ML17326B555

Application for Amends to Licenses DPR-58 & DPR-74,modifying Tech Spec 3.3.2.1 Tables 3.3-3,3.3-4,3.3-5 & 4.3-2 to Accurately Reflect Design of ESF Manual Actuation Functions

ML17326B555
Person / Time
Site:	Cook
Issue date:	03/14/1989
From:	ALEXICH M P INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	MURLEY T E NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
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ML17326B556	List: ML17326B555 ML17326B557
References
AEP:NRC:1030, NUDOCS 8903220188
Download: ML17326B555 (15)

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SUBJECT:

Application foramendstoLicensesPDR-586DPR-74,modifying TechSpec3.3.2.1Tables3.3-3,3.3-4,3.3-5 64.3-2.DISTRIBUTION CODE:A001DCOPIESRECEIVED:LTR ENCLSIZE:TITLE:ORSubmittal:

GeneralDistribution NOTES:COPIESLTTRENCL1011COPIESLTTRENCL22RECIPIENT IDCODE/NAME PD3-1PDRECIPIENT IDCODE/NAME PD3-1LASTANG,JINTERNAL:

ARM/DAF/LFMB NRR/DEST/CEB 8HNRR/DEST/MTB 9HNRR/DEST/SICB NUDOCS-ABS RACTNRR/DEST/ADS 7ENRR/DEST/ESB 8DNRR/DEST/RSB 8ENRR/DOEA/TSB 11OGC/HDS1RES/DSIR/EIB 1111111110111011'1111111ACCESSION NBR:8903220188 DOC.DATE:

89/03/14NOTARIZED:

NO.DOCKETFACIL:50-315 DonaldC.CookNuclearPowerPlant,Unit1,Indiana60500031550-316DonaldC.CookNuclearPowerPlant,Unit2,Indiana&05000316AUTH.NAMEAUTHORAFFILIATION ALEXICH,M.P.

IndianaMichiganPowerCo.(formerly Indiana6MichiganEleRECIP.NAME RECIPIENT AFFILIATION DocumentControlBranch(Document ControlDesk)EXTERNAL:

LPDRNSIC1111NRCPDR11RIhNOTE'IOALL"RIDS"RECIPIENIS'IZASE HELPUSIOREZUCEWASTE.'XNI'ACI'IHE DOCUMENI'MURt3L DESKSROOMPl-37(EXT.20079)KOEIZMZNATE YMRKkKFMHDISTRIBUTION LTSTSFORDOCUMEÃIS YOUDOlN'TNEED)TOTALNUMBEROFCOPIESREQUIRED:

LTTR19ENCL16 0ji'pP\

indianaMichiganPowerCompanyP.O.Box16631Columbus, OH43216AEP:NRC:1030 10CFR50.90DonaldC.CookNuclearPlantUnits1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74TECHNICAL SPECIFICATION CHANGE:SAFETYINJECTION ANDCONTAINMENT SPRAYMANUALACTUATION SIGNALSU.S.NuclearRegulatory Commission Attn:DocumentControlDeskWashington, D.C.20555Attn:T.E.MurleyMarch14,1989

DearDr.Murley:

Thisletteranditsattachments constitute anapplication foramendment totheTechnical Specifications (T/Ss)fortheDonaldC.CookNuclearPlantUnits1and2.Specifically, weareproposing tomodifyT/S3.3.2.1(Engineered SafetyFeatureActuation SystemInstrumentation)

Tables3.3-3,3.3-4,3.3-5and4.3-2sothattheymoreaccurately reflectthedesignoftheESFmanualactuation functions, andreference moreappropriate surveillance andactionrequirements formanualactuations withrespecttotheWestinghouse StandardT/Ss.Attachment 1tothislettercontainsthereasonsforthechangesandouranalysesconcerning significant hazardsconsideration.

Attachment 2containstheproposedrevisedT/Spages.Webelievethattheproposedchangeswillnotresultin(1)asignificant changeinthetypesofeffluents orasignificant increaseintheamountsofanyeffluentthatmaybereleasedoffsite,or(2)asignificant increaseinindividual orcumulative occupational radiation exposure.

