ML17325A335

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Agrees W/Amended Position That Manual Isolation Valves Located Inside Containment May Use Either Tamper Switches or Chain & Locks to Assure Valves Open & Capable of Performing Intended Function
ML17325A335
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 10/14/1987
From: Wigginton D
Office of Nuclear Reactor Regulation
To: Dolan J
AMERICAN ELECTRIC POWER CO., INC., INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
References
NUDOCS 8710230121
Download: ML17325A335 (3)


Text

October 14, 1987 Docket Nos.:,

50-315 and 50-316 Mr. John Dolan, Vice President Indiana and Michigan Electric Company c/o American Electric Power Service Corporation 1 Riverside Plaza

Columbus, Ohio 43216 Distribution:

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Grey File

Dear Mr. Dol an:

By letter dated March ll, 1987, the Indiana and Michigan Electric Company (IMEC) amended the earlier position on the supervision of the manual iso-lation, valves associated with the reactor coolant pump fire suppression systems.

IMEC now intends to chain and lock open these valves located inside the Unit 1 containment and, if necessary in the future, to follow the same procedure for Unit 2 should the position-indication tamper switches also begin to fail in Unit 2.

We agree that these valves located inside containment may use either the tamper switches or the chain and locks to assure the valves are open and capable of performing their intended function.

We, therefore, agree with your amended position.

Sincerely,~/

David L. Wigginton, Acting Director Project Directorate III-3 Division of Reactor Projects cc:

See next page Office:

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Mr. John Dolan Indiana and Michigan Electric Company Donald C.

Cook Nuclear Plant CC:

Mr. M. P. Alexich Vice President Nuclear Operations American Electric Power Service Corporation 1 Riverside Plaza

Columbus, Ohio 43215 Attorney General Department of Attorney General 525 West Ottawa Street Lansing, Michigan 48913 Township Supervisor Lake Township Hall Post Office Box 818 Bridgeman, Michigan 49106 W. G. Smith, Jr., Plant Manager Donald C.

Cook Nuclear Plant Post Office Box 458 Bridgman, Michigan 49106 U.S. Nuclear Regulatory Commission Resident Inspectors Office 7700 Red Arrow Highway Stevensville, Michigan 49127 Gerald Charnoff, Esquire Shaw, Pittman, Potts and Trowbridge 2300 N Street, N.W.

Washington, DC 20037 Mayor, City of Bridgeman Post Office Box 366 Bridgeman, Michigan

49106, Special Assistant to the Governor Room 1 - State Capitol Lansing, Michigan 48909 Nuclear Facilities and Environmental Monitoring Section Office Division of Radiological Health Department of Public Health 3500 N. Logan Street Post Office Box 30035 Lansing, Michigan 48909 Regional Administrator; Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen El lyn, Illinois 60137 Mr. J. Feinstein American Electric Power Service Corporation 1 Riverside Plaza
Columbus, Ohio 43216