ML16341E922

From kanterella
Jump to navigation Jump to search

Summary of 880912-15 Public Meetings W/Util Re PRA & long-term Seismic Program for Plant.Agenda & Lists of Attendees Encl
ML16341E922
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 11/21/1988
From: Rood H
Office of Nuclear Reactor Regulation
To:
Office of Nuclear Reactor Regulation
References
TAC-55305, TAC-68049, NUDOCS 8812290245
Download: ML16341E922 (20)


Text

cpR AEONS 0

Op nO IIh

~O

+w*w+

DOCKET NOS.:

50-275 and 50-323 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, O. C. 20555 November 21,'1988 APPLICANT:

FACILITY:

PACIFIC GAS AND ELECTRIC COMPANY (PGSE)

DIABLO CANYON NUCLEAR POWER PLANT, UNITS 1

AND 2

SUBJECT:

SUMMARY

OF SEPTEMBER 12-15, 1988 PUBLIC MEETING TO DISCUSS PROBABILISTIC RISK ASSESSMENT, DIABLO CANYON LONG TERM SEISMIC PROGRAM (LTSP,)

(TAC NOS.

55305 AND 68049)

On September 12-15, 1988 the NRC staff and its consultants met with PGSE to discuss the recently submitted probabilistic risk assessment (PRA) for Diablo Canyon.

The agenda for the meeting is given in Enclosure 1.

Attendees at each day of the meeting are given in Enclosures 2 through 5.

At the conclusion of the meeting, the NRC staff identified a list of additional information that it needs to complete its review of the Diablo Canyon PRA.

The additional information is described below.

1.

Detailed information on four plant systems selected by the NRC staff for a comprehensive review.

The information -required includes analyses; drawings; diagrams; surveillance, maintenance, operating, and emergency procedures; etc.

The four selected systems are:

A.

High pressure safety injection system B.

Low pressure safety injection system

. C.

Auxiliary salt water system D.

Electrical systems 2.

Appendix D, E and J of the detai.led 'Diablo Canyon PRA report that was brought to the meeting by PGSE.

Also needed are:

A.

Mapping information relating event tree sequences to end states.

B.

One-'1ine diagrams for the AC and DC vital busses.

C.

Copies of the FSAR and the Technical Specifications for staff consultants.

D.

Digital information (computer files) on leading sequences, split fractions, and failure rates.

3.

Human factors PRA methodology information.

4.

Relay chatter PRA methodo logy informa tion.

5.

Data methodology information.

6.

Seismic quantification information.

8312290245 33ii2i poR soocK oooooz7o I

p poc PP I

1

November 21, 1988 The staff notes that a number of the above items have been submitted to the staff since the meeting by PGSE letters dated October 10, 1988 and October 28, 1988.

The remaining information is scheduled for submittal by mid-November, 1988.

During the September 12-15, 1988 meeting, the staff and its consultants presented the results of studies conducted on the Diablo Canyon auxiliary feedwater

system, the solid state protection system (part of the engineered safety features actuation system),

and the reactor protection system.

Draft reports on these studies will be transmitted to PGSE, in conjunction with a request that the issues raised by the studies be addressed.

At the conclusion of the meeting, the NRC staff stated that the meeting had been productive in giving an overview of the Diablo Canyon Probabilistic Risk Assessment, and in identifying the additional information needed to proceed with the staff review of the PRA.

Enclosures:

1.

Meeting Agenda 2.

Attendees, 09/12/88 3.

Attendees, 09/13/88 4.

Attendees, 09/14/88 5.

Attendees, 09/15/88 cc: w/enclosures See next page Harry Rood, Senior Project Manager Project Directorate V,

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

November 21, 1988 The staff notes that a number of the above items have been submitted to the staff since the meeting by PGINE letters dated October 10, 1988 and October 28, 1988.

The remaining information is scheduled for submittal by mid-November, 1988.

During the September 12-15, 1988 meeting, the staff and its consultants presented the results of studies conducted on the Diablo Canyon auxiliary feedwater

system, the solid state protection system (part of the engineered safety features actuation system),

and the reactor protection system.

Draft reports on these studies will be transmitted to PGIIE, in conjunction with a request that the issues raised by the studies be addressed.

At the conclusion of the meeting, the NRC staff stated that the meeting had been productive in giving an overview of the Diablo Canyon Probabi listic Risk Assessment, and in identifying the additional information needed to proceed with the staff review of the PRA.

Enclosures:

1.

Meeting Agenda 2.

Attendees, 09/12/88 3.

Attendees, 09/13/88 4.

Attendees, 09/14/88 5.

Attendees, 09/15/88 cc: w/enclosures See next page original signed by Harry Rood Harry Rood, Senior Project Manager Project Directorate V

Division of Reactor Projects - III, IV, V and Special Projects DISTRIBUTION EJordan NRC II Local-PDRs BGrimes PD5 Reading NRC Participants MVirgilio ACRS (10)

HRood MJohnson (Region V)

DRSP/PD5 DRSP/D:PD5 HRood:dn GRKnlghhon 11/p/88 lib//88 OFFICIAL RECORD COPY

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 Ms. 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 Mr. Leland M. Gustafson, Manager Federal Relations Pacific Gas and Electric Company 1726 M Street, N.

W.

