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{{#Wiki_filter:REGULATORYINFORMATIONDISTRIBUTIONSYSTEM(RIDS)DISTRIBUTIONFORINCOMINGMATERIAL50-220REC:NRCORG:LEMPGESTENIAGARAMOHAWKPWRDOCDATE:03/07/78DATERCVD:03/13/78DOCTYPE:LETTERNOTARIZED:NOCOPIESRECEIVED
{{#Wiki_filter:REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)DISTRIBUTION FORINCOMINGMATERIAL50-220REC:NRCORG:LEMPGESTENIAGARAMOHAWKPWRDOCDATE:03/07/78DATERCVD:03/13/78DOCTYPE:LETTERNOTARIZED:
NOCOPIESRECEIVED


==SUBJECT:==
==SUBJECT:==
LTR1ENCL1REPORTOFOPERATINGSTATISTICSANDSHUTDOWNEXPERIENCEFORTHEMONTHOFFEBRUARY1978.PLANTNAME:NINEMILEPT-UNIT1REVIEWERINITIAL:XRSDISTRIBUTORINITIAL:0@IDISTRIBUTIONOFTHISMATERIALISASFOLLOWSMONTHLYOPERATINGREPORTFORGRAYBOOKPREPARATION.(DISTRIBUTIONCODEA003)FORACTION:INTERNAL:EXTERNAL:BRCHIEF~4+W/2ENCLPMIRACTION+4IJ/2ENCLLPDRSOSWEGONY++W/ENCLTICI~~W/ENCLNSIC~~~W/ENCLBNL<NATLAB)~~~IJ/ENCLACRSCAT8++W/0ENCLNRCPDR++W/ENCLDISTRIBUTION:LTR10ENCL10SIZE:iP+hPTHEENDCONTRNBR:780740159  
LTR1ENCL1REPORTOFOPERATING STATISTICS ANDSHUTDOWNEXPERIENCE FORTHEMONTHOFFEBRUARY1978.PLANTNAME:NINEMILEPT-UNIT1REVIEWERINITIAL:XRSDISTRIBUTOR INITIAL:0@IDISTRIBUTION OFTHISMATERIALISASFOLLOWSMONTHLYOPERATING REPORTFORGRAYBOOKPREPARATION.
(DISTRIBUTION CODEA003)FORACTION:INTERNAL:
EXTERNAL:
BRCHIEF~4+W/2ENCLPMIRACTION+4IJ/2 ENCLLPDRSOSWEGONY++W/ENCL TICI~~W/ENCL NSIC~~~W/ENCL BNL<NATLAB)~~~IJ/ENCLACRSCAT8++W/0ENCLNRCPDR++W/ENCL DISTRIBUTION:
LTR10ENCL10SIZE:iP+hPTHEENDCONTRNBR:780740159  
,011tHIf*  
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((Hl()Nt()III6K((HK.E(loPINMP-01ggMa/hach7,1978NIAGARAMOHAWKPOWERCORPORATION/300ERIEBOULEVARDWEST,SYRACUSE,N.Y.13202/TELEPHONE(3IG)474.ISIIOMecto/L0$(Lceo)Managementln(otuII~onandP/Log/LamCont1LOLUnitedS~eeNucLea/LReguLato/LyCommQamnNcukingkon,'0.C.20555RE:SocketNo.50-220PPR-b9qfifP~.1gt8~~~/>ss~~C~)~/~CyGentLemen:Submittedhe/LeuLth~CheRepoMo(Ope/~ngS~WMandSh&-doRInExpetu.encetIo/LFebtuIa/Ly1978Jo/LSheN~ehkLePok<NucLeaIL~onUi~<l.ALeo~cLudedman~at~ve/LepoMo)opetuLt~gexpel.ence(o/LShemonth.ALeo,pLeaee)handencLoaedRe(ueDngInfo/onationRequu.t,Ivtu'.cheMtbe.dub~edaep~o(ChemonthLy/LepoM.Ve/Ly~gyouhA,1c~~T.E.empguGeneJmLSupe/u,1LtendmtNucL~.GenercatianFORR.R.Schn~e/LV~cePcukfent-ELe~cP/I.oductLonEncLoau/Luxc:Mtcecto/L,0(pceo]78E(10cop~u)NRCReginlOII(me(1copy)  
((Hl()Nt()III6K((H K.E(loPINMP-01ggMa/hach7,1978NIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE, N.Y.13202/TELEPHONE (3IG)474.ISIIOMecto/L0$(Lceo)Management ln(otuII~on andP/Log/Lam Cont1LOLUnitedS~eeNucLea/LReguLato/Ly CommQamnNcukingkon,
'0.C.20555RE:SocketNo.50-220PPR-b9qfifP~.1gt8~~~/>ss~~C~)
~/~CyGentLemen:
Submitted he/LeuLth
~CheRepoMo(Ope/~ngS~WMandSh&-doRInExpetu.ence tIo/LFebtuIa/Ly 1978Jo/LSheN~ehkLePok<NucLeaIL~onUi~<l.ALeo~cLudedman~at~ve/LepoMo)opetuLt~g expel.ence (o/LShemonth.ALeo,pLeaee)handencLoaedRe(ueDngInfo/onation Requu.t,Ivtu'.cheMtbe.dub~edaep~o(ChemonthLy/LepoM.Ve/Ly~gyouhA,1c~~T.E.empguGeneJmLSupe/u,1Ltendmt NucL~.Genercatian FORR.R.Schn~e/LV~cePcukfent-ELe~cP/I.oductLon EncLoau/Lu xc:Mtcecto/L, 0(pceo]78E(10cop~u)NRCReginlOII(me(1copy)  


