ML17318A812

Monthly Operating Rept for May 1980

ML17318A812
Person / Time
Site:	Cook
Issue date:	06/03/1980
From:	GILLET W T INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17318A811	List: ML17318A810 ML17318A812
References
NUDOCS 8006170704
Download: ML17318A812 (14)

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OPEKKTQCDATAReoORTDOCN=TXQ.DATECO~I?KZiDBYTii""~H0Ã:"50-3160M-.Iett901,---"---":--.'02:-'rLaiEBG SiATUS1.Unit1'Ianse.ReportinPe.'odMAY-18S.LicensedThc.M?ower PIVls}t4.Hmaeplate Rating(Grossi;DVe):S.Desi@H~U~g(NetMKe)t6.hhxiznuar Dependable Capacity(Gross5INe}t7.ZaZniiasETca<bio~at@(Nct)IAVe}t1100~~7S.IfGangesOcmrinCxpac:..I ResŽg,(It~YmaberSThrough7)Sine=LastRcporGiveRcwons9:.n~eMvcITtsMti~&Rest~,IfArty(NetbiNe):10;R~tsnsYtsr Rat-caaas, lfAny:ThisbionthYr.wo-Dat=

COL.tive36473~11.503,096.300',rl.84.90.579.27447--"-D.-Rc"t.-.U~ese~e Shn:dovva Ho~0----'-1>>.HomrGam"tarOa:Lne

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IS-..UrdrR~WInsrdtsvtn Ho~,M6.Grosr7ltmnaI'E..

~Ccrc.=t&PIVlH)'.-.'-99:"UaiWervi~hetor 2flUdr-.rdhtril~

Frrrllr10097.9~'m.*~9>>i..:;-Un~os.~mm Rat""4.Shutdovas Schednlcd OverNcx.:6Moa:hsIType,Date,andDv=tionofEachl:211614,261.4138.2042,230,796 4460.0.2.C!ant.~rMOf Re-ortPiod.Btnaatcd0teofStamps~.-'6.UnitsIaTestStatnsl?nortoCe~;..~hi Ope.-rior.

I:Fo~tAchievedIYITIALCRITICALITY i~a'ITIAL:-LeCT?lCI~i~(<!rsI<0061'F.O%0,j.

ARAGEDAILYUNITPOWERLEVELOOCKE7'O."

50-316UNIT2DATE6-2-80COMPLETED BYW.T.Gilie<<TELEPHONE 616-465-5901 MONTHDAY.AVERAGEDAILYPOWERLEVEL(MWE-Net) 108108110810611057OAYAVERAGEDAILYPOWERLEVEL(MWe-Net) 17181920211012131516io48106910631o481060107010691069.1o681o68894222325~262728293031106710671o6610671070INSTRUCTIONS OnthisformatlisttheaveragedailyunitpowerlevelinMWe-Netforeachdayin,thereporting month.Computetothenearestwholemegawatt..

UNITSIIUTDOMtNS ANDPOPOVERREDUCTIONS

~N1980DOCKETNO.DATF6-11-80COhIPLETED DYTELEPIIONE 616465-5901~~N)).IhtchKa-0~C/)Lice>>sceI'.ventRcportJrOJ~0QE~OCa>>scEt,CuffectiveAetio>>loPrcvc>>tRccurrc>>cc 77800516F0A4H.A.ZZZZZZZZReactorpowerreducedto605toremovetheeastmainfeedpumpturbinefromservicetocheckforfeedpumpturbinecondenser tubeleaks.Onetubewasplugged.Reactorpowerreturnedto100Ã800517.II':ForcedS:Scllcdulcd (9/77)Reaso>>:A-EI)uipmcnt Failure(fxplai>>)IIhlai>>tc>>ance orTestC-Rcfucli>>g D-Regulatory Restfletlo>>I:-Operator Training&Ucc>>scI.'xa>>li>>atio>>

F-Administ raIivcG.Opcratiu>>al Error(lixplai>>)

IIOlllcr(Explai>>)

hlethod:IMJ>>>>al2hlanualScraln.3-Autonlalic Sc>>J>>l.A.Otllcr(Explain) fxllibilG-Instructions forPreparatio>>

oiDataL>>trySllcctsforLice>>sccEventRcp<)rt(LIR)File(NURI!G.OI6I)'Exllibit I-SaloeSource UNITSHUTDOWNS ANDPOWERREDIONSINSTRUCTIONS Thisreportshoulddescribeallplantshutdowns duringthereportperiod.Inaddition.

itshouldbethesourceoiexplan-ationofsignificant dipsinaveragepowerlevels.Eachsieni~ftcantreduction inpowerlevel(greaterthan207'eduction inaveraeedailypowerlevelforthepreceding 24hours)shouldbenoted,eventhoughtheunitmaynothavebeenshutdowncornpletelyi.

