ML20149M617
| ML20149M617 | |
| Person / Time | |
|---|---|
| Site: | 05000470 |
| Issue date: | 02/16/1988 |
| From: | Scherer A ABB COMBUSTION ENGINEERING NUCLEAR FUEL (FORMERLY |
| To: | Vissing G NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM), Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML19341D978 | List: |
| References | |
| LD-88-015, LD-88-15, NUDOCS 8802260187 | |
| Download: ML20149M617 (2) | |
Text
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SOlWBUSTION ENGINEERING l
l February 16, 1968 LD-88-015 Docket No. STN 50-470F Mr. Guy S. Vissing, Program Manager Standardization and Non-Power-Reactor Project Directorate Attn:
Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555
Subject:
Probabilistic Risk Assessment for the System 80R Design
Reference:
(A) Letter, LD-88-008, A. E. Scherer (C-E) to Guy S.
Vissing (NRC), dated January 22, 1988
Enclosures:
(1) "Base Line Level 1 Probabilistic Risk Assessment for the System 80R NSSS Design", January 1988, (Copy No. 00017)
(2) "Base Line Level 1 Probabilistic Risk Assessment for the System 80R NSSS Design", Non-Proprietary Version of Enclosure (1), (two copies) n" g
Dear Mr. Vissing:
o 4 %.
SEE The purpose of this letter is to transmit the additional copy of the
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report on the System 80R probabilistic Risk Assessment (PRA) which you requested in a recent telephone conversation with our Mr. S. E.
4 _ _,,
Ritterbusch.
N g
The enclosed report presents the methodology and results of the System 80 PRA.
This PRA will be used during the design process to evaluate design g
w trade-offs for the System 80+TM Standard Design.
Those results are p" Q considered by Combustion Engineering to be proprietary in natu e.
As
=M Q such, we request that they be withheld from public disclosure in y,g accordance with the provisions of 10 CFR 2.790 and that this material be 4sw safeguarded accordingly.
The reasons for the classification of this t:o h D material as proprietary were delineated in the affidavit provided in c
Enclosure (2) to the referenced letter.
b.
A Power Systems 1000 Prospect Hill Road (203) 688 1911 KA4 Combusbon Engineenng, Inc.
Post Offce Box 500 Telex: 99297 h.
8802260107 000216 MN PDR ADOCK 05000470
)
Mr. Guy S. Vissing LD-88-015 February 16, 1988 Page 2 Also enclosed are the two copies of the non-propria.ary version of the above report.
If you have any questions regarding this matter, please do not hesitate to call me or Mr. S. E. Ritterbusch of my staff at (203) 285-5206.
Very truly yours, COMBUSTION ENGINEERING, INC.
Director Nuclear Licensing AES:ss Enclosures l
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