AVERAGEDAILYUNITPOWERLEVELDOCKETNO.9NilePt.DATECOMPLETEDIIYTJPerkinsFebruary1978DAYAVERAGEDAILYPOWERLEVEL(hfWe-Net)598DAYAVERAGEDAILYPOWERLEVEL(h1We-Net)608171012131415165995645945931615525846046076056046061819202122232425262728293031609610610610609609610591609607608INSTRUCTIONSOnthisformat,listtheavcragcdailyunitpowerlevelinh1~Ve.Netforeachdayinthcreportingmonth.Computetothenearestwholemegawatt.(9/77)  
AVERAGEDAILYUNITPOWERLEVELDOCKETNO.9NilePt.DATECOMPLETED IIYTJPerkinsFebruary1978DAYAVERAGEDAILYPOWERLEVEL(hfWe-Net)598DAYAVERAGEDAILYPOWERLEVEL(h1We-Net) 608171012131415165995645945931615525846046076056046061819202122232425262728293031609610610610609609610591609607608INSTRUCTIONS Onthisformat,listtheavcragcdailyunitpowerlevelinh1~Ve.Net foreachdayinthcreporting month.Computetothenearestwholemegawatt.
(9/77)  
~'
~'
UNITSIIUI'I)O'lV)(SANDPO>VEI(,REDUCTIONSI)OCI'ErNO.sI)AIF.nit81BEUIIKJ978ext.1312Xo.l)J!ecolIC/)LiccnsccEvcnlRcport-(.auseB.('))rrcctivcAclli)nli)Pfcvcf)IRci:1)frc)1cc002/3/782/6/782/25/78S20.54.4Reducedloadtochangecondensatedemineralizers.TryingtolatchupT.S.V.BypassValve.AllT.S.V.sclosedcausingturbinetripandreactor'cram.Reducedloadtochangecondensatedemineralizers.I.:I'i)feedS:Sehed<<lcilRcison:A-I'Jluipn)cntFail<<rc(Explain)13.M:)if)tcf):)nccorfest(Rcl'uclingD-Rcgulati)ryRestrictionli-OperJlofTfJiningk.LiccnscFxafninalionF-AdfninistrativcG-Oper:)lionalErr))r(I'.xplain)II.Other(Explain)3)iicthod:!-hlaf)ual2).hlanualScrafn.3Auton1JtlcSi;ran1.4-Other(Explain)IExhibitG~Instructionsfl)rPfcpllfJllilni)lD:It:IEntrySheetslorI.icenseeEventRcport(LL'R)I'ile(NUREG-OI6I)ExhibitI-San)eSource  
UNITSIIUI'I)O'lV)
(SANDPO>VEI(,REDUCTIONS I)OCI'ErNO.sI)AIF.nit81BEUIIKJ978ext.1312Xo.l)J!ecolIC/)LiccnsccEvcnlRcport-(.auseB.('))rrcctivc Aclli)nli)Pfcvcf)IRci:1)frc)1cc002/3/782/6/782/25/78S20.54.4Reducedloadtochangecondensate demineralizers.
TryingtolatchupT.S.V.BypassValve.AllT.S.V.sclosedcausingturbinetripandreactor'cram.
Reducedloadtochangecondensate demineralizers.
I.:I'i)feedS:Sehed<<lcil Rcison:A-I'Jluipn)cnt Fail<<rc(Explain) 13.M:)if)tcf):)ncc orfest(Rcl'ucling D-Rcgulati)ry Restriction li-OperJlofTfJiningk.LiccnscFxafninalion F-Adfninistrativc G-Oper:)lionalErr))r(I'.xplain)
II.Other(Explain) 3)iicthod:
!-hlaf)ual 2).hlanual Scrafn.3Auton1Jtlc Si;ran1.4-Other(Explain)
IExhibitG~Instructions fl)rPfcpllfJllilni)lD:It:IEntrySheetslorI.icensee EventRcport(LL'R)I'ile(NUREG-OI6I)ExhibitI-San)eSource  


