ML20198F611
| ML20198F611 | |
| Person / Time | |
|---|---|
| Site: | Washington Public Power Supply System |
| Issue date: | 06/13/1977 |
| From: | Cox T Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| CON-WNP-1145 NUDOCS 8605290018 | |
| Download: ML20198F611 (4) | |
Text
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jus 13 9 Docket Nos. 50-460 and 50-513 i
APPLICANT: Washington Public Power Supply System (WPPSS)
FACILITY:
lelP-4
SUBJECT:
SUIWARY OF MEETING TO DISCUSS WPPSS' ASSESSMENT OF 1872 EARTHQUAKE A meeting was held on May 25, 1977 at the Greenwood Inn, Olympia.
Narfsington, among NRC staff, the USGS, and the Washington Public Power Supply Systen and consultants. A list of attendees is attached.
~
The meeting was opened by Carl Stepp with a review of the status of the WPPSS No. 4 review and a clarification of the NRC request for infonsation concerning the potential impact of the 1872 earthquake on the seismic design basis for the unit. David Tfilson suanarized the applicant's activities related to the 1872 earthquake as follows:
The applicant has assimilated additional data and interpretations related to the 1872 earthquake. This infonnation will be subnitted to the NRC in a report about June 15, and will place the utility's interpretation of the 1872 earthquake on record. The utility is also conducting an extensive investigation.to assess the impact of the 1872 earthquake on the seismic design basis for the WPPSS No. 4 plant. This material will be submitted in a report to the NRC about August 15. The report will contain geological, geophysical andtegtonicinvestigationgwithinaregionbetpen450Nlatitude and 51 N latitude and 118 W longitude and 122 W longitude. The report will contain the results of a remote sensing investigation:
4 (1) a compilation of geologic map information from both published and unpublished sources; (2) a physiographic map; (3) a tectonic l
map; and (4) a seismotectonic map of the region. A four station array of microearthquake recorders is being operated in the vicinity of the epicenter of the 1872 earthquake (as detemined by Milne).
This information, together with the historic seismicity of the region, will became a part of the report.
A sumary of the status of the various elements of the investigation was given by the WPPSS consultants.
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NRC FORM 318 (9 76) NRCM 0240 W u... sovannessNT P=:wTime orricsa sere-sause
JUN 131977.
After a caucus the staff responded to the work discussed by WPPSS as follows:
1.
They should sutait their information on the 1872 earthquake.
l 2.
With respect to the regional tectonic studies, we suggested that the report should include a discussion of the relationship between i
structures outside the Columbia plateau region and those within the Colunbia plateau region and a discussion of the tectonic significance of the volcanic history of that region.
t 3.
The sei:mogenic properties of the Rattlesnake Wallula structure should be reconsidered in view of the 1872 earthquake data and the seismicity studies should include any infomation available on focal mechanism.
(MisnaisTM Thomas Cox, Project fianager i
Light Water Reactors Branch No. 3 Division of Project Management
Enclosure:
Attendance List cc w/ enclosure:
Washington Public Power Supply Systen ATTN:
N. O. Strand Managing Director P. O. Box 98 3000 George Washington Way Richland, Washington 99352 Mr. J. R. Schmieder i
United Engineers & Constructors, Inc.
30 South 17th Street Philadelphia, Pennsylvania 19101 Joseph B. Knotts, Jr., Esq.
DeBevoise & Liberman l
Shoreham Building, Suite 700 806 15th Street, N.W.
i Washington, D.C.
20005 Mr. E. G. 'Ard Senior Project Manager SMeck 1 ""cer C~ary or,.cF,, O. Box 1260 LWR 33 LWR 83 g,phburg, Virginia anus TCox/11m ODParr oan *
.. 6 /
/77
_6/
/17._
NRC FORM 318 (9 76) NRCM 0240 W u. s. oovamuusm? Paintime orricas sete-eas-sa4
ATTENDANCE LIST i
MEETING WITH WASHINGTON PUBLIC POWER SUPPLY SYSTD4 MAY 25,1977 f
Nuc1 car Regulatory Comission C. Stapp De Budge J. Ka11eher USGS W. n. Hays R. H. Morris J. F. Devine S. Brockman Woodward-Clyde Consultants D. Tocher Weston Geophysical R. Holt V. J. Murphy Consultant UESC H. A. Coombs WPPSS W. Kiel D. T111 son R. Chitwood A. Hosler Shannon & Wilson, Inc.
I H. H. Waldron f
4 OFFICE >
SU4N AMS >
DATE F NRC FORM 318 (9 76) NRCM 0240 W u. s. GOVERNM ENT FRINTING OFFICE: 1974=486484
MEETING
SUMMARY
DISTRIBUTION I
D k t File NRC
Participants:
C. Stepp Local PDR D. Budge TIC J. Kelleher NRR Reading LWR #3 File E. G. Case R. S. Boyd R. D. DeYoung D. B. Vassallo J. Stolz K. Kniel
- 0. Parr S. targa L. Urocker D. Crutchfield F. Williams R. Heineman H. Denton D. Muller Project Manager T. Cox Attorney, ELD H. Rushbrook IE ( 3)
ACRS (16)
L. Dreher i
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