05000311/LER-1980-018, Forwards LER 80-018/03L-0

Forwards LER 80-018/03L-0

ML18082A969
Person / Time
Site:	Salem
Issue date:	08/18/1980
From:	Librizzi F Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18082A970	List: 05000311/LER-1980-018, Forwards LER 80-018/03L-0 05000311/LER-1980-018-03, /03L-0:on 800719,during Routine Operation, Auxiliary Alarm Typewriter Declared Inoperable.Caused by Failure of Integrated Circuit Chip on Memory Board. Air Samples Taken Daily Until Repairs Completed on 800723
References
NUDOCS 8008260465
Download: ML18082A969 (3)

LER-1980-018, Forwards LER 80-018/03L-0

Event date:
Report date:
3111980018R00 - NRC Website

text

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Public Service Electric and Gas Company 80 Park Place Newark. N.J. 07101 Phone 2011430-7000 Mr. Boyce H. Grier Director of USNRC August 18, 1980 Off ice of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 80-~8/03L Pursuant.to the requirements of Salem Generating Station Unit No. 2 Technical -specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 80-18/03L.

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

Sincerely yours,.

11~*

F. P. Librizzi General Manager -

Electric Production CC:

Director, Office of Inspection and Enforcement (30 copies)

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

~~

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W.\\HSOt' sun1n:

8008260 465 95-2001 !200MI 2-78

Report Number:

80-18/03L Report Date:

8/18/80 Occurrence Date:

7/19/80 Facility:

Salem Generating Station, Unit 2 Pu.blic Service Ele:ctric & Gas Company Hancock's Bridge, New Jersey 08038 IDENTIFICATION OF OCCUP.RENCE:

Auxiliary Alarm Typewriter Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Mode 3 Prior to Initial Criticality DESCRIPTION OF OCCURRENCE:

During routine operations, it was determined that the Auxiliary Alarm Typewriter was inoperable and was.declared so at 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br />.

With the Auxiliary Alarm Typewriter inoperable, Action Statement 3.4.6.1.b was entered because the Containment Pump Level Monitoring System was no longer available.

The action required with only two of the three available systems operable is that operation may continue for up to 30 days provided g-rab 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 particu-late 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 />.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment Failure ANALYSIS OF OCCURRENCE:

With the Auxiliary Alarm Typewriter not operating, it is impossible to obtain start and stop times of the Containment S'l.unp Pump and, therefore, the Level Monitoring System was not operable.

CORRECTIVE ACTION

An investigation revealed two problems with the Auxiliary Alarm System.

An integrated circuit chip on the memory board was not operating properly which prevented any alarm with the number 4 not to print out*

and the typewriter carriage was out of adjustment.

The chip was replaced, the*carriage adjusted by a vendor representative and the system was tested satisfactorily.

LER 80-l8/03L 2 -

Containment air samples were taken at least every 24 hou.rs until the system was restored and the Action Statement terminated at 2310 hcurs on July 23, 1980.

FAILURE DATA:

Not Applicable Prepared By M. J. Murphy

. SORC Meeting No.

62-80