ML20082E056

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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 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

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PDR ADOCK 05000454 P

PDR A l'nicom Comp.my

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. USNRC Document Control Desk April 4,1995 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.

Comed considers this matter closed.

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

I Very truly yours,-

l i

l Harold D. Pontious, Jr.

l Nuclear Licensing Administrator cc:

J. B. Martin, Regional Administrator - RIII 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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