ML20206S033

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Submits Annual Rept of Safety & Relief Valves Failure & Challenges
ML20206S033
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 01/20/1999
From: Hammer M
NORTHERN STATES POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
RTR-NUREG-0737, RTR-NUREG-737 NUDOCS 9901270210
Download: ML20206S033 (1)


Text

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N l Northern States Power Company l l

Monticello Nuclear Generating Plant j 2807 West County Road 75 '

, Monticello, MN 55362 1 January 20,1999 Tech Spec Section 6.7.A.6 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Annual Report of Safety Relief Valve Challenges January 1 through December 31,1998 in accordance with Monticello Technical Specification section 6.7.A.6, and NUREG 0737 item II.K.3.3, the following Annual Report of Safety and Relief Valve Failures and Challenges is provided:

Failures For the period of January 1,1998 to December 31,1998, no SRV failures occurred.

Challenges On April 24,1998 following the 1998 refueling outage, all eight main steam safety / relief valves (SRVs) were manually opened at reactor pressure of approximately 150 psig in accordance with a surveillance test performed during plant startup.

This letter contains no new NRC commitments, nor does it modify any prior commitments. /

Please contact Sam Shirey at (612) 295-1449 if you require additional information concerning I g

this report.

0MtW ( DO Michael F. Hammer Plant Manager 2700 N, Monticello Nuclear Generating Plant cc: Director, Office of Nuclear Regulatory Research Regional Administrator-Ill, NRC NRR Project Manager, NRC Resident inspector, NRC State of Minnesota, Attn: Kris Sanda 9901270210 990120 ~

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