TheseproposedchangeshavebeenreviewedbythePlantNuclearSafetyReviewCommittee andwillbereviewedbytheNuclearSafetyandDesignReviewCommittee attheirnextregularly scheduled meeting.Incompliance withtherequirements of10CFR50.91(b)(1),

copiesofthisletteranditsattachments havebeentransmitted toMr.R.C.CallenoftheMichiganPublicServiceConnnission andMr.GeorgeBruchmann oftheMichiganDepartment ofPublicHealth.Sg'0$220iSSS50003i'DR ADOCK05QPDCPgooi Dr.T.E.Murley-2-AEP:NRC:1030 Thisdocumenthasbeenpreparedfollowing Corporate procedures thatincorporate areasonable setofcontrolstoensureitsaccuracyandcompleteness priortosignature bytheundersigned.

Sincerely, M.P.AlechVicePresident ldpAttachments cc:D.H.Williams, Jr.W.'.Smith,Jr.-BridgmanR.C.CallenG.Bruchmann G.CharnoffNRCResidentInspector

-BridgmanA.B.Davis-RegionIII II ATTACHMENT 1TOAEP:NRC:1030 REASONSAND10CFR50.92ANALYSESFORCHANGESTOTHEDONALDC.COOKNUCLEARPLANTUNITS1AND2TECHNICAL SPECIFICATIONS Attachment 1toAEP:NRC:1030 Page1Thepurposeofthissubmittal istoclarifyandcorrectTechnical Specification (T/S)3/4.3.2.1 (Engineered SafetyFeaturesActuation SystemInstrumentation).

Specifically, weareproposing tomodifyTables3.3-3,3.3-4,and4.3-2tomoreaccurately reflectthedesignoftheESFmanualactuation channelsasdelineated inT/STable3.3-5andtomorecloselyresemblethesurveillance requirements oftheStandardT/Ss(STS).Wearealsoproposing amodification toT/STable3.3-5sothatitmoreaccurately reflectsthedesignoftheESFmanualactuation channels.

Thespecificproblemsandassociated changesaredescribed below.ChaneNo.1Editorial

Misleadin DescritionofFunctions T/STables3.3-3,3.3-4,and4.3-2describethefollowing specificmanualactuation channels:

Functional Unitl.aManualSafetyinjection (andassociated actuations) 2.aManual3.a.lManual3.b.lManual3.c.lManualContainment sprayContainment Phase"A"isolation Containment Phase"B"isolation Containment Purgeandexhaustisolation 4.aManualSteamlineisolation Thewayinwhichthesesixfunctional unitsnotedabovearelistedinT/STables3.3-3,3.3-4,and4.3-2impliesthatthereareseparatemanualswitchesforeach.However,duetoonemanualswitchactuating morethanonefunctionincertaincases,thereareeffectively onlyfourfunctional units.Thesefourarediscernible by"!:i"ayinwhichtheyarecurrently listedinT/STable3.3-5,whichdescribes themasfollows:Initiatin Sinal.ndFunction1.ManualDescritionSafetyinjection (ECCS)Feedwater isolation Reactortrip'(SI)

Attachment 1toAEP:NRC:1030 Page2Ini,tiatin SinalandFunctionContainment isolation-Phase "A"Containment purgeandexhaustisolation Auxiliary feedwater pumpsEssential servicewatersystemContainment airrecirculation fanContainment sprayContainment isolation-Phase "B"Containment purgeandexhaustisolation Containment isolation-Phase "A"Containment purgeandexhaustisolation Steamlineisolation Inordertomakethefunctiondescriptions consistent betweenT/Stables,wehavecreatedaFunctional Unit9inTables3.3-3,3.3-4,and4.3-2,whichliststhemanualactuation functions consistent withTable3.3-5.(Note,however,thatthemanualstartofthecontainment airrecirculation fanswillbeplacedwithgroupb[containment sprayandrelatedfunctions]

ratherthangroupa.Thisisconsistent withaproposedchangetoT/STable3.3-5described under"ChangeNo.5").Theinformation forthepresentfunctional units(l.a,2.a,3.a.l,3.b.l,3.c.land4.a)inTables3.3-3,3.3-4,and4.3-2hasbeenreplacedwiththewords"SeeFunctional Unit9."Thischangeisadministrative innature,intendedonlytomaketheT/Sdescription ofthemanualfunctions moreaccurate.