OPERATINGDATAREPORTDOCKETNO50-220DATECOIIPLETEI)IIY~J.Perkins'PTELEPIIONE~~110OPERATINGSTATUSI.UnitName:ReportingPeriod.02-01-78-02-28-783.LicensedThermalPopover())I')Vt):4.NameplateRating(GrossI)fWc):6405.DesignElectricalRating(NetMIVc):6.MaximumDependableCapacity(Grossf)flVe):7.MaximumDependableCapacity(NctI)IIVe):630610Notes8.IfChangesOccurinCapacityRatings(ItemsNumber3Through7)SinceLastReport,GiveReasons:9.PowerLevelToh'hichRestricted,IfAny(Nct)IIIVe):10.ReasonsForRestrictions,IfAny:ThisI)!OllthYr.-to.Date,367.1343.3,88686718595988711.HoursInReportingPeriod672112.NumberOfHoursReactorWasCritical657.413.ReactorReserveShutdownHours14.HoursGeneratorOn.Line115.UnitReserveShutdownHours-0-16.GrossThermalEnergyGenerated(MNH)~iERSI.18.NetElectricalEnergyGenerated(i)INH)19.UnitServiceFactor9820.UnitAvailabilityFactor22.UnitCapacityFactor(UsingDERNct)23.UnitForcedOutageRate324.ShutdownsScheduledOverNext6ilfonths(Type.Date.andDurationofE:)ch):24Aril1978SnubberInspectionCtlnlulat)ve73,00852,436.050,033.520.280,781,8952657357925,742,10869585725.IfShutDownAfEndOfRcportPeriod,EstimatedDateofStartup:26.UnitslnTestStatus(I'riortoCo)n)ncrcialOper;)tion):Force;)stAchievedlikfITIALCRITICALITYliiiITIALELECTRICITYCORDIERCIAI.Ol'ERATION'))/77I L
OPERATING DATAREPORTDOCKETNO50-220DATECOIIPLETEI)
NIAGARAMOHAWKPOWERCORPORATIONNINEMILEPOINTNUCLEARSTATIONUNIT&#xb9;1NARRATIVEOPERATINGREPORTFEBRUARY1978TheStationoperatedat98/availabilityand94%capacityfactorforthemonth.Thedailyoperatinghistoryfollows:Feb.1-Feb.4Feb.5Feb.6Feb.7Feb.8Feb.9Feb.10-Feb.24Fe.b.25Feb.26-Feb.28Operatedat97.5/thermalpower615MWe.Reducedloadto500MWeforcondensatedemineralizerresinchangeandcontrolrodpatternadjustment.Loadincreasedto608MWe,pre-conditioningpowerlevelincreasesafterrodpatternadjustment.Fullloadreachedat0500623MWe.At2230,areactorscramoccurredwhileattemptingtorelatch&#xb9;13TSVBypassvalvemechanism.Failureofapneumaticoperatedvalvecausedallstopvalvestoshut.Reactorcriticalat1400andunitsynchronizedtothelineat1900.Continuedloadincreasestoreach500MWe.Heldatthislevelunti12100forXeproduction;reducedloadviarecircflowto400MWeforrodwithdrawalstoobtain100%controlrodpattern.Continuedloadincreasesto600MWeby2200.Operatedcontinuouslyatapproximately1840MWth623MWe.Reducedloadto500MWeforchangeofcondensatedemineralizer.Loadreturnedto623MWeafter6thcondensatedemineralizerwasplacedinservice.Steadystatepoweroperationatapproximately-99/.  
