ML20038B549

Forwards LER 81-113/03L-0.Detailed Event Analysis Encl

ML20038B549
Person / Time
Site:	Salem
Issue date:	11/25/1981
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20038B550	List: ML20038B549 ML20038B571
References
NUDOCS 8112080390
Download: ML20038B549 (3)

Text

. .. . O PSEG Public Service Electric and Gas Company P.O. Box 168 Hancocks Bridge, New Jersey 08038 Salem Generating Station November 25, 1981 Mr. R. C. Haynes Director of USNRC Office of Inspection and Enforcement

-Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406 J

Dear Mr. Haynes:

LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 81-ll3/03L 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 81-113/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours,

/ ,

H. J. Midura General Manager -

Salem Operations

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Report Number: 81-113/03L Report'Date: 11-25-81 Occurrence Date: 10-28-81 Facility: . Salem Generating Station, Unit 2 Public-Service Electric & Gas Company.

Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE: -

Containment Spray Additive Tank - High. Level.

This report was initiated by Incident Report 81-429.

CONDITIONS PRIOR TO OCCURRENCE: {

Mode 1 - Rx Power 99% - Unit Load 1160 MWe DESCRIPTION OF OCCURRENCE:

On October 28, 1981, at 0855 hours0.0099 days <br />0.238 hours <br />0.00141 weeks <br />3.253275e-4 months <br /> it-was noticed that the control console log reading for the Containment Spray Additive Tank level had been out of specification since 0001 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

The Spray Additive Tank was declared inoperable and Action Statement 3.6.2.2 was entered at 0855 hours0.0099 days <br />0.238 hours <br />0.00141 weeks <br />3.253275e-4 months <br />.

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

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The cause of the high level was that during the filling of the Containment Spray Additive Tank, it was' filled to the.

upper limit of 4000 gallons, and minor fluctuations in the level transmitter caused the level reading to exceed specification limits.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.6.2.2 requires:

With the Spray Additive System inoperable, restore the system 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 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 />; restore the Spray Additive System to operable status within the next 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be 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 />.

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-- LER 81-ll3/03L CORRECTIVE ACTION:

The tank was drained below the maximum level.and the. system was declared operable. Action Statement 3.6.2.2 was terminated at 1848 hours0.0214 days <br />0.513 hours <br />0.00306 weeks <br />7.03164e-4 months <br />, October 29, 1901. When the tank is filled in the future, it will not be filled to maximum.

The Control Operator was counseled for failure to detect that the tank level was out of specifications.

FAILURE DATA:

Not Applicable Prepared By' K. Whitcomb / LW General Manager.-

Salem Operations SORC Meeting No.81-121 i

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