Presently, T/STable3.3-3Function3(PurgeandExhaustIsolation Functions) hasafootnotewhichstatesthattherequirements areonlyapplicable duringpurge.Thefootnoteisappliedto'llthreepartsofthefunction, i.e.,manual,containment radioactivity

-hi~,hTrainAandcontainment radioactivity

-highTrainB.AsdeiiniicedinTable3.3-5,themanualcircuitry pioviding purgean<!exhaustisolation alsoprovidesotherfunctions, suchassafetyinjection, whicharestillapplicable attimesotherthanduringpurge.Therefore, wehaverelocated thefootnotedesignator suchthatitonlyappliestothehighcontainment radioac".'.vity functions.

1 Attachment 1toAEP:NRC:1030 Page3ChaneNo.2Editorial

Misleadin DescritionofEuimentinTable3.3-3Thereareinconsistencies intheT/STable3.3-3descriptions ofthenumberofchannelswhichexistandthenumberofchannelsrequiredtotripforthemanualinitiations described above.Thesearedescribed below.a.Functional Unitl.aSafetInectionManualActuation T/STable3.3-3Functional Unitl.aindicates thatthereareatotaloftwosafetyinjection (SI)andrelatedfunctionmanualactuation

channels, withoneofthetwochannelsrequiredforanSIactuation.

Thisfunctional unit,whichcorresponds intheactualplantdesigntoFunctional Unitl.aofT/STable3.3-5,doesnotmakeitclearthattheaboveistrueforeachtrainofthe'unction.

Thereactuallyarefourswitchesforthisfunction, tworedundant switchespertrain.ClosingeitheroneofthetwoSImanualswitchespertrainwillinitiatethattrainofSI.Toavoidconfusion, weareproposing todescribetheseinourproposedFunctional Unit9.aforT/STable3.3-3asfollows:TotalNo.ofChannelsChannelsToTriMinimumChannels0erable2/train1/train2/trainb.Functional Unit2.aContainment SraManual3.a.lContainment Isolation PhaseAManual3.b.lContainment Isolation PhaseBManualand3.c.lContainment Isolation PureandExhaustManualTheabovefourfunctional units*correspond intheactualplantdesigntofunctions l.b(Containment Spray,Containment Isolation, PhaseB;andPurgeandExhaustIsolation) andl.c(Containment Isolation, PhaseA,andPurge.>>~dExhaustIsolation).

ofT/STable3.3-5.Eachofthea~twofunctiongroupshasoneswitchpertrain.Closin~,:he switchinitiates onlythattrain'sfunctions.

However,T/STable3.3-3describes functional unit2.a(containment spray)and3.b.l(Phase"B"isol.ition) aseachhavingtwochannels, withbothchannels:equiredtotrip.Toavoidconfusion, weareproposin.;:o describethemanualchannelsinourproposed:'nctional units9.band9.cforT/STable3.3-3<<<.l:'ows:*SeeChangeNo.5;,.-arelatedchange.

I~V Attachment 1toAEP:NRC:1030 Page4TotalNo.ofChannelsChannels~ToTriMinimumChannels0erable.1/train1/train1/trainc.Functional Unit4.aSteamLineIsolation ManualThereisonemainsteamstopvalveineachofthefourmainsteamlinesattheCookNuclearPlant.Fastclosureofthemainsteamstopvalvesisaccomplished bydumpvalves.Therearetwodumpvalvesforeachstopvalve(i.e.,8dumpvalves),andoneswitchperdumpvalve(i.e.,8switches).

Actuation ofeitheroneofthetwodumpvalvesperstopvalvewillresultinclosureofthestopvalve.Tobeconsistent withthechangeswehaveproposedfortheothermanualactuation

switches, thefollowing description forthenewFunctional Unit9.dofT/STable3.3-3isbeingproposed:

TotalNo.ofChannelsChannelsT~oTriMinimumChannels0erable2/steamline(1pertrain)2/steamline(1pertrain)'/steamline(1pertrain)TheaboveItem2changestoourmanualactuation functional descriptions inT/STable3.3-3areadministrative innature,intendedonlytomaketheT/Sdescription moreaccurateandtobeconsistent withT/STable3.3-5.Norequirements withregardtooperability werelessened.

