ML082960517
| ML082960517 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 10/28/2008 |
| From: | Beltz T Plant Licensing Branch III |
| To: | Rencheck M Indiana & Michigan Electric Co |
| beltz T, NRR/DORL/LPL3-1, 301-415-3049 | |
| References | |
| GL-07-001, TAC MD4318, TAC MD4319 | |
| Download: ML082960517 (3) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 28, 2008 Mr. Michael W. Rencheck Senior Vice President and Chief Nuclear Officer Indiana Michigan Power Company Nuclear Generation Group One Cook Place Bridgman, MI 49106 SUB..IECT:
DONALD C. COOK NUCLEAR PLANT, UNITS 1 AND 2 - CLOSEOUT OF GENERIC LEDER 2007-01 "INACCESSIBLE OR UNDERGROUND POWER CABLE FAILURES THAT DISABLE ACCIDENT MITIGATION SYSTEMS OR CAUSE PLANT TRANSIENTS" (TAC NOS. MD4318 and MD4319)
Dear Mr. Rencheck:
On February 07,2007, 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:
(1)
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, (2)
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 letters dated May 8, 2007, and December 20,2007 (ADAMS Accession Nos.
ML071370358 and ML080030026, respectively), you provided the information requested in GL 2007-01 and the subsequent request for additional information including: (1) 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, (2) 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).
The NRC staff has reviewed the submitted information and has concluded that for the Donald C.
Cook Nuclear Plant, Units 1 and 2, your response to GL 2007-01 is adequate. Based on this
M.W. Rencheck
- 2 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 feel free to contact me at (301) 415-3049.
Sincerely,
~/ // ~/.../-_/_--
Ter ~A. Beltz, Senior Project Manager Plant Licensing Branch 111-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-315 and 50-316 cc: Distribution via ListServ
October 28, 2008 M.W. Rencheck
- 2 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 feel free to contact me at (301) 415-3049.
Sincerely, lRAI Terry A. Beltz, Senior Project Manager Plant Licensing Branch 111-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-315 and 50-316 cc: Distribution via ListServ cc: See next page DISTRIBUTION:
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