ML20212P778

Followup Ro:Listed fire-rated Assemblies Found Inoperable During Routine Surveillances in Jul 1986.Compensatory Fire Watches Established & Door Mechanism Failures Being Corrected

ML20212P778
Person / Time
Site:	San Onofre
Issue date:	08/15/1986
From:	Morgan H SOUTHERN CALIFORNIA EDISON CO.
To:	Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
NUDOCS 8609030269
Download: ML20212P778 (5)

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C Southem Califomia Edison Company Qg N/g/

SAN ONOFRE NUCLEAR GENERATING STATION p P. O. BOX 128 -

SAN CLEMENTE, CALIFORNIA 92672 H.E.MOPGAN TE'E"O"E

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August 15, 1986 U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region V 1450 Maria Lane, Suite 210 Walnut Creek, California 94596-5368 Attention: Mr. .J. B. Martin, Regional Administrator

Subject:

Docket Nos. 50-361 and 50-362 Follow-up Report, Inoperable Fire Doors - July 1986 San Onofre Nuclear Generating Station, Units 2 and 3

Reference:

Letter, H. E. Morgan (SCE) to J. B. Martin (NRC),

dated July 14, 1986 In accordance with our referenced letter, this submittal provides the follow-up report of-fire-rated assemblies (spacifically fire doors) found inoperable during routine surveillances in July 1986.

Fire doors found inoperat-'.e during the July routine surveillances are identified in the Attachrtents and include: 13 latching mechanism failures, 7 closure mechanism failures, and 1 door blocked open typically for construction and maintenance activities. As each of these deficiencies was identified, compensatory fire watches, pursuant to Technical Specification 3.7.9, Action Statement 'a', were established. Door mechanism failures are being corrected on an "as found" basis.

The responsible party was not identified for the 1 door found blocked open.

8609030269 860915 PDR ADOCK 05000361 S PDR 1

Mr. J. B. Martin This monthly follow-up report and those tent previously provide updated information associr:ted with an ongoing condition initially reported in 1983.

The follow-up report covering inoperable fire doors identified in August 1986 will be submitted by September 15, 1986.

If you require any additional information, please so advise.

Sincerely, kh ~

Enclosure:

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) 1 i

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ATTACHMENT SOUTHERN CALIFORNIA EDISON COMPANY INOPERABLE FIRE DOCRS FOR THE MONTH OF JULY 1986

' SAN ONOFRE NUCLEAR GENERATING STATION UNITS 2 AND 3, DOCKET NOS. 50-361 and 50-362

' I. Latching Mechanism Failures:

Number of doors inoperable - 13, as follows:

Door Number Inoperable Operable AR-305 02/22/86 - - -

AR-416 .03/06/86 - - -

AC-442 04/03/86 - - -

FH3-103 05/27/86 07/07/86 DG3-104 06/18/86 07/06/86 AC-213 06/18/86 07/04/86 AR-301 06/21/86 07/22/86 AC-213 07/10/86 - - -

DG3-101 07/01/86 07/06/86 AC-239 07/07/86 07/13/86 AC-223 07/15/86 07/27/86 AC-455 07/20/86 07/21/86 AC-459 07/31/86 - - -

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AlTACHMENT SOUTHERN CALIFORNIA EDISON COMPANY INOPERABLE FIRE DOORS FOR THE MONTH OF JULY 1986 SAN ON0FRE NUCLEAR GENERATING STATION UNITS 2 AND 3, DOCKET NOS. 50-361 and 50-362 (Continued)

II. Closure Mechanism Failures:

Number of doors inoperable - 7, as follows:

Door Number Inoperable Operable AC-a17 06/18/86 07/13/86 AC-442 06/25/86 07/31/86 AR-305 07/01/86 07/22/86 AC-455 07/12/86 07/13/86 FH3-404 07/13/86 07/19/86 AR-502 07/13/86 07/16/86 AC-349 07/13/86 07/22/86 2

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ATTACHMENT

. SOUTHERN CALIFORNIA EDISON COMPANY

' INOPERABLE FIRE DOORS FOR THE MONTH OF JULY 1986 SAN ONOFRE NUCLEAR GENERATING STATION-UNITS 2 AND 3, DOCKET NOS. 50-361 and 50-362 (Continued) ,

III. Doors Blocked Open:

Number of doors blocked open - 1 as follows:

Door Number Date Found Blocked Open*

AC-455 07/17/86 f

• (fire watches established within one hour) 4 4

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