ML17297A637

Summary of 810714-16 Meeting W/Bechtel & Util Re Mechanical Design of Facilities

ML17297A637
Person / Time
Site:	Palo Verde
Issue date:	07/28/1981
From:	Kerrigan J Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
References
NUDOCS 8108070009
Download: ML17297A637 (6)

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Docket No.:

50-528/529/530 APPLICANT:

ARIZONA PUBLIC SERVICE COMPANY us.~~

~Natal i4 rr ro FACILITY:

PALO VERDE NUCLEAR GENERATING STATION, UNITS,1', 2, AND 3

SUMMARY

OF MEETING TO DISCUSS THE t1ECHANICAL DESIGN OF PALO VERDE On July 14-16, 1981 the staff met >~1th representatives of Bechtel and APS to discuss the draft SER pertaining to the mechanical design aspects of the Palo Verde balance-of-plant (BOP) design.

The draft SER was transmitted to APS by letter dated June 22, 1981.

APS agreed to submit draft documentation of the meeting (including responses to the staff's questions) by July 31, il,981.

All material needed by the staff to complete our SER will be formally submitted no later than August 31. 19&1.

During the course of the meeting, the following significant issues were discussed:

1)

APS agreed to use NRC criteria in determining pipe break locations for Class I piping; 2)

APS agreed to perform evaluations that demonstrate that worst case breaks in non-seismic Category I piping will not affect the ability of safety-related equipment or components from performing its function; 3) the procedures used to assure that CESSAR interface requirements are met twerp-; discussed and audited; 4) the use of two instead of five OBE occurrences in fatigue calculations was discussed.

s 5) the staff discussed with CE design stress exceeding 110% of design pressure used in the analysis of primary system components for non-ATNS events; 6) the stress analyses for the reactor coolant loop and its supports are not standardized; therefore, each plant referencing CESSAR must provide a summary of the analyses results.

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Participants:

Kerrigan G. Lear S.

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Z. Rosztoczy I,".,Haass D. I!;)lie)

R. Bal lard l!. Rcgan R. Nattson P.

Check H. Srinivasan

0. Par" F.

Rosa I!. Cutie)

I!reger R.

IIous ton T. Ilurphy L. Rubenstein T. Speis l!. Johnston S. Ilanauor

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A Thadani D. Tondi J.

Kramer D. Vassallo P. Collins D. Ziemann E.

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Mr. E.

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Van Brunt, Jr.

Vice President - Nuclear Projects Arizona Public Service Company P. 0.

Box 21666

Phoenix, Arizona 85036 PALO VERDE CC:

Arthur C. Gehr, Esq.

Snell

& Wilmer 3100 Valley Center

Phoenix, Arizona 85073 Charles S.

P ierson Assi stant Attorney 'General 200 State Capitol 1700 West Washington Phoenix, Arizona 85007 David N. Barry, Esq.,

Senior Counsel Charles R. Kocher, Esq., Assistant Counsel Southern California Edison Company P. 0.

Box 800

Rosemead, California 91770 Margaret Walker Deputy Director of Energy Programs Economic Planning and Development Office 1700 West Washington Phoenix, Arizona 85007 Mr. Rand L. Greenfield Assistant Attorney General Bataan Memorial Building Santa Fe, New Mexico 87503 Resident Inspector Palo Verde/NPS U.S. Nuclear Regulatory Commission P. 0.

Box 21324 Phoenix, Arizona 85001 Ms. Patricia Lee Hourihan" 6413 S. 26th Street

Phoenix, Arizona 85040 Bruce Meyerson Arizona Center for Law in the Public Interest 112 North fifth Avenue Phoenix, Arizona 85003

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