ML20043A554
| ML20043A554 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood  |
| Issue date: | 05/17/1990 |
| From: | Shemanski P Office of Nuclear Reactor Regulation |
| To: | Kovach T COMMONWEALTH EDISON CO. |
| References | |
| TAC-74547, TAC-74548, TAC-74549, TAC-74550, NUDOCS 9005220235 | |
| Download: ML20043A554 (1) | |
Text
..
May 17,1990 l
' Docket Nos. STN 50-454, STN 50-455 STN $0-456, STN 50-457 Mr. Thomas J. Kovach Nuclear Licensing Manager Commonwealth Edison Company Suite 300 l
OPUS West !!!'
i' 14D0 OPUS Place Downers Grove, Illinois 60515 Dear Mr. Kovacht
SUBJECT:
BYRON STATION, UNITS 1 AND 2, AND BRAIDWOOD STATION, UNITS l'AND 2 - REQUEST FOR ADDITIONAL INFORMATION,.
CONTAINMENT HYDROGEN MONITORING SYSTEM DESIGN (TACNOS. 74547,74548,74549AND74550)
The enclosed Plant Systems Branch request for' additional information concerns Commonwealth Edison's submittal dated August 21, 1989, regarding the discrepancy between the existing Byron and Braidwood designs for the containment hydrogen monitoring system, and the designs approved in each plant's original Safety Evaluation Report as described in the Updated final Safety Analysis Report. We find additional information from Ceco is necessary.
for us to continue our review.
You are requested to provide the additional information (see enclosure) within 45 days of receipt of this letter.
The reporting and/or recordkeeping requirements contained in this letter affect fewer than ten respondents; therefore, OMB clearance'is not required under P.L.96-511.
Sincerely,
('S Y
Paul C. Shemanski, Project Manager j
Project Directorate III-2 j
Division of. Reactor Projects - III, IV, V;and Special Projects Office of Nuclear Reactor Regulation
Enclosure:
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