ML19253B495

Requests Attendance by NRC Personnel at 791205 Meeting to Discuss Design Changes Re Pool Dynamic Loads

ML19253B495
Person / Time
Site:	Zimmer
Issue date:	10/10/1979
From:	Borgmann E CINCINNATI GAS & ELECTRIC CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
References
NUDOCS 7910160301
Download: ML19253B495 (2)

Text

-L THE CINCINNATI GAS & ELECTRIC COh!PANY -71M _ # N CINCIN N ATI. OHIO 4 520t IE. A. BORG M AN N vict pacsiorwr Docket No. 50-358 October 10, 1979 Mr. Harold Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C. 20555 RE: WM. H. ZIMMER NUCLEAR POWER STATION -

UNIT 1 - CONTAINMENT DESIGN PROGRAM

Dear Mr. Denton:

On October 4, 1979, Messrs. J. D. Flynn and H. C.

Brinkmann of The Cincinnati Gas & Electric Company called Messrs. I. A. Peltier and Clifford Anderson requesting a meet-ing with the NRC to discuss design changes being implemented on thE Zimmer Project in conjunction with Pool Dynamic Loads.

The meating has been tentatively scheduled for December 5, 1979.

A proptsed agenda is attached.

CG&E,' S&L, and GE personnel will be in attendance.

We would request that we be able to n.at with the NRC Director responsible for containment issues, the Project Manager, and representatives from the Containment Systems Branch and the Structural Engineering Branch.

Very truly yours, THE CINCINNATI GAS & ELECTRIC COMPANY By ,[ '"

E. A. BORGMANN Senior Vice President EAB: dew Enclosure

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PROPOSED AGENDA

1. Loads Being Considered A. NRC MK II Criteria. Confirm its application with particular attention to submerged structures and bracing.

B. Additional Conservatisms a) Reasons for adding them.

b) Outline judgements used in developing load specification.

2. Plant Modifications Being Implemented

c. Dryvell a) Pipes and Supports.

b) Steel and Structural Members.

B. Wetwell a) Pipe Re-rcoting.

b) Quencher Arrangements.

c) Downcomer Bracing.

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