ML19276G616
| ML19276G616 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 06/11/1979 |
| From: | Schwencer A Office of Nuclear Reactor Regulation |
| To: | Reed C COMMONWEALTH EDISON CO. |
| References | |
| NUDOCS 7907240540 | |
| Download: ML19276G616 (2) | |
Text
,
M5(,A
/'p ncy*'o
,a UNITED STATES R00i"v
$,,,;j,f'g E
NUCLEAR REGULATORY COMMISSION W"""
~
o WASHINGTON. D. C. 20555 JUNE 1 1 1979 Docket Nos. 50-295-nd[5 Mr. Cordell Reed Assistant Vice P' resident Commonwealth Edison Company Post Office Box 767 Chicago, Illinois 60690
Dear Mr. Reed:
SUBJECT:
INFORMATION COPY OF REQUEST FOR ADDITIONAL INFORMATION REGARDING WESTINGHOUSE SMALL BREAK LOCA ANALYSIS As we discussed with you during our meeting on May 30, 1979, the NRC staff is evaluating certain aspects of the NRC licensing process in light of the Three Mile Island Unit 2 (TMI-2) accident of March 28, 1979.
One of the aspects being addressed by the staff in its evaluation is the status of the models used in safety analyses, especially with regard to transients and small break LOCAs.
Enclosed is a copy of an NRC letter, dated June 4,1979, requesting infomation frcra your nuclear steam supply vendor, the Westinghouse Electric Corporation, regarding small break LOCA analyses and analysis methods.
Thi's enclosure is provided for your information.
It is our understanding that you are participating in this effort as it applies to your licensed power plants throQgh an owners group.
At some point in this effort we will require that you document the applicability of the results of these Westinghouse analyses to your plants.
To that end, a copy of all correspondence to Westinghouse and the owners group on this matter will be provided to you aad placed in our files on your specific plants.
Please contact P. D. O'Reilly, the staff',s assigned project manager for this matter, if you have any questions.
Sincerely, -
h:4WWL x
i A. Schwencer, Chief Operating Reactors Branch #1 Division of Operating Reactors
Enclosure:
1979 letter NRC June 4, house to Westing Se/ enclosures cc:
w e next page 7 90724069'd
fir. Cordell Reed Commonweal th Edison Company JUNE i 1 579 cc: Robert J. Yollen, Esquire 109 North Dearborn Street Chicago, Illinois.60602 Dr. Cecil Lue'-Hing Director of Research and Development Metropolitan Sanitary District of Greater Chicago 100 East Erie Street Chicago, Illinois 60611 Zion-Benton Public Library District 2600 Emmaus Avenue Zion, Illinois 60099 Mr. Phillip P. Steptoe Isham, Lincoln and Beale Counselors at Law One First National Plaza 42nd Floor Chicago, Illinois 60603 Susan N. Sekuler, Esquire Assistant Attorney General Environmental Control Division 188 West Randolph Street, Suite 2315 Chica Jo, Illinois 60601 e
6 e