IIY~J.Perkins'PTELEPIIONE~~110OPERATING STATUSI.UnitName:Reporting Period.02-01-78-02-28-783.LicensedThermalPopover())I')Vt):
4.Nameplate Rating(GrossI)fWc):6405.DesignElectrical Rating(NetMIVc):6.MaximumDependable Capacity(Grossf)flVe):7.MaximumDependable Capacity(NctI)IIVe):630610Notes8.IfChangesOccurinCapacityRatings(ItemsNumber3Through7)SinceLastReport,GiveReasons:9.PowerLevelToh'hichRestricted, IfAny(Nct)IIIVe):10.ReasonsForRestrictions, IfAny:ThisI)!OllthYr.-to.Date
,367.1343.3,88686718595988711.HoursInReporting Period672112.NumberOfHoursReactorWasCritical657.413.ReactorReserveShutdownHours14.HoursGenerator On.Line115.UnitReserveShutdownHours-0-16.GrossThermalEnergyGenerated (MNH)~iERSI.18.NetElectrical EnergyGenerated (i)INH)19.UnitServiceFactor9820.UnitAvailability Factor22.UnitCapacityFactor(UsingDERNct)23.UnitForcedOutageRate324.Shutdowns Scheduled OverNext6ilfonths(Type.Date.andDurationofE:)ch):24Aril1978SnubberInspection Ctlnlulat)ve 73,00852,436.050,033.520.280,781,895 2657357925,742,108 69585725.IfShutDownAfEndOfRcportPeriod,Estimated DateofStartup:26.UnitslnTestStatus(I'riortoCo)n)ncrcial Oper;)tion):
Force;)st AchievedlikfITIALCRITICALITYliiiITIALELECTRICITY CORDIERCIAI.Ol'ERATION'))/77 I
L NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINTNUCLEARSTATIONUNIT&#xb9;1NARRATIVE OPERATING REPORTFEBRUARY1978TheStationoperatedat98/availability and94%capacityfactorforthemonth.Thedailyoperating historyfollows:Feb.1-Feb.4Feb.5Feb.6Feb.7Feb.8Feb.9Feb.10-Feb.24Fe.b.25Feb.26-Feb.28Operatedat97.5/thermalpower615MWe.Reducedloadto500MWeforcondensate demineralizer resinchangeandcontrolrodpatternadjustment.
Loadincreased to608MWe,pre-conditioning powerlevelincreases afterrodpatternadjustment.
Fullloadreachedat0500623MWe.At2230,areactorscramoccurredwhileattempting torelatch&#xb9;13TSVBypassvalvemechanism.
Failureofapneumatic operatedvalvecausedallstopvalvestoshut.Reactorcriticalat1400andunitsynchronized tothelineat1900.Continued loadincreases toreach500MWe.Heldatthislevelunti12100forXeproduction; reducedloadviarecircflowto400MWeforrodwithdrawals toobtain100%controlrodpattern.Continued loadincreases to600MWeby2200.Operatedcontinuously atapproximately 1840MWth623MWe.Reducedloadto500MWeforchangeofcondensate demineralizer.
Loadreturnedto623MWeafter6thcondensate demineralizer wasplacedinservice.Steadystatepoweroperation atapproximately-99/.  


