ML17325B597

Forwards LER 99-012-00,re Auxiliary Building ESF Ventilation Sys Not Being Capable of Maintaining ESF Room Temps post-accident.Commitment,listed

ML17325B597
Person / Time
Site:	Cook
Issue date:	05/20/1999
From:	RENCHECK M W INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17325B598	List: ML17325B597 ML17325B600
References
NUDOCS 9905260271
Download: ML17325B597 (2)

Text

I M J.W Li LIK X Jg REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR: 9905260271 DOC.DATE: 99/05/20 NOTARIZED:

NO DOCKET FACIL:50-315 Donald C.Cook Nuclear Power Plant, Unit 1, Indiana M 05000315 AUTH.NAME.AUTHOR AFFILIATION RENCHECK,M.W:

Indiana Michigan Power Co.RECIP.NAME RECIPIENT AFFILIATION Records Management Branch (Document Control Desk)'\

SUBJECT:

Forwards LER 99-012-00,re auxiliary building ESF ventilation sys not being capable of maintaining ESF room temp post-accident.Commitment made by util, listed.DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR 1 ENCL L SIZE: I+Q TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.NOTES: RECIPIENT ID CODE/NAME LPD3-1 PD INTERNAL: AEOD/SPD/RRAB NRR/DIPM/IOLB NRR/DRIP/REXB RES/DET/EIB EXTERNAL: L ST LOBBY'ARD NOAC POORE,W.NRC PDR COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 RECIPIENT ID CODE/NAME STANG, J FILE CENSE PM IQMB NRR/DSSA/SPLB RGN3 FILE 01 LMITCO MARSHALL NOAC QUEENER,DS NUDOCS PULL TXT COPIES LTTR ENCL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1'OTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE.TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LIS'R REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTR(DESK (DCD)ON EXTENSION 43.5-2083 FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED: LTTR 16 ENCL 16 Indiana Michigan Power Company Codttittctear Rant One Cook Rara Wkpm, Ml 491 06 616 465 5901 INDIANA NICHICatLN IaO EVER May 20, 1999 United States Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Operating License DPR-58 Docket No.50-315 Document Control Manager: In accordance with the criteria established by 10 CFR 50.73 entitled Licensee Event Re ort~estem, the following report is being submitted:

LER 315/99-012-00,"Auxiliary Building ESF Ventilation System may not be Capable of Maintaining ESF Room Temperatures Post-Accident" The following commitment has been identified in this submittal:

~A comprehensive action plan is being developed to establish the normal, shutdown, and post-accident design temperatures for each auxiliary building room required to be maintained by the auxiliary building ventilation systems.In addition, a single failure analysis for the AES ventilation system will be performed to identify failures which could prevent the system from performing its design and safety function.Based on the results of the completed evaluation, additional information regarding safety significance, and corrective and preventive actions will be provided in an update to this LER.Sincerely,/vie~/~M.W.encheck Vice President-Nuclear Engineering Ibwo Attachment J.E.Dyer, Region III P.A.Barrett D.F.Kunsemiller R.Whale D.Hahn Records Center, INPO NRC resident Inspector 9'110526027i

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