ML18079A581

Forwards NRC to Westinghouse Requesting Addl Info Re Small Break LOCA Analyses & Analysis Methods.Nrc Will Eventually Require Documentation Re Applicability of Westinghouse Results to Analyses at Facility

ML18079A581
Person / Time
Site:	Salem
Issue date:	06/11/1979
From:	Schwencer A Office of Nuclear Reactor Regulation
To:	Librizzi F Public Service Enterprise Group
References
NUDOCS 7907240556
Download: ML18079A581 (3)

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. '~ /iv/j)jf)\\IY Mr. F.

P~ Librizzi, General Manager a~

Electric Production Production Department Public Service Electric and Gas 80 *Park Place, Room 7221 Newark; New Jersey 07101

Dear Mr. Librizzi:

Compariy

SUBJECT:

INFORMATION-COPY OF REQUEST FOR 'ADDITION.l\\L INFORMATION REGARDING ~JESTINGHOUSE SMALL BREJ\\K LOCA A~ALYSrs*

As. we discussect.wit~ you during our meeting on May 30, 1919, the. NRC staff is evaluating certain aspects of the NRC licensing process in light of tbe Three Mile*Island Unit 2 (TMI-2) accident of M~rch 28~

1~79~

• One \\of*the aspects being qddre?sed by the staff in its evaluation is the sta-0us *,Of the models used in -safety analyses, especially with regard-to transients and_s.mall break*toCAs_.

Enclosed is a copy of an.

NRC letter, date\\! June 4, 1979, requesting information from your nuc-lear steam supply vendor, the ~Jestinghouse Electric Corporation,,regarding'

• small break LQCA analyse$ and ana1ysis methods., This enclosure is provided for your i nfonnat ion.

It* is our understandfrig that you are* participating in this effort as it applies, to your licensed power plant through an owners group.

At some point in' this effort _we will require that you,document the applicability of the results of these ~Jestinghou*se analyses to your plant.

To that end, a copy of all correspondence to Westinghouse and* the owners group on this matter wi 11 be provided to you and pl aced in our fil~s on your specific plant.

Please contact P. D~ -O'Reilly, the staff's assigned project manager for this-matter, if you* have* any questions. -

_Sincerely-,

Original Signed By*

A. Sc!n1Jencer, Chief Operating Reactors Branch #1

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I UNITED STATES NUCLEAR REGULATORY COMMISSION lf{ASHINGTON, D. C. 20555 JUNE 11 1979 Docket No. 50-272 Mr. F. P. Librizzi, General Manager Electric Production Production Department Public Service Electric and Gas Company 80 Park Place, Room 7221 Newark, New Jersey 07101

SUBJECT:

INFORMATION COPY OF REQUEST FOR ADDITIONAL INFORMATION REGARDING WESTINGHOUSE SMALL BREAK LOCA ANALYSIS As we discussed with*you during our meeting on May 30, 1979, the NRC staff is evaluating certain aspects of the NRC licensing process in light of the Three Mile Island Unit 2 (TMI-2) accident of March 28, 1979.

One of the aspects being addressed by the staff in its evaluation is the status of the models. used in safety analyses, especially with regard to transients and small break LOCAs.

Enclosed is a copy of an

• NRC letter, dated June 4, 1979, requesting infonnation from your nuclear steam supply vendor, the Westinghouse Electric Corporation, regarding small break LOCA analyses and analysis methods.

Th'is enclosure is provided for your infonnation.

It is our understanding that you are parti~ipating in this effort as it applies to your licensed power plant through an owners group.

At some point in this effort we wfl 1 require that you document the applicability of the results of these Westinghouse analyses to your plant. To that end, a copy of all correspondence to Westinghouse and the owners group on this matter will be provided to you and placed in our files on your specific plant.

Please contact P. D. O.'.Reilly, the staff's assigned project manager for this matter, if you have any questions.

Enclosure:

NRC June 4, 1979 letter to \\*iest i nghouse cc:

w/en~losures See next page O

s; nc"4kt@dtL.

A~ s'~hwencer, Chief Operating Reactors Branch #1 Division of Operating Reactors

Mr. F. P *. Librizzi Public Service Electric and Gas Company cc:

Mark J. Wetterhahn, Esquire Conner, Moore and Corber Suite 1050 1747 Pennsylvania. Avenue, NW Washington, D. c.

20006 Richard Fryling, Jr., Esquire Assistant General Solicitor Public Service Electric and Gas 80 Park Pl ace*

Newarks New Jersey 07101 Gene Fisher, Bureau of Chief Bureau of Radiation Protection 380 Scotch Road Trenton, New Jersey 08628 Mr. Hank Midura, Manager Salem Nuclear Generating Station Company Public Service Electric and Gas Company 80 Park Place Newark, New Jersey 07101 Mr. R. l. Mittl, General Manager Licensing and Environment Public Service Electric and Gas Company*

80 Park Place Newark, New Jersey 07101 Salem Free Library 112 West Broadway Salem, New Jersey 08079 Leif J. Norrholm u.. S. Nuclear Regulatory Commission Drawer I Hancocks Bridge, New Jersey 08038 JUNE 1 1 1979