ML17317A863
| ML17317A863 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 01/03/1979 |
| From: | Schwencer A Office of Nuclear Reactor Regulation |
| To: | Tillinghast J INDIANA MICHIGAN POWER CO. |
| References | |
| NUDOCS 7901120093 | |
| Download: ML17317A863 (3) | |
Text
I "i January 3,
1979 DISTRIBUTION 0-15 NRC PDR Local DPR ORB RF NRR Reading VStello BGrimes
. DEisenhut OELD OI&E (3)
ASchwencer MMlynczak CSParrish TERA J.
R. Vollmer R.
DeYoung R. Boyd G. Knighton E. Adensam L. Barrett H. Fontecilla W. Houston D. Bunch Docket No. 50-315 Mr. John T. Tillinghast, Vice President Indiana and Michigan Electric Company Indiana and Michigan Power Company Post Office Box 18 Bowling Green Station New York, New York 10004
Dear Mr. Tillinghast:
By letters dated March 21, 1977 and September 30, 1977, you provided a detailed evaluation of the potential consequences of a postulated fuel handling accident inside containment for the Donald C.
Cook Nuclear Plant.
We have reviewed your analysis and have determined that the assumptions used for the analysis are comparable with the guidance of Regulatory Guide 1.25 and justified by the quality of the equipment on which you rely.
For us go conclude that the potential consequences of this postulated accident are appropriately within the guidelines of 10 CFR Part 100 (i.e., less than 100 rem 'Qyroid), we must use your'assumption that the time to close the valves to isolate the containment is less than five seconds.
This assumption is not based on limits in the Donald C.
Cook.Unit 1 Technical Specifications.
By your letter dated February 3. 1978, you proposed containment isolation valve closure times of five seconds for incorporation into the Donald C.
Cook Unit 2 Technical Specifications.
We request that you p'ropose a Technical Speci-fication, within 60 days of the date of this letter, incorporating this limit into the Unit 1 Technical Specifications.
Sincerely, Original Signed Bg E
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'ingian E Michigan WEectric Company-Indian 5 Michi gan Power Company January 3,
1979 cc:
Mr. Robert W. Jurgensen Chief Nuclear Engineer American Electric Power Service Corporation 2 Broadway New York, New York 10004 Gerald Charnoff, Esquire
- Shaw, Pittman Potts 8 Trowbridge 1800 M Street, NW Washington, D,C.
20036 David Dinsmore Comey Executive Director Citizens for a Better Environment 59 East Van Buren Street Chicago, Illinois 60605 Maude Reston Palenske M morial Library 500 Market Street St. Joseph, Michigan 49085 Donald C.
Cook Nuclear Plant ATTN:
Mr.
D. Shaller Plant Manager P. 0.
Box 458 Bridgman, Michigan 49106 Kenneth R,
Baker 2874 Robin Hood Drive Stevensville, Michigan 49127