ML20195G002
| ML20195G002 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point, 05000000 |
| Issue date: | 02/07/1987 |
| From: | Lainas G Office of Nuclear Reactor Regulation |
| To: | Adensam E Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20150F672 | List:
|
| References | |
| FOIA-88-356 TAC-64108, NUDOCS 8702250407 | |
| Download: ML20195G002 (1) | |
Text
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J February 7,1987 MEMORANDUM FOR:
Elinor Adensam. Director BWR Project Directorate No. 3 Division of BWR Licensing FROM:
Gus Lainas Assistant Director Division of DWR Licensing
SUBJECT:
NINE MILE POINT, UNIT 2 - MODIFICATIONS TO THE MAIN STf'.M ISOLATION VALVE ACTUATION CONTROL SYSTEM (TAC N0. 64108)
The purpose of this memorandum is to forward the Electrical, Instrumentation and Control Systems Branch (EICSB) safety evaluation (Enclosure 1) related to recent design modifications made to the main steam isolation valve (MSIV) actuator control system at Nine Mile Point, Unit 2 (NMP-2).
Based on EICSB's review, it has been concluded that the modified MSIV actuation control system complies with the required regulatory acceptance crite-ia including the requirements of IEEE Standard 279 [10CFR 50.55 a(h)]
and General Design Criterion 21. Refer to the enclosed safety evaluation for details related to this issue.
This effort completes E!CSB's action on TAC No. 64108. The ElCSB evaluation of the licensee's performance (SALP input) is provided in Enclosure 2.
Gus C. Lainas. Assistant Director Division of BWR Licensing
Enclosure:
As stated U
DISTRIBUTION:
cc w/ enclosure:
Central Files W. Houston EICSB RF F. Mitt G. Lainas J. Hulman E. Marinos R. Herran R. Stevens M. Haughey 8702230407 070207 CF ADOCK 0500 41O CONTACT:
R. Stevens (EICSD/ DBL)
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