ML20055B518
| ML20055B518 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 07/13/1982 |
| From: | Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 8207220448 | |
| Download: ML20055B518 (1) | |
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- ,p uw ).a ) CBLGTVLT H EO a f h ATQw!c yggp yg TT R. D.1. Box tot DELTA.PENMSYl,VANIA 17318 July.13f1982 Mr. R. C. Haynes 4v" Administrator O.S. Nuclear Regulafory Cocmission -
-Region I 631 Park Avenue King of Prussia, PA 19406
SUBJECT:
UNIQUE REPORTING REQUIRDENTS SEISMIC MONITORING INSTRUMENTATION INOPERAB'J FOR MORE THAN 30 DAYS
Reference:
Technical Specification 3.15 B and 6.9.3
Dear Mr. Haynes:
In accordance with the. subject Technical Specification reporting requirements, this is to advise you that the triaxial accelerometer device installed in the Unit 2 RCIC pump room has been inoperable since June 4, 1982.
Apparent Cause:
' ie triaxial accelerometer in the RCIC room was damaged by Tl a buildup of water in the accelerometer housing shorting.the detectors and power supply. Attempts made to repair the traixial accelerometer were unsuccessful.
The source of water is believed to have been a flood in the BCIC room that occurred prior to the date 'of inoperability.
Corrective Action:
,3 Three of four triaxial accelerometers remain operable..These are located on the Unit 2 containment foundation,. Unit,2 r,efueling floor, and the E-3 emergency diesel generator roon' -;
1.
A replacer.ent detector for the RCIC room is expected from the manufacturer within a month.
Installation and return to service is' expected by August 31, 1982.
Very truly yours, C
^
W. T. Ullrich
{$S7$$$8 !Eo[g Station Superintendent f7) 7 o
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