ML20199C107: Difference between revisions

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==Dear Mr. Liparulo:==
==Dear Mr. Liparulo:==
In a November 4, 1997, letter the staff forwarded the subject report to you
In a {{letter dated|date=November 4, 1997|text=November 4, 1997, letter}} the staff forwarded the subject report to you
                   . for your information. The letter noted that a brief discussion of the analyses contained in the report will be included in the staff's final safety evaluation report. However, the report that was forwarded to you was a February 1990, version. The report was subsequently revised to incorporate comments from an internal peer review. Therefore, please. find enclosed an updated version (September 1996) of the subject report for your information.
                   . for your information. The letter noted that a brief discussion of the analyses contained in the report will be included in the staff's final safety evaluation report. However, the report that was forwarded to you was a February 1990, version. The report was subsequently revised to incorporate comments from an internal peer review. Therefore, please. find enclosed an updated version (September 1996) of the subject report for your information.
If you have any questions concerning this report please con. tact Michael Snodderly of the Containment Systems and Severe Accident Branch at (301) 415-2047.
If you have any questions concerning this report please con. tact Michael Snodderly of the Containment Systems and Severe Accident Branch at (301) 415-2047.

Revision as of 05:05, 8 December 2021

Forwards Updated Proprietary Version of Rept, Assessment of Ex-Vessel Steam Explosions in AP600 Advanced Pressurized Water Reactor. Proprietary Rept Withheld
ML20199C107
Person / Time
Site: 05200003
Issue date: 11/06/1997
From: Joseph Sebrosky
NRC (Affiliation Not Assigned)
To: Liparulo N
WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
Shared Package
ML19313D080 List:
References
NUDOCS 9711190222
Download: ML20199C107 (3)


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vq UNITED STATES t ,

y NUCLEAR REGULATORY COMMISSION WASHINGTON. D.C. 3000H001 <

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%, .$ November 6, 1997 i Mr. Nicholas J. Liparulo, Manager. D p?W YA$

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_ r. 3 Nuclear Safety and Regulatory Analysis . @33

'Nu:: lear and Advanced Technology Division. > .k NOV 121997 Westinghouse Electric Corporation <

t_) s 4_1 iP.O. Box 355 Brian A. Mc Intyre Pittsburgh, PA- 15230

SUBJECT:

REPORT ENTITLED "AN ASSESSHENT OF EX-VESSEL STEAM EXPLOSIONS IN THE' AP600 ADVANCED PRESSURIZED WATER REACTOR",

Dear Mr. Liparulo:

In a November 4, 1997, letter the staff forwarded the subject report to you

. for your information. The letter noted that a brief discussion of the analyses contained in the report will be included in the staff's final safety evaluation report. However, the report that was forwarded to you was a February 1990, version. The report was subsequently revised to incorporate comments from an internal peer review. Therefore, please. find enclosed an updated version (September 1996) of the subject report for your information.

If you have any questions concerning this report please con. tact Michael Snodderly of the Containment Systems and Severe Accident Branch at (301) 415-2047.

You have requested that portions of the information submitted in the June 1992, application for design certification be exempt from mandatory public disclosure. While, the staff has not completed its review of your request in accordance with the requirements of 10 CFR 2.790, that portion of the submitNd information is being withheld from public disclosure pending the staff's final determination. The staff concludes that the enclosed report 3

does not contain those portions of the information for which exemption is sought. -However, the staff will withhold this-letter from pub'ic disclosure for 30 calendar days from the date of this letter to allow Westinghouse the' opportunity to verify the staff's conclusions. If, after that time, you do not request that all or portions of the information in the enclosures be withheld from public disclosure in accordance with 10 CFR 2.790, this letter will be placed.in the Nuclear Regulatory Commission Public Document Room.

9711190222 971112 PDR ADOCK 05200003 E PDR ,

Mr. Nicholas J.: Liparulo

, November 6, 1997 If you have any questions regarding this matter,-'you may contact me at ,

.(301)-415-1132.

Sincerely,.

/

/ -

oseph M. SebroskyJroject Manager -

Standardization Project Directorate Division of Reactor Program Management Office of Nuclear Reactor Regulation -

Docket No.52-003.

Enclosure:

As stated cc-w/ enc 1: See next page J

t-

}

4 A

Mr. Nicholas J. Liparulo Docket No.52-003 Westinghouse Electric Corporation AP600 cc: Mr. B. A. McIntyre Ms. Cindy L. Haag Advanced Plant Safety & Licensing Advanced Plant Safety & Licensing  ;

Westinghouse Electric Corporation Westinghouse Elec.tric Corporation Energy Systems Business Unit Energy Systems Business Unit P.O. Box 355 Box 355 Pittsburgh, PA 15230 Pittsburgh, PA 15230 Enclosure to be distributed to the following addressees after the result of the proprietary evaluation is received from Westinghouse:

Mr. Russ Bell Ms. Lynn Connor Senior Project Manager, Programs DOC-Search Associates Nuclear Energy Institute Post Office Box 34 1776 I Street, NW Cabin John, MD 20818 i Suite 300 Washington, DC 20006-3706 Mr. Robert H. Buchholz GE Nuclear Energy Dr. Craig-D. Sawyer, Manager 175 Curtner Avenue, MC-781-Advanced Reactor Frograms San Jose, CA 95125 GE Nuclear Energy 175 Curtner Aveliue, MC-754 Mr. Sterling Franks San Jose, CA 95125 U.S. Department of Energy NE-50 Barton Z. Cowan, Esq. 19901 Germantown Road Eckert Seamans Cherin & Mellott Germantown, MD 20874 600 Grant Street 42nd Floor Pittsburgh, PA 15219 Mr. Charles Thompson, Nuclear Engineer AP600 Certification Mr. Frank A. Ross NE-50 U.S. Department of Energy, NE-42 19901 Germantown Road Office of LWR Safety'and Technology Germantown, MD 20874 19901 Germantown Road Germantown, MD 20874 Mr. Ed Rodwell, Manager PWR Design Certification Electric Power Research Institute 3412 Hillview Avenue Palo Alto, CA 94303