Forsuchreductions inpowerlevel,thedurationshouldbelistedaszero,themethodofreduction shouldbelistedas4(Other),andtheCauseandCorrective ActiontoPreventRecurrence columnshouldexplain.TheCauseandCorrective ActiontoPreventRecurrence columnshouldbeusedtoprovideanyneededexplanation tofullydescribethecircumstances oftheoutageorpowerreduction.

NUMBER.Thiscolumnshouldindicatethesequential num-berassignedtoeachshutdownorsienificant reduction inpowerforthatcalendaryear.Whenashutdownorsignificant powerreduction beeinsinonereportperiodandendsinanother.anentryshouldbemadeforbothreportperiodstobesureJlshutdowns orsignificant powerreductions arereported.

Untilaunithasachieveditsfirstpowergeneration, nonum-bershouldbeassignedtoeachentry.DATE.Thiscolumnshouldindicatethedateofthestartofeachshutdownorsigniricant powerreduction.

Reportasyear.month,andday.Augusti4.1977wouldbereportedas770814.Whenashutdownorsignificant powerreduction beginsinonereportperiodandendsinanother,anentryshouldbemadeforbothreportperiodstobesureallshutdowns orsignificant powerreductions arereported.

TYPE.Use"F"or"S"toindicateeither"Forced"or"Sche-duled,"respectively, foreachshutdownorsignificant powerreduction.

Forcedshutdowns includethoserequiredtobeinitiated bynolater,thantheweekendfollowing'discovery ofanoii-normal condition.

Itisrecognized thatsomejudg-mentisrequiredincategorizing shutdowns inthisway.Ingeneral.aforcedshutdownisonethatwouldnothavebeencompleted intheabsenceofthecondition forwhichcorrective actionwastaken.DURATION.

Seif~xplanatory.

Whenashutdownextendsbeyondtheendofareportperiod,countonlythetimetotheendofthereportperiodandpickuptheensuingdowntimeinthefollowing reportperiods.Reportdurationofoutagesroundedtothenearesttenthofanhourtofacilitate summation.

Thesumofthetotaloutagehoursplusthehoursthegenera-torwasonlineshouldequalthegrosshoursinthereporting period.REASON.Categorize byletterdesignation inaccordance withthetableappearing onthereportt'orm.IfcategoryHmustbeused,supplybriei'comments.

METHODOFSHUTTINGDOWiVTHEREACTORORREDUCINGPOWER.Cateeorize bynumberdesienation INoiethatthisdiftersiromtheEdisonElectricInstitute IEEI)definitions of-ForcedPartialOutage"and-Sche-duledPartialOutage."Forthesetern>>.EFIusesachangeoi'0~IWasihebreakp~iint.Forlargerpoverreactors.

~0MWisneosmallachanceiowarrantcxplanaiion.

inaccordance withthetableappearing onthereportform.Ifcategory4mustbeused,supplybriefcomments.

LICENSEE.,

EVENTREPORT-.Reference theapplicable reportable occurrence pertaining totheoutageorpowerreduction.

Enterthefirstfourparts(eventyear.sequential reportnumber,occurrence codeandreporttype)ofthefivepartdesignation asdescribed inItem17ofInstructions forPreparation ofDataEntrySheetsforLicenseeEventReport(LER)File(NUREG4161).

Thisinformation maynotbeimmediately evidentforallsuchshutdowns, ofcourse,sincefurtherinvestigation mayberequiredtoascertain whetherornot.areportable occurrence wasinvolved.)

Iftheoutageorpowerreduction willnotresultinareportable

'occurrence.

thepositiveindication ofthislackofcorrelation shouldbenotedasnotapplicable (N/A).SYSTEMCODE.Thesysteminwhichtheoutageorpowerreduction originated shouldbenotedbythetwodigit<<odeofExhibitG-Instructions forPreparation ofDataEntry'Sheets forLicenseeEventReport(LER)File(NUREG4161).

Systemsthatdonotfitanyexistingcodeshouldbedesigna-tedXX.ThecodeZZshouldbeusedforthoseeventswhereasystemisnotapplicable.

COMPONENT CODE.Selectthemostappropriate component fromExhibitI-Instructions forPreparation ofDataEntrySheetsforLicenseeEventReport(LER)File(NUREG4161).

usingthefollowing critieria:

A.Ifacomponent failed,usethecomponent directlyinvolved.

B.Ifnotacomponent failure,usetherelatedcomponent:

e.g..wrongvalveoperatedthrougherror:listvalveascomponent.

'.Ifachainoffailuresoccurs,thefirstcomponent tomal-functionshouldbelisted.Thesequenceofevents.includ-ingtheothercomponents whichfail,shouldbedescribed undertheCauseandCorrective ActiontoPreventRecur-rencecolumn.Components thatdonotfttanyexistingcodeshouldbede.signatedXXXXXX.'he codeZZZZZZshouldbe,.usedforeventswhereacomponent designation, is,notapplicable.

