ML19329B384
| ML19329B384 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 07/23/1975 |
| From: | Tedesco R Office of Nuclear Reactor Regulation |
| To: | Stello V Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8002050592 | |
| Download: ML19329B384 (1) | |
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a JUL t 3 B75 Docket Nos 50-346 V. Stello, Assistant birector for Reactor Safety, TR REQUEST,FOR ADDITIONAL INFORMATION - DAVIS BESSE NUCLEAR POWER STATION, UNIT t
' Plant Name: Davis-Besse Nuclear Power Station, Unit 1 Docket No.: 50-346 Licensing Stage: CL NSSS Supplier:
Babcock & Wilcox Containment Type:
Dry, Dual Architect Engineer: Bechtel Responsible Branch & Pmject Manager:
RSB; G. Mazetis and LWR 2-3; L. Engle Requested Completion Date: August 15, 1975 Review Status:
Incomplete The Containment Systems Brench is mytewing the containment pressum calcu-lations used for the ECCS evaluation of Davis-Besse. Unit 1.
The applicant references Topical Report "ECCS Evaluation of B&W's 177-FA Raised Loo $
isS" 8AW-10105, for the ECCS evaluation.
The containment input parameters selected for use in BAW-10105 have not been justified as being conservative for the ECCS containment pressure calculation. For operating licensing we require that justification be presented for the passive heat sinks and the other significant containment parametars. A list of the additional infomation required for Davis-Besse, Unit 1 is enclosed.
Robert L. Tedesco, Assistant Director for Cantainment Safety Division of Technical Review
Enclosure:
As stated cc:
S. Hanauer G. Lainas
'IRR Reading R. Heineman L. Engle CS Reading l
A. Giambusso S. Varga CSB Reading W. Mcdonald J. Kudrick Docket File D. Eisenhut J. Shapaker G. Mazetis W. Jensen T. Novak J. Glynn A. Schwencer-C. Anderson t
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