05000272/LER-1980-024, Forwards LER 80-024/03L-0

Forwards LER 80-024/03L-0

ML18082A471
Person / Time
Site:	Salem
Issue date:	05/20/1980
From:	Librizzi F Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18082A472	List: 05000272/LER-1980-024, Forwards LER 80-024/03L-0 05000272/LER-1980-024-03, /03L-0:on 800425,during Normal Operation,Svc Water Flow to Number 12 Containment Fan Coil Unit Decreased to Zero.Caused by Failure of Solenoid Valve SV-624.Action Statement 3.6.2.3. Entered & Valve Replaced
References
NUDOCS 8005270447
Download: ML18082A471 (2)

LER-1980-024, Forwards LER 80-024/03L-0

Event date:
Report date:
2721980024R00 - NRC Website

text

Public Service Electric and Gas Company 80 Park Place Newark. N.J 07101 Phone 201 430-7000 Mr. Boyce H. Grier Director of USNRC Off ice of Inspection and E~forcement Region 1 631 Park Avenue May 20, 1980 King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 80-24/03L 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 80-24/03L.

This report is required within thirty (30) days of the occurrence.

Sincerely yours,

~ 1. tt-1.../~

.-y; F. P. Libriz i General Manager -

Electric Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control

( 3 copies)

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'i._1 Report-. Number:

Report Date:

Occurrence Date: -

80-24/03L 5/20/BO 4/25/8.0 Facility:

Salem Generating Station Public Service Electric & Gas Company Hancock's Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

No. 12 Containment Fan Coil Unit Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Unit 1 was operating at 100% reactor power with an electrical load of 1140 MWe gross.

DESCRIPTION OF OCCURRENCE~

No. 12 Fan Coil Unit was in service when service water flow through the unit decreased to zero.

Technical Specification Action Statement 3.6.2.3 was entered at 0450 hours0.00521 days <br />0.125 hours <br />7.440476e-4 weeks <br />1.71225e-4 months <br />.

The Action Statement says three

• independent groups of containment cooling fans shall be operable with two fan systems to each of two groups and one fan system to the third group.

With one group of containment cooling fans inoperable, restore the inoperable fan group to operable status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in hot shutdown within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment failure of solenoid valve SV-624.

ANALYSIS OF OCCURRENCE:

Technical Specifications allow operation in a degraded mode for 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

No. 12 Fan Coil Unit was inoperable for about 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

The Action Statement was terminated at 1645 hours0.019 days <br />0.457 hours <br />0.00272 weeks <br />6.259225e-4 months <br /> on April 25, 1980.

CORRECTIVE ACTION

The solenoid valve was replaced with one from stock.

Surveillance Procedure 4.6.2.3 was performed to prove operability and the Action Statement was terminated at 1645 hours0.019 days <br />0.457 hours <br />0.00272 weeks <br />6.259225e-4 months <br />.

FAILURE DATA:

ASCO Solenoid Valve Type JX 8342A22 125VDC Prepared By E. P. Czuchnicki SORC Meeting No.

32-80 Manager -

Salem Generating Station j