ML17083B861
| ML17083B861 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 03/03/1987 |
| From: | Novak T Office of Nuclear Reactor Regulation |
| To: | Shiffer J PACIFIC GAS & ELECTRIC CO. |
| References | |
| NUDOCS 8703090422 | |
| Download: ML17083B861 (14) | |
Text
ly March 3, 1987 Docket Nos.
50-275 50-323 Mr. J.
D. Shiffer, Vice President Nuclear Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106
Dear Mr. Shiffer:
DISTRIBUTION r~n..
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Local PDR T. Novak
- 8. Grimes N. Thompson
, C.
Vogan N. Chokshi D. Jeng R. McMullen E. Rossi L. Chandler L. Reiter NRC PDR PD¹3 Rdg.
OGC J. Partlow H. Schierling ACRS (10)
I. Alterman G. Giese-Koch D. Crutchfield E. Jordan R. Ballard
SUBJECT:
DIABLO CANYON LONG TERM SEISMIC PROGRAM The staff recently briefed me on the status of the Long Term Seismic Program (LTSP), both the extensive efforts undertaken by Pacific Gas and Electric Company and our independent studies in some of the areas of the program.
The LTSP is now in its second half and is expected to be completed in mid-1988 with the submittal of a final report by you.
Substantial progress has been made in 1986 as reported in your latest quarterly Progress Report and as discussed at recent meetings.
It is evident from the numerous meetings between our staffs and consultants, including field trips, that the LTSP is a very interactive effort.
Your timely consideration of our comments and those of our consultants at the meetings has led to revisions and expansions of the program.
I expect that this type of interaction and feedback will continue to enhance the program and will reduce the review and evaluation effort by the staff and our consultants following the submittal of your LTSP Final Report.
A problem we have been facing in the past year was that of acceptable documen-tation of your efforts.
We find that your presentations at the meetings are well prepared, in depth, and provide the basis for constructive discussions during the meetings.
We also find that your quarterly Progress Reports provide the needed sumnaries of efforts that you have completed in the preceeding months.
Your providing of viewgr aphs prior to recent meetings has contributed to productive discussion at the meetings.
- However, we find that this material does not provide the type of documentation necessary for an in-depth under-standing of your ongoing efforts.
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In particular, we see a need for you to document your conclusions and decisions that impact future LTSP activities.
We realize that some of these conclusions will be preliminary.
We also recognize that such documentation will require additional effort of your staff.
Documentation in the form of detailed meeting reports could be acceptable
- since, in essence, all the information, conclusions and decisions would already have been discussed at the meeting.
We would propose that such a report be submitted within one month following the meeting.
Any preliminary information or co'nclusions should be clearly identified as such.
We made such a request at the October 20-23, 1986 meeting and understand that two reports (one on geology, seisemology and geophysics, one on ground motion) will be submitted in the near future.
We will review these reports promptly and inform you if they meet our needs.
Such reports will greatly enhance the ability of the staff and our consultants to be fully familiar with all aspects of the LTSP and to address interface issues between the various areas of the program.
Another item of importance is the deterministic comparison of the seismic design basis with the information developed as a result of the first three elements of the license condition in the Unit 1 full power license.
As indicated in the staff's summary of the December 10-12 meeting on soil-structure-interaction, we expect PGSE to submit detailed information on how this comparison will be carried out, which procedures will be used, and the rationale for assumptions made.
If you or members of your LTSP group have any questions on the above or would like to discuss the matter with us in more detail, please call me.
cc:
See next page Thomas M. Novak, Acting Director
'ivision of PWR Licensing-A
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In particular, we see a need for you to document conclusions and decisj ns that impact future LTSP activities.
We realize that some of these cphclusions will be preliminary.
We also recognize that such documentation wiI>l require additional effort of your staff.
Documentation in the form of degailed meeting reports could be acceptable
- since, in essence, all the informatjdn, conclusions and decisions would already have been discussed at the meetinpC Any preliminary
'information or conclusions should be clearly identified as s ch.
We made such a request at the October 20-23, 1986 meeting and understan that two reports (one on geology, seisemology and geophysics, one on ground motion) will be submitted in the near future.
We will review these repor'ts promptly and inform you if they meet our needs.
Such reports will greatly enhance the ability of the staff and our consultants to be fully familiar with all aspects of the LTSP and to address interface issues between he v'arious areas of the program.
Another item 'of importance is the deterministi comparison of the seismic design basis with the information developed a
a result of the first three elements of the license condition in the Unit' full power license.
As indicated in the staff's summary of the December 10-$K meeting on soil-structure-interaction, we expect PGSE to submit detailed informaP'ion on how this comparison will be carried out, which procedures will be u ed, and the rationale for assumptions made.
If you or members of your LTSP gr ou have any questions on the above or would like to discuss the matter with us in more detail, please call me.
cc:
See next page Thomas M. Novak, Acting Director Division of PWR Licensing - A
- SEE PREVIOUS CONCU RENCE PD¹3 Pp¹3 CVogan*
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r Shi f-"nr Pacific Gas ano Electric Companv Pl ab I o,.anvo i
CC:
Philip A. Crane, )r., Esq.
