ML19317E365

Notifies That Review of BAW-10008 Completed.Requests Deletion of Comment 5 & Revision of Comment 6 Re Seismic Design.Designs Presented in 700803 Informal Matl Acceptable

ML19317E365
Person / Time
Site:	Oconee
Issue date:	08/12/1970
From:	Sharpe R JOHN A. BLUME & ASSOCIATES, ENGINEERS
To:	Case E US ATOMIC ENERGY COMMISSION (AEC)
References
CON-AT(49-5)-4011 NUDOCS 7912170566
Download: ML19317E365 (2)

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August 12, 1970 Mr. Edson G. Case, Director Division of Reactor Standards U.S. Atomic Energy Commission '

Washington, D.C. 20343 Contract No: AT(49-5)-4011 Blume Project No: 2085511

Subject:

Oconce Nuclear Station Units 1, 2, and 3 Duke Power Company

' Docket Nos . 50-269, 270, 287

Dear Mr. Case:

We have completed our review of the applicant's responses to our comments pertaining to Babcock and Wilcox Topical Reports, BAW-10008, Part 1, " Reactor Internals Stress and Deficction Due to Loss-of-Coolant Accident and Maximum flypothetical Earthquake" and BNV-10008, Part 2, " Fuel Assembly Stress and Deficction Analysis for Loss-of-Coolant Accident and Seismic Excitation" and concur with the appli-cant's approach to the analysis. We would, therefore, like to delete Comment number S fraa our preliminary report, " Review of the Seismic Design of the Oconee Nuclear Station, Units 1, 2, and 3,"

dated July 21, 1970.

We have also reviewed the informal material dated August 3,1970 pertaining to the analysis of the Keowce Powerhouse and Spillway seismic analysis. We have assumed that the data presented are for

, critical members. If this is so, we feel the designs are acceptable and would like to revise Comment number 6 of our p climinary report by deleting reference to the following items:

, Powerhouse Concrete Substructure and Steel Superstructure Spillway Concrete Gate Structure Tainter Gates and Anchorage j

1 Very tmly yours, J0llN A. BLUME G ASSOCIATES, ENGINEERS M

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