ML083580072
| ML083580072 | |
| Person / Time | |
|---|---|
| Issue date: | 01/09/2009 |
| From: | Nilesh Chokshi NRC/NRO/DSER |
| To: | Heymer A Nuclear Energy Institute |
| Chokshi N, 415-1634, NRO/DSER | |
| References | |
| Download: ML083580072 (6) | |
Text
January 9, 2009 Mr. Adrian P. Heymer Senior Director, New Plant Deployment Nuclear Energy Institute 1776 I Street, NW, Suite 400 Washington, DC 20006
Subject:
NEI DRAFT WHITE PAPER, CONSISTENT SITE-RESPONSE/ SOIL-STRUCTURE INTERACTION ANALYSIS AND EVALUATION
Dear Mr. Adrian:
I am responding to your letter dated October 10, 2008, in which you provided us the subject draft White Paper for our review [Agencywide Documents Access Management System (ADAMS) Accession Number ML083020171]. This paper was an outcome of the September 25th - 26th meeting between the Nuclear Regulatory Commission staff and the Nuclear Energy Institute Seismic Issues Task Force (meeting summary is contained in a document with ADAMS Accession Number ML082950476). The paper describes one option for ground motion input to soil-structure interaction analyses.
We have reviewed the paper and find that the technical positions described in the paper are consistent with the discussions and understandings reached at the September meeting. We offer the following two comments:
(1) We suggest that reference ASCE 4-98, ASCE Standard - Seismic Analysis of Safety Related Nuclear Structures and Commentary, American Society of Civil Engineers, 1998, be removed from the White Paper as it does not pertain to the performance-based design motion, and may lead to unintended use.
(2) The last sentence in Section 3.3, Checking SSI Input Motion for the Minimum Requirement, states that check for the minimum requirement is only for the horizontal motion. For vertical analysis, site-specific FIRS can be used. We suggest that, to be consistent with the position 5.2, Vertical Spectrum, of the Regulatory Guide 1.208 and the common industry practice, the vertical spectrum should be developed using the appropriate V/H ratios.
The staff plans to incorporate the technical positions from the subject White Paper and the staff options described in the meeting summary into an Interim Staff Guidance on the consistency between the ground response and the soil-structure interaction analysis.
A. Heymer Please contact me (Nilesh.chokshi@nrc.gov; 301-415-1634) or Clifford Munson (Clifford.munson@nrc.gov; 301-415-6947) if you have any questions.
Sincerely,
/RA/
Nilesh C. Chokshi, Deputy Division Director Division of Site and Environmental Reviews Office of New Reactors
A. Heymer Please contact me (Nilesh.chokshi@nrc.gov; 301-415-1634) or Clifford Munson (Clifford.munson@nrc.gov; 301-415-6947) if you have any questions.
Sincerely,
/RA/
Nilesh C. Chokshi, Deputy Division Director Division of Site and Environmental Reviews Office of New Reactors DISTRIBUTION:
Public DSER R/F RidsNroDser RidsNroDserRgs2 RidsNroDeSeb2 RidsNroDeSeb1 RSubbaratnam, NRO RRobinson, NRO GBagchi, NRO MJardaneh, NRO BPJain, NRO RidsNroDe RidsNroDserRgs1 RidsNroDnrlNrga ADAMS Accession Number: ML083580072 OFFICE BC:RGS2/DSER/NRO BC:SEB2/DE/NRO BC:SEB1/DE/NRO DD:DSER/NRO NAME CMunson:hpm1 SSamaddar BThomas NChokshi (NChokshi for)
DATE 12/24/2008 12/31/08 01/08/2009 01/09/2009
Combination Mailing List:
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Mr. Laurence Parme Mr. Charles Brinkman Manager, GT-MHR Safety & Licensing Westinghouse Electric Co.
General Atomics Company Washington Operations P.O. Box 85608 12300 Twinbrook Pkwy., Suite 330 San Diego, CA 92186-5608 Rockville, MD 20852 Mr. David Lochbaum, Nuclear Safety Engineer Mr. Joseph D. Hegner Union of Concerned Scientists Lead Engineer - Licensing 1707 H Street, NW, Suite 600 Dominion Generation Washington, DC 20006-3919 Early Site Permitting Project 5000 Dominion Boulevard Mr. Paul Gunter Glen Allen, VA 23060 Nuclear Information & Resource Service 1424 16th Street, NW, Suite 404 Mr. Edward L. Quinn Washington, DC 20036 Longenecker and Associates Utility Operations Division Mr. James Riccio 23292 Pompeii Drive Greenpeace Dana Point, CA 92629 702 H Street, NW, Suite 300 Washington, DC 20001 Mr. Paul Leventhal Nuclear Control Institute Mr. Adrian Heymer 1000 Connecticut Avenue NW Nuclear Energy Institute Suite 410 Suite 400 Washington, DC 20036 1776 I Street, NW Washington, DC 20006-3708 Mr. Jay M. Gutierrez Morgan, Lewis & Bockius, LLP Mr. George Alan Zinke 1111 Pennsylvania Avenue, NW Project Manager Washington, DC 20004 Nuclear Business Development Entergy Nuclear Mr. W. Edward Cummins M-ECH-683 AP600 and AP1000 Projects 1340 Echelon Parkway Westinghouse Electric Company Jackson, MS 39213 P.O. Box 355 Pittsburgh, PA 15230-0355 Ms. Marilyn Kray Vice President, Special Projects Mr. Gary Wright, Manager Exelon Generation Office of Nuclear Facility Safety 200 Exelon Way, KSA3-E Illinois Department of Nuclear Safety Kennett Square, PA 19348 1035 Outer Park Drive Springfield, IL 62704
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Mr. Brendan Hoffman Ms. Vanessa E. Quinn, Chief Research Associate on Nuclear Energy Radiological Emergency Public Citizens Critical Mass Energy and Preparedness Branch Environmental Program Nuclear and Chemical Preparedness 215 Pennsylvania Avenue, SE and Protection Division Washington, DC 20003 Department of Homeland Security 1800 South Bell Street, Room 837 Mr. Lionel Batty Crystal City-Arlington, VA 22202 Nuclear Business Team Graftech Mr. Ron Simard 12300 Snow Road 6170 Masters Club Drive Parma, OH 44130 Suwanee, GA 30024 Mr. Ian M. Grant Ms. Sandra Sloan Canadian Nuclear Safety Commission Areva NP, Inc.
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Combination List:
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E-Mail:
tom.miller@hq.doe.gov tom.miller@ nuclear.energy.gov mark.beaumont@wsms.com sfrantz@morganlewis.com ksutton@morganlewis.com jgutierrez@morganlewis.com sandra.sloan@areva.com mwetterhahn@winston.com gcesare@enercon.com whorin@winston.com erg-xl@cox.net steven.hucik@ge.com david.hinds@ge.com chris.maslak@ge.com mgiles@entergy.com patriciaL.campbell@ge.com bob.brown@ge.com jim@ncwarn.org pshastings@duke-energy.com ronald.hagen@eia.doe.gov murawski@newsobserver.com Cary.Fleming@constellation.com tansel.selekler@nuclear.energy.gov trsmith@winston.com James.Beard@gene.ge.com george.stramback@gene.ge.com david.lewis@pillsburylaw.com paul.gaukler@pillsburylaw.com john.o'neill@pillsburylaw.com matias.travieso-diaz@pillsburylaw.com maria.webb@pillsburylaw.com roberta.swain@ge.com cee@nei.org jcurtiss@winston.com