ML20236D034

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Notification of ACRS Subcommittee 750218 & 19 Meetings W/ Util,Westinghouse & USGS in San Luis Obispo,Ca for Review of Plant.Proposed Agenda Encl
ML20236D034
Person / Time
Site: Diablo Canyon, 05000000
Issue date: 02/06/1975
From: Hirons T
Office of Nuclear Reactor Regulation
To: Parr O
Office of Nuclear Reactor Regulation
Shared Package
ML20236A877 List: ... further results
References
FOIA-87-214 NUDOCS 8707300278
Download: ML20236D034 (4)
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! Docket Nos. 50-275 /

ard 50-323 1 ..

! Olan D. Parr, Chief, Light Water Reacters Project Btunch 1-3, RL IURTH00HING ACRS SUBC0ftGTHE MEETING - DIABLO CANYON NUCLFAR POWER l

STATION, UNITS 1 AND 2 (OL)

Date and Time: Tuesday, February 18, 1975 9:00 A. M. - 7:00 P. M.

t Wednesday, February 19, 1975 8:30 A. M. - 2:00 P. M.

Location: Royal Inn i 214 Madonna Road San Luis Obispo, California

Purpose:

ACRS 9A~=mittee review of the Diablo .{

Canyon Nuclear Ibwer Station (See attached agenda)..

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Participants:

ACRS SUB00ttHTTEE (Dr. D. Okrent, Dr. S. Bush, L. Fox)

CONSULT /JES .

(It'. G. h@>, Dr. B. Page, Dr. J. Wilson, Dr. M. Trifunic, Dr. M. White, K. Steintrugge, J. Ebersol, E. Koffman)

ACRS STAIT (J. Corran)

PACIFIC GAS AND ELECTRIC COMPANY

, (W. J. Lirvthlmi, J. B. Hoch, H. J. Gamley,  ;

D. Nielsen, E. P. Wollak, R; B. Bettirger, i R. D. Ramsay)

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8707300270 870721 '

PDR FOIA CONNOR87-214 PDR

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FEB. 061975

-2 CONSULTA!ES (PACIFIC GAS NE) Dll:TRIC COMPA1N)

(G. H. Ihmilton, S. W. Smith, R. Jahns)

WESTIIG OUSE (J. W. Dowycott, D. Peacock)

IBC - SIAFF (J. C. Stepp, R. B. McMullen, R. B. Ibfrann, L. G. lidran, M. L. Fliegel, K. K. Yapur, U. h411, H. R. Denton, O. D. Parr, l D. P. Allison, T. J. Hirors)

USGS (F. McKeown, J. Devine, F. Ibuser)

Original Signed By Dennis P. Allison

- 'Iharas J.11 irons Light Water React xs Project Branch 1-3 Division of React x Licensing

Enclosure:

Agenia oc w/ercl:

Mr. John C. Marrissey Philip A. Crarwt, Jr. , Esq.

Ardrew J. Skaff, Esq.

Mr. Frederick Eiseler Ms. Elizabeth E. Apfelberg Ms. Sandna A. Silver Mr. John Fxster Mr. Loslaie Valentire .

Mr. Utiliam P. Cxmell l Mr. W. J. Lirdblad Mr. J. W. Darrycott Mr. James F. Devine Mr. Fred 1buser l Mr. Frank McYawn o,,,u ,. Rh: . p -3 y

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L. . , - . . . . . , . . . . . , . . - , . .

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. PROPOSED AGENDA

'r DIABLO CANYON UNITS 1 & 2 SUBCOMMITTEE MEETING

  1. FEBRUARY 18-19, 1975 - SAN LUIS OBISPO, CALIFORNIA-PRINCIPAL SP0rISMEN: W. J. Lindblad - PG&E, Project Manager Tom Hirons - Project Manager, Reg. Staf f TUESDAY. FEBRUARY 18, 1975 (30 min.) 1. Executive Session - CLOSED -(8:30 a.m. - 9:00 a.m.)

(5 min.) II. Introductory Statement (PG&E)

A. Brief Description of Site Location / Layout B. Construction Status - Units 1 & 2  !

C. Fuel Lead / Opera tion Schedule (15 min.) III. Project Review Summary and Status Report (DL)

A. Update on Sept., 1974 SER Unresolved / Outstanding Items '

B. Resoluiion/ Status of ACRS CP Letter Items (2 hrs.) IV. Site Characteristics A. Geology / Seismology .

- 1. Detailed Status of DL Review (DL/USGS)

2. Applicant Presentations (PG&E) a) Basic Geologic /Scismic Data b) Vibratory Ground Motion c) Surface Faulting d) Of fshore Seismic Interpretation Program l e) Determination of SSE and Seismic Design "g" Value f or Site l (30 min.) B. Tsunami Analysis (Model/ Analysis / Review Status) (PG&E/DL) l (15 min.) C. Tornado Design / Criteria
l. Applicant Presentation (PG&E)
2. Conformance to Current Criteria (DL)
3. Systems for safe Shutdown Weakly Protected (PG&E/DL)

(15 min.) D. Other Site Characteristics

1. Meteorology, Hydrology, Demography, etc.

(PG&E)

(1 hr.) V. Seismic Design (PG&E/DL)

A. Design Criteria for Containment / Major Components B. Signifi: ant Changes in Design Since CP Stage C. Design Criteria / Qualification Requirements for Safety-Related Instr.

D. Stress Levels at 0.4g/0.5g/ Higher "g" values

1. Safety-Related Systems Most Vulnerable to Seismic Events E. Possible Effect on Non-Seismic Class I System Failure on Safety (15 min.) VI. Experimental Confirmation of Seismic Design Aspects (30 min.) VII. Seismic Scram (PG6E/DL)

A. Existing Designs /Available Methods B. Experience 6 Reliability Considerations

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  • Proposed' Agenda - Diablo ' 2-1/28/75 SUBCQ4MITTEE CAUCUS - CLOSED SESSION

- (15 min.) VIII. Systems Interactions (PG&E/DL)

(reference letter, dated 11/8/74. WRS to Muntzing) ,

y Adjourn meeting at 7:00 p.m.

WEDNESDAY -~ FEBRUARY 19, 1975 ,.

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(30 min.) I. Executive Session - Closed-(8:00 a.m. 8:30 am)

(30 min.) II. Reactor (PG&E)

A. Brief Description of Major Features / Comparison with Existing Designs "

B. ECCS/LOCA - Appendix K Evaluations.

1. Unit 1/ Unit 2 Results - Comparison with Existing Designs
2. Limiting F calculated for Unit 1/ Unit 2
3. Status /Sch dule for Completion  ;

. C. Power Distribution Control Method - Ex-core /APDMS/ l COAC (PGE/DL/H)

D. Significant changes in Design from CP Stage E. Status of 17xl? Verification / Review (15 min.) III. Electric Power Systems (One Line Diagram) (PG6E)

A. Offsite Power  ;

B. Onsite Power j Emergency Power C.

D. Reliability Considerations - Diesel Qualifications j

' .q (15 min.) IV . Emergency Plan (PG6E)

(15 min.) V. Industrial Security - Closed (PG&E)

(?? ) VI. Resolution / Status of Generic Items (PG&E)

A. List ??

B. List ??

C. List ??

(20 min.) VII. Plant Items (PG&E/DL)

A. Brief Description of Plant / Layout C. Major Design Changes Since CP Stages C. Lessons Learned from Operating Experience /Related Design Changes VIII. Lockout of Power-Operated ESF Valves (PG&E/DL)

Adjourn Meeting at 2:00 p.m.

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