ChaneNo.3Technical

Inconsistenc BetweenSurveillance T/STable4.3-2requiresthatbothtrainsofmanualactuation circuitry, withtheexception oftheswitches, betestedmonthly.Theswitches, perNote1ofTable4.3-2,arerequiredtobetestedevery18months.'Piththeexception ofsteamlineisolation, themanualswitchesinputdirectlyintotheirassociated trainssolidstateprotection s"stem(SSPS).Themonthlytestingthatisperformed forthemanualactuation circuitry (exceptsteamlineisolation) iscompletely encompassed bytheautomatic actuation logictestingoftheSSPS,whichperT/STable4.3-2istobeperformed every31daysonastaggered trainbasis,essentially bimonthly

.Thedifferent testingfrequencies forthesameequipment appears;obeaninconsistency inourT/Ss,whichisnotfoundinRevision~ofcheSTS.Rev.4oftheSTSdoesnot Attachment 1toAEP:NRC:1030 Page5requiremonthlychannelfunctional testingofthemanualcircuitry.

Rather,itrequiresthata"TripActuating DeviceOperational Test"beperformed every18months.ThisisdefinedbytheSTSasfollows:ATRIPACTUATING DEVICEOPERATIONAL TESTshallconsistofoperating theTripActuating Deviceandverifying OPERABILITY ofalarm,interlock, and/ortripfunctions.

TheTRIPACTUATING DEVICEOPERATIONAL TESTshallincludeadjustment, asnecessary, oftheTripActuating Devicesuchthatitactuatesattherequiredsetpointwithintherequiredaccuracy.

Theinconsistency inourT/Srequiredtestingfrequency fortheportionofthecircuitry notinvolving themanualswitchesisbelievedtobeanerror,whichwascorrected inlaterversionsoftheSTSbyadoptingthe"TripActuating DeviceOperational Test"described above.Tocorrecttheinconsistency inourT/Ss,weareproposing toadopttheSTSrequirement forthemanualswitches, andtoapplythemonthlytestingofthebalanceofthecircuitry onlytosteamlineisolation.

Theterm"TripActuating DeviceOperational Test"isproposedfortheDefinition Section(1)oftheT/SsandtoT/S4.3.2.1.1.

Monthlytestingoftheautomatic actuation logichasshowntheSSPSattheCookNuclearPlanttobeextremely reliable.

Therefore, webelievethatthefrequency fortestingthemanual'ircuitry (exceptforsteamlineisolation) canbemadeconsistent withtheotherSSPStestrequirements withoutendangering publichealthandsafety.ChaneNo.4Technical

ActionReuirements forManualSteamLineIsolation Thischangeproposesamodification tofunctional unit4.a(SteamLineIsolation-Manual) ofT/STable3.3-3,forthepurposeofachieving greaterconsistency withtheSTS.Ascurrently written,theactionstatement forfunctional unit4.a(Action18)requirestheunittobeplacedinMode3within54hoursifthenumberofoperablechannelsisonelessthanthetotal.ThisdifiersfromtheSTSrequirement, whichrequiresthatthesteamlinestop'alve associated withtheinoperable manualchannelbedeclaredinoperable ifthecauseofthechannelinoperability isnotcorrected within48hours.Theactionrequirement-of T/S3.7.1.5(SteamGenerator StopValves)isthenfollowed.

Forop~."a'on inMode1,operation withoneinoperable butopenstopval;~e~nproceedforfourhours.Ifthecauseof Attachment 1toAEP:NRC:1030 Page6theinoperability isnotcorrected, powermustbereducedbelowfivepercentofratedthermalpowerwithinthenexttwohours.ForModes2and3,operation may'continue providedthestopvalveismaintained closed.Meareproposing tochangetheactionrequirements forT/STable3.3-3functional unit4.atobeconsistent withtheSTS.Theactionrequirement ischangedfromthecurrentaction18toanewaction20,whichisconsistent withtheSTSrequirement.

