05000272/LER-1980-061, Forwards LER 80-061/01T-0

Forwards LER 80-061/01T-0

ML18085A357
Person / Time
Site:	Salem
Issue date:	12/05/1980
From:	Librizzi F Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085A358	List: 05000272/LER-1980-061, Forwards LER 80-061/01T-0 05000272/LER-1980-061-01, /01T-0:on 801123,w/fire Pump 1 Out of Svc,Fire Pump 2 Failed to Run Over 90-s.Caused by Failed Alternator. Alternator Replaced
References
NUDOCS 8012110403
Download: ML18085A357 (3)

LER-1980-061, Forwards LER 80-061/01T-0

Event date:
Report date:
2721980061R00 - NRC Website

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Public Service Electric and Gas Company 80 Park Place Newark. N.J. 07101 Phone 201 430-7000 Mr

• Boyce H. Grier.

Director of USNRC December 5, 1980 Off ice of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 80-61/0lT Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 80-61/0lT.

This report is required within fourteen (14) days of the occurrence.

CC:

Director, Office and Enforcement Director, Office Information and (3,copies) 1679.S79 Sincerely yours, F. P. Librizzi General Manager -

Electric Production.;-.~

of Inspection (40 copies) of Management Program Control

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REPORT NUMBER:

80-61/0lT Report Date:

December 5, 1980 Occ~rrence DAte:

11/23/80 Facility:

Salem Generating Station, Unit 1 Public Service Electric and Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Both Fire Suppression Water Systems Inoperable.

CONDITIONS PRIOR TO OCCURRENCE:

Unit Nos. 1 and 2 -

Mode 5 -

Cold Shutdown No. 1 Fire Pump was inoperable since 0530 hours0.00613 days <br />0.147 hours <br />8.763227e-4 weeks <br />2.01665e-4 months <br />, October 12, 1980.

No. 2 Fire Pump was operable on the fire suppression header and backup fire suppression system was supplied from Hope Creek site by opening 1FP30.

DESCRIPTION OF OCCURRENCE:

During flushing of the fire suppression header, the header pressure dropped below the starting pressure for the No. 2 Fire Suppression Pump and the pump started but was automatically shutdown after a 90 second run.

This was observed twice and Action Statement 3.7.10.lb was entered at 1415 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.384075e-4 months <br /> on October 23, 1980.

The alternator was found to have failed and was replaced.

The fire pump was auto started and run for fifteen minutes.

The No. 2 Fire Pump was declared operable and the Action Statement was terminated at 0230 hours0.00266 days <br />0.0639 hours <br />3.80291e-4 weeks <br />8.7515e-5 months <br /> on December 4, 1980.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment Failure ANALYSIS OF OCCURRENCE:

The alternator output is used to supply a successful auto start signal.

The failure of the alternator resulted in an auto shutdown after a 90 second time delay.

CORRECTIVE ACTION

The alternator was removed and replaced.

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LER 80-61/0lT FAILURE DATA:

Alternator Make:

Delco-Remy Model 2J29-24 Volt Negative Prepared by J. c. Osuch

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SORC Meeting No. 101-80 December 5, 1980

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