ML16342B513

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Forwards BNL Repts Describing Analyses of Low Pressure & High Pressure Functions of Eccs,As Part of Review of long-term Seismic Program Final Rept.Comments & Requests for Addl Info in Encl Rept Should Be Addressed by 890210
ML16342B513
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 01/10/1989
From: Rood H
Office of Nuclear Reactor Regulation
To: Shiffer J
PACIFIC GAS & ELECTRIC CO.
Shared Package
ML16341E955 List:
References
TAC-55305, TAC-68049, NUDOCS 8901180185
Download: ML16342B513 (8)
v • d • e


Text

January 10, 1989 11r. 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 RR d

~NRC-8 LPDRs GBagchi MVirgilio NChokshi JLee RRothman BGrimes MACunningham EJordan GKnighton PDV Plant File OGC (for information only)

ACRS (10)

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION REGARDING THE DIABLO CANYON LONG TERM SEISMIC PROGRAM (LTSP)

FINAL REPORT (TAC NOS.

55305 AND 68049)

As part'f our-review of the LTSP final report we have directed our consultants at Broekbaven National Laboratory (BNL) to conduct analyses of selected systems to compare with the analyses described in the LTSP final report.

Enclosed are reports describing the BNL analyses of the low pressure and high pressure, functions of.'the emergency core cooling system.

The two reports include comments (Section 3.3) identifying areas where the BNL results differ from the results'presented in the LTSP final report.

Each BNL report also includes a,list (Section 3.4) 'of additional information needed to complete the'eview.

To maintain our schedule for review of the LTSP final

report, we. request 'that you address each of the comments and requests for additional informatio'n in the enclosed BNL reports by February 10, 1989.

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If after reviewing these questions you find that.you cannot meet the above date for all questions, we request that you inform us of this in writing by February 10, 1989, and propose an alternate date for a complete response.

The reporting and/or recordkeeping requirements contained in this letter affect fewer than ten respondents; therefore, OMB clearance is not required under P. L.96-511.

Please contact us if you have any questions regarding this request.

Sincerely, aqPg>80i85 8+0000>75 ~

pDR ADOCK 050 p~U P

Harry Rood, Senior Project Manager Project Directorate V

Division of Reactor Projects - III, IV, V and Special Projects

Enclosures:

1.

BNL Letter Report-02/Rev.l 2.

BNL Letter Report-03 cc w/encl:

See next page DR DR

PD5 HRood n

01/)0/89 01/ I /89 OFFICIAL RECORD COPY

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UNITED STATES LEAR REGULATORY COMMISSIO WASHINGTON, D. C. 20555 January 10, 1989 Docket Nos.

50-275 and 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:

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION REGARDING THE DIABLO CANYON LONG TERM SEISMIC PROGRAM (LTSP) FINAL REPORT (TAC NOS.

55305 AND 68049)

As part of our review of the LTSP final report we have directed our consultants at Brookhaven National Laboratory tBNL) to conduct analyses of

selected, systems to compare with the analyses described in the LTSP final report.

Enclosed are reports describing the BNL analyses of the low pressure and high pressure functions of the emergency core cooling system.

The two reports include comments (Section 3.3) identifying areas where the BNL results differ from the results presented in the LTSP final report.

Each BNL report also includes a list (Section 3.-4') of additional information needed to complete the review.

To maintain our schedule for review of the LTSP fina'1

report, we request that you address each of the comments and requests for additional information in the enclosed BNL reports by February 10, 1989.

If after reviewing these questions you find that you cannot meet the above date for all questions, we request that you inform us of this in writing by February 10, 1989, and propose an alternate date for a complete 'response.

The reporting and/or recordkeeping requirements contained in this letter affect fewer than ten respondents; therefore, OMB clearance is not required under P. L.96-511.

Please contact us if you have any questions regarding this request.

Sincerely, Harry Ro d, Senior Project Manager Project Directorate V

Division of Reactor, Projects - III, IV, V and Special Projects

Enclosures:

l.

BNL Letter Report-02/Rev.l 2.

BNL Letter Report-03 cc w/encl:

See next page

,c 7

Mr. J.

D. Shiffer Pacific Gas and Electric Company Diablo Canyon CC:

Richard F. Locke, Esq.

Pacific Gas 5 Electric Company Post Office Box 7442 San Francisco, California 94120 Janice E. Kerr, Esq.

California Public Utilities Commission 350 McAllister Street San Francisco, California 94102 Hs.

Sandra A. Silver 660 Granite Creek Road Santa Cruz, California 95065 Mr.

W. C. Gangloff Westinghouse Electric Corporation P. 0.

Box 355 Pittsburgh, Pennsylvania 15230 Managing Editor San Luis Obispo County Telegram Tribune 1321 Johnson Avenue P. 0.

Box 112 San Luis Obispo, California 93406 Hr. Leland M. Gustafson, Manager Federal Relations Pacific Gas and Electric Company 1726 H Street, N.

W.

Washington, DC 20036-4502 Dian M. Grueneich Marcia Preston Law Office of Dian H. Grueneich 380 Hayes Street, Suite 4

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.

c/o Richard F. Locke, Esq.

Pacific Gas and Electric Company Post Office Box 7442 San Francisco, California 94120 Dr. R. B. Ferguson Sierra Club - Santa Lucia Chapter Rocky 'Canyon Star Route Creston, California 93432 Chairman San Luis Obispo County Board of Supervisors Room 270 County Government Center San Luis Obispo, California 93408 Director Energy Facilities Siting Division Energy Resources Conservation and Development Commission 1516 9th Street Sacramento, California 95814 Ms. Jacquelyn Wheeler 3033 Barranca Court San Luis Obispo, California 93401

4 t

t Pacific Gas

& Electric Company Diablo Canyon CC:

Ms. Laurie McDermott, Coordinator Consumers Organized for Defense of Environmental Safety 731 Pacific Street, Suite 42 San Luis Ob ispo, Ca lifornia 93401 Mr. Jack McGurk, Acting Chief Radiological Health Branch=

State Department of Health Services 714 P Street, Office Building 88 Sacramento, California 95814 Regional Administrator, Region V

U.S. Nuclear Regulatory Commission 1450 Maria Lane Suite 210 Walnut Creek, California 94596 Ms. Nancy Culver 192 Luneta Street San Luis Obispo, California 93401 President California Public Utilities Commi ssion California State Building 350 McAllister Street San Francisco, California 94102 Michael M. Strumwasser, Esq.

Special Assistant Attorney General State of California Department of Justice 3580 Wilshire Boulevard, Room 800 Los Angeles, California 90010

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