05000272/LER-1982-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl

Forwards LER 82-048/03L-0.Detailed Event Analysis Encl

ML20063F618
Person / Time
Site:	Salem
Issue date:	08/12/1982
From:	Midura H Public Service Enterprise Group
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20063F621	List: 05000272/LER-1982-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl
References
NUDOCS 8208310285
Download: ML20063F618 (3)

LER-2082-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
2722082048R00 - NRC Website

text

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? PSIEG Pobhc Serwce Electnc and Gas Cornpany P.O. Box E Hancocks Bridge, New Jersey 08038 Salem Generating Station August 12, 1982 Mr. R. C. Haynes l

Regional Administrator USNRC Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Haynes:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 82-048/03L Pursuant to the requirements of Salem Generating Station Unit No. 1, Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 82-048/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours, l

)-h e b*J H. J. Midura General Manager -

Salem Operations RH:ks [

CC: Distribution 8208310285 820812 PDR S ADOCK 05000272 PDR The Energy People f

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Report Number: 82-048/03L Report Date: 08-12-82 Occurrence Date: 07-24-82 Facility: Salem Generating Station, Unit 1 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Containment Air Lock - 100 ' Elevation - Inoperable.

This report is initiated by Incident Report 82-192.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 100% - Unit Load 1080 MWe, DESCRIPTION OF OCCURRENCE:

On July 24, 1982 at 0520 hours0.00602 days <br />0.144 hours <br />8.597884e-4 weeks <br />1.9786e-4 months <br />, during performance of Surveillance Procedure SP (O) 4. 6.1. 3a on the 100 ' Elevation Containment Air Lock, the operator discovered that the inner door seal leakage was greater than the maximum allowed by the Technical Specifications.

The air lock was declared inoperable, and at 0530 hours0.00613 days <br />0.147 hours <br />8.763227e-4 weeks <br />2.01665e-4 months <br />, Technical Specification Action Statement 3.6.1.3a was entered. The outer door was operable and was maintained closed to provide containment integrity.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The seal was damaged by personnel closing the door with excessive force. Part of the rubber seal was forced out of the retaining groove and the next door closure cut the seal.

ANALYSIS OF OCCURRENCE:

The containment air lock doors allow for personnel access to the Containment Building while providing a redundant boundary as part of overall containment integrity. This barrier prevents the release of radioactive contamination to the environment in the event of a design basis accident. Since the outer door was maintained closed, providing containment integrity, no risk to the health and safety of the public was involved. Therefore, this event constituted operation in a degraded mode permitted by a limiting condition for operation, and is reportable in accordance with Technical Specification 6.9.1.9.b.

, LER 82-048/03L ANALYSIS OF OCCURRENCE: (continued)

Action Statement 3.6.1.3 requires:

With one containment air lock door inoperable, maintain at least the operable air lock door closed, and restore the inoperable door to operable status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, 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 ACTION:

As noted, the outer door was operable and maintained closed, in compliance with the action statement. The seal was replaced and the leak rate surveillance was completed satisfactorily.

At 1413 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.376465e-4 months <br />, July 24, 1982, the air lock,was declared operable and Action Statement 3.6.1.3 was terminated.

Proper operation of the air lock doors is presently addressed in radiation worker training. In view of recurrent problems with air lock seals, special emphasis will be placed on the importance of slowly closing the doors. Caution signs, reminding personnel to operate the door slowly, have been placed at each operating station.

FAILURE DATA:

Not Applicable.

Prepared By R. Heller / b/ 'W General Manager -

Salem Operations SORC Meeting No. 82-75 l

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