ML20210L031

Special Rept:On 860321,during Refueling Outage,Portion of Fire Main Removed from Svc for Mod of Fire Water Sys to Include Installation of Fire Suppression Sys, Per 10CFR50.48,App R.Sys Will Be Returned to Svc by May

ML20210L031
Person / Time
Site:	San Onofre
Issue date:	04/18/1986
From:	Morgan H SOUTHERN CALIFORNIA EDISON CO.
To:	Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
NUDOCS 8604290150
Download: ML20210L031 (1)

Text

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Southem Califomia Edison Company 13E6 W R 2 3 H\\ \\\\; 2 5 SAN ONOFRE NUCLEAR GENERATING STATION b:I)N Y $ $ h SAN CLEMENTE, CAUFORNIA 92672 H E MORGAN I M N NE stare ====act" April 18, 1986 U. S. Nuclear Regulatory Commission

. Region V-1450 Maria Lane, Suite 210 Walnut Creek, California 94596-5368 Attention:

Mr. J. B. Martin, Regional Administrator

Subject:

Docket No. 50-206 Special Report San Onofre Nuclear Generating Station, Unit 1 Pursuant to Section 3.14.B.1.a of Appendix A, Technical Specifications to Provisional Operating License DPR-13 for San Onofre Unit 1, this subraittal provides the required Special Report for inoperable fire suppression equipment.

-On March-21, 1986, with Unit 1 in a refueling outage, a portion of the Unit 1 fire main was removed from service for modification of the Fire Water System to include installation of a fire suppression system in the charging pump room to meet 10 CFR 50.48, Appendix R requirements. This work required Post Indicating Valves D and N be closed, which isole.ted the water supply to Fire Hose Stations 18, 19, 20, and 21.

In accordance with Technical Specification 3.14, the requitad compensatory hoses and firewatches were established in all affected areas and will be maintained until the planned work is completed and the Fire Water System returned to service. This portion of the fire main is expected to be returned to service by May, 1986.

If there are any questions regarding the above, please contact me.

Sincerely,

-QFYr1 g cc:

F. R. Huey (USNRC Senior Resident Inspector, Units 1, 2 and 3)

U.S. Nuclear Regulatory Commission Document Control Desk Institute of Nuclear Power Operations (INPO) 8604290150 860418 ~

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