05000311/LER-1981-054, Forwards LER 81-054/03L-0.Detailed Event Analysis Encl

Forwards LER 81-054/03L-0.Detailed Event Analysis Encl

ML20010A396
Person / Time
Site:	Salem
Issue date:	07/31/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010A397	List: 05000311/LER-1981-054, Forwards LER 81-054/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-054-03, /03L-0:on 810702,svc Water Flow Rate of Containment Fan Coil Unit 21 Was Observed Lower than Required.Caused by Incorrectly Adjusted Setpoint.Setpoint Readjusted
References
NUDOCS 8108110391
Download: ML20010A396 (3)

LER-1981-054, Forwards LER 81-054/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3111981054R00 - NRC Website

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O PSEG Public Service Electric and Gas Company 80 Park Peaza Newark, N.J. 07101 Phone 201/430-7000 July 31, 1981 Mr. Boyce H.

Grier

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Director of USNRC p

Office of Inspection and Enforcement Region 1

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631 Park Avenue U

King of Prussia, Pennsylvania 19406 g"

AUG 1019816 i

Dear Mr. Grier:

v.s. mc.uAn nommass cc m ssum LICENSE NO. DPR-75

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DOCKET NO. 50-311 4

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REPORTABLE OCCURRENCE 81-54/03L co Pursuant to the requirements of Salem Generating Station Unit No. 2 Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 81-54/03L.

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

Sincernly yours,

/

{

R. A.

Uderi z General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Informatice and Program Control I

(3 copies)

I I 8108110391 810731 PDR ADOCK 05000311 S

PDR' The Energy People 95 20011400M) 181

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Report Number:

81-54/03L Report Date:

July 31, 1981 Occurrence Date:

7-2-81

,%cility:

Salem Generating Station, Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Low Service Water Flow On No. 21 Containment Fan Coil Unit.

This reporc was initiated by Incident Report 31-230.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 30% - Unit Load 240 MWe DESCRIPTION OF OCCURRENCE:

On July 2, 1981, the control operator placed No. 21 containment fan coil unit (CFCU) in service.

He noticed the service water flow rate was approximately 2100 gallons per minute, which is less than the required flow rate of 2500 gallons per minute.

No. 21 CFCU was declared inoperable, and action statement 3.6.2.3.a was entered at 1710 hours0.0198 days <br />0.475 hours <br />0.00283 weeks <br />6.50655e-4 months <br /> on July 2, 1981.

This cccurrence constituted operation in a degraded mode in accord-ance with technical specification 6.9.1.9.b.

e DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The setpoint on No. 21 CFCU setpoint generator 2FA-3160C-3 was incorrectly adjusted.

i l-ANALYSIS OF OCCURRENCE:

i Technical specification 3.6.2.3.a requires:

With one group of containment cooling fans inoperable and t

both Containment Spray Systems operable, restore the inop-l erable group of cooling fans to operable status within 7 days 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 wi+.hin the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

CORRECTIVE ACTION

i Th( CFCU setpoint generator 2FA-3160C-3 was readjusted to an 85%

setting.- No. 21 CFCU was tested satisfactorily and returned to service.

Action statement 3.6.2.3.a was terminated at 2010 hours0.0233 days <br />0.558 hours <br />0.00332 weeks <br />7.64805e-4 months <br /> on July 2, 1981.

$ER 81-54/03L 7/31/81 FAILURE DATA:

i Fischer and Porter Co.

Setpoint Generator Series 53 EG 3000 Prepared By' F.

Dickey I

'l^)2:--

ManMJer - Salem Generating Station SORC Meeting No.

81-69 l

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