REFUELINGINFORMATIONREQUEST1.NameofFacilityNineMilePointUnit812.ScheduledDateforNextRefuelingShutdownThenextrefuelingatNineMilePointUnit81istentativelyscheduledfortheSpringof1979.However,evaluationstobeperformedduringtheSpringof1978mayrevealaFall1978refuelingtobemoredesirable.IfaFall1978refuelingisutilized,aSeptember2,1978shutdowndateisassumed.3.ScheduledDateforRestartFollowingRefuelingTherefuelingoutageisscheduledtotakeapproximatelyeightweeks.4.WillrefuelingorresumptionofoperationthereafterrequireaTechnicalSpecificationchangeorotherlicenseamendment?Ifanswerisyes,what,ingeneralwillthesebe?Itisanticipatedthatpriortoresumptionofoperationfollowingthenextrefuelingoutage,achnagewillberequiredtotheNineMilePointUnittlTechnicalSpecifications.ThenextreloadatUnitb'1will.containredesignedfuelassemblieswhichwillbeincorporatedintotheTechnicalSpecifications(i.e.fuelthermallimits).5.ScheduleDate(s)forsubmittingproposedlicensingactionandsupportinginformation.InanticipationofaFall1978refuleing,NiagaraMohawkisscheduledtosubmitareloadlicensingdocumenttoNRCaroundJune1,1978.ShouldthecyclebeextendedtotheSpring1979period,NiagaraMohawkisscheduledtosubmitareloadlicensingdocumenttoNRCaroundNovember15,1978.6.Importantlicensingconsiderationsassociatedwithrefueling,e.g.,newordifferentfueldesignorsupplier,unrevieweddesignorperformanceanalysismethods,significantchangesinfueldesign,newoperatingprocedures.ThenextreloadatNineMilePoint81willcontainredesignedfuelassembliesassummarizedinGeneralElectric'sGenericReloadFuelApplicationLicensingTopicalReportNEDE24011-PRevision2.7.Thenumberoffuelassemblies(a)inthecoreand(b)inthespentfuelstoragepool.TheNineMilePointUnitPlcorecontains532fuelassemblies,Thespentfuelpoolcontains660fuelassemblies.
REFUELING INFORMATION REQUEST1.NameofFacilityNineMilePointUnit812.Scheduled DateforNextRefueling ShutdownThenextrefueling atNineMilePointUnit81istentatively scheduled fortheSpringof1979.However,evaluations tobeperformed duringtheSpringof1978mayrevealaFall1978refueling tobemoredesirable.
rk Page28.Thepresentlicensedspentfuelpoolstoragecapacityandthesizeofanyincreaseinlicensedstoragecapacitythathasbeenrequestedorplannedinnumberoffuelassemblies.TheNineNilePointUnit&#xb9;1spentfuelpoolislicensedtocontain1,984fuelassemblies.9.Theprojecteddateofthelastrefuelingthatcanbedischargedtothepresentfuelpoolassumingthepresentlicensedcapacity.Undernormaloperatingconditions,itisestimatedthespentfuelpoolcancontainallfuelassembliesscheduledtobedis-chargedfromUnit&#xb9;1untilapproximately1990.
IfaFall1978refueling isutilized, aSeptember 2,1978shutdowndateisassumed.3.Scheduled DateforRestartFollowing Refueling Therefueling outageisscheduled totakeapproximately eightweeks.4.Willrefueling orresumption ofoperation thereafter requireaTechnical Specification changeorotherlicenseamendment?
Ifanswerisyes,what,ingeneralwillthesebe?Itisanticipated thatpriortoresumption ofoperation following thenextrefueling outage,achnagewillberequiredtotheNineMilePointUnittlTechnical Specifications.
ThenextreloadatUnitb'1will.containredesigned fuelassemblies whichwillbeincorporated intotheTechnical Specifications (i.e.fuelthermallimits).5.ScheduleDate(s)forsubmitting proposedlicensing actionandsupporting information.
Inanticipation ofaFall1978refuleing, NiagaraMohawkisscheduled tosubmitareloadlicensing documenttoNRCaroundJune1,1978.ShouldthecyclebeextendedtotheSpring1979period,NiagaraMohawkisscheduled tosubmitareloadlicensing documenttoNRCaroundNovember15,1978.6.Important licensing considerations associated withrefueling, e.g.,newordifferent fueldesignorsupplier, unreviewed designorperformance analysismethods,significant changesinfueldesign,newoperating procedures.
ThenextreloadatNineMilePoint81willcontainredesigned fuelassemblies assummarized inGeneralElectric's GenericReloadFuelApplication Licensing TopicalReportNEDE24011-PRevision2.7.Thenumberoffuelassemblies (a)inthecoreand(b)inthespentfuelstoragepool.TheNineMilePointUnitPlcorecontains532fuelassemblies, Thespentfuelpoolcontains660fuelassemblies.
rk Page28.Thepresentlicensedspentfuelpoolstoragecapacityandthesizeofanyincreaseinlicensedstoragecapacitythathasbeenrequested orplannedinnumberoffuelassemblies.
TheNineNilePointUnit&#xb9;1spentfuelpoolislicensedtocontain1,984fuelassemblies.
9.Theprojected dateofthelastrefueling thatcanbedischarged tothepresentfuelpoolassumingthepresentlicensedcapacity.
Undernormaloperating conditions, itisestimated thespentfuelpoolcancontainallfuelassemblies scheduled tobedis-chargedfromUnit&#xb9;1untilapproximately 1990.
C}}
C}}

