ML20127H501

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Informs That During Recent Refueling Outage,All Limitorque Valve Operators at Plant Were Inspected to Verify Info Previously Reported in Submitted in Response to Bulletin 72-03
ML20127H501
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 06/22/1973
From: Wachter L
NORTHERN STATES POWER CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
IEB-72-03, IEB-72-3, NUDOCS 9211180528
Download: ML20127H501 (1)


Text

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M NORTHEHN STATES POWER COMPANY Minneapolis, Minnesota 55362 g)b b June 22, 1973 Mr. Boyce Grier, Regional Director Directorate of Regulatory Operations,. Region III United States Atomic Energy Cmunission 799 Roosevelt Road Glen Ellyn, Illinois 60137 4

Dear Mr. Grier:

}OYrICELLO NUCLEAR GENERATING PIMr Docket No. 5J-263 License No. DPR-22 Correction of Response to Regulatory Operations Bulletin No. 72-3 During the recent refueling outage all Limitorque valve operators at the

&nticello Nuclear Generating Plant were inspected to verify information previously reported in our January 19, 1973, letter which was submitted in response to Regulatory Operations Bulletin No. 72-3. 'Ihe previous infonnation, whici was based on a review of purchase records, was found to be incorrect.

It has been detennined that 12 unit size 98-00 and 22 unit size 90-000 valve operators are installed at Monticello, lhwever, only two of these are of the vintage described in the bulletin. These two operators are installed in the main turbine steam scal system. Although no malfunctions have been experienced, the torque switches for these two operators will be replaced prior to the end of the next refueling outage.

Yours very tnily, k'gWachter,VicePresident 2dA L. J. -

Power Production 6 System Operations IJW/kik cc: G Charnoff Minnesota Pollution Control Agency Attn: K Dzugan 9211180528 730622 gDR ADOCK 05000263 PDR

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