ML20059L816

Requests Addl Info on AP600 in Area of Radiation Protection. Response Requested within 90 Days of Ltr Date

ML20059L816
Person / Time
Site:	05200003
Issue date:	10/26/1993
From:	Kenyon T Office of Nuclear Reactor Regulation
To:	Liparulo N WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
References
NUDOCS 9311170425
Download: ML20059L816 (4)

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UNITED STATES o

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WASHINGTON, D. C. 20555

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October 26, 1993 Docket No.52-003 Mr. Nicholas J. Liparulo Nuclear Safety and Regulatory Activities Westinghouse Electric Corporation P.O. Box 355 Pittsburgh, Pennsylvania 15230

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION (RAI) ON THE AP600 As a result of its discussions with your staff during meetings held on May 4 and 5, 1993, the staff has determined that it needs additional information in order to complete its review.

area of radiation protection (471.21).*The additional information is needed in the Enclosed is the staff's question.

Please respond to this request within 90 days of the date of receipt of this letter.

You have requested that portions of the information submitted in the June 1992 application for design certification be exempt from mandatory public disclo-While the staff has not completed its review of your request in sure.

accordance with the requirements of 10 CFR 2.790, that portion of the submit-ted information is being withheld from public disclosure pending the staff's final determination.

portions of the information for which exemption is sougid.The staff concludes t However, the staff date of this letter to allow Westinghouse the opportunity to verify 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 disclo-sure in accordance with 10 CFR 2.790, this letter will be placed in the Nuclear Regulatory Commission's Public Document Room.

• The numbers in parentheses designate the tracking numbers assigned to the questions.

9311170425 931026

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PDR 170001

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l-Mr. Nicholas J. Liparulo October 26, 1993 This RAI affects nine or fewer respondents, and therefore, is not subject to review by the Office of Management and Budget under P.L.96-511.

If you have any questions regarding this matter, you can contact me at (301) 504-1120.

Sincerely, Or*ghals ong n,,c l

Thomas J. Kenyon, Project Manager Standardization Project Directorate l

Associate Director for Advanced Reactors and License Renewal Office of Nuclear Reactor Regulation

Enclosure:

i As stated I

cc w/ enclosure:

1 See next page l

DISTRIBUTION:

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• PDR WTravers RBorchardt RArchitzel l

TKenyon RHasselberg TGody, Jr., EDO JMoore, 15B18 MSiemien, 15B18 DCarter, 10D4 JWiggington, 2004 PShea ACRS (11) w/o encl.

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DATE:

l OFFICIAL RECORD COPY:

DOCUMENT NAME: PRPB.RAI l

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e Mr. Nicholas J. Liparulo Westinghouse Electric Corporation i

Docket No.52-003 AP600 cc:

Mr. B. A. McIntyre Advanced Plant Safety & Licensing Westinghouse Electric Corporation Energy Systems Business Unit P.O. Box 355 Pittsburgh, Pennsylvania 15230 Mr. John C. Butler Advanced Plant Safety & Licensing Westinghouse Electric Corporation Energy Systems Business Unit Box 355 Pittsbcrgh, Pennsylvania 15230 Mr. M. D. Beaumont Nuclear and Advanced Technology Division Westinghouse Electric Corporation One Montrose Metro 11921 Rockville Pike i

Suite 350 Rockville, Maryland 20852 Mr. Sterling Franks U.S. Department of Energy NE-42 Washington, D.C.

20585 Mr. S. M. Modro EG&G Idaho Inc.

Post Office Box 1625 Idaho Falls, Idaho 83415 Mr. Steve Goldberg Budget Examiner 725 17th Street, N.W.

Room 8002 Washington, D.C.

20503 Mr. Frank A. Ross U.S. Department of Energy, NE-42 Office of LWR Safety and Technology 19901 Germantown Road Germantown, Maryland 20874 Mr. Victor G. Snell, Director Safety and Licensing AECL Technologies 9210 Corporate Boulevard Suite 410 Rockville, Maryland 20850

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l REQUEST FOR ADDITIONAL INFORMATION ON THE WESTINGHOUSE AP600 DESIGN 471.21 Provide updated normal operation and post-accident radiation zone maps for the AP600 design. These maps should include information showing all vital areas and routes taken during post-accident operations.

l This information is needed to complete the responses to the following l

RAls:

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a.

Q471.04, which requested that all locations containing radioactive l

pipe chases be indicated on area maps; b.

Q471.14, which requested that the location of all high and very high radiation areas (HRA/VHRA) be indicated on area maps; and I

l c.

Q471.06, which requested a listing of the number and location of area radiation monitors.

Provide the location of the following on architectural or radiation zone maps:

all radioactive pipe chases and locations within rooms of piping containing radioactive materials; all locked HRA/VHRA; and area radiation monitors (approximate locations)

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Note:

10 CFR Part 20 defines a Very High Radiation Area as an area, accessible to individuals, in which radiation levels could result in an individual receiv-ing an absorbed dose in excess of 500 rads in 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> at I meter from the radiation source or from any surface that the radiation penetrates.

In addition, for purposes of design certification and staff review, the Standard Review Plan requires that areas where personnel could receive 100 rad or more in one hour be identified.

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Enclosure i

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