ML13330B413

Forwards Request for Addl Info Re Review of 851216 & s Concerning Conformance to Rev 2 to Reg Guide 1.97. Response Requested within 60 Days of Receipt of Ltr

ML13330B413
Person / Time
Site:	San Onofre
Issue date:	10/14/1988
From:	Trammell C Office of Nuclear Reactor Regulation
To:	Baskin K Southern California Edison Co
References
RTR-REGGD-01.097, RTR-REGGD-1.097, TAC-51130 NUDOCS 8810260514
Download: ML13330B413 (5)

Text

October 14, 1988 w

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

SUBJECT:

CONFORMANCE TO REGULATORY GUIDE 1.97, REVISION 2 (TAC NO. 51130)

Re:

San Onofre Nuclear Generating Station, Unit No. 1 In reviewing your letters of December 16, 1985 and May 29, 1987 relating to conformance to Regulatory Guide 1.97, Revision 2, we have determined that the additional information identified in the enclosure is needed to complete our review. In order to maintain our review schedule, response is requested within 60 days of your receipt of this letter.

The reporting and/or recordkeeping requirements contained in this letter affect fewer than ten respondents; therefore, OMB clearance is not required under Pub. L.96-511.

Please contact us if you should have any questions regarding this request.

Sincerely, original signed by Charles M. Trammell, Senior Project Manager Project Directorate V Division of Reactor Projects -

III, IV, V and Special Projects oo

Enclosures:

Request for Additional Information cc w/enclosures:

See next page 0

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/88 OFFICIAL RECORD COPY

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON. D. C. 20555 October 14, 1988 Docket No. 50-206 Mr. Kenneth R. Baskin Vice President Southern California Edison Company 2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California 91770

SUBJECT:

CONFORMANCE TO REGULATORY GUIDE 1.97, REVISION 2 (TAC NO. 51130)

Re:

San Onofre Nuclear Generating Station, Unit No. 1 In reviewing your letters of December 16, 1985 and May 29, 1987 relating to conformance to Regulatory Guide 1.97, Revision 2, we have determined that the additional information identified in the enclosure is needed to complete our review. In order to maintain our review schedule, response is requested within 60 days of your receipt of this letter.

The reporting and/or recordkeeping requirements contained in this letter affect fewer than ten respondents; therefore, OMB clearance is not required under Pub. L.96-511.

Please contact us if you should have any questions regarding this request.

Sincerely, Charles M. Trammell, Senior Project Manager Project Directorate V Division of Reactor Projects -

III, IV, V and Special Projects

Enclosures:

Request for Additional Information cc w/enclosures:

See next page

Mr. Kenneth P. Baskin San Onofre Nuclear Generating Southern California Edison Company Station, Unit No. 1 cc Charles R. Kocher, Assistant Mr. Jack McGurk, Acting 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. Pigott Mr. Hans Kaspar, Executive Director Orrick, Herrington & Sutcliffe Marine Review Committee, Inc.

600 Montgomery Street 531 Encinitas Boulevard, Suite 105 San Francisco, California 94111 Encinitas, California 92024 Mr. Robert G. Lacy Mr. Dennis M. Smith, Chief Manager, Nuclear Radiological Programs Division San Diego Gas & Electric Company Governor's Office of Emergency Svcs.

P. 0. Box 1831 State of California San Diego, California 92112 2800 Meadowview Road Sacramento, California 95832 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 Director Energy Facilities Siting Division Energy Resources Conservation &

Development Commission 1516 - 9th Street Sacramento, California 95814 Regional Administrator, Region V U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596

REQUEST FOR ADDITIONAL INFORMATION EMERGENCY RESPONSE CAPABILITY - CONFORMANCE TO REGULATORY GUIDE 1.97, REVISION 2

REFERENCES:

(1) Letter from M. 0. Medford, (SCE) to Document Control Desk, (NRC), dated 5/29/87, Regulatory Guide 1.97 Review San Onofre Nuclear Generating Station, Unit 1 (2) Letter from R. F. Dudley, (NRC), to K. P. Baskin, (SCE),

dated 12/22/86, Transmittal of Draft Technical Evaluation Report (TER) Regarding Regulatory Guide 1.97 Conformance (3) Letter from M. 0. Medford, (SCE) to G. E. Lear, (NRC),

dated 12/16/85, Regulatory Guide 1.97 Review San Onofre Nuclear Generating Station, Unit 1 In response to Reference 2, Southern California Edison Company (the licensee) submitted Reference 1, providing supplemental information on Regulatory Guide (R.G.) 1.97 compliance at San Onofre Nuclear Generation Station, Unit 1 (SONGS-1).

Section 3.3.1 of the Attachment to Reference 2 requested that the licensee provide a commitment and schedule, for modifications identified in Appendix A, as recommended by the licensee's contractor, in Reference 3. Reference 1 indicated that the requested information would be included as part of the CRDR Summary Report due August 17, 1987.

The staff has reviewed the CRDR Summary Report, dated December 17, 1987, and was unable to locate the subject information.

The following items are those that the staff needs further information to conclude our review of the licensee's conformance to R.G. 1.97:

1. In Reference 3, the licensee's contractor recommended that the neutron instrumentation system cabling be upgraded to provide adequate separation.

Reference 1 indicated that the neutron instrumentation system would be replaced with a new system that meets the environmental qualification requirements of 10 CFR 50.49 and the Category 1 criteria of R.G. 1.97.

However, it remains unclear whether the existing cabling will be used or upgraded as part of the replacement system.

2. In Reference 3, the licensee's contractor recommended that the reactor coolant system cold leg temperature power supply be upgraded to provide adequate separation. The licensee should address the upgrading of the reactor coolant system cold leg temperature power supply.

3. In Reference 3, the licensee's contractor recommended, that the reactor coolant pressure power supply be upgraded to provide adequate separation.

The licensee should address the upgrading of the reactor coolant system pressure power supply.

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4. In Reference 3, the licensee's contractor recommended that the steam generator wide range level transmitters be environmentally qualified to be used as a redundant channel for auxiliary feedwater flow. The licensee should address the environmental qualification of the steam generator wide range level transmitters.

5. In Reference 3, the licensee's contractor recommended that the auxiliary feedwater tank level power supply be upgraded to provide adequate separation.

The licensee should address the upgrading of the auxiliary feedwater tank level power supply.

6. In Reference 3, the licensee's contractor recommended that the recirculation flow instrumentation be upgraded to provide redundant, environmentally qualified instrumentation. The licensee should address the upgrading of the recirculation flow instrumentation.

7. In Reference 3, the licensee's contractor recommended that the main steam pressure instrumentation be upgraded to provide environmental qualification with adequate range and uninterruptable power supply. The licensee should address the upgrading of the main steam pressure instrumentation.

8. In Reference 3, the licensee's contractor recommended that the containment isolation valve position indication be upgraded to qualified status. The licensee should address the upgrading of the containment isolation valve position indication.

9. In Reference 3, the licensee's contractor recommended that the pressurizer level instrumentation power supply be upgraded to provide adequate separation.

The licensee should address the upgrading of the pressurizer level instrumentation power supply.