Pacific Gas A Electric Company Post Office Box 7442 San Francisco, California 94120 Janice E. Kerr, Esq.
California Public Utilities Commission 350 McAllister Street San Francisco, Ca'lifornia 94102 Ms. Sandra A. Silver 660 Granite Creek Road Santa Cruz, California 95065 Mr. W. C. Gangloff Westinqhouse Electric Corporation P. 0.
Box 355 Pittsburgh, Pennsylvania 15230 Manager Editor San Luis Obispo Countv Telegram Tribune 1321 Johnson Avenue 1726 M Street, N.W.
Suite l100 Washington, DC 20036-4502 Mr. Leland M. Gustafson, Manager Federal Relations Pacific Gas and Electric Company 1726 M Street, N.
W.
Washington, DC 20036-4502 Dian M. Grueneich, Esq.
Edwin F. Lowry, Esq.
Grueneich A Lowry 345 Franklin Street San Francisco, California 94102 NRC Resident Inspector Diablo Canyon Nuclear Power Plant c/o U.S. Nuclear Regulatory Commission P. 0.
Box 369 Avila Beach, California 93424 Mr. Dick Blakenburg
'Editor 5 Co-Publisher South County Publishing Company P. 0.
Box 460 Arroyo Grande, California 93420 Bruce Norton, Esq.
'/o Philip A. Crane, Esq.
Pacific Gas and Electric Company Post Office Box 7442 San Franci sco, Cal ifornia 94120 Dr.
R.
B.
Fer guson Siera Club - Santa Lucia Chapter Rocky Canyon Star Route Creston, California 93432 Chairman San Luis Obispo County Board of Supervisors Room 220 County Courthouse Annex San Luis Obispo, California 93401 Director Enerqy Facilities Siting Division Enerqy Resources Conservation and Development Commission 1516 9th Street Sacramento, California 95814 Ms. Jacquelyn Wheeler 2455 Leona Street San Luis Obispo, California 93400
CC:
Ms. Laurie McDermott, Coordinator Consumers Organized for Defense of Environmental Safety 731 Pacific Street, Suite 42 San Luis Obispo, California 93401 Mr. Joseph
- 0. Ward, Chief
'adiological Health Branch State Department of Health Services 714 P Street, Office Building 88 Sacramento, California 95814 Ys. Nancy Culver 192 Luneta Street San Luis Obispo, California 93401 President California Public Utilities Commission California State Building 350 McAllister Street San Francisco, California 94102 Regional Administrator, Region V
U.S. Nuclear Regulatory Commission 1450 Maria Lane Suite 210 k'alnut Creek, California 94596
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Pacific Gas and Electric Company Diablo Canyon CC:
Dr. S. T. Algermissen U.S. Geological Survey P. 0.
Box 25046 Mail Stop 966
,.Denver Federal Center
- Denver, Colorado 80225 Dr. Veiiti Aki Department of Geological Sciences Univer sity of Southern California Los Angeles, California 90089 Dr.
C. J. Costantino 4 Rockingham Road Spring Valley, New York 10977 Dr. James Davis State Geologist California Divison of Mines and Geology Room 1351 1416 Ninth Street Sacramento, California 95814 Dr. Ralph J. Archuleta Department of Geological Sciences University of California Santa Barbara Santa Barbara, California 93106 Dr. Steven M. Day S-Cubed P. 0.
Box 1620 La Jolla, California 92038 Mr. Don Bernreuter Lawrence Livermore Laboratory P. 0.
Box 808 Livermore, California 94550 Dr. George Gazetas JEC 4049 Renssalear Polytechnic Institute
- Troy, New York 12180-3590 Mr. Donald A. Brand Vice President, Engineering Pacific Gas and Electric Company 77 Beale Street, Room 2645 San Francisco, California 94106 Dr. David Perkins U. S. Geological Survey P. 0.
Box 25046 Mail Stop 966 Denver Federal Center
- Denver, Colorado 80225 Dr. Robert D. Brown, Jr.
U.S. Geological Service Building 8, 5'977 345 Middlefield Road Menlo Park, California 94025 Dr. Morris Reich Structural Analysis Division Building 129 Brookhaven National Laboratory
- Upton, New York 11973 Mr. Loyd S. Cluff Pacific Gas and Electric Company 77 Beale Street, Room 2661 San Francisco, California 94106 Dr.
Ken Campbell U.S. Geological Survey P.O.
Box 25046, Mail Stop'66 Denver Federal Center
Box 808 Livermore, California 94550
0
Pacific Gas and Electric Company Diablo Canyon CC:
Dr. David B.
Slemmons 2995 Golden Valley Road
- Reno, Nevada 89506 Dr. Andrew S. Veletsos 5211 Paisley Avenue
- Houston, Texas 77096 Dr. Robert Y. Mhitman Room 1-342 Massachusetts Institute of Technology Cambridge, Massachusetts 02139 Dr. Robert Youngblood Building 130 Brookhaven National Laboratory
- Upton, New York 11973
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