Washington, DC 20036-4502 Dian M: Grueneich Marcia Preston Law Office of Dian M. 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

Pacific Gas E,Electric Company Diablo Canyon CC:

Ms. Laurie McDermott, Coordinator Consumers Organized for Defense of Environmental Safety 731 Pacific Street, Suite 42 San Luis Obispo, California 93401 Mr. Jack McGurk, Acting Chief Radiological Health Branch State Department of Health Services 714 P Street, Office Building b'8 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 Commission 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

\\

ENCLOSURE 1

NRC/PGKE MEETING REVIEW OF PROBABILISTIC RISK ANALYSIS DIABLO CANYON LONG TERM SEISMIC PROGRAM ROCKVILLE, MARYLAND SEPTEMBER 12-15, 1988 PURPOSE OF MEETING 1.

Provide an overview of PRA results for NRC management.

2.

Review analysis and model with NRC/Reviewers.

3.

Discuss status of NRC review of previously submitted materials.

MONDAY, SEPTEMBER 12 9:00 a.m.

Introductory Comments

~

NRC

~

PGKE 9:30 a.m.

PRA Summary Overview and Results PGKE

~

Discussion of IPE Issues 11:30 a.m.

Discussion

~

PRA Review Process and Schedule

~

NRC Documentation Requirements for LTSP 12:00 noon Lunch I:00 p.m.

PRA Working Session

~

BNL Presentation of Preliminary Results

~

Backup Data Organization

~

Seismic guantification TUESDAYS SEPTEMBER 13 THROUGH THURSDAYS SEPTEMBER 15 9:00 a.m.

~

Sequence Example [Offsite Power]

~

Human Actions

, ~

Data Analysis

~

Other External

ENCLOSURE 2 ATTENDEES I

Public Meeting on Probabilistic Risk Assessment Diablo Canyon Long Term Seismic Program Monday, September 12, 19SS Bharet Agrawal Goutam Bagchi Richard Barrett William Beckner Michael P.

Bohn George Bozoki Unte Cheh John T.

Chen Nilesh Chokshi Lloyd S. Cluff Franklin Coffman Mark Cunningham Adel El-Bassioni Robert G. Fitzpatrick Carl Johnson Glenn Kelly George Knighton Barclay Lew Chang-Yang Li R. T. Locke Lambros Lois Kamal Manoly Dick McMullen Joseph A. Murphy Doug Naaf Raman Pichumani Dale Rasmuson Leon Reiter Harry Rood Robert Rothman George Sarkisian Bruce D. Smith Ashok Thadani Raymond Thierry Michael R. Tresler Harold Vandermolen Ben Vogler Bob Youngblood George Wu ORGANIZATION NRC/RES/PRAB NRC/NRR/ESGB NRC/NRR/RAB NRC/RES/SAIB Sandia (NRC)

BNL (NRC)

NRC/RES/SAIB NRC/RES/SAIB NRC/RES/PRAB PG5E NRC/RES/HFB NRC/RES/PRAB NRC/NRR/RAB BNL (NRC)

NRC/RES/RHFB NRC/NRR/DREP NRC/NRR/PDV PG8.E NRC/NRR/SPLB PGSE NRC/NRR/SRXB NRC/NRR/EAD NRC/RES/SSEB NRC/RES/DSR PGEE NRC/NRR/EGSB NRC/RES/HFB NRC/NRR/EGSB NRC/NRR/PDV NRC/NRR/ESGB PGSE PGSE NRC/NRR/SAD PGKE PG&E NRC/RES/PRAB NRC/OGC BNL (NRC)

PGSE

A

ENCLOSURE 3

ATTENDEES Public Meeting on Probabi listic Risk Assessment Diablo Canyon Long Term Seismic Program

Tuesday, September 13, 1988

" NAME ORGAN IZATION Michael P.

Bohn George Bozoki Nilesh Chokshi Lloyd S. Cluff Robert G. Fitzpatr ick Peter Kohut Barclay Lew Harry Rood H. Sabek Bruce D. Smith Raymond Thierry Michael R. Tresler Sandia (NRC)

BNL (NRC)

NRC/RES/PRAB PGSE BNL (NRC)

BNL (NRC)

PG&E NRC/NRR/PDV BNL (NRC)

PG8IE PGSE PGSE

I'L

ENCLOSURE 4 ATTENDEES Public Meeting on Probabi listic Risk Assessment Diablo Canyon Long Term Seismic Program Wednesday, September 14, 1988 NAME ORCAN IZATION Michael P.

Bohn George Bozoki Ni lesh Chokshi Robert G. Fitzpatrick Peter Kohut Barclay Lew Harry Rood M. Sabek Bruce D. Smith Raymond Thierry Michael R. Tresler Sandia (NRC)

BNL (NRC)

NRC/RES/PRAB BNL (NRC)

BNL (NRC)

PG8IE NRC/NRR/PDV BNL (NRC)

PGSE PGSE PGSE

tO

ENCLOSUPE 5

ATTENDEES Public Meeting on Probabilistic Risk Assessment Diablo Canyon Long Term Seismic Program

Thursday, September 15, 1988 NAME ORGANIZATION George Bozoki Nilesh Chokshi Mark A. Cunningham Robert G. Fitzpatrick Peter Kohut Barclay Le>v Joseph A. Murphy Leon Reiter Harry Rood M. Sabek Bruce D. Smith Raymond Thierry Michael R. Tresler Harold Vandermolen G.

C.

Hu

'NL (NRC)

NRC/RES/PRAB NRC/RES/PRAB BNL (NRC)

BNL (NRC)

PGSE NRC/RES/DSR NRC/NRR/EGSB NRC/NRR/PDV BNL (NRC)

PGSE PGKE PGSE NRC/RES/DSR PGSE

L,j

~

k