ML19269D831

Forwards S&W Rept on Soil-Structure Interaction in Development of Amplified Response Spectra, in Response to NRC 790313 Order to Show Cause

ML19269D831
Person / Time
Site:	Beaver Valley
Issue date:	06/11/1979
From:	Woolever E DUQUESNE LIGHT CO.
To:	Harold Denton, Schwencer A Office of Nuclear Reactor Regulation
Shared Package
ML19269D832	List: ML19269D831 ML19269D833
References
NUDOCS 7906200155
Download: ML19269D831 (1)

Text

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(412) 471-4300 435 Sixth Avenue Pittsburgh, Pennsylvania 15219 June 11, 1979 I

Mr. Harold R. Denton Director of Nuclear Reactor Regulation United States Nuclear Regulatory Commission Attention: A. Schwencer, Chief Operating Reactors Branch No. 1 Division of Operating Reactors Washington, DC 20555

Reference:

Beaver Valley Power Station, Unit No. 1 Docket No. 50-334 Soils-Structure Interaction in the Development of I Amplified Response Spectra.

Gentlemen:

Enclosed are three (3) signed originals and thirty-seven (37) copies of a report which describes the use of " Soils-Structure Interaction in the Development of Amplified Response Spectra for Beaver Valley Power Station,' Unit No. 1".

The amplified response spectra, developed in accordance with the methods det.cribed in the report, are presently being utilized to perform a reanalysis of a majority of the plant piping systems identified in our April 2, 1979 reply to the Nuclear Regulatory Commission's March 13, 1979

" Order to Show Cause". -

The information requested in item 1 of Mr. Eisenhut's letter of May 25, 1979, which confi;med that soil structure interaction methodology may be used I on Beaver Valley, is included as Section 8 of the enclosed report. ,

Very truly yours,

, .J oolever Vice President, Engineering and Construction Enclosure 7906200155.

~

2253 006

Mr. Harold R. Denton, NRC A

. Soils-Structure Interaction in the Development of Amplified Response Spectra (CORPORATE SEAL)

Attest:

0 'C 8/ Q H. W. Staas Secretary .

COMMONWEALTH OF PENNSYLVANIA)

) SS:

COUNTY OF ALLEGHENY )

On this // '% ay d of tT~>dE~ , 1979, before me, DONALD W. SHANNOW __, a Notary Public it and for said Commonwealth and County, personally appeared E. J. Woolever, who being duly sworn, deposed, and said that (1) he is Vice President of Duquesne Light, (2) he is duly authorized to execute and file the foregoing Submittal on behalf of said Company, and (3) the statements set forth in the Submittal are true and correct to the best of his knowledge, information and belief.

/ ~s'U' 'T . , ~m _

DONALD W. SHANNON, NOTARY PUBilC

.PITTSBURCH, ALLECHENY COUNTY NY COMMISSION EXPIRES JUNE 7.1983 Merr.ber, Pennsylonia Auociatsn of Notarks 2253 007

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BEAVER VALLEY POWER STATION, UNIT 1 SOIL-STRUCTURE INTERACTION IN THE DEVELOPMENT OF AMPLIFIED RESPONSE SPECTRA FOR BEAVER VALLEY POWER STATION, UNIT 1 DUQUESNE LIGHT COMPANY June 11, 1979 2253 008 Stone & Webster Engineering Corporation Boston, Massachusetts

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