Revision as of 23:28, 29 June 2018

Nine Mile Point Unit 1 - Letter Regarding Enclosed Report of Operating Statistics and Shutdown Experience for February 1978 and Refueling Information Request
ML17037B596
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 03/07/1978
From: Lempges T E, Schneider R R
Niagara Mohawk Power Corp
To:
Office of Nuclear Reactor Regulation
References
Download: ML17037B596 (16)


Text

REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)DISTRIBUTION FORINCOMINGMATERIAL50-220REC:NRCORG:LEMPGESTENIAGARAMOHAWKPWRDOCDATE:03/07/78DATERCVD:03/13/78DOCTYPE:LETTERNOTARIZED:

NOCOPIESRECEIVED

SUBJECT:

LTR1ENCL1REPORTOFOPERATING STATISTICS ANDSHUTDOWNEXPERIENCE FORTHEMONTHOFFEBRUARY1978.PLANTNAME:NINEMILEPT-UNIT1REVIEWERINITIAL:XRSDISTRIBUTOR INITIAL:0@IDISTRIBUTION OFTHISMATERIALISASFOLLOWSMONTHLYOPERATING REPORTFORGRAYBOOKPREPARATION.

(DISTRIBUTION CODEA003)FORACTION:INTERNAL:

EXTERNAL:

BRCHIEF~4+W/2ENCLPMIRACTION+4IJ/2 ENCLLPDRSOSWEGONY++W/ENCL TICI~~W/ENCL NSIC~~~W/ENCL BNL<NATLAB)~~~IJ/ENCLACRSCAT8++W/0ENCLNRCPDR++W/ENCL DISTRIBUTION:

LTR10ENCL10SIZE:iP+hPTHEENDCONTRNBR:780740159

,011tHIf*

((Hl()Nt()III6K((H K.E(loPINMP-01ggMa/hach7,1978NIAGARAMOHAWKPOWERCORPORATION/300 ERIEBOULEVARD WEST,SYRACUSE, N.Y.13202/TELEPHONE (3IG)474.ISIIOMecto/L0$(Lceo)Management ln(otuII~on andP/Log/Lam Cont1LOLUnitedS~eeNucLea/LReguLato/Ly CommQamnNcukingkon,

'0.C.20555RE:SocketNo.50-220PPR-b9qfifP~.1gt8~~~/>ss~~C~)

~/~CyGentLemen:

Submitted he/LeuLth

~CheRepoMo(Ope/~ngS~WMandSh&-doRInExpetu.ence tIo/LFebtuIa/Ly 1978Jo/LSheN~ehkLePok<NucLeaIL~onUi~<l.ALeo~cLudedman~at~ve/LepoMo)opetuLt~g expel.ence (o/LShemonth.ALeo,pLeaee)handencLoaedRe(ueDngInfo/onation Requu.t,Ivtu'.cheMtbe.dub~edaep~o(ChemonthLy/LepoM.Ve/Ly~gyouhA,1c~~T.E.empguGeneJmLSupe/u,1Ltendmt NucL~.Genercatian FORR.R.Schn~e/LV~cePcukfent-ELe~cP/I.oductLon EncLoau/Lu xc:Mtcecto/L, 0(pceo]78E(10cop~u)NRCReginlOII(me(1copy)

