ML20058K662

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Responds to IE Bulletin 78-10.Review Identified 27 Subj Snubbers Installed at Facility.Recommended Replacement Springs Will Be Obtained from Bergen-Paterson & Installed During Fall 1978 Refueling Outage
ML20058K662
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 08/10/1978
From: Wachter L
NORTHERN STATES POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
IEB-78-10, NUDOCS 9102130425
Download: ML20058K662 (1)


Text

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+:,y sr NORTHERN STATES POWER COMPANY MawNsApotes.wiwussora sm4os i

E August 10, 1978 l

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Mr. James G. Keppler Director - Region III Office of Inspection and Enforcement United States Nuclear Regulatory Commission i

799 Roosevelt Road Glen Ellyn, Illinois 60137 r

Dear Mr. Keppler:

i MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 i

The following is submitted in reply to IE Bulletin No. 78-10:

It has been determined that there are 27 of the subject snubbers installed at the Monticello Nuclear Generating Plant. Of these I

27 units,18 are located on Recirculation System lines inside the

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drywell, 5 units are located on RHR lines outside the drywell, and 4 units are located on Core Spray lines outside the drywell.

Recommended replacement springs will be obtained from Bergen-Paterson

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and will be installed in the subject snubbers during the 1978 fall

' refueling cutage.

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Yours very truly, I

L.

. Wachter i

Vice President Power Production and System Operation cc:

Mr. G. Charnoff j

NRC Office of Inspection and Enforcement j

Washington, D.C.

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'A% 141978 i

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9102130425 780810 o,\\

CF ADOCK 05000263 jAf U CF a

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