ML20198L084

Forwards Updated Version (Sept 1996) of Rept Entitled, Assessment of Ex-Vessel Steam Explosions in AP600 Advanced Pressurized Water Reactor. Staff Concludes That Encl Rept Does Not Contain Those Portions of Info Exempt from Public

ML20198L084
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
ML20198L089	List: ML20198L084 ML20198L093
References
NUDOCS 9801150164
Download: ML20198L084 (3)

Text

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• " UNITED STATES s ]

j' NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. SoseHoot

• • • • • [ November 6, in7 Mr. Nicholas J. Liparulo, Manager Nuclear Safety and Regulatory Analysis-Nuclear and Advanced Technology Division Westinghouse Electric Ccrporation P.O. Box 355 Pittsburgh, PA 15230

SUBJECT:

N. PORT ENTITLED 'AN ASSESSMENT OF EX-VESSEL STEAM EXPL AP600 ADVANCED PRESSURIZED WAT3 REAT. TOR"

Dear Mr. Liparulo:

x In ayour.information.

fer November 4, 1997, letter the staff forwarded the subject report to y:a The letter noted that a brief discussion of the analyses contained evaluation reporf. in the report will be included in the staff's final safety February 1996, version. However, the report that was forwarded to you was a The report was subsequently revised to incorporate comments from an internal peer review. Therefore, please find enclosed an i updated version (September 1996) of the subject report for your information, If you have any questions concerning this report please contact Michael Srodderly of the Containment Systems and Severe Accident Branch at (301) 415-2047.

You have requested that portions of the information submitted in the June public1992, application for design certification be exempt from mandatory disclosure.

While the staff has not completed its review of your request in acccedance with the requirements of 10 CFR 2.790, that portion of the submitted aformation is being withheld from public disclosure pending the staff's final detn mination. The staff concludes that the enclosed report does not contain those portions of.the information for which exemption is sw3ht. However, the staff will withhold this letter from public disclosure for 30 calendar days from the date of this letter to allow Westinghouse the opportSty o verify the staff's conclusions. If, after that ti'ne, you do not rewe*+ d-t all or portions of the information in the enclosures be withhelo f om public disclosure in accordance with 10 CFR 2.790, this letter will be placed in the Nuclear Regulatory Commission Public Document Room.

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, , e Mr. Nicholas J. Liparulo November 6, 1997 If you have any questionc regarding this matter, you may contact me at (301) 415-1132.

Sincerely, original igned by:

Joseph M. Sebrosky, Project Manager Standardization Project Directorate Division of Reactor Program Management Office of Nuclear Reactor Regulation .

Docket No.52-003

Enclosure:

As stated cc w/ encl: See next page DISTRIBUTION w/ encl:

• Docket File

• Enclosure to be held for 30 days

• PUBLIC PDST R/F DISTRIBUTION w/o encl:

TKenyon WHu'fman JSebrosky DScaletti JNWilson WDean, 0-5 E23 ACRS (11) JMoore, 0-15 B18 .JKudirck, 0-8 H7 RPalla, 0-8 H7 MSnodderly 0-8 H7 j

DOCUMENT NAME: A: EXVSL RV. FWD Ta esceive a copy of thle document,Indcate% the best *C* a Copy without ettechment/enclosuse *E' = Copy with attachment /enciosa *N* a No copy 0FFICE PM:PDST:DRPM SCSB:DSSA C/ D:PDST:DRPM v l l NAME JSebrosky:sg Ad3 MSnodderly HL5 TQuay4%

DATE 11/(c/97 H 11/b/97 11/(,/97 0FflCIAL RECORD COPY

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

Energy Systems Business Unit Westinghouse Electric Corporation P.O. Box 355 Energy Systems Business Unit .

Pittsburgh, PA 15230 Box 355 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 Nuclear Energy Institute DOC-Search Associates 1776 1 Street, NW Post Office Box 34 Suite 300 Cabin John, MD 20818 Washington, DC 20006-3706 Mr. Robert H. Buchholz GE Nuclear Energy Dr. Craig D. Swyer, Manager 175 Curtner Avenue, MC-781 Advanced Reactor Programs San Jose, CA 95125 GE Nuclear Energy 175 Curtner Avenue, MC-754 San Jose, CA 95125 Mr. Sterling Franks 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 Enginee Mr. Frank A. Ross AP600 Certification 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

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