ML20062A028

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Forwards Request for Addl Geotechnical Info Re Foundation & Soils to Continue FSAR Review
ML20062A028
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 07/13/1982
From: Schwencer A
Office of Nuclear Reactor Regulation
To: Bauer E
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
References
NUDOCS 8208030041
Download: ML20062A028 (4)
v • d • e


Text

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, A JUI.13 1982 DISTRIBUTION :

Docket File bec: NRC PDR LB#2 File Local PDR Habel son NSIC JDocket.fles.:";50-362/353g EHylton PRC ACRS (16)

I&E Lewis, OELD Mr. Edward G. Bauer, Jr. Region I JPearring Vice President & General Counsel Phildelphia Electric Company 2301 Market Street Philadelphia, Pennsylvania 19101

Dear Mr. Bauer:

Subj ect: Request for Additional Information - Limerick (Geotechnical)

The Geotechnical Engineering Section of the Hydrologic and Geotechnical Engineering Branch has reviewed FSAR Sections 2.5.4 and 2.5.5, including Revision 6 which responds to a related information request of March 3,1982.

The review of this material indicates a need for the additional information delineated in Enclosure 1.

To expedite the review, we request that you provide us with this information

.within two weeks from receipt of this letter. Any questions concernfr.g this information request should be directed to Dr. Harvey Abelson, (301) 492-9774, the Licensing Project Manager.

Sincerely, A. chwencer, Chief Licensing Branch No. 2 Division of Licensing

Enclosure:

As stated cc: See next page

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;. ' cm  %~ X;~ T-JWR3; - '~ M. G __ , b Limerick Mr. Edward G. Bauer, Jr.

Vice President & General Counsel Philadelphia Electric Company 2301 Market Street -

Philadelphia, Pennsylvania 19101 cc: Troy B. Conner, J r. , Esquire Mr. Marvin I. Lewis A

Conner and Wetterhihn 6504 Bradford Terrace k ,

1747 Pennsylvanic Avenue, N. W. Philadelphia, PA 19149

[ Washington, D. C. 20006 D

5 Frank R. Romano, Chaiman Mr. Robert W. Adler Air & Water Pollution Patrol f' Assistant Counsel 61 Forest Avenue

) , Commonwealth of Pennsylvania, DER Ambler, PA 19002 f, 505 Executive House

P. O. Box 2357 Charles W. Elliott, Esquire Harrisburg, Pennsylvania 17120 Thomas & Hair
f. 123 North Fifth Street
Honorable Lawrence Coughlin Allentown, PA 18102 l; House of Representatives Congress of the United States Judith A. Dorsey, Esquire i Washington, D. C. 20515 Limerick Ecology Action

( 1315 Waln'it Street, Suite 1632

Roger B. Reynolds, Jr., Esquire Philadelphia, PA 19107 g 324 Swede Street

.. , Norristown, Pennsylvania 19401 Mr. Karl Abraham

[r Public Affairs Officer Law-ence Sager, Esquire Region I t Sager & Sager Associates U.S. Nuclear Regulatoor Commission f' 45 High Street 631 Park Avenue -

Pottstown, Pennsylvania 19464 ,

King of Prussia, PA 19806 Joseph A. Smyth Mr. Jacque Durr Assistant County Solicitor Resident Inspector County of Montgomery U.S. Nuclear Regulato y Commission Courthouse P. O. Box 47 Norristown, Pennsylvania 19404 Sanatoga, PA 19464 Eugene J. Bradley James M. Neill, Esquire Philadelphia Electric Company Associate Counsel for Del-Aware Associate General Counsel . Box 511 2301 Market Street Dublin, PA 18917 Philadelphia, Pennsylvania 19101 Joseph H.. White III ,

Mr. Vincent Boyer 11 South Merion Avenue Senior Vice President Byrn Mawr, PA 16801

' Nuclear Operations Philadelphia Electric Company 2301 Market Street Philadelphia, Pennsylvania 19101

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.4 Thomas Gerusky, Director Sugarman & Denworth Bureau of Radiation Protection Suite 510 Dept. of Environmental Resources North American Building 5th Floor, Fulton Bank Bldg. 121 South Broad Street Third & Locust Streets Philadelphia, PA 19107'

?j Harrisburg, PA 17120 Donald S. Bronstein, Esq.

Director, Pennsylvania Emergency The National Lawyers Guild

]1-Management Agency Third Floor .-

L , Basement, Transportation a 1425 Walnut Street Safety Building Philadelphia, PA 19102 Harrisburg, PA 17120

Lawrence Brenner, Esq., Chainnan*

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. John Shniper Administrative Judge i Meeting House Law Bldg. & Gallery U.S. Nuclear Regulatory Commission i ^

Mennonite Church Road Washington, D.C. 20555 Schuykill Road (Rt. 724)

Spring City, PA 19475 Dr. Richard F. Cole

  • N Moylan, PA 19065 Administrative Judge j U.S. Nuclear Regulatory Commission W. Wilson Goode Washington, D.C. 20555

, Managing Director 3 City of Philadelphia 9 Philadelphia, PA 19107 0

William A. Lochstet' -

3 119 E Aaron Drive ' '

State College, PA 16801 Walter W. Cohen -

1 Consumer Advocate j Office of Attorney General j 1425 Strawberry Square j Harrisburg, PA 17120

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5 Steven P. Hershey, Esquire Consumers' Education & Protective i

Association

-) Sylvania House l Juniper & Locust Streets . l

, Philadelphia, PA 19107 - -

Alan J. Nogee The Keystone p.111ance 3700 Chestnut Street Philadelphia, PA 19104 -

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ENCLOSURE 1 FSAR Review Questions - Geotechnical Engineering '

Limerick Generating Station Units 1 and 2 Prepared by: Dr. Jerome R. Pearring, GES, HGEB 4

241.16 The properties of Foundation Rock underlying all seismic Category I (2.5.4.2) and safety related facilities are not identified in Subsection 2.5.4.2 of the FSAR. In accordance with Regulatory Guide 1.70 provide in this Subsectian of the FSAR details of the static and dynamic engineering properties of all foundation rock in the site

area including rock that was not excavated to the depth where "hard,

< competent bedrock" was encountered, as described in the FSAR. Include a description of the methods used to determine the properties and provide a summary table cataloging the important static and dynamic strength test results. Also discuss how the developed data was used

in the safety analysis, how the test data was enveloped for design, and why the design values or range of values is conservative.

241.17 The properties of foundation soils underlying all seismic Category I (2.5.4.2) and safety related facilities are not identified in Subsection i 2.5.4.2 of the FSAR. In accordance witn Regulatory Guide 1.70, provide in this subsection of the FSAR details of the static and dynamic engineering properties of all foundation soil in the site area.

Include a description of the methods used to determine the properties and provide a summary table cataloging the important static and dynamic strength test results. Also discuss how the developed data wettused in the safety analysis, how the test data wascenveloped for design, and why the design values or range of values is conservative.

241.18 In accordance with Regulatory Guide 1.70 provide, in appropriate (2.5.4.7) subsections of the FSAR, profiles illustrating the detailed relationship

~ of the foundations of all seismic Category I and other safety related facilities to in situ subsurface soil and rock material at the site,

, including structural fill material. The profile should extend from i plant grade tc below the deepest foundations and to the depth of hard, competent bedrock. On these profiles, identify the static and dynamic properties of the soil and rock supporting all structures. Discuss, in subsection 2.5.4.7 of the FSAR, the relationship of the actual

, in situ soil and ' rock profiles and in situ soil and rock properties to the modeled profiles used to evaluate soil structure interaction effects.

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