ML20052D166

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Forwards Calculation Sheets Showing That Hydraulic Control Unit Floor Slab Is Shear Critical,Per NRC Structural Engineering Branch Request.Encl Withheld (Ref 10CFR2.790)
ML20052D166
Person / Time
Site: Grand Gulf  Entergy icon.png
Issue date: 05/05/1982
From: Trickovic R
BECHTEL GROUP, INC.
To: Harold Denton
Office of Nuclear Reactor Regulation
Shared Package
ML19277B523 List:
References
VB-82-0113, VB-82-113, NUDOCS 8205060328
Download: ML20052D166 (1)


Text

.. .

Bechtel Power Corporaton Engineers - Constructors 15740 Shady Grove Road Gaithersburg, Maryland 20877 301 - 258-3000 May 5, 1982 -

q, United States Nuclear Regulatory Commission '@\ S Office of Nuclear Reactor Regulation // i:H . 'n Division of Licensing D

Washington, D.C. 20555 ' ' 0'f 51982 L -  ;

Attention: Mr. Harold R. Denton, Director k C Cp fC; tr~, ym 4  : 8

Dear Mr. Denton:

77 _

d' Nuclear QA Is Applicable Middle South Energy, Inc.

Grand Gulf Nuclear Station Bechtel Job No. 9645 File: 0266/0862/L-860.0 Transmittal of Response to NRC Questions on Fluid Dynamics Docket No.'s 50-416 and 50-417 Units 1 and 2 VB-82/0113 Per the informal request from the NRC Structural Engineering Branch, a calculation to show that the Grand Gulf HCU floor slab is shear critical has been performed. Since this calculation is confidential and proprietary to Bechtel Power Corporation, one original and fifteen copies of this information is being submitted to you directly by Bechtel, as an agent for Mississippi Power & Light Company.

Under terms of our affidavit and cover letter, D. E. Huffman, Bechtel Power Corporation, to Edward C. Shomaker, NRC, dated June 6, 1980, the attached information is of the type described in the affidavit and cover letter and should be treated as confidential and proprietary fer the same reason as the prior submitted information.

Very truly yours, 8205060328 020505 "

l PDR ADOCK 05000416 A PDR

- <[-c/

R. S. Trickovic

%O 3 Project Engineer Applicable Systems: Numerous

Enclosures:

Calculation Sheet, Containment Elevation 135'4"-Ultimate Capacity Evaluation cc: L. F. Dale, 2w/o E. H. Duda, 2w/o p

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T. H. Cloninger, w/o J. D. Richardson, w/o T. E. Reaves, w/o C. K. McCoy, w/o

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f pb]U; fi f

J. F. Pinto, w/o

' M. D. Archdeacon, w/o g

h*V L. Ruhland, w/o

\' J. F. Hudson, w/o ff

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  • Enclosure is proprietary with distribution to addressee only.