ML082880464

Closeout of Generic Letter 2007-01, Inaccessible or Underground Power Cable Failures That Disable Accident Mitigation Systems or Cause Plant Transients

ML082880464
Person / Time
Site:	River Bend
Issue date:	10/24/2008
From:	Lyon C F Plant Licensing Branch IV
To:	Entergy Operations
Lyon C Fred, NRR/DORL/LPL4, 301-415-2296
References
TAC MD4371
Download: ML082880464 (4)

Text

UNITED NUCLEAR REGULATORY WASHINGTON, D.C. 20555*0001 Occ:ober 24, 2008 Vice President, Operations Entergy Operations, Inc. River Bend Station 5485 US Highway 61 N St. Francisville, LA 70775 RIVER BEND STATION, UNIT 1 -CLOSEOUT OF GENERIC LETTER 2007-01, "INACCESSIBLE OR UNDERGROUND POWER CABLE FAILURES THAT DISABLE ACCIDENT MITIGATION SYSTEMS OR CAUSE PLANT TRANSIENTS" (TAC NO. MD4371)

Dear Sir or Madam:

On February 7,2007, the U.S. Nuclear Regulatory Commission (NRC) issued Generic Letter (GL) 2007-01, "Inaccessible or Underground Power Cable Failures That Disable Accident Mitigation Systems or Cause Plant Transients" (Agencywide Documents Access and Management System (ADAMS) Accession No. ML070360665).

GL 2007-01 requested that licensees provide the following information within 90 days of the date of the GL: A history of inaccessible or underground power cable failures for all cables that are within the scope of Section 50.65 of Title 10 of the Code of Federal Regulations (10 CFR 50.65, the Maintenance Rule) and for all voltage levels including the cable type, cable manufacturer, date of failure, type of service, voltage class, years of service, and the root causes for the failure; and A description of all inspection, testing, and monitoring programs to detect the degradation of inaccessible or underground power cables that support emergency diesel generators (EDGs), offsite power, emergency service water (ESW), service water, component cooling water, and other systems that are within the scope of 10 CFR 50.65 (the Maintenance Rule). In your letter dated May 3,2007 (ADAMS Accession No. ML071280224), you provided the information requested in GL 2007-01 including: A history of inaccessible or underground power cable failures for all cables that are within the scope of 10 CFR 50.65 (the Maintenance Rule) and for all voltage levels including the cable type, cable manufacturer, date of failure, type of service, voltage class, years of service, and the root causes for the failure; and A description of all inspection, testing, and monitoring programs to detect the degradation of inaccessible or underground power cables that support EDGs, offsite power, ESW, service water, component cooling water, and other systems that are within the scope of 10 CFR 50.65 (the Maintenance RUle).

-2 The NRC staff has reviewed the submitted information and has concluded that, for River Bend Station, Unit 1, your response to GL 2007-01 is adequate.

Based on this review, your response to GL 2007-01 is considered closed and no further action is requested of you at this time. If you have any questions regarding this letter. please contact me at (301) 415-2296.

Sincerely, (j Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-458 cc: See next page River Bend Station (1 0/9/2008) cc: President of West Feliciana Police Jury P.O. Box 1921 S1. Francisville, LA 70775 Mr. Jim Calloway Public Utility Commission of Texas 1701 N. Congress Avenue Austin, TX 78711-3326 Ms. H. Anne Plettinger 3456 Villa Rose Drive Baton Rouge, LA 70806 Additional Distribution via Listserv October 24, 2008 3 The NRC staff has reviewed the submitted information and has concluded that, for River Bend Station, Unit 1, your response to GL 2007-01 is adequate.

Based on this review, your response to GL 2007-01 is considered closed and no further action is requested of you at this time. If you have any questions regarding this letter, please contact me at (301) 415-2296.

Sincerely, IRA by Jack Donohew for,' Carl F. Lyon, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-458 cc: See next page DISTRIBUTION:

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