ML20235X654
| ML20235X654 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 06/23/1970 |
| From: | Case E US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Newmark N ILLINOIS, UNIV. OF, URBANA, IL |
| Shared Package | |
| ML20235X376 | List:
|
| References | |
| FOIA-87-462 NUDOCS 8710200069 | |
| Download: ML20235X654 (3) | |
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1 JUN 2 31970 Docket Nos. 50-361 /
and 50-362 Nathaa M. !!ewnark Consulting Engineering Services 1114 Civil Engineering Su11 ding Univaralty of Illinois Urbana, Illinois 61801 Cent 1r nen:
I Contract No. AT(49-5)-2667 Nathan S Ueumark Consulting Engineering Serviceu la hornby raquestad, pursuant to the conditions of Contract No. AT(49-5)-2667 to provide the following services for tbc Cer: mission concerning the construction permit safety review of Sen onofra Unita 2 and 3:
1.
Perforn a generni reviev and evaluation of the seismic dcoign and annlysee of Category I structura'c, systems, and comp;'necto, with specific attention tc the adequacy of the following:
(a) Proposed response spectra and/or time histories at foundation f
1evel with respect to horis:ontal, vertical, ~ and torsional cor,.ononto of sein aic ground me tion.
4 (b) The design criteria applicable to Category I structures and the safety margins associated *..'ith thee criterf n ?.n' in.,
into account the proposed load factors and those loading combinations which include seismic loads.
(c)
The specified limits of allwai.'le desirn strecace, ultinato strength, strains, and deforn.stice. for tha. varic.us construc-tion materials which vall be red in Category I atructurns.
(d) Stiffness and flexibility propertfea of Cat:"ory I ctructures with relation to material properties, stress level, and geometrie shapte.
(e) The design criteria applicable to Category I systems and components for those loading combinations which include seismic loads.
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Damping factors as related to the stress levels and modal distribution applied to structures, systems, and components.
(g) Analytical Models related to structure-soil interaction, structure-component interaction, and adjoining structure interactions.
(h) Testing methods proposed in lieu of specific analyses or in justification of saismic design methods.
(1)
Seismic design considerations applied to common boundaries between Category I and either Category II or Category III structures and systems.
2.
Prepara and furnish a " Seismic Design' Consultant Report for San Onofre Units 2 and 3" containing a summary of the conclusions reached, based on d2e evaluation of the preliminary design within the scope of I above, taking into account (a) the information submitted by the applicant, (b) discussions held with the AEC regulatory staff, and (c) AEC meetings with the applicant and its seismic design consultants in which you may have participated.
3.
Prepare and furnish in a separate. report a discussion of the summary conclusions of 2 above, and their bases.
j 4.
Serve as an expert witness in the public hearing on this facility, l
if required.
Your initial review of the PSAR volumes should include the identifi-cation of areas of concern and areas requiring additional information, within the scope of 1 above.
Please advise us, at the earliest
~j opportunity, of the results of this laitial review and any additional j
information needed so that we may add your information requests, as appropriate, to those which the AEC will transmit to the applicant.
j Copies of the amendments prepared by the applicant in response of these AEC requests for supplemental information will be forwarded to you upon receipt.
Volumes I through IV of the Preliminary Safety Analysis Reports for this facility are enclosed for your use.
All correspondence and reports as may be required to comply with this Work Directive for i
services shall be addressed to Mr. Edson G. Case, Director,. Division of Reactor Standards, U.S. Atomic Energy Commission, Washington, D. C.
j 20454.
All costs shall be itemized and requests for reimbursement i
shall be ' submitted.
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Form AEC 3tB (Rev 9-53)
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JUN 2 01970 N. M. Newmark 3_
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The maximum amount payable to your. firm in order to perform the services requested in 1 through 3 above is $5,000; item 4, if required.will be costed separately. Ot2 present schedule requires that you provide us with any questions or requests for additional information by July 13, 1970, and a final report by January 11, 1971.
This constitutes a Work Directive pursuant. to Article' I, paragraph (b) of Contract AT(49-5)-2667.
All other requirements specified in Contract No. AT(49-5)-2667 remain unchanged.
Sincerely, Originsi *lB E. G. Case Edson G. Case, Director Division of Reactor Standards (Authorized Representative for the Contracting Officer)
Enclosures Volumes I through IV of PSAR bec w/o enc 1:
EGCase, DRS JLStrich, DC RCDeYoung, DRL RRMaccary, DRS JEMcEwen, DRS AWDromerick, DRS RConaway, OC EEQallow, DRL ltABirkely, DRL NBlunt, DKL' JLee, DRS OGC JLSullivan, DR DRS 9.4.11 1
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Form AEC.318 (Rev, B-53)
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