ML19309C678

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Forwards Request for Addl Info Per Continuing Review of SEP Topic III-6.Requests Response within 30 Days of Receiving Ltr
ML19309C678
Person / Time
Site: Millstone Dominion icon.png
Issue date: 03/11/1980
From: Ziemann D
Office of Nuclear Reactor Regulation
To: Counsil W
NORTHEAST NUCLEAR ENERGY CO.
References
TASK-03-06, TASK-3-6, TASK-RR NUDOCS 8004090147
Download: ML19309C678 (3)


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Docket No. 50-245 Mr. W. G. Couns11, Vice President Nuclear Engineering and Operations Northeast Nuclear Energy Company P. O. Box 270 Hartford, Connecticut 06101

Dear Mr. Counsil:

SUBJECT:

SEP TOPIC III SEISMIC REVIEW We are continuing our review of SEP Topic III-6 for Millstone 1 and have found that the additional information described in the enclosure to this letter is needed. We request your response within 30 days after your receipt of this letter.

Sincerely, f

%n Dennis L. Ziemann Chief Operating Reactors Branch #2 Division of Operating Reactors

Enclosure:

Request for Additional Information cc w/ enclosure:

See next page 800400avn l

Mr. W. G. Counsil March 11, 1980 cc w/ enclosure:

William H. Cuddy, Esqui.e Connecticut Energy Agency Day, Berry & Howard ATTN: Assistant Director Counselors at Law Research and Policy One Constitution Plaza Development Hartford, Connecticut 06103 Department of Planning and Energy Policy Anthony Z. Roisman 20 Grand Street Natural Resources Defense Council Hartford, Connecticut 06106 91715th Street, N. W.

Washington, D. C.

20005 Director, Technical Assessment Division Northeast Nuclear Energy Company Office of Radiation Programs ATTN: Superintendent (AW-459)

Millstone Plant U. S. Environnental Protection P. O. Box 128 Agency Waterford, Connecticut 06385 Crystal Mall #2 Arlington, Virginia 20460 Mr. Jares R. Himmelwright Northeast Utilities Service Company U. S. Environmental Protection P. O. Box 270 Agency Hartford, Connecticut 06101 Region I Office ATTN: EIS COORDINATOR Resident Inspector JFK Federal Building c/o U. S. NRC Boston, Massachusetts 02203 P. O. Box Drawer KK Niantic, Connecticut 06357 X M C, Inc.

ATTN: Richard E. Schaffstall Waterford Public Library 1747 Pennsylvania Avenue, N. W.

Rope Ferry Road, Route 156 Suite 1050 Waterford, Connecticut 06385 Washington, D. C.

20006 First Selectman of the Town of Waterford Hall of Records 200 Boston Post Road Waterford, Connecticut 06385 l

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ADDITIONAL INFORMATION REQUIRED TO DOCUMENT THE SEISMIC RESISTANCE CAPABILITY OF THE MILLSTONE I FACILITY We have reviewed the material which has been submitted to us on November 26, 1979. As a result, the following list sumarizes the remaining mechanical and electrical equipment information for the Millstone Unit 1 Nuclear Plant, which is needed in order to evaluate the seismic design adequacy. A separate list of.

remaining structural information will be sent to you as soon as it becomes available.

MECHANICAL EOUIPMENT 1.

Control Rod Drive Hydraulic Control Units - design calculations, drawings, and specification needed.

2.

Isolation Condenser Heat Exchanger - specification needed.

3.

Essential or Emergency Cooling Water Heat Exchanger - design calculations and specification needed.

4.

Shutdown Heat Exchanger - design calculations, drawings and specification needed.

5.

Recirculation Pump Support - design calculations and specification needed.

6.

Oil Storage Day,, Tank - design calculations, drawings, and specification needed.

7.

Essential or Emergency Service Water Pun, s - design calcula-tions and specification needed.

8.

Motor Operated Valves - design calculations / seismic qualification report, drawings needed; also procedure by which the eccentricity of valve mass is considered in piping analysis.

The particular drawings required are the general arrangement drawings showing structural details of the component and its supports and including connection details (i.e., bolt material, size, arrangement).

ELECTRICAL EQUIPMENT 1.

4160-480 Transformers - design calculations / seismic qualification report, drawings, and specification needed.

2.

Battery Racks - design calculations / seismic qualification report, drawings, and specification needed.

3.

Remote Control Board for Diesel Generator - design calculations /

seismic qualification report, drawings, and specification needed.

4.

Motor Control Center (Single Unit) in Diesel Generator Room -

design calculations / seismic qualification report, drawings and specification needed.

5.

Battery Chargers - design calculations / seismic qualification report, drawings and specification needed.

6.

Motor Control Centers - design calculations / seismic qualification report, drawings and specification needed.

7.

Switch Gear Panels - design calculations / seismic qualification report, drawings and specification needed.

B.

Cable Tray Including Lateral Supports - design calculations /

seismic qualification report, drawings and specification needed.

Please advise if you require clarification of this list.

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