ML20154P955

Supplemental Deficiency Rept CP-87-21 Re Effect of Thermolag on Derating Factors.Initially Reported on 871223.Corrective Actions Rescheduled for Completion by 890228 for Unit 1.Unit 2 Schedule Unchanged

ML20154P955
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-87-21, TXX-88708, NUDOCS 8810030243
Download: ML20154P955 (1)

Text

, .-_

M MM Log # TXX-88708

- 4 File # 10110 909.5 nlELECTRIC R # IOC'R$U'05('I September 30, 1988

% sham G. Coenau >

t,u m ry,n,,um,

'J. S. Nuclear Regulatory Commission >

Attn: Document Control Desk i Washington, D.C. 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)  :

DOCKET N05. 50-445 AND 50-446 EFFECT OF THERM 0 LAG ON DERATING FACTORS 50AR: CP-87-21 (SVPPLEMENTAL REPORT)

J Gentlemen:

On December 23, 1987, TV Electric letter provided notification that the deficiency involving the effect of thermolag on derating factors was reportable under the provisions of 10CFR50.55(e). The latest report on this  !

1 issue, logged TXX-88599, was submitted August 1, 1988. This report is i submitted to update the corrective action completion schedule. '

i TXX-88599 indicated that Unit 1 corrective actions would be completed by October 1, 1988, with supporting documentation available after November 30, 1988. However, these activities have been rescheduled for completion by February 28, 1989. The schedule for Unit 2 remains unchanged.

] Very truly yours, i h i

1 j

W. G. Counsil l 1

By: U. f_ 1 n W. Beck  :

)'

Vice President, Nuclear Engineering i J

JDS/mlh c-Mr. R. D. Martin, Region IV

Resident Inspectors, CPSES (3)

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