ML20212K856
| ML20212K856 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 08/14/1986 |
| From: | Varga S Office of Nuclear Reactor Regulation |
| To: | Farrar D COMMONWEALTH EDISON CO. |
| Shared Package | |
| ML20212K861 | List: |
| References | |
| REF-GTECI-A-49, REF-GTECI-RV, TASK-A-49, TASK-OR NUDOCS 8608250092 | |
| Download: ML20212K856 (2) | |
Text
l August 14, 1986 DISTRIBUTION I
Docket No. 50-295 N
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J. Norris NRC PDR C. Vogan Local PDR ACRS (10) i i
T. Novak Tech Branch Mr. D. L. Farrar OGC-B P. Randall, PWR8/EB Director of Nuclear Licensing E. Jordan L. Lois, PWRA/RSB Commonwealth Edison Company B. Grimes G. Vissing Post Office Box 767 J. Partlow Chicago, Illinois 60690
Dear Mr. Farrar:
SUBJECT:
ZION NUCLEAR POWER STATION, UNIT 1 - REQUIREMENTS FOR PROTECTION AGAINST PRESSURIZED THERMAL SHOCK EVENTS By letter dated January 17, 1986, the Commonwealth Edison Company submitted information on the material properties and the fast neutron fluence of the reactor pressure vessel in compliance with the requirements of 10 CFR 50.61.
We have reviewed your submittal and conclude that Zion Unit I does not meet the fracture toughness requirements of 10 CFR 50.61 neither for 32 effective full power years of operation or to the end of the current license.
Therefore, we request that you submit your plans for flux reduction program as required by paragraph 10 CFR 50.61(b)(3).
The enclosed Safety Evaluation provides details of our analysis.
Sincerely, Steven A. Varga, Director Project Directorate #3 Division of PWR Licensing-A
Enclosure:
As stated cc:
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Mr. D. L. Farrar Commonwealth Edison Company Zion Station cc:
Robert J. Vollen, Esquire Mr. Michael C. Parker, Chief 109 North Dearborn Street Division of Engineering Chicago, Illinois 60602 Illinois Department of Nuclear Safety Dr. Cecil Lue-Hing 1035 Outer Park Drive, 5th Floor Director of Research and Development Springfield, Illinois 62704 Metropolitan Sanitary District of Greater Chicago 100 East Erie Street Chicago, Illinois 60611 Mr. Michael I. Miller Isham, Lincoln and Beale Counselors at Law Three First National Plaza 51st Floor Chicago, Illinois 60602 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 Illinois Department of Nuclear Safety ATTN: Manager, Nuclear Facility Safety 1035 Outer Park Drive, 5th Floor Springfield, Illinois 62704 U.S. Nuclear Regulatory Commission Resident Inspectors Office 105 Shiloh Blvd.
Zion, Illinois 60099 Regional Administrator, Region III U.S. Nuclear Regulatory Comission 799 Roosevelt Road Glen Ellyn, Illinois 60137