CAUSE&,CORRECTIVE ACTIONTOPREVENTRECUR-RENCE.Usethecolumninanarrative fashiontoamplifyorexplainthecircumstances oftheshutdownorpowerreduction.

Thecolumnshouldincludethespecificcauseforeachshut-downorsignificant powerreduction andtheimmediate andcontemplated Iongtermcorrective actiontaken.ifappropri-ate.Thiscolumnshouldalsobeusedforadescription ofthemajorsafety.rehted corrective maintenance performed duringtheouiaeeorpowerreduction including anidentification ofthecriticalpathactivityandareportofanysinelereleaseofradioa<<tiviiv vrsingleradiation exposurespeciti<<ally associ-atedwiththeoutaeewhichaccountsformorethan10percentoftheallowable annualvalues.Forlongtextualreportscontinuenarrative onseparatepaperandret'erence theshutdownorpowerreduction forthisnJrrJtive.<9/77 Docko.:Unit~me:Completed By:'Telephone:

Date:Page:50-316D.C.CookUnit82R.S.Lease(616)465-5901June9,19801Of,3MONTHLYOPERATING ACTIVITIES

--MAY,1980HihlihtsTheUnitoperated100/powertheentirereporting periodexceptasdetailedintheSummary.Totalelectrical generation forthemonthwas815,330mwh.~Sunnar5/1/80TheTurbineDrivenAuxiliary Feedwater Pumpwasin-operablefora5hourperiodfor,testingoftripandthrottlevalve.5/3/805/5/80Containment Radiation MonitorR-115R-12wereinoper-ablefoia17hourperiodforreplacement ofthesamplepump.Reactorpowerwasloweredto96/toreturntheReheaterCoilstoservicefollowing anautomatic isolation oftheReheaterCoils.Afterseveralunsuccessful attemptstoreturnthecoilstoservicetheUnitwasreloadedto100Ãpowerandoperatednon-reheat.

