ML20212L010

Forwards Rept Entitled Notes on Approx Relations for Sensitivity of Design Spectra to Variation in Damping Factor & Ground Acceleration, Submitted During 770204 Meeting

ML20212L010
Person / Time
Site:	05000000, Diablo Canyon
Issue date:	03/30/1977
From:	Allison D Office of Nuclear Reactor Regulation
To:	Stolz J Office of Nuclear Reactor Regulation
Shared Package
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References
FOIA-86-391 NUDOCS 8608250163
Download: ML20212L010 (1)

Text

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Distribution MAR 3 01977 Docket File LWR #1 File JFStolz DPAllison DOCKET NOS. 50-275 EHy m n AND 50-323 EMORANDUM FOR: John F. Stolz, Chief, Light Water Reactors Branch No.1. DPM FRDM:

Dennis 'P. Allison, Project Manager, Light Water Reactors Branch No.1. DPM

SUBJECT:

DIABLO CANYON - SEISMIC DESIGN REEVALUATION The attached report was provided to us by Dr. Newmark at a meeting on February 4,1977. It deals with some of the sensitivity considerations that have been raised by ACR$ consultants in the Dfabio Canyon Review.

Original Signed By Dennis P. Allison

.Donets P A111sent. Project Manager papan Light Water Reactors Branch No.1 Division of Project Management

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Enclosure:

Report by Dr. Newmark. entitled

" Notes on Approximata Relations i

For Sensitivity of Design Spectra to Variations in Dampfng Factor and Ground Acceleration", dated February 2,1977.

cc:

'J. Knight I. Sibweil R. Bosnak D. Jeng P. Y. Chen J. C. Stepp R. Hofhann D. B. Vassallo R. C. DeYoung 8608250163 G60001 PDR FOIA HOUCH:3 6--391 PDG orrie = >

DPM: LWR #1

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