ML18086A317

Forwards LER 81-004/04T-0.Detailed Event Analysis Encl

ML18086A317
Person / Time
Site:	Salem
Issue date:	04/21/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A319	List: ML18086A317 ML18086A322
References
NUDOCS 8104280651
Download: ML18086A317 (3)

Text

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Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 April 21, 1981 Mr. Boyce H. Grier Director of USNRC Office of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 81-04/0lT 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 81-04/0lT. This r~port is required within fourteen (14) days of the occurrence.

Sincerely yours,

/(14~,lw-~y R. A. Uderitz General Manager -

Nuclear Production CC: Director, Office of Inspection ~

and Enforcement (40 copies) ~

D:i.rector, Office of Management Information and Program Control (3 copies)

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() PS~G Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 April 21, 1981 Mr. Boyce H. Grier Director of USNRC Off ice of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 81-04/0lT Pursuant to the requiremeats of Salem ~enerating Station Unit No. 1 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 81-04/0lT. This report is required within fourteen (14) days of the occurrence.

Sincerely yours,

~41/k~1' R. A. Uderitz General Manager -

Nuclear Production CC: Director, Office of Inspection and Enforcement (40 copies}

Director, Office of Management Information and Program Control

( 3 copies}

Tri;;: Er*~rgy Peop!e I

L_ 95*2001 i350Mi 4*80

Report Number: 81-04/0lT Report Date: April 21, 1981 Occurrence Date: 4/07/81 Facility: Salem Generating Station, Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Service Water Leak in Containment CONDITIONS PRIOR TO OCCURRENCE:

Mode 5 - Rx Power 0% - Unit Load 0 MW DESCRIPTION OF OCCURRENCE:

While performing routine shift rounds at 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br /> on April 7, 1981, an Equipment Operator discovered a Service Water leak emanating from the No. *24 Containment Fan Cooling Unit. In accordance with NRC IE Bulletin 80-24, the NRC was notified by telephone at 0630 hours0.00729 days <br />0.175 hours <br />0.00104 weeks <br />2.39715e-4 months <br /> with written confirmation transm~tted later in the day.

• Investigation by maintenance personnel revealed that a vent valve (24SW63) on the Fan C~oling Unit was not fully closed. The valve was closed and the leak stopped at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />.

This occurrence constituted a degradation of a containment boundary in accordance with Technical Specification 6.9.1.8.c.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Personnel Error ANALYSIS OF OCCURRENCE:

No explanation for the valve not being fully closed can be found.

CORRECTIVE ACTION:

The leak was stopped by closing the valve.

FAILURE DATA:

Not Applicable Prepared By ~~w~.__;;J~*~*s_t_e_e_l_e"'-~

Manager - Salem Generating Station SORC Meeting No. 81-30