ML17261A825

Proposed Tech Specs,Reflecting Addition of Item 37 on Page 4.1-7 & Renumbering of Subsequent Items Re Reactor Trip Breakers

ML17261A825
Person / Time
Site:	Ginna
Issue date:	01/17/1989
From:	ROCHESTER GAS & ELECTRIC CORP.
To:
Shared Package
ML17261A824	List: ML17261A823 ML17261A825
References
NUDOCS 8901270014
Download: ML17261A825 (8)

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TABLE3.5-1(ContinuedPROTECTIONSYSTEMINSTRUMENTATIONNO.FUNCTIONALUNIT19.DegradedVoltage480VSafeguardsBus20.AutomaticTripLogicIncludingReactorTripBreakersTOTALNO.ofCHANNELS2/busNO.ofKDHNELSTOTRIP2/busMIN.OPERABLEKiANNELS1/busPERMISSIBLEBYPASSCONDITIONSNote45OPERATORACTIONIFCONDITIONSOFCOLUMN1OR3CANNOTBEMET14CEDHNELOPERABLEABOVET=350FNote5NOTE1:NOTE2:NOTE3:NOTE4:NOTE5:F.P.Whenblockconditionexists,maintainnormaloperation.Channelsshouldbeoperableatallmodesbelowthebypassconditionwiththereactortripsystembreakersintheclosedpositionandcontrolroddrivesystemcapableofrodwithdrawal.Channelsshallbeoperableatallmodesbelowthebypassconditionexceptduringrefuelingdefinedtobewhenfuelisinthereactorvesselwiththevesselheadclosureboltslessthanfullytensionedorwiththeheadremoved.Onereactortripbreakermaybebypassedforsurveillancetestingprovidedtheotherreactortripbreakerisoperable.Channelsshallbeoperableatallmodesaboverefuelingwhenthecontrolroddrivesystemiscapableofrodwithdrawalunlessbothreactortripbreakersareopen.FullPowerSS'01270014890117PDRADOCK05000244PPNU 12.WiththenumberofoperablechannelslessthantheTotalNumber.ofChannels,operationmayproceedprovidedtheinoperablechannelisplacedinthetripped,conditionwithin1hour.ShouldthenextChannelFunctionalTestrequirethebypassofaninoperablechanneltoavoidthegenerationofanactuation.signal,operationmayproceeduntilthisChannelFunctional.Test.AtthetimeofthisChannelFunctionalTest,or.ifatany"timethenumberofoperablechannelsislessthantheMinimumOperableChannelsrequired,beathotshutdownwithin6hoursandatanRCStemperaturelessthan.350'Fwithin6hours.13.WiththenumberofoperablechannelslessthantheMinimumOperableChannelsrequired,operationmaycontinueprovidedthecontainmentpurge-andexhaustvalvesaremaintainedclosed.14.Shouldonereactortripbreakerorchanneloftriplogicbeinoperablethe.plantmustnotbeintheoperatingmodefollowingasix,hourtimeperiod,andthebreakermustbeopen.Ifoneofthediversereactortripbreakertripfeatures(undervoltageorshunttripattachment)ononebreakerisinoperable,restoreittooperablestatuswithin48hoursor,declarebreakerinoperable.Ifat.theendofthe48hourperiodonetripfeatureisinoperableitmustberepairedortheplantmustnotbein.theoperatingmode,andthereactortripbreakermustbeopen,followinganadditionalsixhourtimeperiod.Thebreakershallnotbebypassedwhileoneofthediversetripfeaturesisinoperableexceptforthetimerequiredforperformingmaintenancetorestorethebreakertooperablestatus.AmendmentNo.3.5-15Proposed TABLE4.1-1(CONTINUED)ChannelDescritionCheckCalibrateTestRemarks25.ContainmentPressureRMNarrowrangecontainmentpressure(-3.0,+3psig)excluded26.SteamGeneratorPressure27.TurbineFirstStagePressure28.EmergencyPlanRadiationInstrumentsM29.EnvironmentalMonitorsMNANA30.LossofVoltage/DegradedVoltage480VoltSafeguardsBus31.TripofMainFeedwaterPumps32.SteamFlow33~T.NANANA34.ChlorineDetector,ControlRoomAirIntakeNA35.AmmoniaDetector,ControlRoomAirIntakeNA36.RadiationDetectors,ControlRoomNAAirIntake37.ReactorVesselLevelIndicationSystem38a.TripBreakerLogicChannelTesting38b.TripBreakerLogicChannelTestingNANANANANANotes1,2and3Note1 TABLE4.1-1(CONTINUED)ChannelDescritionCheckCalibrateTestRemarks39.ReactorTripBreakersNANAFunctiontest-Includesindependenttestingofbothundervoltageandshunttripattachmentofreactortripbreakers.Eachofthetworeactortripbreakerswillbetestedonalternatemonths.Note240'anualReactorTripNANAIncludesindependenttestingofbothundervoltageandshunttripcircuits.Thetestshallalsoverifytheoperabilityofthebypassbreaker.41a.ReactorTripBypassBreaker41b.ReactorTripBypassBreakerNANANANAUsingtestswitchesinthereactorprotectionrackmanuallytripthereactortripbypassbreakerusingtheshunttripcoil.Automaticallytriptheunder-voltagetripattachment.NOTE1:Logictrainswillbetestedonalternatemonthscorrespondingtothereactortripbreakertesting.Monthlylogictestingwillverifytheoperabilityofallsetsofreactortriplogicactuatingcontactsonthattrain(SeeNote3).Refuelingshutdowntestingwillverifytheoperabilityofallsetsofreactortripactuatingcontactsonbothtrains.Intesting,operationofonesetofcontactswillresultinareactortripbreakertrip;theoperationofallothersetsofcontactswillbeverifiedbytheuseofindicationcircuitry.NOTE2:Testingshallbeperformedmonthly,unlessthereactortripbreakersareopen,orshallbeperformedpriortostartupiftestinghasnotbeenperformedwithinthelast30days.NOTE3=Thesourcerangetriplogicmaybeexcludedfrommonthlytestingprovideditistestedwithin30dayspriortostartup.