Theproposedchangeprovidesinternalconsistency withintheT/Ssbymakingtheactionrequirements forthesteamlinemanualactuation circuitry consistent withthosefortheassociated stopvalves.Thechangealsoprovidesconsistency withtheSTS.ChaneNo.5Editorial ThischangeproposestocorrectanerrorinT/STable3.3-5regarding functions l.aandl.b.,Aspreviously written,themanualstartofthecontainment airrecirculation fansisgroupedwiththesafetyinjection andrelatedfunctions.

Thestartofthefansactuallyisassociated withtheswitchesoffunctional groupl.b(containment sprayandrelatedfunctions).

Therefore, weareproposing tomovethefunctionfromfunctionl.atofunctionl.b.Thischangeisalsoreflected inourproposedfunctional unit9forT/STables3.3-3,3.3-4and4.3-2,whichwasdescribed inChangeNo.1above.10CFR50.92Evaluation Per10CFR50.92,aproposedamendment willnotinvolveasignificant hazardsconsideration iftheproposedamendment doesnot:(1)involveasignificant increaseintheprobability orconsequences ofanaccidentpreviously evaluated, (2)createthepossibility ofanewordifferent kindofaccidentfromanyaccidentpreviously analyzedorevaluated, or(3)involve.isignificant reduction inamarginofsafety.Criterion 1ChangeNos.1,2a:".d5areadministrative innature.Theyinvolverewriting theT/Ss:"yarding ESFmanualactuations sothatthefunctions aremorci:curately portrayed inthedocument, orso Attachment 1toAEP:NRC:1030 Page7thatthedocumentisinternally consistent.

ChangeNo.3,involving theESFmanualcircuitry testingwillreducethefrequency oftheportioninvolving theSSPSfromonceeverymonthtoonceeveryothermonth.Thischangecorrectsaninconsistency inourT/Ssbetweentherequirements forthemanualcircuitry andtheSSPSrequirements whichwasrecognized andcorrected inlaterversionsoftheSTS.Ourreviewofthesurveillance testhistoryofthemonthlySSPStestshasshownthatthesystemishighlyreliable, andgivesusconfidence thatthechangeintestfrequency willnotendangerpublichealthandsafety.ChangeNo.4,tothemanualsteamlineisolation circuitry, providesinternalconsistency inourT/Ssbymakingtheactionrequirements forthemanualactuation circuitry consistent withtheassociated stopvalves.Thechangeisconsistent withtheSTS.Forthesereasons,itisourbeliefthattheproposedchangesdonotinvolveasignificant increaseintheprobability orconsequences ofapreviously evaluated

accident, nordotheyinvolveasignificant reduction inamarginofsafety.Criterion 2Thechangeswillnotintroduce anynewmodesofplantoperation, norwillanyphysicalchangestotheplantberequired.

Thus,thechangesshouldnotcreatethepossibility of'anewordifferent kindofaccidentfromanyaccidentpreviously analyzedorevaluated.

Criterion 3SeeCriterion 1,above.Lastly,wenotethattheCommission hasprovidedguidanceconcerning thedetermination ofsignificant hazardsbyproviding certainexamples(48FR14870)ofamendments considered notlikelytoinvolvesignificant hazardsconsideration.

Thefirstoftheseexamplesreferstochangeswhichareadministrative innature:forexample,changestoachieveconsistency throughout theT/Ss,correction oferrors,orchangesinnomenclature.

ChangeNos.1,2and5areinthiscategoryinthattheyclarifytheT/Ssandmakethemmoreinternally consistent.

Thesixthexamplereferstochangeswhichmay".esultinsomeincreasetotheprobability orconsequences ofapreviously analyzedaccident, butwheretheresultsofthechangeareclearlywithinacceptable limits.ThisexampleisrelevanttochangeNos.3and4sincethechangesareconsistent withtheSTS.Basedonthediscussion above,weconcludethattheexampiescitedarerelevantandthatthechangesshouldnotrequiresignificant hazardsconsideration.