ML20041D311
| ML20041D311 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 02/12/1982 |
| From: | Jeffery Grant Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8203050195 | |
| Download: ML20041D311 (5) | |
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Docket Hos.: 50-424
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and 50-425 CNeu n J
tec APPLICANT: Georgia Power Company
['m FACILITY:
Alvin W. Voqtle Nuclear Plant, Unit Nos.1 and 2
SUBJECT:
SUMMARY
OF HEETING WITH GEORGIA POWER C0ftPANY TO DISCUSS THE USE OF A 15% DAMPING FACTOR FOR THE DESIGN OF THE CABLE TRAY SUPPORTS A neeting was held at NRC Headquarters, 7920 Norfolk Avenue, Bethesda, Maryland on Wednesday, February 3, 1982. The applicant, Georgia Power Company (GPC), was represented by members of GPC, Southern Company Services, and Bechtel Power Corporation. The NRC was represented by members of the Division of Licensing and Division of Engineering,_ Structural Engineering Branch (SEB). An attendance list is attached (Enclosure 1).
On December 9,1981, by way of a conference call, the applicant infomed the NRC of its use of higher damping values in the design of Vogtle's cable tray supports. At that time the staff raised certain issues, and as a result, GPC requested this neetiieg to discuss in more detail the use of a 15% damping value for both the Operating Basis Earthquake (ORE) and the Safe Shutdown Earthquake (SSE) design, in lieu of the PSAR commitrent (for welded structures) of 2% danping for OBE and 4% damping for SSE.
Subsequent to the conference call on Deconber 9th, the applicant submitted a draft report (Ref.1) in response to issues raised by the staff. During the neeting the applicant presented additional detailed infomation that included:
a) a description of the Vogtle supports and the plant's seismic zones, b) the pertinent test data from the ANCO testing program (Ref. 2), c) the proposed design danping curve for Vogtle, and d) additional clarification to questions raised by the staff. Bar.ed on the applicant's presentation and supporting naterial, prior review and approval by the NRC staff of the 15% damping value for Callaway and Grand Gulf, and further discussion between the staff and applicant, a decisica was made by nenbers of the Structural Engineering Branch that for the Vogtle specific cable tray design, use of a 15% danping.alue for both 00E and SSE is acceptable, and the applicant may proceed with such a design.
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{ ' NRC FORM M 00-80) NRCM 00 OFFICIAL RECORD COPY usoeo: msu-=
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i Georgia Power Company RB 121982 The applicant will formally submit all reports and neeting handouts of February 3,1982 as an appendix to the Vogtle PSAR, and will reficct all changes in the FSAR uhich is to be docketed in September 1983.
4 Original ::Igned by[,'
Jane L Grant y ;',_.,'d J. M. Grant, Project Manager Licensing Branch No. 1 Division of Licensing
Enclosure:
As stated i
cc w/ encl.: See next page 9
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l References (1)
" Responses to Issues Raised by the HRC to Cable Tray Support Systen Danping Values," Vogtle Electric Generating Plant, January 4,1982.
(2)
" Cable Tray and Conduit Raceway Seismic Test Program - P.elease 4 (Final)," Test Report #1053-21.1-4, December 15, 1978, ANCO Engineers, Inc.
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a Mr. Doug Du'tton
._Vice President - Project.
Management Georgia Power Company P. O. Box 4545 Atlanta, Georgia 30302 cc: Mr. L. T. Gucwa Chief Nuclear _ Engineer Georgia Power Company P. O. Box 4545 Atlanta, Georgia 30302 Mr. Ruble A. Thomas Vice President Southern Services, Inc.
P. O. Box 2625 Birmingham, Alabama 35202 Mr. J. A. Bailey Project Licensing Manager l
Southern Company Services, Inc.
P. O. Box 2625 Birmingham, Alabama 35202 George F. Trowbridge, Esq.
Shaw, Pittman, Potts and Trowbridge 1800 M Street, N. W.
Washington, D. C.
20036 Mr. D. O. Foster Georgia Power Company P. O. Box 4545 Atlanta, Georgia 30302 Mr. James P. O'Reilly Nuclear Regulatory Commission Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 -
Mr. William S. Sanders Resident Inspector / Nuclear Regulatory Commission Post Office Box 572 Waynesboro, Geo'rgia 30830 m
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e 2/3/82 ATTENDANCE LIST NRC Staff Georgia Power Corgga,gy Jane M. Grant D. O. Foster Dave Jeng Sai Chan Rom Lipinski Southern Company Services Jim Bailey Ozen Batum i
Bethtel Power Corporation D. S. Jagannathan D. L. Houghton M. Malcom A. H. Hadjian i-R. B. Linderman Kenneth Lee f
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MEETING
SUMMARY
DISTRIBUTION
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Docket file G. Lear W. J hnston NRC PDR FEB 121932 Local PDR S. Pawlicki 9
4 TI.C/NSIC/ Tera V. Benaroy Z. Roszto
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LB#1 Reading W. Haass RECE!VED H. Denton/E. Case D. Muller T FEB 22 O2A ','
R. Ballar ur$;$S/[Q5,'ig44' */
D. Eisenhut/M. Jambor W. Regan R. Mattson L Mc
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B. J. Youngblood 47
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A. Schwencer F. Congel
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- 0. Parr J. Miller F. Rosa G. Lainas W. Butler R. Vollmer J. P. Knight R. Houston R. Bosnak F. Schauer L. Ruben:tein R. E. Jackson T. Speis Project Manager J. 11. Q. a:
M. Srinivasan Attorney, OELD J. Stolz M. Rushbrook S. Hanauer 0IE (3)
W. Cammill ACRS (16)
W. 7; inners F. $chroeder E. Adensam D. Skovholt M. Ernst NRC
Participants:
L. Hulman C. Berlinger J. !!. onmt K. Kniel D. Jenc G. Knighton
'hi Chan A. Thadani l
Ron I.ipinski-J, Kramer i
D. Ziemann bcc: Applicant i Service List l