ML13317A336

Forwards Nonproprietary Steam Generator Insp Program,Return to Power Rept,San Onofre Nuclear Generating Station,Unit 1, Vols 1 & 2 & Proprietary Suppl.Suppl Withheld (Ref 10CFR2.790)

ML13317A336
Person / Time
Site:	San Onofre
Issue date:	09/21/1982
From:	Baskin K Southern California Edison Co
To:	Crutchfield D Office of Nuclear Reactor Regulation
Shared Package
ML13317A337	List: ML13317A336 ML13317A339 ML13333B113
References
NUDOCS 8209230366
Download: ML13317A336 (2)

Text

IM Southern California Edison Company P. 0.

BOX 800 2244 WALNUT GROVE AVENUE ROSEMEAD.

CALIFORNIA 91770 K. P. BASKIN

.oTELEPHONE MANAGER OF NUCLEAR ENGINEERING, September 21, 1982 (213) 572-1401 SAFETY, AND LICENSING Director, Office of Nuclear Reactor Regulation Attention: D. M. Crutchfield, Chief Operating Reactors Branch No. 5 Division of Licensing U. S. Nuclear Regulatory Commission Washington, D.C.

20555 Gentlemen:

Subject:

Docket No. 50-206 Steam Generator Inspection Report San Onofre Nuclear Generating Station Unit 1 On February 26, 1982, San Onofre Unit 1 was shut down to perform an inspection of the steam generators in accordance with the operating license.

The inspection focused on (1) sleeved tubes over their sleeved lengths, (2) non-sleeved tubes on the inlet side on the region at or near the top of the tubesheet, and (3) general surveillance of tube bundles and special surveillance of anti-vibration bar area wear, progression of denting and other previously detected tube degradation. In addition to these inspections, we preformed a secondary side foreign materials and loose parts inspection.

1A tme-paoP During meetings with representatives of the Regulatory staff on April 13, May 12 and September 9, 1982, we provided information related to the shLJ b-A program description, findings, corrective actions and conclusions for each of the inspections discussed above. The information is contained in the report 155 L 6entitled, "Steam Geneator Inspection Program, Return to Power Report, San

i-Onofre Nuclear Generating Station, Unit 1, September, 1982, Volumes I and II D

I (Non-Proprietary)," ten copies of which accompany this letter. Also contained H in the enclosed report is the additional information which was provided during M P the aforementioned May 12, 1982 meeting in response to your letter dated isk l March 11, 1982 related to the.steam generator sleeving repair program.

Since some of this information was previously considered proprietary to Westinghouse, it has been omitted from the enclosed report and is contained in the report entitled, "Proprietary Supplement to Steam Generator Inspection Program, Return to Power Report, San Onofre Nuclear Generating Station, VS Unit 1, September, 1982," ten copies of which also accompany this letter.

Pursuant to 10 CFR 2.790(b)(1), it is requested that this report be withheld from public disclosure since disclosure would adversely affect the competitive ad^* position of the Westinghouse Electric Corporation. The basis on which the

> of information contained in the report may be withheld from public disclosure by c 4p,'9 tje NRC, as identified by reference paragraph notation in the report, is set V Pao VAJ0 orth in the previously submitted affidavit and application for withholding, AW-80-53, dated September 5, 1980, a copy of which is enclosed as submitted to the Commission September 12, 1980.

4 roA o

209230366 820921 PDR ADOCK 05000206 PDR

Mr. D.

September 21, 1982 As discussed with representatives of the Regulatory staff at the aforementioned September 9, 1982 meeting, all corrective actions described in the enclosed reports have been completed.

Section V of the enclosed "Steam Generator Inspection Program, Return to Power Report (Non-Proprietary)"

provides a summary of the inspection results and conclusions relative to these results, indentifies the return to power conditions, and identifies the future inspections which will be performed subsequent to resumption of power operation from the current outage. As required by our operating license, it is respectfully requested that you promptly complete your review of the enclosed reports and approve resumption of power operation as it relates to the inspection of the steam generators.

If you have any questions or desire further information concerning the enclosed reports, please contact me.

Very truly yours, Enclosures (As discussed above)