ML19246A685
| ML19246A685 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 05/30/1979 |
| From: | Stello V Office of Nuclear Reactor Regulation |
| To: | Finfrock I JERSEY CENTRAL POWER & LIGHT CO. |
| Shared Package | |
| ML19246A686 | List: |
| References | |
| NUDOCS 7907060242 | |
| Download: ML19246A685 (3) | |
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UNITED STATES y{e h
NUCLEAR REGULATORY COMMISSION
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C WASHINGTON, 0. C. 2055' o
8 May 30,1979 Docket No. 50-219 Mr. I. R. Finfrock, Jr.
Vice President - Ger:eration Jerscy Central Power & Light Company Madison Avenue at Punca Bowl Road Morristown, New Jersey 07960
Dear Mr. Finfrock:
We have completed our review of the May 2,1979 transient at the Oyster Creek Nuclear Generating Station that resulted in the reactor water 1sel decreasing below the low-low-low level, which was set at 4 feet 8 inches above the top of the active fuel.
Enclosed is our Safety Evaluation Report that presents our review and conclusions regarding (1) the event, (2) the condition of the core, and (3) the corrective action taken to prevent recurrence.
During your review and formulation of correctise action to prevent recurrence you proposed two changes to the Technical Specifications.
These changes are to modify Section 2.1.0 to clearl,v define the low-low-low water level as a safety limit for all modes of operation and to add Section 2.1.F containing a second safety limit which requires at least two recirculation loops to have the pump suction and discharge valves in the full open position at all times except when the reactor head is removed.
Implementation of these two technical specification changes is a prerequisite to resuming operation.
This license amendment with its related Safety Evaluation Report will be transmitted to you as a separate action.
As a result of your analysis " Bounding Loss of Coolant Inventory Transient for the Oyster Creek Plant," dated May 19, 1979, you agreed to propose another Technical Specification change.
This change would add a limiting safety system setting to Section 2.3 of the Specifi-cations to require automatic initiation of the isolation condenser on a low-low reactor vessel water level signal.
This requirement would provide automatic corrective action to prevent the safety limits on reactor vessel level frora being exceeded. This license amendment must be submitted by June 1,1979.
We will evaluate and act on that request as a separate issue as soon as it is received.
ph 7907060297-70
Mr. I. 3. Finfrock May 30,1979 We suggest that you consider other means of supplying high pressure water to the primary system in event of abnormal conditions.
The r.eed for additional cooling capabilities and the review of any modification you propose will be evaluated in the context of the Systematic Evaluation Progr&m.
Based on our review of the May 2,1979 event, the information on the condition of the core, and the corrective action taken (including the changes to the Technical Specifications) to prevent recurrence, we have concluded that there is reasonable assurance that there was no damage to the core and there is reasonable assurance that the health and safety of the public will not be endangered by resumption of operation.
Therefore, pursuant to 10 CFR 50.36 (c)(1) the Oyster Creek Nuclear Generati:1 Station is authorized to resume operation.
Sincerely, W
d AN 1 h>3 bictor Stello, Jr., Director Division of Operating Reactors
Enclosure:
Safety Evaluation Report cc w/ enclosures:
See next page 298 276
Mr. I. R. Finfrock, Jr.
cc G. F. Trowbridge, Esquire Gene Fisher Shaw, Pittman, Potts and Trowbridge Bureau Chief 1800 M Street, N. W.
Bureau of Radiation Protection Washington, D. C.
20036 380 Scotts Road Trenton, New Jersey 08628 GPU Service Corporation ATTN:
Mr. E. G. Wallace Mark L. First Licensing Manager Deputy Attorney General 260 Cherry Hill Road State of New Jersey Parsippany, New Jersey 07054 Department of Law and Public Safety Environmental Protection Section Anthony Z. Roisman 36 West State Street Natural Resources Defense Council Trenton, New Jersey 08625 917 15th Street, N. W.
Washington, D. C.
20005 Joseph T. Carroll, Jr.
Plant Superintendent Steven P. Russo, Esquire Oyster Creek Nuclear Generating 248 Washington Street Sta ti o r.
P. O. Box 1060 P. O. Box 388 Toms River, New Jersey 08753 Forked River, New Jersey 08731 Joseph W. Ferraro, Jr.. Esquire Director, Technical Assessment Deputy Attorney General Division State of New Jersey Of fice of Radiation Programs Department of Law and Public Safety (AW-459) 1100 Raymond Boulevard U. S. Environmental Protection Newark, New Jersey 07012 Agency Crystal Mall =2 Ocean County Library Arlington, Virginia 20460 Brick Township Branch 401 Chambers Bridge Road U. S. Environmental Protection Brick Town, New Jersey 08723 Agency Region II Office Mayor ATTN:
EIS COORDINATOR Lacey Township 26 Federal Plaza P. O. Box 475 New York, New York 10007 Forked River, New Jersey 08731 Co.nni ssio ner Department of Public Utilities State of New Jersey 101 Conmerce Street Newark, New Jersey 07102
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