AVERAGEDAILYUNITPOWERLEVELDOCKETNO.9NilePt.DATECOMPLETED IIYTJPerkinsFebruary1978DAYAVERAGEDAILYPOWERLEVEL(hfWe-Net)598DAYAVERAGEDAILYPOWERLEVEL(h1We-Net) 608171012131415165995645945931615525846046076056046061819202122232425262728293031609610610610609609610591609607608INSTRUCTIONS Onthisformat,listtheavcragcdailyunitpowerlevelinh1~Ve.Net foreachdayinthcreporting month.Computetothenearestwholemegawatt.

(9/77)

~'

UNITSIIUI'I)O'lV)

(SANDPO>VEI(,REDUCTIONS I)OCI'ErNO.sI)AIF.nit81BEUIIKJ978ext.1312Xo.l)J!ecolIC/)LiccnsccEvcnlRcport-(.auseB.('))rrcctivc Aclli)nli)Pfcvcf)IRci:1)frc)1cc002/3/782/6/782/25/78S20.54.4Reducedloadtochangecondensate demineralizers.

TryingtolatchupT.S.V.BypassValve.AllT.S.V.sclosedcausingturbinetripandreactor'cram.

Reducedloadtochangecondensate demineralizers.

I.:I'i)feedS:Sehed<<lcil Rcison:A-I'Jluipn)cnt Fail<<rc(Explain) 13.M:)if)tcf):)ncc orfest(Rcl'ucling D-Rcgulati)ry Restriction li-OperJlofTfJiningk.LiccnscFxafninalion F-Adfninistrativc G-Oper:)lionalErr))r(I'.xplain)

II.Other(Explain) 3)iicthod:

!-hlaf)ual 2).hlanual Scrafn.3Auton1Jtlc Si;ran1.4-Other(Explain)

IExhibitG~Instructions fl)rPfcpllfJllilni)lD:It:IEntrySheetslorI.icensee EventRcport(LL'R)I'ile(NUREG-OI6I)ExhibitI-San)eSource

OPERATING DATAREPORTDOCKETNO50-220DATECOIIPLETEI)

IIY~J.Perkins'PTELEPIIONE~~110OPERATING STATUSI.UnitName:Reporting Period.02-01-78-02-28-783.LicensedThermalPopover())I')Vt):

4.Nameplate Rating(GrossI)fWc):6405.DesignElectrical Rating(NetMIVc):6.MaximumDependable Capacity(Grossf)flVe):7.MaximumDependable Capacity(NctI)IIVe):630610Notes8.IfChangesOccurinCapacityRatings(ItemsNumber3Through7)SinceLastReport,GiveReasons:9.PowerLevelToh'hichRestricted, IfAny(Nct)IIIVe):10.ReasonsForRestrictions, IfAny:ThisI)!OllthYr.-to.Date

,367.1343.3,88686718595988711.HoursInReporting Period672112.NumberOfHoursReactorWasCritical657.413.ReactorReserveShutdownHours14.HoursGenerator On.Line115.UnitReserveShutdownHours-0-16.GrossThermalEnergyGenerated (MNH)~iERSI.18.NetElectrical EnergyGenerated (i)INH)19.UnitServiceFactor9820.UnitAvailability Factor22.UnitCapacityFactor(UsingDERNct)23.UnitForcedOutageRate324.Shutdowns Scheduled OverNext6ilfonths(Type.Date.andDurationofE:)ch):24Aril1978SnubberInspection Ctlnlulat)ve 73,00852,436.050,033.520.280,781,895 2657357925,742,108 69585725.IfShutDownAfEndOfRcportPeriod,Estimated DateofStartup:26.UnitslnTestStatus(I'riortoCo)n)ncrcial Oper;)tion):

Force;)st AchievedlikfITIALCRITICALITYliiiITIALELECTRICITY CORDIERCIAI.Ol'ERATION'))/77 I

L NIAGARAMOHAWKPOWERCORPORATION NINEMILEPOINTNUCLEARSTATIONUNIT¹1NARRATIVE OPERATING REPORTFEBRUARY1978TheStationoperatedat98/availability and94%capacityfactorforthemonth.Thedailyoperating historyfollows:Feb.1-Feb.4Feb.5Feb.6Feb.7Feb.8Feb.9Feb.10-Feb.24Fe.b.25Feb.26-Feb.28Operatedat97.5/thermalpower615MWe.Reducedloadto500MWeforcondensate demineralizer resinchangeandcontrolrodpatternadjustment.

