ML13330B155

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Forwards 16th Edition of Description of Progress on Selected Ongoing Projects for Facility.Entry Indicating Plant Availability for Previous Month Added,Per NRC Request. Previous Status Description Submitted in
ML13330B155
Person / Time
Site: San Onofre Southern California Edison icon.png
Issue date: 02/10/1987
From: Medford M
Southern California Edison Co
To:
NRC/IRM
References
NUDOCS 8702190302
Download: ML13330B155 (2)


Text

Southem California Edison Company P. 0. BOX 800 2244WALNUT GROVE AVENUE ROSEMEAD, CALIFORNIA 91770 M. 0. MEDFORD TELEPHONE MANAGER OF NUCLEAR ENGINEERING (818) 302-1749 AND LICENSING February 10, 1987 U. S. Nuclear Regulatory Commission Attention:

Document Control Desk Washington, D.C.

20555 Gentlemen:

Subject:

Docket No. 50-206 Progress on Selected Regulatory Projects San Onofre Nuclear Generating Station Unit 1

Reference:

Letter, M. 0. Medford, SCE, to G. E. Lear, NRC, dated December 26, 1986 Enclosed with this letter is the sixteenth edition of our description of the progress on selected regulatory projects now ongoing for San Onofre Unit 1. At the request of the NRC staff, we have added an entry, starting with this edition, that indicates the plant Availability for the previous month. The previous description of this status was submitted via the reference. We will continue to provide monthly updates of the information discussed in the enclosure for your information.

If there are any questions on these projects, please contact me.

Very truly yours, Enclosure 8702190302 870210 PDR ADOCK- 05000206

9 Enclosure PROGRESS ON SELECTED REGULATORY PROJECTS SAN ONOFRE UNIT 1 EDITION 16 Introduction The following is the sixteenth edition of the progress* on selected regulatory projects at San Onofre Unit 1. In this edition an entry indicating the previous month's plant Availability has been added. This number will be reported each month. Also included for information is a tally of all reactor trips during the last twelve months.

Third Train of Auxiliary Feedwater There has been no change in the status of this item.

TDI Diesel Generators There has been no change in the status of this item.

Control Room Habitability There has been no change in the status of this item.

Supplement 1 to NUREG-0737 In accordance with SCE's schedule for responding to NUREG-0737, Supplement 1 items, the criteria for a Safety Parameter Display System (SPDS) was to be finalized by January 9, 1987.

There has been a delay in this effort due to the resolution of other Supplement 1 items.

The SPDS criteria will be available by March 2, 1987.

Inadequate Core Cooling There has been no change in the status of this item.

Reactor Trips Experienced in Last Twelve Months In the last twelve months there have been two reactor trips. They occurred on July 17, 1986 and August 5, 1986.

Previous Month's Plant Availability The Availability of San Onofre Unit 1 for the month of January 1987 was 100%.

Progress represents the submittal of information to the NRC, completion of a modification with a regulatory due date, meetings or site visits by the NRC staff or their contractors.

Internal actions by SCE or the NRC staff continue on each item but are not reported in this document.

GEH:5077F