ML20041E968

Forwards Request for Addl Info Re Reactor Coolant Pump Required to Complete Evaluation of OL Application.Requests That FSAR Be Amended to Include Info

ML20041E968
Person / Time
Site:	Comanche Peak
Issue date:	02/22/1982
From:	Youngblood B Office of Nuclear Reactor Regulation
To:	Gary R TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
References
NUDOCS 8203160030
Download: ML20041E968 (3)

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i LB#1 Reading TERA FEB 2 2 1982 DEisenhut NRC/PDR 1

BJYoungblood Lrmal PDR SBurwell NSIC Docket Nos.: 50-445 MRushbrook TI

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fir. R. J. Gary RVollmer i

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Subject:

Request for Additional Information for Comanche Peak Steam Electric Station, Units 1 and 2 Enclosed is a request for additional information which we require to complete our evaluation of your application for operating licenses for Comanche Peak Steam Electric Station, Units 1 and 2.

This request for additional information is the result of our continuing review on Westinghouse plants for operating license applications by the Reactor Systems Branch.

Please amend your FSAR to include the information requested in Enclosure.

A timely response to these questions will enable us to proceed with this review.

Should you have any questions concerning this request for addition information, please contact us.

Sincerely, i

Originni signed by:

B. J.Yourgblood B. J. Youngblood, Chief Licensing Branch flo. 1 Division of Licensing t

Enclosure:

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Mr. R. J. Gary Executive Vice President and General Manager Texas Utilities Generating Company 2001 Bryan Tower Dallas, Texas 75201 i

cc:

Nicholas S. Reynolds Esq.

J. Marshall Gilmore Debevoise & Liberman 1060 West Pipeline Road 1200 Seventeenth Street, N. W.

Hurst, Texas 76053 Washington, D. C.

20036 Mr. Robert G. Taylor Spencer C. Relyea, Esq.

Resident Inspector / Comanche Peak Worsham, Forsythe & Sampels Nyclear Power Station 2001 Bryan Tower c/o U. S. Nuclear Regulatory Dallas, Texas 75201 Commission i

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0~. Box 38 Mr. Homer C. Schmidt Glen Rose, Texas 76043 Manager - Nuclear Services Texas Uti'lities Services, Inc.

Richard Fouke 2001 Bryan. Tower Citizens for Fair Utility Regulation Dallas, Texas 75201 1668-B Carter Drive Arlington, Texas 76010 Mr. H. R. Rock-Gibbs and Hill, Inc.

Mr. John T. Collins 393 Seventh Avenue U. S. NRC, Region IV New York, New York 10001 611 Ryan Plaza Drive i

Suite 1000 Mr. A. 1. Parker Arlington, Texas 76011 l

Westingbouse Electric Corporation P. O. Box 355 Pittsburgh, Pennsylvania 15230 g

David J. Preister Assistant Attorney General Environmental Protection Division P. O. Box 12548, Capitol Station Austin, Texas 78711 Mrs. Juanita'Ellis, President Citizens Association for Sound Ener'gy 1426 South Polk Dallas, Texas 75224 s-a 9

COMANCHE PEAK STEAM ELECTRIC STATION, UNITS 1 AND 2 RE0 VEST FOR ADDITIONAL INFORMATION 212.0 REACTOR SYSTEMS BRANCH 212.145 Reactor Coolant Pump Locked Rotor Analysis The analyses of a reactor coolant pump locked rotor and a reactor coolant pump sheared. shaft in the FSAR assumes the availability of offsite power throughout the event.

In accordance with Standard Review Plan 15.3.3 and GDC 17, we require that this event be analyzed assuming turbine trip and coincident loss of offsite power to the undamaged pumps.

' Appropriate delay times may be assumed for loss of offsite power if suitabl' justified.

y Ste'am generator tube leakage should be assumed at the rates;specified in the Technical Specifications.

The event should also be analyzed assuming the worst single failure of a safety system active component.

Maximum technical specification primary system activity and steam generator tube leakage should be The analyses should demonstrate that offsite doses are less assumed.

than the 10 CFR 100 guidelines values.

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