05000272/LER-1981-094, Forwards LER 81-094/01T-0.Detailed Event Analysis Encl

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Forwards LER 81-094/01T-0.Detailed Event Analysis Encl
ML20032E908
Person / Time
Site: Salem PSEG icon.png
Issue date: 11/10/1981
From: Midura H
Public Service Enterprise Group
To: Haynes R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20032E909 List:
References
NUDOCS 8111230489
Download: ML20032E908 (3)
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LER-1981-094, Forwards LER 81-094/01T-0.Detailed Event Analysis Encl
Event date:
Report date:
2721981094R00 - NRC Website
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text

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O PSEG Pubi;c Service Electric and Gas Company P.O. Box 168 Hancocks Bridge, New Jersey 08038 Salem Generating Station November 10, 1981 N

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Mr.

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Haynes

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NOV2 019815 3 Oftice of Inspection and Enforcement y,3, m erswou Region 1 W""

631 Park Avenue b-Y King of Prussia, Pennsylvania 19406 YA-j w

Dear Mr. Haynes:

LICENSE NO. DPR 70 DOCKET NO, 50-272 REPORTABLE OCCURRENCE 81-94/0lT Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1.9.b, we ar? submitting Licensee Event Report for Reportable Occuliance 81-94/0lT.

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

Sincerely yours,

,If N t ) <i b o L ~

H.

J.

Midura General Manager -

Salem Operations CC.

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,t Report Number:

81-94/OlT Report Date:

11-10-81 Occurre.nce Date.

10-28 81 Facility:

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

Containment Fan Coil Unit - Service Water Leak.

This report was initiated by Incident Reports81-427 and 81-428.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 98% - Unit Load 1040 MWe DESCRIPTION OF OCCURRENCE:

On October 28, 1981, while performing OI II 1.3.5, Reactor Coolant Leak Detection, it was determined that there was approximately 1.5 GPM Unidentified leakage.

Technical Specification 3.4.6.2.b specifies a limit of 1 GPM.

At 0415 hours0.0048 days <br />0.115 hours <br />6.861772e-4 weeks <br />1.579075e-4 months <br />, Action Statement 3.4.6.2.b was entered.

At 0630 hours0.00729 days <br />0.175 hours <br />0.00104 weeks <br />2.39715e-4 months <br /> an inspection revealed service water leakage from the fifth and sixth primary coils of No. 14 Containment Fan Coil Unit (CFCU) at a rate of 0.8 GPM.

At 0630 hours0.00729 days <br />0.175 hours <br />0.00104 weeks <br />2.39715e-4 months <br /> No. 14 CFCU was declared inoperable and Action Statement 3.6.2.3.a was entered.

Action Statement 3.4.6.2.b was terminated.

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

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment failure.

The service water leak was due to leaks in the fifth and sixth primary coils on No. 14 CFCU.

LER 81/94/0lT.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.4.6.2.b requiress With any Reactor Coolant System leakage greater than any one of the limits, reduce the leakage rate to within limits within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or be in at least 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 />.

Technical Specification 3.6.2.3.a requires; With one group of Containment Cooling Fans inoperable and both Containment Spray Systems operable, restore the inoperable group of fans to operable status within 7 days 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 />.

CORRECTIVE ACT:ON:

The leaks in the fifth and sixth primary coils on No. 14 CFCU were satisfactorily repaired with Belzona Metal Filler.

The CFCU was tested satisfactorily and returned to service.

At 0648 hours0.0075 days <br />0.18 hours <br />0.00107 weeks <br />2.46564e-4 months <br />, October 30, 1981, No. 14 CFCU was declared operable and Action Statement 3.6.2.3.a was terminated.

This cooler will be replaced during a future outage; however, no supplementary report will be issued.

FAILURE DATA:

Westinghouse Coil Cooler Spin No. RCMECF p g %fdw Prepared By F.

Dickey General Manager -

Salem Operations SORC Meeting No.81-117

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