Totaltimebelow100Ãpowerwas13.5hours.Reactorpowerwasagainreducedto96Kfora5hourperiodtoattempttoreturntheReheaterCoilstoservice.5/6/80Throughtestingitwasdetermined thattherewasatube.leakinthenorthsetofReheaterCoils.Unitpowerwasreducedto965andthesouthsetofReheaterCoilswerepl,aced.inservice.Totaltimebelow100/powerwas8.5hours.5/9/805/10/80ThesouthsetofReheaterCoilswereisolatedduetoahighlevelinoneoftheCoilDrainTanks.Powerwasreducedto97/andthreeunsuccessful attemptsweremadetoreturnthesecoilstoservice.Furthertestingindicated thecoilstohavefailedtubes.Reactorpowerwasreturnedto,1005.Totaltimebelow100Kwas11.25hours.Unitoperation continues inthenon-reheat mode.Reactorpowerincreased to101/whenanon-borated demineralizer wasmistakenly valvedintotheReactorCoolantSystem.RapidresponsebytheControlRoomOperators usingcontrolrodsandborationreducedthe

~~~~~~)

Dockg+Po.:

Uni~me:Completed By:Telephone:

Date:Page:50-316D.C.CookUnit¹2R.S.Lease(616)465-5901June9,198020f35/10/80--

(cont.)5/15/80--

plantto100%whilethedemineralizer wasremovedfromservice.Containment Radiation MonitorR-11wasinoperable fora1.25hourperiodduetothefilterfailingtomove.5/16/80--ThesamplepumpforContainment Radiation MonitorsR-11andR-12failedat0750.Repairsweremadeandthemon-itorswereagainoperableat0617,5/17/80.Reactorpowerwasreducedto60%overa1.25hourrampstartingat1330toremovetheEastMainFeedPumpfromservicesotheCondenser forthisfeedpumpcouldbecheckedforatubeleak.Oneleakwaslocatedandplugged.Thepumpwasreturnedtoserviceandtheunitloadedto100Ãpowerovera4ho'urrampstartingat2100thesameday..5/20/80--

5/27/80--

5/28/80--

5/29/80--

EESFVentFan2-HV-AS-2 wasinoperable fora11.75hourperiodforreplacement oftheruffingfilter.TheTurbineDrivenAuxiliary Feedwater Pumptripped.Thiswaswhilethepumpwasinit'snormalstandby(notrunning)condition.

Theturbinewasreset,testrun,anddeclaredoperable.

AreviewofISItestdatasheetsindicated thattheTurbineDrivenAuxiliary FeedPumphadnotmettheminimumrequireddischarge pressure.

Sincethe72hourtimeintervalforan"inoperable pump"specified intheActionstatement hadbeenexceeded, thepumphadtobeprovenoperableortheunitplacedinhotstandbywithinonehour.Unloading oftheunitwasinitiated whileretesting ofthepumpwasunderway.Unitunloading wasstoppedat97'/whenthepumpwasprovenoperable.

Theunitwasreloadedto1005power.Totaltimebelow100%powerwas1.25hours.TheSteamJetAirEjectorRadiation MonitorR-15wasremovedfromserviceat1004formoistureproofingofthedetectortube.'Thisdetectorwasreturnedtoserviceat0917,5/29/80.VentStackRadiation MonitorR-25wasinoperable fora.4.75hourperiodforreplacement oftheFilterDriveMotor.5/31/80-A1%loadreduction wasexperienced following turbinevalvetesting.Theloadcouldnotbereturnedto100Ãduetoafalseindication ofth'eturbineoperating device 8

Docke~o.:

Uni~me:CompletŽed By:Telephone:

Date:Page:50-316D.C.Cook.Unit82R.S.Lease(616)465-5901June9,198030f35/31/80--highlimitswitch.Theloadwasreturnedto100%(cont.)bybrieflyby-passing theswitchfunction.

Totaltimeat.,99Ãwas13.5hours.Condenser halvesweretakenoutofservice,onehalfatatime,foratotalof57.5hoursduringthereport-ingperiod.Thiswasforidentification andrepairsofleakingtubes.

IE/l DOCKETNO.UNITNAMEDATECOMPLETED BYTELEPHONE PAGE50-316D.C.Cook-UnitNo.26-11-80'BBB.svensson616465-59011of2MAJORSAFETY-RELATED MAINTENANCE MAY,1980M-3CSI-1CRI-2CSI-3LowflowwasdetectedfromthesamplepumpforR-25,containment airparticulate detector.

Replacedthepumpandverifiedoperability.

TheCCWspargetankeastlevelrecorderisolation valve,CLR-410V2 was'leaking.'.

Replacedvalveandtubing.'o.

3steamgenerator powerreliefvalve,MRV-233wasleakingby.Allgasketswerereplaced; disc,,pilotdiscandpilotseatsweremachined.

Thevalvewasleaktestedandoperability verified.

Thepressurizer levelcontrolsystemwouldnotmaintainthesetpointlevelduringautomatic operation.

Theresetactionoflevelcontroller LC-459wasremovedandflowcontroller FC-121gainwasreduced.Thecontrolsystemnowrespondsandmaintains pressurizer levelatthepro-grammedsetpoint.Steamgenerator levelprotection setIII,steamgenerator No.3levellow-lowandhighlevelbistableLB-538AlB requiredreplacement duetoadriftprobleminthehighalarmsetpoint.Asparebistablewasinstalled andsurveillance test2THP4030STP~117wasperformed toverifythechannel's operability.

Icecondenser temperature recorderSG-017indicated offscaleatthelowendoftravel.Theservomotor,pointselectorswitchandpendriveamplifier cardwerereplaced.

,Therecorderwascalibrated per12THP6030IMP.079andreturnedtoservice.C&I-4CSI-5Thecomparator andratedrawerchannelsforthenuclearinstrumentation systemdisplayed adeviation alarm.Thealarmwaspresentwiththedeviation between.channels lessthantherequiredsetpoint.Thebistablecardforchanneldeviation alarmactuation wasreplacedwithasparecardandthecalibration ofthebistablewasperformed.

Radiation Monitoring SystemChannelRll,containment airparticulate monitor,airpumptrippedwithoutproducing analarminthecontrolroom.Thealarmbulbhadbeenreplacedwithaneontypewhichwasincorrect.

Afilamenttypebulbwasinstalled andoperatedproperly.

Theairpumpwastrippingonlowairflow.Theairflowindication rotometer requiredreplacement.

Thealarmunitwascalibrated forcorrectsetpointsandtheairflowratewasadjustedfor10cfmflow.

E>l DOCKETNO.UNITNAMEDATECOMPLETED BYTELEPHONE PAGE50-316D.C.Cook-UnitNo.26-11-80B.A.Svensson616465-59012of2MAJORSAFETY-RELATED MAINTENANCE MAY,1980Theanalogrodpositionindication meterforcontrolrodM-2wasin-dicatingfullscale.Thepanelmeterwasremovedandasparemeterwasinstalled.

Correctrodpositionindication returned.

Thepressurizer pressurecontrolhand/automatic stationwasnotoper-atingproperlyineitherposition.

Anout-of-balance condition inthepressurizer pressuremastercontrolmodulePC-455Awasdiscovered.

Thismoduletracksthehand/auto stationwheninthe"manual"position, sothatchange-over to"auto"willnotcauseastep-change tothesprayvalveandothercontrollers following PC-455A.Themodulewasbalancedandretracked, andasetpointdialcalibration wasperformed.

Pressurecontrolthenwassatisfactory.