ML20004D112
| ML20004D112 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 05/21/1981 |
| From: | Varga S Office of Nuclear Reactor Regulation |
| To: | Abel J COMMONWEALTH EDISON CO. |
| Shared Package | |
| ML20004D113 | List: |
| References | |
| IEB-79-01B, IEB-79-1B, NUDOCS 8106080399 | |
| Download: ML20004D112 (3) | |
Text
UNITED STATES y
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NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555
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May 21,1981 Docket No. 50-295 Mr. J. S. Abel Director of Nuclear Licensing Commonwealth Edison Company Post Office Box 767 Chicago, Illinois 60690
SUBJECT:
ENVIRONMENTAL QUALIFICATION OF SAFETY-RELATED ELECTRICAL EQU RE:
Zion Station, Unit No.1, License No. DPR-39 Reference (a) - Order for Modification of License Concerning the Environmental Qualification of Safety-Related Electrical Equipment dated October 24, 1980
Dear Mr. Abel:
This letter transmits the Safeky Evaluation for the Environmental Qualification c
of Safety-Related Electrical Equipment at your facility. This evaluation was
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based on your submittals dated May 2,1980 as revised June 6,1980 and supplemented September 24, October 1, October 20 and October 31, 1980. Our letter of February 11, 1981, which forwarded our preliminary results, indicated that an item-by-item re-evaluation would be required at a later date. Th.is safety evaluation identifies the specific information required by the staff and the actions, on your part, necessary to comply with Reference (a). We request that you provide the information identified in sections 3 and 4 of this Safety Evaluation to us within 90 days.
T: 's Safety Evaluation addresses only the safety-related electrical equipment exposed to a harsh environment resulting from an accident (i.e., the IEB 79-01B review). Reference (a) requires that all safety-related electrical equipment be qualified by June 30, 1982. The NRC review effort for the equipment in mild environments will be addressed by separate correspondence.
Your response may present alternatives to the staff positions in the evaluation.
The staff will consider alternative approaches if these methods are within the DOR Guidelines or NUREG-0588, as appropriate. For example, an acceptable alternative to the NRC staff's temperature criterion used for the service conditions (i.e. Section 3.3) must base that service condition on the FSAR analysis or other NRC approved analysis, provided that the specific analysis, together with reference to the previous NRC acceptance of that analysis, In addition, some of the information in the accompanies the 90 day response.
Safety Evaluation may require clarification. Contact your project manager for assistance in these matters.
ENCLOSURE CONTAINS PROPIETARY INFORMATION 8106 080 gp
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It remains your responsibility to assure that the qualification deadli.e is met for all safety related electrical equipment. The staff's review of your response to this letter should not delay any action which is requirec in order to meet the deadline.
Sincerely L\\
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Operating Reactq( s
, Branch #1 Steven A. Varga ief l
I Division of Licensing
Enclosures:
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SER I
2.
TER cc w/o encl:
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ENCLOSURE CONTAINS PROPIETARY INFOR!tATION i
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Mr. J. S. Abel Commonwealth Edison Company
.cc: Robert J. Vollen, Esquire U. S. Environmental Protection Agency 109 North Dearborn Street Federal Activities Building Chicago, Illinois 60602-Region V Office ATTN:
EIS C0ORDINATOR Dr. Cecil Lue-Hing 230 South Dearborn Street Director of Research and Development Chicago, Illinois 60604 Metropolitan Sanitary District of Greater Chicago 100 East Erie Street Chicago, Illinois 6n611 Zion-Benton Public Liurary District 2600 Emmaus Avenue Zion, Illinois 60099 Mr. Phillip P. Steptoe Isham, Lincoln and Seale Counselors at Law One First National Plaza 42nd Floor 8
Chicago, Illinois 6C603 Susan N. Sekuler, Esquire Assistant Attorney General Environmental Control Division 188 West Randolph Street, Suite 2315 Chicago, Illinois 60601 Mayor of Zion Zion, Illinois 60099 Department of Public Health ATTN.
Chief, Division of Nuclear Safety 535 West Jeff erson Springfield, Illinois 62761 U. S. Nuclear Regulatory Commission Resident Inspectors Office 105 Shiloh Blvd.
Zion, Illinois 60099 Director, Criteria and Standards Division Office of Radiation Programs (ANR-460)
U. S. Environmental Protection Agency Washington, D. C.
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