ML20207E142

Forwards Proprietary BNL Repts Re Probability Safety Study for RESAR SP/90.Repts Withheld (Ref 10CFR2.740)

ML20207E142
Person / Time
Site:	05000601
Issue date:	07/29/1988
From:	Chris Miller Office of Nuclear Reactor Regulation
To:	Ward D Advisory Committee on Reactor Safeguards
Shared Package
ML19292J245	List: ML20207E142
References
RTR-NUREG-CR-5177 NUDOCS 8808170056
Download: ML20207E142 (2)

Text

e-e .

July 29, 1988 Docket No. 50-601

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Hr. David Ward, Chairman Subcomittee on Advanced Pressurized Water Reactors (Westinghouse and Combustion Engineering)

Advisory Committee on Reactor Safeguards United States Nuclear Regulatory Commission Washington, D.C. 20555

SUBJECT:

BNL REPORTS REGARDING PROBABILISTIC SAFETY STUDY FOR THE RESAR SP/90 As part of our ongoing review of Westinghouse's application for a Preliminary Design Approval (PDA) for the RESAR SP/90 Advanced PWR, we contracted with Brookhaven National Laboratory (BNL) to assist us in our review of Module 16, "Probabilistic Safety Study." As part of this effort, BNL has prepared the attached NUREG/CR 5177, Volurres 1 and 2, entitled "A Review of the WAPWR Probabilistic Safety Study (Internal Events, Core Damage Frequency)" snd "A Review of the WAPWR Probabilistic Safety Study (Internal Events, Containment Response, and Offsite Consequences)," respectively.

We are providing these reports to assist you in understanding the concerns of the staff and our contractor.

Note that some of the material contained in these enclosures are considered to be proprietary and, therefore, is being withheld from public disclosure per 10 CFR 2.740. If you have any questions concerning this matter, please contact Tom Kenyon at (301) 492-1120.

Sincerely, Original Signed By:

Charles L. Itiller, Acting Director 8800170056 080729 Standardization and Non-Power PDR ADOCK 05000601 Reactor Project Directorate A PNU Division of Reactor Projects III, IV, Y and Special Projects Office of Nuclear Reactor Regulation Enriosures:

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%, July 29, 1988 Docket No. 50-601 Mr. David Ward, Chairman Subcomittee on Advanced Pressurized Water Reactors (Westinghouse and Combustion Engineering)

Advisory Comittee on Reactor Safeguards United States Nuclear Regulatory Comission Washington, D.C. 20555

SUBJECT:

BNL REPORTS REGARDING PROBABILISTIC SAFETY STUDY FOR THE RESAR SP/90 ,

As part of our ongoing review of Westinghouse's application for a Preliminary Design Approval (PDA) for the RESAR SP/90 Advanced PWR, we contracted with Brookhaven National Laboratory (BNL) to assist us in our review of Module 16 "Probabilistic Safety Study." As part of this effort BNL has prepared the attached NUREG/CR 5177, Volumes 1 and 2, entitled "A Review of the WAPhR

, Probabilistic Safety Study (Internal Events, Core Damage Frac;uency)" and "A Review of the WAPWR Probabilistic Safety Study (Internal Events, Containment Response, and Offsite Consegaences)." respectively.

^

We are providing these reports to assist you in understanding the concerns of t the staff and our contractor.

Note that some of the material contained in these enclosures are considered to i be prcprietary and, therefore, is being withheld from public disclosure per 10 CFR 2.740. If you have any questions concerning this matter, please contact Tom Kenyon at (301) 492-1120.

Sincerely, CAA.a l r Charles L. Miller, Acting Director Standardization and Non-Power i Reactor Project Directorate l Division of Reactor Projects III.

IV, Y and Special Projects  !

Office of Nuclear Reactor Regulation i l

Enclosures:

I As stated 1 i

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