ML20010D906

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Forwards Slides Used by Util & Consultants at 810813 Meeting on Soil Structure Interaction
ML20010D906
Person / Time
Site: South Texas  
Issue date: 08/26/1981
From: Goldberg J
HOUSTON LIGHTING & POWER CO.
To: Eisenhut D
Office of Nuclear Reactor Regulation
Shared Package
ML20010D907 List:
References
ST-HL-AE-725, NUDOCS 8109020093
Download: ML20010D906 (3)


Text

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The Light company i s,,,,,,,,, u i,e,,,

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August 26, 1981 ST-HL-AE-725 SFN: V-0100 e

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.h@h Mr. Darrell G. Eisenhut Di vi si t,;i of Licensing o

U.S. Nuclear Regulatory Commission b

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- 9r Washington, D.C.

20555 O

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Dear fir. Eisenhut:

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South Texas Project 4

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Units 1 & 2 Docket Nos. STN 50-498, STN 50-499 SSI Meetina of August 13, 1981 Attached are copies of slides used by Houston Lighting and Power and its consultants at the August 13th meeting on SSI.

Very truly yours,

d

. H. Go dberg Vice President Nuclear Engineering & Construction LRJ/syt Attachments cc: Service List (w/o attachments)

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8109020093 010826 PDR ADOCK 05000 A

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lionston Lighting & l'ower Company cc:

J. H. Goldberg August 26, 1981 J. G. Dewease ST-HL-AE-725 D. G. Barker SFN:

Y-0100 C. G. Robertson Pace 2 l

Howard Pyle R. L. Waldrop H. R. Dean D. k. Beeth J. D. Parsor s J. W. Williams J. W. Briskin J. E. Geiger STP RMS

. S. Phillips (NRC)

J. O. Read (Read-Poland, Irc.)

N. D. Schwarz (Baker & Botts)

R. Gordon Gooch (Baker & Botts)

J. R. Newman (Lowenstein, Newmai, Reis, & Axelrad)

Director, Office of spection & Enforcement Nuclear Regulatory Commission Washington, D. C. 20555 4

R. L. Range /G. W. Muench Charles Bechhoefer, Escuire Central Power & Light Company Chairman, A ;omic Safety & Licensing Board P. O. Box 2121 U. S. Nuclear Regulatory Commission Corpus Christi, Texas 78403 Washington, D. C.

20555 R. L. Hancock/G. Pokorny Dr. James C. Lamb, III City of Austin 313 Woodhaven Road P. O. Box 1088 Chapel Hill, North Carolina 27514 Austin, Texas 78767 J. B. Poston/A. vonRosenberg Mr. Ernest E. Hill City Public Service Board Lawrence Livermore Laboratory P. O. Box 1771 University of California San Antonio, Texas 78296 P. O. Box 808, L-46 Livermore, California 94550 Brian E. Berwick, Escuire William S. Jordan, III Assistant Attorney for the State of Texas Harmon & Weiss P. O. Box 12548 1725 I Street, N. W.

Capitol Station Suite 506 Austin, Texas 78711 Washington, D. C.

20006 Lanny Sinkin Citizens for Ecuitable Utilities, Inc.

Citizens Concerned About Nuclear Power c/o Ms. Peggy Buchorn 5106 Casa Oro Route 1, Box 1684 San Antonio. Texas 78233 Brazoria, Texas 77422 Jay Gutierrez, Esquire Hearing Attorney Office of the Executive Legal Director U. S. Nuclear Regulatory Commission Washingtor., D. C.

20555 Revision Date 7-28-81 I

SOUTH TEXAS PROJECT S0IL STRUCTURE INTERACTION CHRONOLOGY February 13, 1975 A meeting was neld between HL&P, B&R, Woodward Clyde Consultants (WCC) and the NRC to finalize the SSI criteria and analysis approach to be used on the South Texas Project.

In this meeting it was established that the SSI analysis would be performed utilizing the Finite Element Method (FEM) in accorance with USNRC Standard Review Plan (SRP)'Section 3.7.2.

August 1,1975 South Texas Project Safety Evaluation Report (SER) issued with conclusion by the NRC that the FEM was acceptable (SER3.7.2).

December 27, 1975 Construction Permit issued.

May IF, 1976 HL&P submitted response spectra curves for the South Texas Project based upon approved FEM.

April 13, 1979 NRC requests alternate comparative analysis using Elastic Half-Space Method (EHS) in FSAR Question 130.11 and 130.12.

May 10,1979 HL&P/B&R met with the NRC to contest responding to FSAR Question.

HL&P agreed to perform alternate analysis for comparison purposes only.

September 18, 1979 HL&P/B&R/WCC presented to NRC for approval che methodology under which the alternate confirmatory EHe model would be performed using Kausel's approach in considering embedment effects.

May 16,1983 HL&P transmitted to the NRC the response to FSAR Question 130.12 entitled " Alternate Comparative Soil Structure Interaction Analysis Using the Elastic Half-Space Appraach -

l for Cateaory 1 Structures for the South Texas Project."

1 July 21, 1981 HL&P transmitted to the NRC the consultants' reports document-ing the review of the South Texas Project FEM analysis.

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