ML20147F768
| ML20147F768 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 03/03/1988 |
| From: | Gridley R TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| NUDOCS 8803080033 | |
| Download: ML20147F768 (1) | |
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TENNESSEE VALLEY AUTHORITY SN 157B Lookout Place March 3, 1988 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 Gentlemen:
In the Matter of
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Docket Nos 50-327 Tennessee Valley Authority
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50-328 SEQUOYAH NUCLEAR PLANT (SQN) - DIESEL GENERATORS (DGS) - OPERABILITY ANALYSIS By letter dated February 29, 1988, TVA provided NRC with the Sequoyah Nuclear Plant Diesel Generator Evaluation Report (DGER). This report documented that the 1987 DG test results were bounded by TVA's DG analysis and that the safety-related systems / components will perform their intended safety function when powered by the DGs with acceptable margin to insure their operability.
Additionally this report contained sununaries of the reviews prepared by censultants to TVA that support the above-mentioned resultr, and conclusions.
The summary prepared by Mr. Charles Concordia went further and mentioned three factors that could be considerad if further improvements were desired.
The purpose of this letter is to inform you of the actions being taken by TVA to evaluate the factors identified by Mr. Concordia that should be considered if TVA desires to make further improvements. TVA will begin immediately to evaluate each of these factors, singularly and in various combinations, to determine the most optimum improvement. Upon determination of the optimum improvement, a plan will be developed for its installation.
It is expected that the evaluation and planning can be completed in 120 days. At that time, TVA will advise the NRC of the improvement selected as well as a schedule for it s implementation. Our commitment is that this improvement will be installed no later than' first refueling outage following restart of Unit One.
If there are any questions regarding the information provided in this letter, please telephone M. R. Harding at (615) 870-6422.
Very truly yours, TENNESSEE VALLEY AUTHORITY R. L. Gridle, Director Division of lucicar Licensing &
Regulatory Affairs 3030
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An Equal Opportunity Employer L.