ML20003B064
| ML20003B064 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 02/05/1981 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8102100294 | |
| Download: ML20003B064 (1) | |
Text
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i TENNESSEE VALLEY AUTHORITY CH ATTANOOGA. TENNESSEE 37401 O
400 Chestnut Street Tower II V _.
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February 5, 1981 n
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Director of Nuolear Reactor Regulation Attentiont W. A. Schwencer, Chief Licensing Branch No. 2 Division of Licensing L
U.S. Nuclear Regulatory Commission Washingten DC 20555 Dear Mr. Schwencers In the Matter of
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Docket No. 50-327 Tenneasee Valley Authority
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f In order to meet the requirements outlined in Supplement il to the Safety Evaluation Report for Sequoyah Nuclear Plant for equipment survivability during a hydrogen bum, TVA will provide the following information by l
l May 31, 1981.
(t) New calculations using an improved methodology for the long term
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containment atmosphere te geratures.
(2) An evaluation of the survivability of essential safety-related equipment using the short term equipment heatup calculational methods provided in our January 22, 1981, submittal, the long term containment environment calculations discussed above, and the available environ-mental qualification data for the applicable components.
(3) A schedule for conducting confirsatory tests on any essential ocaponent deemed to be not acceptable for operatics in the contairoent hydrogen burn environment. This sobedule will be ocasistent with the NRC's review required to meet the January 31, 1982, deadline.
Very truly yours, TEWlESSEE VALLEY AUTHORITY ki n
L. M. Mills, Manager
'Nuolear Regulation and Safety L
. Sworn _to and subsor >Jpforeme thied -
day of 1981.
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