05000272/LER-1981-004, Forwards LER 81-004/03L-0

Forwards LER 81-004/03L-0

ML18085A872
Person / Time
Site:	Salem
Issue date:	02/12/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085A874	List: 05000272/LER-1981-004, Forwards LER 81-004/03L-0 05000272/LER-1981-004-03, /03L-0:on 810119,during Daily Surveillance Test on Control Room Emergency Air Conditioning Sys Isolation Dampers,Damper 1CAA3 Failed to Close.Caused by Ice Formation on Louvers.Ice Melted & Damper Returned to Svc
References
NUDOCS 8102250288
Download: ML18085A872 (3)

LER-1981-004, Forwards LER 81-004/03L-0

Event date:
Report date:
2721981004R00 - NRC Website

text

PS~G PuL11\\., 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 Enforcement Region 1 631 Park Avenue February 12, 1981 King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-04/03L 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 81-04/03L.

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

~

Sincerely yours,

/?t2~

R. A. Uderit~

General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management.

Information and Program Control (3 copies) 95-2001 (200M) 2-78

PS~G Public Service Electric and Gas Company 80 Park Place Newark. N.J. 07101 Phone 201 430-7000 Mr. Boyce H. Grier Director of USNRC Office of Inspection and Enforcement Region 1 631 Park Avenue February 12, 1981 King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-04/03L 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 81-04/03L.

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

Sincerely yours,

/{ f/_~f' R. A. Ucferi t,25 General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

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

_t-U~\\HSot*

St:ll\\11'1*:

95-2001 (200MI 2*78

Report Number:

81-04/03L Report Date:

February 12, 1981 Occurrence Date:

1/19/81 Facility:

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

Control Room Emergency Air Conditioning System Failed Damper CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 -

Rx Power 100% - Unit Load 1140 MW DESCRIPTION OF OCCURRENCE:

During normal operation on January 19, 1981, while performing a daily surveillance test on Control Room Emergency Air Conditioning System isolation dampers, damper 1CAA3 failed to close during the test and was declared inoperable.

Action Statement 3.7.6.1.b was entered at 0810 hours0.00938 days <br />0.225 hours <br />0.00134 weeks <br />3.08205e-4 months <br />.

Technical Specifications require that with only one isolation damper in an outside intake duct operable, close the affected duct within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one isolation damper secured in the closed position or be in an 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 />.

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

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Ice had formed on the louvers of the damper preventing their closing.

ANALYSIS OF OCCURRENCE:

The ice formation was the result of unusually cold ambient temperatures.

The damper suffered no damage.

CORRECTIVE ACTION

When maintenance personnel arrived at the damper location, most of the ice had melted.

The damper was tested satisfactorily and declared operable.

The Action Statement was terminated at 1040 hours0.012 days <br />0.289 hours <br />0.00172 weeks <br />3.9572e-4 months <br />, January 19, 1981.

FAILURE DATA:

Not Applicable Prepared By W. J. Steele Manager -

SaLem Generating Station SORC Meeting No.

81-05