ML17037B578
| ML17037B578 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 09/10/1975 |
| From: | Lear G Office of Nuclear Reactor Regulation |
| To: | Rhode G Niagara Mohawk Power Corp |
| References | |
| Download: ML17037B578 (10) | |
Text
Docket No. 50-220 DISTRIBUTION:
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ORB¹3 Rdg KRGoller TJCarter GLear JGuibert Niagara Mohawk Power Corporation NPaulson ATTN:
Mr. Gerald K. Rhode SATeets Vice President - Engineering OELD 300 Erie Boulevard Nest OIGE (3)
- Syracuse, New York 13202 TBAbernathy SVarga Gentlemen:
DEisenhut ACRS (16)
Ne have reviewed the information submitted by your letters dated June,10, 1975 and August 8, 1975, regarding your proposed modifications to the Nine hfile Point, Unit 1, spent fuel pool storage-facility.
Based on our review of your submittals, we conclude that this proposed modification may involve an unreviewed safety question.
To enable us to complete our review, we request that you provide tho additional information listed in the enclosure.
In order for us to complete our review of your proposed modifications to the spent fuel pool storage facility, we will need your response to the enclosure by October 31, 1975.
Please contact us if you desire any clarification of the information requested.
Sincerely, w~i George Lear, Chief Operating Reactors Branch ¹3 Division of Reactor Licensing
Enclosure:
Request'or Additional Information cc:
See next page SURHAMCW OATSW
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Niagara Mohawk Power Corporation CC:
Arvin E. Upton, Esquire
- LeBoeuf, Lamb, Leiby ( MacRae 1757 N Street, N.
W.
Washington, D. C.
20036 Anthony Z. Roisman, Esquire Berlin, Roisman 5 Kessler 1712 N Street, N.
W.
Washington, D. C.
20036 Dr. William Seymour, Staff Coordinator New York State Atomic Energy Council New York State Department of Commerce 112 State Street
- Albany, New York 12207 Oswego City Library 120 E. Second Street Oswego,.
New York 13126
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.
C.
20555
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~97'ocket No. 50-220 Niagara Mohawk Power Corporation ATTN:
Mr. Gerald K. Rhode Vice President - Engineering 300 Erie Boulevard West
- Syracuse, New York 13202 Gentlemen:
We have reviewed the information submitted by your letters dated June. 10, 1975 and August 8, 1975, regarding your proposed modifications to the Nine Mile Point, Unit 1, spent fuel pool storage facility.
Based on our review of your submittals, we conclude that this proposed modification may involve an unreviewed safety question.
'To enable us to complete our review, we request that you provide the additional information listed'n the enclosure.
In order for us to complete our, review of your proposed modifications to the spent fuel pool storage facility, we will need your response to the enclosure by October 31, 1975.
Please contact us if you desire any clarification of the information requested.
Sincerely,
Enclosure:
Request for Additional Information George Lear, Chief Operating Reactors Branch II3 Division of Reactor Licensing l
cc:
See next page
J
Niagara Mohawk Power Corporation
. SEP1 0 Iyg CC:,
Arvin E. Upton, Esquire
- LeBoeuf, Lamb, Leiby 5 MacRae 1757 N Street, N.
W.
Washington, D. C.
20036 Anthony Z. Roisman, Esquire Berlin, Roisman 5 Kessler 1712 N Street, N.
W.
Washington, D. C.
20036 Dr. William Seymour, Staff Coordinator New York State Atomic Energy Council New York State Department of Commerce 112 State Street
- Albany, New York 12207 Oswego City Library 120 E. Second Street Oswego,.
New York 13126
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ENCLOSURE RE VEST FOR ADDITIONAL INFORhQTION KP-I SPENT FUEL STORAGE POOL I.
Provide an analysis of the accident which would occur if a new spent fuel'torage rack were dropped onto existing storage racks containing spent fuel bundles during the proposed installation of new fuel racks in the spent fuel storage pool.
Describe the precautions (procedural and/or mechanical) which would prevent the occurrence of such an accident.
2.
Provide a description of the seismic design and capability to withstand seismic events for the spent fuel pool cooling system and components.
Include the related systems which lead to the ultimate heat sink.
3.
Provide an analysis of the potential for a single failure to reduce or invalidate the effectiveness of the spent fuel cooling system.
Include related systems.
4.
Provide analyses which show that the total heat load of the spent fuel can be dissipated by the pool cooling system for (1) design conditions, and (2) loss of one cooling train.
Assume that all fuel storage spaces are occupied and show that a conservative assumption of fuel heat load is, used in the calculations.
S.
Provide an analysis of the loss of all normal spent fuel pool cooling with the pool fully loaded with spent fuel.
Sho>> that a conservative assumption of fuel heat load is used in the calculations.
List alternate means of cooling, state the times needed to activate the alternate cooling systems, describe their heat removal capability, and show that the alternate cooling systems would adequately cool the spent fuel.
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