Loadincreased to608MWe,pre-conditioning powerlevelincreases afterrodpatternadjustment.

Fullloadreachedat0500623MWe.At2230,areactorscramoccurredwhileattempting torelatch¹13TSVBypassvalvemechanism.

Failureofapneumatic operatedvalvecausedallstopvalvestoshut.Reactorcriticalat1400andunitsynchronized tothelineat1900.Continued loadincreases toreach500MWe.Heldatthislevelunti12100forXeproduction; reducedloadviarecircflowto400MWeforrodwithdrawals toobtain100%controlrodpattern.Continued loadincreases to600MWeby2200.Operatedcontinuously atapproximately 1840MWth623MWe.Reducedloadto500MWeforchangeofcondensate demineralizer.

Loadreturnedto623MWeafter6thcondensate demineralizer wasplacedinservice.Steadystatepoweroperation atapproximately-99/.

REFUELING INFORMATION REQUEST1.NameofFacilityNineMilePointUnit812.Scheduled DateforNextRefueling ShutdownThenextrefueling atNineMilePointUnit81istentatively scheduled fortheSpringof1979.However,evaluations tobeperformed duringtheSpringof1978mayrevealaFall1978refueling tobemoredesirable.

IfaFall1978refueling isutilized, aSeptember 2,1978shutdowndateisassumed.3.Scheduled DateforRestartFollowing Refueling Therefueling outageisscheduled totakeapproximately eightweeks.4.Willrefueling orresumption ofoperation thereafter requireaTechnical Specification changeorotherlicenseamendment?

Ifanswerisyes,what,ingeneralwillthesebe?Itisanticipated thatpriortoresumption ofoperation following thenextrefueling outage,achnagewillberequiredtotheNineMilePointUnittlTechnical Specifications.

ThenextreloadatUnitb'1will.containredesigned fuelassemblies whichwillbeincorporated intotheTechnical Specifications (i.e.fuelthermallimits).5.ScheduleDate(s)forsubmitting proposedlicensing actionandsupporting information.

Inanticipation ofaFall1978refuleing, NiagaraMohawkisscheduled tosubmitareloadlicensing documenttoNRCaroundJune1,1978.ShouldthecyclebeextendedtotheSpring1979period,NiagaraMohawkisscheduled tosubmitareloadlicensing documenttoNRCaroundNovember15,1978.6.Important licensing considerations associated withrefueling, e.g.,newordifferent fueldesignorsupplier, unreviewed designorperformance analysismethods,significant changesinfueldesign,newoperating procedures.

ThenextreloadatNineMilePoint81willcontainredesigned fuelassemblies assummarized inGeneralElectric's GenericReloadFuelApplication Licensing TopicalReportNEDE24011-PRevision2.7.Thenumberoffuelassemblies (a)inthecoreand(b)inthespentfuelstoragepool.TheNineMilePointUnitPlcorecontains532fuelassemblies, Thespentfuelpoolcontains660fuelassemblies.

rk Page28.Thepresentlicensedspentfuelpoolstoragecapacityandthesizeofanyincreaseinlicensedstoragecapacitythathasbeenrequested orplannedinnumberoffuelassemblies.

TheNineNilePointUnit¹1spentfuelpoolislicensedtocontain1,984fuelassemblies.

9.Theprojected dateofthelastrefueling thatcanbedischarged tothepresentfuelpoolassumingthepresentlicensedcapacity.

Undernormaloperating conditions, itisestimated thespentfuelpoolcancontainallfuelassemblies scheduled tobedis-chargedfromUnit¹1untilapproximately 1990.

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