ML20082E056

Submits Suppl Response to Audit of Effectiveness of Licensee Activities Re Performance of SR Check Valves at Plant Units 1 & 2

ML20082E056
Person / Time
Site:	Byron
Issue date:	04/04/1995
From:	Pontious H COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TAC-M81019, TAC-M81020, NUDOCS 9504110088
Download: ML20082E056 (2)

Text

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Commonwealth Edison Company l ,14(x) opus Place Downers Grove, IL 60515 1 1 -

i l April 4,1995 '

United States Nuclear Regulatory Commission Attention

Document Control Desk Washington, D.C. 20555 l

Subject:

Supplemental Response to Audit of Effectiveness of Licensee Activities Regarding the Performance of Safety-Related Check Valves at Byron Station, Units I and 2 (TAC Nos. M81019 and M81020)

Byron Nuclear Power Station, Units 1 and 2 NPF-37 and NPF-66: NRC Docket Nos. 50-454 and 50-455

References:

1. Denise M. Saccomando (Comed) letter to Dr. Thomas E. Murley (NRC), Supplemental Information with Regards to Commonwealth Edison Company (CECO) Byron Station Units 1 and 2 Response to Audit Effectiveness of Safety Related Check Valve Programs (TAC Nos. M81019 and M81020), dated January 14,1994

2. Anthony H. Hsia (NRC) letter to Thomas J. Kovach (Comed), ,

Audit of Effectiveness of Licensee Activities Regarding the l Performance of Safety-Related Check Valves at Byron Station, Units 1 and 2 (TAC Nos. 81019 and 81020),

dated October 21,1991 Gentlemen:

Reference 1 provided the Nuclear Regulatory Commission (NRC) with the current I

status of the Commonwealth Edison Company's (Comed's) response to Concern #5 identified during an audit of safety-related check valve performance conducted from July 8,1991, through July 12,1991, at the Byron Nuclear Power Station. The results of that audit were documented in Reference 2. .

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9504110088 950404 PDR ADOCK 05000454 P PDR '

A l'nicom Comp.my

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I l . USNRC Document Control Desk April 4,1995 l J

l In Reference 1 Comed committed to write a Technical Information Document (TID) which would provide guidance for station use to enhance check valve performance.

TID-MS-21, Enhanced Performance of Check Valves, Revision 0 was issued on )

May 4,1994.  ;

l Comed considers this matter closed.  !

l Please address any comments or questions regarding this matter to this office. I i

Very truly yours,-

l I

i l Harold D. Pontious, Jr. l

! Nuclear Licensing Administrator cc: J. B. Martin, Regional Administrator - RIII l G. F. Dick Jr., Byron Project Manager - NRR H. Peterson, Senior Resident Inspector - Byron i l Office of Nuclear Facility Safety - IDNS l

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