ML17331B131

Forwards DC Cook Units 1 & 2 Main Steam Safety Valve Lift Setpoint Tolerance Relaxation, to Replace Analysis Attached to 921111 Submittal to Justify TS Change to Increase Allowable Tolerances

ML17331B131
Person / Time
Site:	Cook
Issue date:	12/17/1993
From:	FITZPATRICK E INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	MURLEY T E NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17331B132	List: ML17331B131 ML17331B133
References
AEP:NRC:1169A, NUDOCS 9312230045
Download: ML17331B131 (7)

Text

"'ACCELERATEDISTRIBUTIONDEMON/'RATIONSYSTEMI'!REGULATORYINFORMATIONDISTRXBUTIONSYSTEM(RIDS)DOCKET0500031505000316ACCESSXONNBR:9312230045DOC.DATE:93/12/17NOTARIZED:YESFACIL:50-315DonaldC.CookNuclearPowerPlant,Unit1,IndianaM50-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaMAUTH.NAMEAUTHORAFFILIATIONFITZPATRXCK,E.IndianaMichiganPowerCo.(formerlyIndiana6MichiganEleRECXP.NAMERECIPIENTAFFILIATIONRMURLEY,T.E.DocumentControlBranch(DocumentControlDesk)

SUBJECT:

Forwards"DCCookUnits1&2MainSteamSafetyValveLiftSetpointToleranceRelaxation,"toreplaceanalysisattachedto921111submittaltojustifyTSchangetoincreaseallowabletolerances.DISTRIBUTIONCODE:A001DCOPIESRECEIVED:LTRENCLSIZETITLE:ORSubmittal:GeneralDistributionNOTES:SF/RECXPIENTIDCODE/NAMEPD3-1LAHICKMAN,JXNTERNAL:NRR/DE/EELBNRR/DRCH/HICBNRR/DSSA/SPLBNUDOCS-ABSTRACTOGC/HDS2EXTERNAL:NRCPDRCOPIESLTTRENCL1122111111111011RECIPIENTIDCODE/NAMEPD3-1PDNRR/DORS/OTSBNRR/DRPWNRR/DSSA/SRXBO~CLFDCB01NSICCOPIESLTTRENCL11111111101111DDDNOTETOALL"RIDS"RECIPIENTS:DDPLEASEHELPUSTOREDUCEWASTE!CONTACTTHEDOCUMENTCONTROLDESK,ROOMPl-37(EXT.20079)TOELIMINATEYOURNAMEFROMDISTRIBUTION,LISTSFORDOCUMENTSYOUDON'TNEED!TOTALNUMBEROFCOPIESREQUIRED:LTTR16ENCL14 IndianaMichi~PowerCompai~P.O.Box16631Columbus,OH43216AEP:NRC:1169ADonaldC.CookNuclearPlantUnits1and2DocketNos.50-315and50-316LicenseNos.DPR-58andDPR-74UPDATEFORTECHNICALSPECIFICATIONSCHANGETOINCREASETHEALLOWABLETOLERANCESFORMAINSTEAMSAFETYVALVESU.S.NuclearRegulatoryCommissionDocumentControlDeskWashington,D.C.20555Attn:T.E.MurleyIDecember17,1993

DearDr.Murley:

ThisletterissubmittedtoreplaceananalysisthatwasattachedtoourNovember11,1992submittaltojustifyatechnicalspecificationchangetoincreasetheallowancetolerancesforthemainsteamsafetyvalvesforDonaldC.CookNuclearPlantUnits1and2to+3%.TheanalysisissuedasAttachment4intheoriginalsubmittalassumesnominalratherthanminimumauxiliaryfeedwaterflowsforUnit1.Thisisanon-conservativeassumptionwhenconsideringasmallbreakLOCA,aswasdiscussedwithyourstaffonNovember12,1993.WestinghouseReportSECL-91-429,Revision2,"DonaldC.CookUnits1and2,MainSteamSafetyValveLiftSetpointToleranceRelaxation,"isfoundinAttachment1ofthisletter.Unit2auxiliaryfeedwaterflowassumptionswerecorrectintheoriginalsubmittal.Attachment1hasbeenupdatedwiththecorrectauxiliaryfeedwaterflowsforUnit1andtheresultsdonotchangetheconclusionsreachedintheoriginalsubmittalletter.PleasereplaceAttachment4oftheNovemberll,1992letterwithAttachment1ofthisletter.9312230045931217PDRADOCK05000315.P,'DR Dr.T.E.Murley2-AEPNRC:1169AThisletterissubmittedpursuantto10CFR50.54(f)and,assuchanoathstatementisattached.Sincerely,VicePresidentcadAttachmentcc:A.A.BlindG.CharnoffJ.B.Martin-RegionIIINFEMSectionChiefNRCResidentInspectorJ.R.Padgett Dr.T.E.Murley3AEP:NRC:1169Abc:S.J.BrewerD.H.MalinM.L.Horvath-Bridgman-w/oattachmentJ.B.KingseedD.F.PowellJ.B.Shinnock-w/oattachmentW.G.Smith,Jr.J.B.Hickman,NRC-Washington,D.C.AEP'NRC'1169ADC-N-6015.1-w/oattachment STATEOFOHIO)COUNTYOFFRANKLIN)E.E.Fitzpatrick,beingdulysworn,deposesandsaysthatheistheVicePresidentoflicenseeIndianaMichiganPowerCompany,thathehasreadtheforgoingUPDATEFORTECHNICALSPECIFICATIONSCHANGETOINCREASETHEALLOWABLETOLERANCESFORMAINSTEAMSAFETYVALVESandknowsthecontentsthereof;andthatsaidcontentsaretruetothebestofhisknowledgeandbelief.Subscribedandsworntobeforemethis~~~dayof19~8NOTARPUBLICRITAD.HILLHOTARVPUCI.IC.STATOFOHIOf8COI,IMISSIOXDIPIRiS ATTACHMENT1toAEP:NRC:1169AWESTINGHOUSEREPORTSECL-91-429,Revision2,"DONALDC.COOKUNITS1AND2MAINSTEAMSAFETYVALVELIFTSETPOINTTOLERANCERELAXATION" hyI!1