8'i'"Gl0"""62~8';I'63~8il/::64~878i2"////'65~067~8175145.557.&,~5&.s59.86o.s.,';.61.&..'::tI2.8:i,.,:63.8",//",64.8"//Ijl78.2;,//I/j64.667.s175153.557.S~-'5&.859.&"60.8"-'1.8':<:::"62.8"'1::"63.8':J!t."64.8"rfftfI7&;2'tf/~65.067.8175201.55748'&4&'590860.061.862.863.864.S.77.864.467.875209;~7.~8:859:0GO:061.8G2:86'1.86~0.0175217.557.&58.859.860.861.862.863.864.870.064.667.8175225.5'57.8"58.8-'9.8'0.8'-61.8"G2.8'63.8'4.87&.064;667.8175233.557.858.859.860.861.862,863.864.878,064,3.6708-175241.5---57.8---5S.B-'"59.8"-'O.S'1.8""*62.8-63.8',64.87&.064.467.8175249.557.8530859.8GO.S61.862.863.864.878.264,8"67.8275257-.5-57-.S-58-.8-59:8-60;8-.61-.8-<2-.~5-.0-64-.II-77-.S--'e4-.~175305.557.858.859.860.861.&62.863.864.878.264.467.8175313.5'57,.8-058.8"-'9as"60.8'"61.8'2.8'63.864.&-70.265.267.8175321.557,858.&59.8~60.861.862.863.8.64878.064.667.8-175329.5--'57.8-580---598---.600--61.8--.I2.8--.63.0-640-70;0-64867-.8175337.557.85&.859.8-60.061.8.62.863.864.878.264.867.81834POSTTRlPREV1EWFlN1SKP 1g 2.1EPJIPMENTCLASSIFICATIONANDVENDORINTERFACE(REACTORTRIPSYSTEMINTERFACE)Wehaveconfirmedthatthereactortripsystemcomponentsareclassifiedassafety-related.Thegeneralsystemforclassificationofsafety-relatedstructures,systemsandcomponentsisthroughAppendixA(Attachment2)totheGinnaQualityAssuranceManualanditsreferencedcolor-codeddraw-ing.Thisdocumentcontainsguidanceconcerningthedesignationofsafety-relatedstructures,systemsandcomponentsfortheplant.Anexpandedlistingofsafety-relateditemsispresentlyunderreviewandisexpectedtobefinalizedbytheendof1983.Thisrevisedlistwillmoreexplicitlycontainthereactortripsystemandwillprovidethebasisforitsinclusioninthedocuments,proceduresandinformationhandlingsystemsusedatGinnatocontrolsafety-relatedactivities,includingmaintenance,designchangesandpartsreplacement.AdministrativeprocedureA-101(Attachment3)indicatesingeneraltermsthatanyactivitywhichaffectsasafety-relatedfunctioniscontrolledbytheQualityAssuranceprogram.AdministrativeprocedureA-401(Attachment4,figuresnotincluded)whichaddressesprocurementactivitieshasbeenincludedtodemonstratehowthemoregeneralprocedurehasbeenappliedtoamorespecificarea.~Theremainderofthissection,isansweredinthereplytoSection2.2.2.

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