ML20245F417

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Supplemental Deficiency Rept CP-88-20 Re Instrumentation Utilized in Detection & Mitigation for Certain High Energy Line Breaks Located Outside Containment.Initially Reported on 890128.Investigation Continuing
ML20245F417
Person / Time
Site: Comanche Peak  
Issue date: 04/28/1989
From: William Cahill, Woodlan D
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CP-88-20, TXX-89230, NUDOCS 8905020372
Download: ML20245F417 (1)


Text

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hlbllllll" M Log # TXX-89230 1

File # 10110 r

C 907.6 7UELECTRIC Ref. # 10CFR50.55(e)

April 28,1989 W. J. Cahill farcutive V,ce Presutent V. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D. C.

20555 I

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NOS. 50-445 AND 50-446 i

HELB DETECTION AND MITIGATION SDAR:

CP-88-20 (SUPPLEMENTAL REPORT)

Gentlemen.

l On January 28, 1989, TV Electric notified the NRC via final report logged i

TXX-88157, of a deficiency involving instrumentation utilized in the detection l

and mitigation for certain High Energy Line Breaks (HELB) located outside l

containment.

The last report was logged TXX-89046, dated February 1, 1989.

The purpose of this report is to revise the corrective action implementation l

schedule.

l 1

Implementation of the corrective actions for this issue is continuing.

The i

estimated completion date of the corrective actions is Unit 1 fuel load.

Sincerely, William J. Cahill, Jr.

By:

D. R. Woodlan Docket Licensing Manager VPC/vid c - Mr. R. D. Martin, Region IV l

Resident inspectors, (CPSES) (3) 8905020372 890428 gDR ADOCK 05000445 b

f)

PNU no M North Ohve Street LB81 Dallas, Texas 75201