ML20059D045

Forwards Safety Evaluation,Accepting Util Topical Rept RXE-91-005, Methodology for Reactor Core Response to Steamline Break Events

ML20059D045
Person / Time
Site:	Comanche Peak
Issue date:	12/30/1993
From:	Bergman T Office of Nuclear Reactor Regulation
To:	William Cahill TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
Shared Package
ML20059D048	List: ML20059D045 ML20059D191
References
TAC-M80521, NUDOCS 9401060361
Download: ML20059D045 (2)

Text

.

December 30, 1993 Docket Nos. 50-445 DISTRIBUTION and 50-446 Docket-File TBergman (2)

NRC PDR" EPeyton Mr. William J. Cahill Local PDR ACRS (10) ,

Group Vice President, Nuclear PDIV-2 R/F RJones TU Electric Company JRoe LYandell, RG-IV.

400 North Olive Street, L.B. 81 EAdensam Dallas, Texas 75201

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION, UNITS 1 AND 2, TOPICAL REPORT RXE-91-005, " METHODOLOGY FOR REACTOR CORE RESPONSE TO STEAMLINE BREAK EVENTS" (TAC N0. M80521)

By letter dated May 31, 1991, Texas Utilities Electric Company (TV Electric) submitted topical report RXE-91-005, " Methodology for Reactor Core Response to Steamline Break Events." In response to staff questions, TU Electric provided additional information in a submittal dated September 3,1993.

The staff has reviewed topical report RXE-91-005 and the additional information provided by the licensee and finds the methodology acceptable for use by TV Electric for Comanche Peak Steam Electric Station, Units 1 and 2, as documented in the enclosed safety evaluation.

Sincerely, Original Signed By Thomas A. Bergman, Project Manager Project Directorate IV-2 Division of Reactor Projects III/IV/V Office of Nuclear Reactor Regulation

Enclosure:

Safety Evaluation cc w/ enclosure ,

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! Mr. William J. Cahill, Jr. cc w/ enclosure:

Senior Resident. Inspector Jack R. Newman, Esq.

U.S. Nuclear Regulatory Commission Newman & Holtzinger P. O. Box 1029 1615_L Street, N.W.

Granbury, Texas 76048 Suite 1000 Washington, D. C. 20036 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Chief, Texas Bureau of Radiation Control-611 Ryan Plaza Drive, Suite 1000 Texas Department of Health Arlington, Texas 76011 1100 West 49th Street Austin, Texas 78756 Mrs. Juanita Ellis, President Citizens Association for Sound Energy Honorable Dale McPherson 1426 South Polk County Judge Dallas, Texas 75224 P. O. Box 851 Glen Rose, Texas 76043 Mr. Roger D. Walker, Manager Regulatory Affairs for Nuclear Engineering Organization Texas Utilities Electric Company 400 North Olive Street, L.B. 81 Dallas, Texas 75201 Texas Utilities Electric Company c/o Bethesda Licensing 3 Metro Center, Suite 610 Bethesda, Maryland 20814 William A. Burchette, Esq.

Counsel for Tex-La Electric Cooperative of Texas Jorden, Schulte, & Burchette 1025 Thomas Jefferson Street, N.W.

' Washington, D.C. 20007 GDS Associates, Inc.

Suite 720 1850 Parkway Place Marietta,. Georgia 30067-8237