ML17326A656

Forwards Request for Addl Info Re Review of 791207 Request for Amend to Reflect Proposed Mods to Auxiliary Feedwater Sys

ML17326A656
Person / Time
Site:	Cook
Issue date:	02/27/1980
From:	Schwencer A Office of Nuclear Reactor Regulation
To:	Dolan J INDIANA MICHIGAN POWER CO.
References
NUDOCS 8004150138
Download: ML17326A656 (5)

Text

Docket os.

50-31 and 5 -16 FK8NJAAY g P 1980 F

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,NRC PDRs (2)

Local PDR TERA NSIC NRR Reading ORBl Reading H. Denton

'D. Eisenhut W. Gammill B. Grimes A. Schwencer D. Wigginton C. Parrish I&E ('3)

Attorney, OELD Hr. John Dolan, Vice President Indiana and Hfchigan Electric Company Post Office Box 18 Bowling Green Station New York, Hew York 10004

Dear Nr. Dolan:

In order to complete our review of your December 7, 1979 request for an amendment to reflect the proposed modifications to. the D.

C.

Cook

, Unit Nos.

1 and 2 auxiliary feedwater

systems, we require additional information and higher quality desfgn.'

We request that your<response to the enclosed request. and staff position be submitted within 30 days upon receipt'f this letter.

Sincerely,

,piiginal Si8ned ~X

/5

Enclosure:

Request for Additional Information and Staff Position Z/5 g

15 1

A. Schwencer 4 Chief Operating Reactors Branch 81 Division of Operating Reactors OI5I5ICC~

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Docket Nos.

50-315 and 50-316 UNITEDSTATES NUCLEAR REGUI.ATORY COMMISSION WASHINGTON,D. C. 20555 February 27, 1980 Hr. John Dolan, Vice President Indiana and Hichigan Electric Company Post Office Box 1S Bowling Green Station New York, New York 10004

Dear Hr. Dolan:

In order to complete our review of your December 7,

1979 request for an amendment to reflect the proposed modifications to the D.

C.

Cook Unit Nos.

1 and 2 auxiliary feedwater

systems, we require additional information and higher quality design.

We request that your response to the enclosed request and staff position be submitted within 30 days upon receipt of this letter.

Sincerely,

Enclosure:

Request for Additional Information and Staff Position

+8~84C~

A. Schwencer, Chief Operating Reactors Branch 81 Division of Operating Reactors

Mr. John Dolan Indiana and Michigan Electric Company February 27, 1980 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 and Trowbridge 1800 M Street, N.W.

Washington, D. C.

20036 Citizens for a Better Environment 59 East Van Buren Street Chicago, Illinoi s 60605 Maude Preston Pal enske Memorial Library 500 Market Street St. Joseph, Michigan 49085 Mr. D. Shaller, Plant Manager Donald C.

Cook Nuclear Plant P. 0. Box 458

Bridgman, Michi gan 49106 Mr. Robert Masse Donald C.

Cook Nuclear Plant P. 0. Box 458 Bridgman, Michigan

. 49106

AUXILIARY FEEDMATER SYSTEM MODIFICATION FOR D.

C.

COOK UNIT NOS.

1 5 2 RE VEST FOR ADDITIONAL INFORMATION AND STAFF POSITION 1.

Licensee letter AEP:NRC:00307 dated December 7,

1979 indicates that the proposed ventilation systems in both of the new safety-related battery rooms are designed to Seismic Category I and Group D Standard.

This is not acceptable to the staff.

It is our position that the above stated ventilation systems are required to meet Seismic Category I and guality Group C requirements.

Confirm that these requirements will be met.

2.

The licensee has not provided information regarding the electric power supplies to the new battery room ventilation system.

Confirm that the proposed redundant ventilation systems in each of the new battery rooms are powered from separate essential buses and provide the results of an analysis to demonstrate that the H2 concentration and the temperature inside the battery rooms will be maintained within allowable limits for at least two hours following loss of both offsite and onsite AC power.