05000272/LER-1982-011, Forwards LER 82-011/03X-1.Detailed Event Analysis Encl

Forwards LER 82-011/03X-1.Detailed Event Analysis Encl

ML20054D147
Person / Time
Site:	Salem
Issue date:	04/01/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20054D148	List: 05000272/LER-1982-011, Forwards LER 82-011/03X-1.Detailed Event Analysis Encl
References
NUDOCS 8204220384
Download: ML20054D147 (3)

LER-2082-011, Forwards LER 82-011/03X-1.Detailed Event Analysis Encl

Event date:
Report date:
2722082011R00 - NRC Website

text

r a

O PSEG Public Service Electric and Gas Company P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Generating Station April 1, 1982 s

a  %

S Mr. R. C. Haynes RECEWED.

Regional Administrator p; APR 211982* h USNRC

""h" g m //

Region 1 - shWmW E 631 Park Avenue q, 18C King of Prussia, Pennsylvania 19406 i

'b ~

Dear Mr. Haynes LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 82-11/03X-1 SUPPLEMENTAL REPORT Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1.9.b, we are submitting supplemental Licensee Event Report for Reportable Occurrence 82-ll/03X-1.

Sincerely yours, l bVf b &

H. J. Midura General Manager -

Salem Operations FD:ks CC: Distribution I

I 8204220384 820401  ;

PDR ADOCK 05000272 l S PDR g$ l The Energy People (1 )

95 218917CM) 1 81 Q - - . - - - _ _ _ _

' Report Number: 82-ll/03X-1 Report Date: 04-01-82 Occurrence Date: 02-15-82 Facility: Salem Generuting Station, Unit 1 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Fire Detection Instrumentation - Inoperable.

This report was initiated by Incident Report 82-034.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 6 - Rx Power 0% - Unit Load 0 MWe DESCRIPTION OF OCCURRENCE:

At 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br />, February 15, 1982, the Control Operator noticed that the fire alarm for the 84' Elevation, Charging Pump Area had annun-ciated on the 1RP5 Fire Zone Alarm panel, but the coded audible alarm did not sound. The fire alarm was declared inoperable and Action Statement 3.3.3.6 was entered.

This occurrence constituted operation in a degraded mode in accordance with Technical Specification 6.9.1.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

A fire alarm relay was not seated firmly in it's socket.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.3.3.6 requires: With the number of operable fire detection instruments less than required by Table 3.3-10:

Within one hour establish a fire watch patrol to inspect the zone (s) with the operable instrument (s) at least once per hour, and restore the inoperable instrument (s) to operable status within 14 days, or in lieu of any other report required by Specification 6.9.1, prepare and submit a special report to the commission pursuant to Specification 6.9.2 within the next 30 days.

. i

F LER 82-ll/03X-1 .

CORRECTIVE ACTION:

An operator was immediately stationed at the 1RP5 panel to monitor.any incoming alarms.

The control circuit relay from the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> timer in the Miscellaneous Signal Cabinet was sticking. The audio / test switch on the timer was cycled, the relay cleared, and the coded audible alarm functioned properly. At 1420 hours0.0164 days <br />0.394 hours <br />0.00235 weeks <br />5.4031e-4 months <br />, February 15, 1982 Action Statement 3.3.3.6 was terminated.

On February 22, 1982 the audible alarm signal did not actuate during a fire alarm test. A1 fire alarm relay was not seated firmly in it's socket. The relay was firmly seated and the fire alarm audible signal was tested satisfactorily.

FAILURE DATA:

Struthers Dunn, Inc.

Relay 219XDXP 33 24-28 Volt D.C.

Prepared By_ F. Dickey .

Generdl M6 nager -

Salem Operations-

, SORC Meeting No. 32-27

-_