ML20154P865
| ML20154P865 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 09/30/1988 |
| From: | Beck J TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| CP-88-20, TXX-88687, NUDOCS 8810030208 | |
| Download: ML20154P865 (1) | |
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- TXA-88687 File 8 10110 907.6 Ref. d 10CFR50.55(e) 7UELECTRIC w a m c.coe d September 30, 1988 1.,.
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U. S. fluclear Regulatory Commission Attn Document Control Desk Washington D. C.
20555
SUBJECT:
COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)
DOCKET NOS. 50-445 AND 50-446 HELB DETECTION AND MITIGATION SDAR:
CP-88-20 (SUPPL EMENTAL REPORT)
Gentlemen:
On January 28, 1988, TV Electric notified you via final report logged Txx-88157 of a deficiency involving instrumentation utilized in the detection and mitigation for certain High Energy Line Breaks (HELB) located outside containment.
The last report was logged TXX-88497, dated June 13, 1988.
Corrective actions included providing a redundant HELB pressure switch and alarm circuit, and reconnecting one of two Auxiliary Steam System HELB pressure snitch trains to a dif ferent AC source.
Engineering and Constru;; tion activities for these actions have been rescheduled for completion by February 1, 1989.
Very truly yours, W. G. Counsil B) :
AN'
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Joy C$ecF Vice President, Nuclear Engineering VPC/gj c - Mr. R. D. Martin, Region IV Resident Inspectors. CPSES (3)
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