ML17331A753

Forwards Addl Info on Hydrogen Mitigation & Control, Including Containment Internal Pressure Capacity,Dc Cook Nuclear Generating Station,Phase Ii - Probabilistic Evaluation. Eight Aperture Cards Are Available in PDR

ML17331A753
Person / Time
Site:	Cook
Issue date:	07/02/1981
From:	HUNTER R S INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	DENTON H R Office of Nuclear Reactor Regulation
Shared Package
ML17319A950	List: ML17319A949 ML17319A951 ML17319A952 ML17319A953 ML17319A954 ML17319A955 ML17319A956 ML17331A753 ML17331A754 ML17331A764
References
AEP:NRC:00500E, AEP:NRC:500E, NUDOCS 8107080243
Download: ML17331A753 (7)

Text

Ab)ERICAN ELECTRICPO%SERVICECORPORATION DATEMEMOYO:FORMOMIi(AD10)pP+

FgDOCKET-'0500031505000316'EGULAT INFORMATION DISTRIBUTION YSTEM(RIDS)ACCESSION'BR:8107080243>>

DOC~DATE!81/07/02NOTARIZED:"

NOFACIL::50<<.315 DonaldC;CookNuclearPowe'r>>P)ant~Unit1~Indiana50-316DonaldC'.CookNuclearPower>>Plant~Unit2'~IndianaL0AUTH',NAME~'UTHORAFFILIATIONHUNTER.gR'+S~IndianaLMichiganE~lectric Co.,RECIP'eiVAMEl REC'IPIENT AFFILIATION DENTONgH',RE Office>>ofNuclearReactor~Regulationg Director>>SUBJECT;:

Forwardsaddiinfo.onhydrogenmitigation 8controlsincluding "Containment Inte'malPressure'apacity~DC CookNuclearGeneration, Stat'ion~phase II-Probabilistic Evaluation;"

DISTRIBUTION CODE':,A001S'COPIESRECEIVED:L<TR'NCL-"'IZE:TITLE'.GeneralDistributionfor>>after~Issuance!

ofOper~ting, LicenseNOTES:ILE:3>>copiesallmaterials Send3copiesofa)lmaterial'o ILE'.EPIENT'DCODE/NAMEi AC.T'I.O::

ORS..¹1.BC"OQINTERNAL::

D/DIRgHUM FAC08IaE~06'Ef.D11RADASMTBRCOPIESLTTRENCL>>13>>1311221.01RECIPIENT

'DCODE.'/NAME'IRgDIV OF,LICNRC'DR>>02'BR10I01=-COPIESLTTR~ENCL>>111'011EXTERNAL" ACRS"'SiC09.05>>161611LPDRNTIS0311.1.1-L/L/TOTALNUMBER>>OF"COPIESREQUIREDLiTTR<<ENCL>3 014)fo<~5~RlII'K1Ilt INDIANALMICHIGANELECTRICCOMPANYPO.BOX18BOWLINGGREENSTATIONNEWYORK,N.Y~10004July2,1981AEP:NRC:00500E DonaldC.CookNuclearPlantUnitNos.1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74HydrogenMitigation andControlStudiesMr.HaroldR.Denton,DirectorOfficeofNuclearReactorRegulation U.S.NuclearRegulatory Commission Washington, D.C.20555

DearMr.Denton:

gp!IIe~yX-AgoThisletteranditsattachments provideadditional information onHydrogenMitigation andControlfortheDonaldC.CookNuclearPlant.Theinformation submitted hereinsupplements ourprevioustransmittals onthistopicandfulfillsthecommitments madeinourAEP:NRC:0500C letterdatedMay29,1981.Attachment No.1containssupplementary information ontheDistributed IgnitionSystem(DIS),instrument roomisolation, andContainment AirRecirculation/Hydrogen SkimmerSystemfansurvivability.

Attachment No.2containsthepreliminary resultsofaCookPlantanalysisperformed withthemodifiedCLASIXcomputercode.Attachment No.3containsareportontheprobabilistic analysisofthecalculated limitingpressurecapacityoftheCookPlantcontainment.

Attachment No.4containsmodifiedpagesfortheDISTechnical Specifications previously submitted.

ThesechangeshavebeenreviewedbythePSNRCand'.will bereviewedbyAEPSC'sNSDRCattheirnextmeeting.Asrequested duringatelephone conversation withmembersofyourstaff,drawingsofthecranewallareattachedtoMr.S.Miner'scopyofthistransmittal asAttachment 5.Attachments (cc:attached) 8107080>43 pK05000315PDRAogc8702PDR.HunterVicePresident TheUnit1DISwillbeoperational bySeptember 1,1981.Verytrulyyours,)0iS(Jr

/CglljI'}f'CvrA4"<<)'h Hr.HaroldR.DentonAEP:NRC:00500E cc:'ohnE.DolanR.Pl.Jurgensen G.CharnoffR.C.Cal1enD.V.Shaller-BridgmanRegionIIIResidentInspector

-Bridgman

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