ML17335A227

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Advises NRC of Changes to DCP Restart Plan & Schedule.Rev 3 to Cook Nuclear Plant Restart Plan, Encl for NRC Use in follow-up Insp Activities
ML17335A227
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 09/16/1998
From: POWERS R P
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17335A229 List:
References
AEP:NRC:1260GF, NUDOCS 9809220046
Download: ML17335A227 (6)


Text

-41~+0CATEGORY1~IfF,FhF"REGULATORY INFORMATION DISTRIBUTION SYSTEM(RIDS)ACCESSION NBR:9809220046 DOC.DATE:

98/09/16NOTARIZED:

NO'OCKETNFACIL-50-315 DonaldC.CookNuclearPowerPlant,Unit1,IndianaM0500031550-316DonaldC.CookNuclearPowerPlant,Unit2,IndianaM05000316AUTH.NAMEAUTHORAFFILIATION POWERS,R.P.

IndianaMichiganPowerCo.(formerly IndianatMichganEleRECIP.NAME RECIPIENT AFFILIATION RecordsManagement Branch(Document

'ControlDesk

SUBJECT:

AdvisesNRCofchangestoDCPrestartplan5:schedule.Rev 3to"CookNuclearPlantRestartPlan,"enclforNRCuseinfolloa-up inspactivities.

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4indianaMichiganPowerCompany500CircleDriveBuchanan, Ml491071395 INDIANANICHIGllNPOWERSeptember 16,1998ABP:NRC:1260GFDocketNos:50-31550-316U.S.NuclearRegulatory Commission ATTN:DocumentControlDeskMailStop0-Pl-17Washington, D.C.20555-0001 Gentlemen:

DonaldC.CookNuclearPlantUnits1and2'RBSTARTSCHBDULBBXTBNSION ThepurposeofthisletteristoadviseyouofchangestotheCookNuclearPlantrestartplanandschedule.

Youwerepreviously advisedofourplansforrestartduringthecourseofthe0350meetings.

BasedonourcurrentprogressintheRestartPlanandthebestavailable information, ourrestarthasbeendelayeduntilfirstquarter1999.Thisschedulechangeisnecessary tosupportanimprovedsequencetosupporticebasketrepairqualityrequirements, additional scopeduetoicebasketinspections, andtointegrate engineering workitemsassociated withvalidating theicecondenser designbasis.Attachment 1'.providesthetoplevelschedulewithadditional detail.Wehaverecentlyapprovedarevisiontothefinalrestartplan.Thisrevisionupdatestheplantoinclude:actionsassociated withthe0350restartchecklist; controlofthemanagement reviewboardcondition reportreviewprocess;expansion ofrolesandresponsibilities; directions forcompletion ofactionplans;restructuring theplantoreflectrestartprocesselements; andimprovedschedulechangecontrol.Attachment 2providesacopyofrevision3totheRestartPlanforyouruseinfollow-up inspection activities.

Itisrecognized thattherearepotential challenges totheschedule, whichwewillcontinuetopursueuntilappropriately resolved.

Asoneexample,weareimplementing athoroughverticalsliceinspection ofourauxiliary feedwater system.Anyfindingsduringthisinspection willbeevaluated forpossibleimpactonpreviously completed systemreviewsandre-inspections ofsystemswhichmayimpactthecurrentscheduleforcompletion ofrestartactivities.

Further,'

detailedvalidation oftheupdatedfinalsafetyanalysisreportisinprogressfor21selectedrisksignificant systems.Appropriate disposition ofanydiscrepancies discovered duringthevalidation mayalsorepresent aschedule980922004b 9809lbPDRADOCK050003i5PPDRJ U.S.NuclearRegulatory Commission Page2AEP:NRC:1260GF challenge.

Finally,toprovidereasonable assurance thatourrestartplanisthoroughandadequatetoaddresssignificant

concerns, weareintheprocessofreviewing andvalidating ourstrategies foraddressing thefundamental rootcausesoftheextendedshutdownandmajorhardwareprogrammatic problems.

Following thisreview,additional actionsmaybe'onsidered thathavethepotential forscheduleimpact.Wewillcontinuetoadviseyouofourprogresstoaddressrestartissuesorscheduleadjustments throughthe0350process.Pleaseadviseifyouhaveanyquestions.

Sincerely, R.P.PowersVicePresident

/jmcAttachment cJ.A.AbramsonJ.L..Caldwell, w/attachments MDBQ-DW&RPDNRCResidentInspector, w/attachments J.R.Sampson,w/attachments U.S.NuclearRegulatory Commission Page3AEP:NRC:1260GF bc:T.P.Beilman,w/attachments E.R.Eckstein/D.

R.Hafer/K.R.BakerJ.J.EutoFOLIO,w/attachments J.B.Kingseed/G.

P.Arent/M.J.GumnsJ.F.Stang,Jr.,-NRCWashington, D.C.,w/attachments

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