ML20058K685

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Discusses Response to Request for Info Re Postulated Pipe Failures Outside Containment
ML20058K685
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 03/08/1974
From: Ward E
NORTHERN STATES POWER CO.
To: Ziemann D
Office of Nuclear Reactor Regulation
References
NUDOCS 9102130468
Download: ML20058K685 (1)


Text

Regulatori Ndet Re NSF NORTHERN STATES POWER COMPANY M IN N E A POLI S. MIN N E SOTA 5 5401 March 8, 1974 Q

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Docket No. 50-263

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Mr Dennis L Ziemann, Chief a

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Operating Reactors Branch #2 fg gi yr

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Directorate of Licensing U S Atomic Energy Commission 4

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Dear Mr Ziemann:

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MONTICELI4 NUCLEAR GENERATING PIANT E-5979 Postulated Pipe Failures Outside Containment Your January 18, 1974 letter referencing our August 1973 report on the subject matter posed additional questions for our response.

Although your letter requested our response by March 4, in a March 1 con * ^aation with your Mr James Shea, our submission date was extenued to March 11.

Under separate cover we ne forwarding forty (40) copies l

of the required answer information.

As indicated in the answer information, the plant modi-fication to protect against feeduter pipe failures has been changed.

The altered modification work, although of limited scope, ca.inot be completed during the first q' arter of 1974 as indicated in our September 7, 1973 letter.

As you know the plant will be shut down about March 15 for a refueling outage and is expected back in service by May 15, 1974.

Our schedule is to have the feedwater line modification work completed prior to restart of the plant following the refueling outage.

Yours ery

ruly, b OL E C Ward, Director Engineering Vice Presidential Staff y4, Cc/ attachment I

o G Charnoff J G Keppler-AEC Region III q

Minnesota Pollution Control Agency -

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a u Rencuist 9102130468 740308 CF ADOCK 05000263 CF

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