ML17331A659

Updates 810112 Info Re Util R&D Program Re Hydrogen Control Measures for Ice Condenser Containments.Interim Distributed Ignition Sys Will Be Manually Actuated from Auxiliary Bldg. Agrees to 810312 Technical Meeting

ML17331A659
Person / Time
Site:	Cook
Issue date:	02/20/1981
From:	HUNTER R S INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	DENTON H R Office of Nuclear Reactor Regulation
References
AEP:NRC:00518, AEP:NRC:518, NUDOCS 8103020626
Download: ML17331A659 (3)

Text

REGULATOR)'NFORMATIONDISTRIBUTIONSEIM(RIDS)ACCESSIONNOR:8],03020626DOC~DATE:81/02/20NOTARIZED:NODOCKETFACy-DonaldCDCookNuclearpowerPlant,UnitliIndiana80500031550316DonaldCDCookNuclearPowerPlantrUnit2PIndiana805000316AT,AUTHURAFFILIATIONHUNTERER~STIndiana8~ichiganElectricCo,RECIP~NAI!KRECIPIENI'FFIlIATIONDENTON,H.R.OfficeofNuclearReactorRegulationrDirector

SUBJECT:

Updates810112inforeutils'80prooramrehydrogencontrolmeasuresforicecondensercontainments.InterimdistributedigrIitionsyswillbemanuallyactuatedfromauxiliarybldg,Agreesto810312techricalmeeting.-DISTRIBUTIONCODE:ASSISCOPIESRECEIVED:LTRgENCLgSIZE:TITLE:GeneralDistributionforafterIssuanceofOperatingLicenseNOTES:I8E:3copiesallmaterial.Send3copiesofallmaterialtoI8,K~0500031505000316REC,IPIEN7IOCOOK/NAMEACTIONIrA<GAPS~04INTERNAL:D/DIRHU!U;FACORNI8,E060L11FILE01COPIESLTTRENCL131RECIPIENTI'3COOK/NAi4IEDIRPDIVOFLICNRCPDR02OHASSESSBR10COPIESLTTRENCLEXTERNAL:ACRSBASICne051611LPOR03AIRp3)~fp0TOTALNUMBEROFCOPIESREQUIRED:LTTRENCL INDIANALMICHIGANELECTRICCOMPANYP.O.BOX18BOWLINGGREENSTATIONNEWYORK,N.Y.10004February20,1981AEP:NRC:00518Donald,C.CookNuclearPlantUnitNos.1and2DocketNos.50-315and50-316LicenseNos.DPR-58andOPR-74Post-AccidentHydrogenControlMr.HaroldR.Denton,DirectorOfficeofNuclearReactorRegulationU.S.NuclearRegulatoryCommissionWashington,O.C.20555

DearMr.Oenton:

Asyouknow,wehavejoinedtheTennesseeValleyAuthorityandDukePowerCompanyinaresearchanddevelopmentprogramtoinvestigatehydrogencontrolmeasuresforicecondensercontainments.ByletterdatedJanuary12,1981,AEP:NRC:00500,Indiana8MichiganElectricCompany(I8MECo)submittedtotheCommissionthefirstinaseriesofquarterlyreportsdescribingoureffortsregardinghydrogencontrolduringhypotheticaldegradedcorecoolingevents.Variouspotentialhydrogencontrolmethodsarebeingstudied,includingtheuseofanInterimDistributedIgnitionSystem(IDIS).InourAEP:NRC:00500submittalwestatedthatwewouldinstallthein-containmentportion,oftheIDISduringthe1981refuelingoutagesfortheCookUnits,ifrequiredbytheNRC.HavingreviewedtheNRCSERforSequoyahontheIOISaswellasotherinformationavailableconcerningtheIDISmitigationconcept,weareproceedingtoinstallthein-containmentportionofanIDISduringthe1981refuelingoutages.Materialsarebeingorderedwithscheduleddeliverydatesinaccordancewithourexpectedrefuelingoutages.TheCookPlantIDISwillbedesignedinaccordance'withthecriteriasetforthinSection6.1oftheenclosuretoourAEP:NRC:00500submittal.Inessence,theIDISwi11beatwo-train,seismicallysupportedsystemconsistingofthirty-fourigniterassembliespertrain.TheIDISwillbeamanuallyactuatedsystemcontrollablefromtheAuxiliaryBuilding.IOISoperatingproceduresandactuationcriteriaarepresentlyunderdevelopment.Pool5820302 Mr.,H.R.Denton,Director-2-AEP:NRC:00518MembersofyourstaffhaverequestedthatatechnicalmeetingbeheldinBethesda,MarylandtodiscusshydrogencontrolmeasuresfortheCookPlant.WewouldbereadytomeetwithyourstaffonMarch12,1981.Verytrulyyours,<<~-~R.S.HunterVicePresidentcc:JohnE.DolanG.CharnoffR.C.CallenR.W.JurgensenD.V.Shaller-BridgmanRegionIIIResidentSiteInspector