ML13331A779
| ML13331A779 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 01/31/1985 |
| From: | Zwolinski J Office of Nuclear Reactor Regulation |
| To: | Baskin K Southern California Edison Co |
| Shared Package | |
| ML13331A780 | List: |
| References | |
| TAC-55027 LSO5-85-01-027, LSO5-85-1-27, NUDOCS 8502010550 | |
| Download: ML13331A779 (2) | |
Text
January 31, 19850 Docket No. 50-206 DISTRIBUTION LS05-85-01-027 Docket WPaulson NRC PDR OELD Mr. Kenneth P. Baskin, Vice President Local PDR ELJordan Nuclear Engineering ORB Reading PFMcKee Safety and Licensing Department NSIC ACRS (10)
Southern California Edison Company JZwolinski SEPB 2244 Walnut Grove Avenue CJamerson CMiles, OPA Post Office Box 800 BElliott Rosemead, California 91770
Dear Mr. Baskin:
SUBJECT:
COMBINED HEATUP, COOLDOWN AND PRESSURE LIMITATIONS Re:
San Onofre Nuclear Generating Station, Unit No. 1 Your letter dated May 17, 1984 requested changes to Technical Specification 3.1.3, "Combined Heatup, Cooldown, and Pressure Limitations," to update the curves, extend applicability to 16 Effective Full Power Years (EFPY) of operation, and incorporate the additional information on reactor vessel material determined by analysis of surveillance Capsule F. Enclosure 1 is the NRC staff's evaluation of the Capsule F test results which confirms that the pressure-temperature limits provide sufficient margin to account for neutron irradiation damage for 16 EFPY of operation; however, we have not completed our review of the safety margins for the closure flange region. identifies the additional information needed to confirm that the safety margins required by Appendix G to 10 CFR Part 50 are included in your proposed pressure-temperature limits.
Please provide your response to at least 6 months prior to the start of Cycle No. 9.
As discussed in the enclosed evaluation, because the surveillance capsule data indicate that the pressure-temperature curves have adequate safety margins, the staff concludes that it is acceptable to utilize these curves until the completion of Cycle No. 8.
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, John A. Zwolinski, Chief 0 350131 Operating Reactors Branch #5 PDRADOCK 05000206 Division of Licensing P
ericlosures:
As stated cc w/enclosures:
See next page DL:ORB#5 DL B#5 DL:ORB#5 CJamerson:
WPaulson JZwolinskiI
/C/85 Wa//85
/
1jo/85
Mr. Kenneth January 31, 1985 cc Charles R. Kocher, Assistant Joseph 0. Ward, Chief General Counsel.
Radiological Health Branch James Beoletto, Esquire State Department of Health Southern California Edison Company Services Post Office Box 800 714 P Street, Office Bldg. 8 Rosemead, California 91770 Sacramento, California 95814 David R. Piaott Orrick, Herrington & Sutcliffe 600 Montgomery Street San Francisco, California 94111 Dr. Lou Bernath San Diego Gas & Electric Company P. 0. Box 1831 San Diego, California 92112 Resident Inspector/San Onofre NPS c/o U.S..NRC P. 0. Box 4329 San Clemente, California 92672 Mayor City of San Clemente San Clemente, California 92672 Chairman Board of Supervisors County of San Diego San Diego, California 92101 Director Energy Facilities Siting Division Energy Resources Conservation &
Development Commission 1516 - 9th Street Sacramento, California 95814 U.S. Environmental Protection Agency Region IX Office ATTN:
Regional Radiation Representative 215 Freemont Street San Francisco, California 94105 John B. Martin, Regional Administrator Nuclear Regulatory Commission, Region V 1450 Maria Lane Walnut Creek, California 94596