05000325/LER-1986-001, :on 860102,reactor Bldg Fire Hose Stations Rendered Inoperable.Caused by Downstream Isolation Valve of Hose Stations Supply Deluge Valve Being Shut to Isolate Gasket Leak.Mechanical Jumper Installed

:on 860102,reactor Bldg Fire Hose Stations Rendered Inoperable.Caused by Downstream Isolation Valve of Hose Stations Supply Deluge Valve Being Shut to Isolate Gasket Leak.Mechanical Jumper Installed

ML20151S074
Person / Time
Site:	Brunswick
Issue date:	01/31/1986
From:	Dietz C, Pastva M CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF ADMINISTRATION (ADM)
References
BSEP-86-0076, BSEP-86-76, LER-86-001, LER-86-1, NUDOCS 8602060415
Download: ML20151S074 (2)

LER-1986-001, on 860102,reactor Bldg Fire Hose Stations Rendered Inoperable.Caused by Downstream Isolation Valve of Hose Stations Supply Deluge Valve Being Shut to Isolate Gasket Leak.Mechanical Jumper Installed

Event date:
Report date:
3251986001R00 - NRC Website

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DocutET NUMGER (21 PAGE+3h Brunswick Steam Electric Plant Unit 1 0 [S l 0 l0 l 0 l3 l 2l5 1 lOFl0 l l title tel Isolation of Reactor Building Fire Hose Stations EVENT DATE 153 LER NUMSER 161 R EPORT DATE (7)

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On 01/02/86, at 2100, the Unit 1 Reactor Building fire hose stations were rendered inoperable when 1-FP-V322, downstream isolation valve of the hose stations' supply deluge valve, 1-FP-DV-319, was shut to isolate a gasket leak of approximately five gpm at the latch arm trip mechanism of DV-319.

Technical Specifications (T/S) required action, to establish within one hour:

(1) an alternate means of fire suppression for the unprotected areas or (2) additional equivalent capacity fire hose to the unprotected areas from an operable fire hose station, was not met until 01/03/86, at 1430. The leakage of DV-319 was discovered and reported to the Unit 1 Control Operator by a Reactor Building fire watch person. Throughout the event Unit I was at 1007..

A mechanical jumper (a length of 23" diameter fire hose) was installed to provide an alternate source of fire suppression to the downstream piping of 1-FP-V322.

The T/S required action time frame was not met because procedures did not provide for timely installation of an alternate source of fire suppression supply to the fire hose stations.

DV-319, Automatic Sprinkler Corp. Model No. C, was appropriately repaired and returned to service on 01/04/86, at 1330. Procedures to minimize the time for installation of required alternate fire suppression capability will be developed and implemented.

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Brunswick Steam Electric Plant P. O. Box 10429 Southport, NC 28461-0429 January 31, 1986 FILE: B09-13510C SERIAL: BSEP/86-0076 NRC Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555 BRUNSWICK STEAM ELECTRIC PLANT UNIT 1 DOCKET NO. 50-325 LICENSE NO. DPR-71 LICENSEE EVENT REPORT 1-86-001 Gentlemen:

In accordance with Title 10 to the Code of Federal Regulations, the enclosed Licensee Event Report is submitted. This report fulfills the requirement for a written report within thirty (30) days of a reportable occurrence and is in accordance with the format set forth in NUREG-1022, September 1983.

Very truly yours, iy C. R. Dietz, General Manager Brunswick Steam Electric Plant MJP/mbh Enclosure cc:

Dr. J. N. Grace 4

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