ML13316B369
| ML13316B369 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 05/15/1989 |
| From: | Trammell C Office of Nuclear Reactor Regulation |
| To: | Baskin K Southern California Edison Co |
| Shared Package | |
| ML13316B371 | List: |
| References | |
| TAC-71853 NUDOCS 8905220206 | |
| Download: ML13316B369 (4) | |
Text
0 oUNITED STATES 4
~NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 May 15, 1989 Docket No. 50-206 Mr. Kenneth P. Baskin Vice President Southern California Edison Company 2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California 91770
Dear Mr. Baskin:
SUBJECT:
ISSUANCE OF AMENDMENT NO. 127 TO PROVISIONAL OPERATING LICENSE SAN ONOFRE NUCLEAR GENERATING STATION, UNIT NO. 1 (TAC NO. 71853)
The Commission has issued the enclosed Amendment No. 127 to Provisional Operating License No. DPR-13 for San Oriofre Nuclear Generating Station, Unit No. 1. The amendment consists of changes to the operating license in response to your application dated February 17,1989, as supplemented March 21 and 23, arid May 3 and 8, 1989.
The amendment provides for a reactor vessel thermal shield monitoring program arid mid-cycle inspection until the thermal shield fasteners are repaired during the fuel cycle XI refueling and 10-year ASME Inservice Inspection.
SCE is requested to develop and submit for staff approval a conceptual design and plan for the repair of the thermal shield. Specific subjects that should be addressed are plans for the existing bolts that are not broken, the design of new flexures and modification to the limiter keys.
Please provide this information within 90 days.
When the thermal shield and core barrel are removed, an ultrasonic test of the support block ledge should be performed from the inside of the core barrel. An 89 05220206 890515 FDR ADOCK 05000206
__P P___
_____DC___
Mr. Kenneth May 15, 1989 ultrasonic examination should also be performed on a representative sample of the core barrel-to-lower support plate weld. A visual examination should be performed of the entire weld from both the inside and outside surface.
Copies of our related Safety Evaluation and Notice of Issuance are also enclosed.
Sincerely, Charles M. Tramiell, Senior Project Manager Project.Directorate V.
Division of Reactor Projects III, IV, V and Special Projects
- 1. Amendment No. 127 to License No. DPR-13
- 2. Safety Evaluation 3
Notice of Issuance cc w/enclosures:
See next page
Mr. Kenneth May 15, 1989 ultrasonic examination should also be performed on a representative sample of the core barrel-to-lower support plate weld. A visual examination should be performed of the entire weld from both the inside and outside surface.
Copies of our related Safety Evaluation and Notice of Issuance are also enclosed.
Sincerely, Charles M. Trammell, Senior Project Manager Project Directorate V Division of Reactor Projects III, IV, V and Special Projects
Enclosures:
- 1. Amendment No. 127 to License No. DPR-13
- 2. Safety Evaluation
- 3. Notice of Issuance cc w/enclosures:
See next page DISTRIBUTION Docket File ACRS (10)
NRC & LPDRs GPA/PA PD5 Reading ARM/LFMB MVirgilio Region V (4)
OLee MHum CTrammell RLipinski OGC LMarsh DHagan PTKuo EJordan CYCheng BGrimes LLois TMeek (4)
WHodges Wanda Jones JPartlow EButcher DSellers 0
SO 1 SHIELD DRSP/PD5
/PD5 OGC NRR:EMEB NRR:SRXB DR JLee C ammell:rw ZT(O ce1WtVL Marsh WHodges G 8 ton 5/ /89
/89 5//Z/89 5/o /89 51(0 /89 5///89 LOG p4 5/4
Mr. Kenneth P. Baskin San Onofre Nuclear Generating Southern California Edison Company Station, Unit No. 1 cc Mr. Kenneth P. Baskin Vice President Southern California Edison Company 2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California 91770 David R. Pigott Orrick, Herrington & Sutcliffe 600 Montgomery Street San Francisco, California 94111 Mr. Robert G. Lacy Manager, Nuclear San Diego Gas & Electric Company
.P. 0. Box 1831 San Diego, California 92112 Resident Inspector/San Onofre NPS 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 1600 Pacific highway Room 335 San Diego, California 92101 Regional Administrator, Region V U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 Mr. Paul Szalinski, Chief Radiological Health Branch State Department of Health Services 714 P Street, Office Bldg. #8 Sacramento, California 95814