05000311/LER-1982-146, Forwards LER 82-146/03L-0.Detailed Event Analysis Encl

Forwards LER 82-146/03L-0.Detailed Event Analysis Encl

ML20070N118
Person / Time
Site:	Salem
Issue date:	12/30/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20070N121	List: 05000311/LER-1982-146, Forwards LER 82-146/03L-0.Detailed Event Analysis Encl
References
NUDOCS 8301250424
Download: ML20070N118 (3)

LER-2082-146, Forwards LER 82-146/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3112082146R00 - NRC Website

text

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' O PSEG Public Service Electric and Gas Company P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Generating Station December 30, 1982 Mr. R. C. Ilaynes Regional Administrator USNRC Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Haynes:

LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 82-146/03L 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 82-146/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours, wy H. J. Midura General Manager -

Salem Operations RF:ks l CC: Distribution i

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8301250424 821230 1 PDR ADOCK 05000311 l S PDR The Energy People W M 2189 (20N') 1181

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, 9 Report Number: 82-146/03L Report Date: 12-29-82 Occurrence Date: 11-30-82 Facility: Salem Generating Station Unit 2 Public Service Electric & Gas Company Hancock's Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Containment Sump Monitoring System - Inoperable.

This report was initiated by Incident Report 82-498.

CONDITIONS PRIOR TO OCCURRENCE:

1 Mode 1 - RX Power 82 % - Unit Load 910 MWe.

DESCRIPTION OF OCCURRENCE:

At 1930 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.34365e-4 months <br />, November 30, 1982, containment Sump Discharge valve 2WLl6 was deactivated in the closed position to comply with Limiting Condition for Operation 3.6.3b. The closing of the valve rendered the Containment Sump Monitoring System inoperable. Therefore Action Statement 3.4.7.1 was entered.

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

APPARENT CAUSE OF OCCURRENCE:

Due to a loss of valve position indication at the control board, Valve 2WLl6 was intentionally failed closed, resulting in isolation of the containment sump pump discharge flowpath.

ANALYSIS OF OCCURRENCE:

The Containment Sump Monitoring System is utilized as a Reactor Coolant System Leakage Detection System to monitor and detect leakage from the Reactor Coolant Pressure Boundary. Since the redundant detection systems were operable, the incident involved no risk to the health and safety of the public.

Technical Specification 3.4.7.1 requires:

With only two of the above required leakage detection systems operable, operation may continue for up to 30 days provided grab samples of the containment atmosphere are obtained and analyzed at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when the required gaseous and/or particulate radioactivity monitoring system is inoperable; otherwise, 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 />.

, LER 82-146/03L CORRECTIVE ACTION:

The valve position limit switch was adjusted, and valve position I indication was regained. Valve 2WLl6 was reopened at 1138 hours0.0132 days <br />0.316 hours <br />0.00188 weeks <br />4.33009e-4 months <br />, November 30, 1982, rendering the Containment Sump Monitoring System operable, and terminating Action Statement 3.4.7.1.

FAILURE DATA: l l

Masonellan International, Inc. l 3-inch Control Valve Model 38-20561 Prepared By P. Dickey ( hA

/ Gener61 Manager -

Salem Operations SORC Meeting No.82-114

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