ML18085B005

LER 81-018/03L-0:on 810214,cooling Water Leak Found on Diesel Generator 1A.Caused by Cracked Nipple Connecting Jacket Water Valve 1DA45A & Jacket Water Pipe.Nipple Replaced

ML18085B005
Person / Time
Site:	Salem
Issue date:	02/27/1981
From:	Steele W Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085B004	List: ML18085B003 ML18085B005
References
LER-81-018-03L, LER-81-18-3L, NUDOCS 8103090556
Download: ML18085B005 (3)

Text

• • • -***

(>~ PS~G e Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 February 27, 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-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-18/03L 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 81-18/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours, R. A. Uderitz General Manager -

Nuclear Production CC: Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control (3 copies)

J tllrl\0809 ©l ?~~

The Energy Peopie

Report Number:

Report Date:

Occurrence Date:

81-18/03L February 27, 1981 2/14/81 Facility: Salem Generating Station, Unit 1 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Diesel Generator Inoperative (lA)

Cooling Water Leak CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 100% - Unit Load 1130 MW.

DESCRIPTION OF OCCURRENCE:

During normal operation on February 14, 1981, Diesel Generator lA was declared inoperable because of a cooling water leak. Action Statement 3.8.1.1.a was entered at 2233 hours0.0258 days <br />0.62 hours <br />0.00369 weeks <br />8.496565e-4 months <br />. The Action Statement requires that the inoperable diesel be restored 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 standby within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in cold shutdown within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

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

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment Failure - The nipple connecting Jacket Water Valve 1DA45A and the Jacket Water Pipe was cracked and leaking.

ANALYSIS OF OCCURRENCE:

No explanation can be found for the nipple's cracking.

CORRECTIVE ACTION:

The nipple was replaced in kind. The Action Statement was terminated at 2137 hours0.0247 days <br />0.594 hours <br />0.00353 weeks <br />8.131285e-4 months <br /> on February 15, 1981.

FAILURE DATA:

3/8'1 nipple, 1-1/2" long Prepared By W. J. Steele SORC Meeting No. 81-12

~

NRC FORM 366

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~IN CONTROL BLOCK:

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• LICENSEE EVENT REPORT 10 6

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_U.S. NUCLEAR REGULATORY COMMISSION IPLEASE PRINT OR TY ..E ALL REQUIRED INFORMATION)

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rm I During normal operation on 2/14/81, Diesel Gene'rator lA was declared inoperable

~ I because of a cooling water leak. Action Statement 3.8.1.1.a was entered at 2233 hours0.0258 days <br />0.62 hours <br />0.00369 weeks <br />8.496565e-4 months <br />. Similar occurrences: 76~12, 77-59, 77-77, 77-80, 80-02, 80-22, 80-60 B0-31 arrl 81-02.

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[I))] I The nipple connecting Jacket Water Valve 1DA45A and the Jacket Water Pipe was cracked and leaking. The nipple was replaced in kind. The Action Statement was terminated at 2137 hours0.0247 days <br />0.594 hours <br />0.00353 weeks <br />8.131285e-4 months <br /> on 2/15/81.

ITITl 7 8 9 80 FACILITY STATUS ,.POWER OTHERSTATUS \.;:::/

IJQ\ METHOOOF DISCOVERY DISCOVERY DESCRIPTION ~

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