ML20235Z262

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Requests Addl Info from Util Re Bldg 10 Seismic Design, Including Descriptive Matl for PILAY2 Computer Code & Sketches or Drawings Showing Caisson/Slab/Wall Configurations
ML20235Z262
Person / Time
Site: Fort Saint Vrain Xcel Energy icon.png
Issue date: 07/08/1987
From: Chris Miller
BROOKHAVEN NATIONAL LABORATORY
To: Chan S
NRC
Shared Package
ML20235Y135 List:
References
TAC-55287, NUDOCS 8707270245
Download: ML20235Z262 (1)


Text

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[ BROOKHAVEN NATIONAL LABORA RY QQg ASSOCIATED UNIVERSITIES, INC.

Upton, Long Island. New York 11973 i (516)282s FTS 666/ 2026 i Department of Nuclear Energy .

July 8, 1987 l

l i

Mr. Sai P. Chan j Division of PWR Licensing A Room 334, Hail Stop P-316 l Phillips Building l

7920 Norfolk Avenue Bethesda,.HD 20814 .

Reference:

Response of Public Service to Request for Additional Information of FSV Building 10 Dest Dr. Chan:

The referenced Public Service response to the request for additional f

' information on the Ft. St. Vrain Building 10 seismic design has been reviewed. The response contains most of the required information and it appears than an audit at Public Service will not be required. However, the following additional information is required to complete the BNL review:

1. Reference is made to the computer code PILAY2. Some descriptive naterial for the code is required. If the computer code generated frequency dep,endent interaction coefficients, a plot of the stiffness and damping interaction coefficients as a function of frequency should be provided. j l
2. Sketches or drawinge should be provided showing the caisson / slab / wall l configurations upon which Public Service concluded that the i foundation system is two to four times stiffer than the caissons. i Regards,

/

/ Charles A. Miller I i CAM /1g l

cc: A.J. Phillipscopoulos M. Reich P. Bezier f

8707270245 870720 PDR ADOCK 05000267 p PDR i i J

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