ML17037B596
| ML17037B596 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| 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
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((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,
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~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)
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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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