ML19322B224

Requests Deletion of Two Comments from Blume Preliminary Rept,Review of Seismic Design of Oconee Which Pertain to B&W Topical Repts BAW-10008,Parts 1 & 2 Re LOCA Seismic Disturbances

ML19322B224
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 7912020080
Download: ML19322B224 (2)

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.EE LLOSO a August 12, 1970 Mr. Edson G. Case, Director Division of Reactor Standards U.S. Atanic Energy Camission Washington, D.C. 20343 Contract No: AT(49-5) -4011 Blume Project No: 2085511 Subj ect: Oconee Nuclear Station 'inits 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 Deflection Due to Loss-of-Coolant Accident and Maximum Hypothetical Earthquake" and BAW-10008, Part 2, " Fuel Assembly Stress and Deflection 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 fran 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 Keowee 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 preliminary report by deleting reference to _the following items:

Powerhouse Concrete Substructure and Steel Superstructure Spillway Concrete Gate Structure Tainter Gates and Anchorage Very truly yours, JOHN A. BLUME G ASSOCIATES, ENGINEERS Af?7/S y Roland L. Sharpe bC Executive Vice President DIN:aa p ne d $2O P!

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