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Updates Seismic Qualification of Overhead Transmission Path Described in .Tables Encl
	ML19322B721
Person / Time
Site:	Oconee
Issue date:	01/17/1977
From:	Parker W; DUKE POWER CO.
To:	Schwencer A; Office of Nuclear Reactor Regulation
References
	NUDOCS 7912050723
	Download: ML19322B721 (6)
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Updated tables to seismic qualification Of transmission path......(1 cy enc 1 rec'd)

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DUKE POWER COMPANY POWER UUILDINO 422 SocTu Cirencu SrneET, CnAutoTTE. N. C. 28242

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January 17, 1977

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aa PeO D C'.O'e 373-4093 Mr. Benard C. Rusche, Director el Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission of 4 ff I8 g' v

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20555 Attention:

Mr. A. Schwer. 2r, Chief

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Operating Reactor Branch #1 M

w Referenec: Oconee Nuclear Station ff Docket Nos. 50-269, -270, -287 (ILL

Dear Sir:

My letter dated October 7,1976 described the seismic qualification of the overhead transmission path from Keowee Hydro Station to Oconee Nuclear Station.

Ti.e attached tables provide an updated status of this qualification effort. Changes in status have been indicated by vertical lines in the margin by the affected item. Additional supplementary reports will be submitted to appraise you of our progress in this endeavor.

Very truly yours.

T

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- William O. Parker, Jr. ;

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TAI 51.E II Sheet 2 of 2 BASIS OF equip!ENT TYPE IDENTIFI G rION OUAI.! F I ED METil0D OUAl.I F ICATIO::

13.

230KV Swyd. Relay Panels & Equipment See Note 3 Test / Analysis 0.36g 14.

230KV Swyd. Relay flouse Roof Drain Pipe See Note 4 Analysis 0.36g 15.

230KV Swyd. Relay llouse llVAC Duet See Note 4 Analysis 0.36g 16.

230KV Swyd. Relay llouse Air llandling See Note 4 Analysis

0. 3 6 g.

Unit Note 1:

Analysis incomplete.

Scheduled to be completed by March 1, 1977.

Note 2:

Analysis incomplete.

Scheduled to be completed by March 1, 1977.

Note 3:

Analysis complete. Modification design to be completed by February 1, 1977.

l Note 4:

Flino r field modifications are to be made.

Modification design completed.

l 9

- - - - - -

ML19322B721

Text

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