ATTACHMENTBThisproposedTechnicalSpecificationchangereflectstherequestmadeintheJanuary9,1987NRCletterfromDominicC.DiIannitoRogerW.Koberconcerningthe"ReviewofDesignforAutomaticShuntTripforReactorTripBreakers(GenericLetter83-28Item4.3)".Theproposedchangesincorporateon-,linereactortripbreakertestingintotheTechnicalSpecifications.AdetaileddescriptionofallthechangesispresentedonTable1.ThischangeinTechnicalSpecificationsclearlyisnotarequestforachangeintheauthorizedpowerlevelasitisrelatedonlytooperationalandtestingrequirementsofthereactortripbreakerswithintheplant.Further,themajorpossibleconsequenceofthischangethatcanbeforeseen.atthistimeisthatoveraperiodoftimeadditionalplanttripsmayoccurthroughactionstakenduringmonthlytestingofthereactortripbreakers.However,occasionaltripsareconsideredwithinthenormaloperatingconditionsatapowerplant.Asignificanthazardsanalysishasbeenaccomplishedagainstthecriteriain10CFR50.92.Becausetheproposedchangesconstituteadditionallimitationsandcontrolonbothoperationandtestingtheydonot:(1)involveasignificantincreaseintheprobabilityorconsequencesofanaccidentpreviouslyevaluated;or(2)createthepossibilityofanewordifferentkindofaccidentfromanyaccidentpreviouslyevaluated;or(3)involveasignificantreductioninamarginofsafety.Therefore,RochesterGasand.Electricsubmitsthattheissuesassociatedwiththisamendmentrequest'warrantanosignificanthazardsfinding.

Ll11 TABLE,1DetailedTechnicalSecificationChanesLocationDescritionofChaneReasonforChanep.3.5-8,Table3.5-1Page3of3AddItem20-AutomaticTripLogicincludingReactorTripBreakers.Thischangereflectsnewoperatingconditionrequire-mentsfortheReactorTripBreakersandreactortriplogic.ChangeNote3-thefifthwordofsentenceshouldbechangedfrom"of"to"at".Correcttypographicalerror.AddNote4tothebottomofthispage.ThisNoteisneededtoexplainthebypassconditioninthenewItem20.p.3.5-15ActionStatementAddNumber14tothebottomofthispage.Thisnoteisrequiredtoexplainfullytheoperatoractionsrequirediftherequirementofcolumn3forline20ofTable3.5-1cannotbemet.p.4.1-7Table4.1-1AddItems38aand38bcon-cerninglogictestingonamonthlyandrefuelingoutagebasis.ThisadditionreflectsnewtestingrequirementsinresponsetoNRCletter'3-28.p.4.1-7aTable4.1-1AddItem.39concerningthetestingofReactorTripBreakers.ThisadditionreflectsnewtestingrequirementsinresponsetoNRCletter83-28.AddItem40concerningthetestingofthemanualtrippingoftheReactorTripBreakers.ThisadditionreflectsnewtestingrequirementsinresponsetoNRCletter83-28.AddItems41aand41bcon-cerningthetestingoftheReactorTripBypassBreaker.ThisadditionreflectsnewtestingrequirementsinresponsetoNRCletter83'"28.AddNotes1,2,3ThesenotesarerequiredtoexplainthetestingrequirementsofthelogicassociatedwiththeReactorTripBreakers.

'It~~~Table1(Cont'd)LinesinthemarginsshowingchangesindicatechangesintheTechnicalSpecificationsascurrentlyapprovedbytheNRC.ThesubstanceofthissubmittalisthesameasthatofourJanuary26,1988letterwhichwassupplementedbyourAugust26,1988letter.Bothwereofthe.samesubject.ThisletterdoesreflectthefactthatAmendmentNo.30wasapprovedandthusifonecomparesthissubmittalwiththeAugustsubmittal,onewouldfindtheitemnumbersonTable4.1-1changedfrom37a,37b,38,39,40aand40bto38a,38b,39,40,41aand41b,respectively.Inaddition,theabovetablehasbeenchangedtoaccuratelydetailthesenumberingchanges.