ML20070J024

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Affidavit of MP Osborne Confirming That Value of DNBR Remains Above 1.30 Limit for Pertinent Steam Line Break Analyses W/O Boron Injection Tank
ML20070J024
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 11/29/1982
From: Osborne M
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20070J016 List:
References
NUDOCS 8212270320
Download: ML20070J024 (1)


Text

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O Applic0nto' Exhibit 154 UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD g

uvx In the Matter of )

) '82 DEC 23 Pl2:11 TEXAS UTILITIES GENERATING Docket Nos. 50-445 and COMPANY, et al. 50-446 .. ..

. .m ,o a danu An -

(Comanche Peak Steam Electric (Application f N Nb hc Station, Units 1 and 2) OperatingLicenses)

AFFIDAVIT OF MELITA OSBORNE REGARDING DNBR RESULTS WITH BORON INJECTION TANK REMOVAL During the hearings conducted in this proceeding on June 7 - June 11, 1982, testimony was provided relating to the value for DNBR (Departure from Nucleate Boiling Ratio) without the Boron Injection Tank (BIT). (Tr. 734-784).

The purpose of this affidavit is to clarify that testimony.

The removal of the BIT has an impact only upon the steamline break snalyses. Westinghouse has ponfirmed that for the Comanche Peak plant, the minimum value of the DNBR remains above the 1.30 11mit for pertinent steam-line break analyses without a BIT. Westinghouse has satisfied the dose limit requirements for 10CFR Part 20 and Part 100 by stating that the DNBR remains above the limiting value of 1.30 (i.e. no fuel failure) whether or not a BIT is employed. Since the DNBR remains greater than 1.30, the margin of safety as defined in the Bases of the Technical Specifications is not reduced.

Therefore, the precise value of the DNBR is not presented or required for NRC Staff review.

s212i270320' 821222 ', c.-41,Lj M d Q M PDR ADOCK 05000443 Mclita P. Osborne

.0 PDh Subscribed and sworn to before me this off day of November,1982.

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tiotary Puolic rAULETTE SLONSKA, NOTAtf PUBDO ENROEVILLE BORD, At1EGM!NY C00hTV MY COMWi$$10N EXPlRES MARCH 10.1986

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