Morning Report for April 6, 2001
Headquarters Daily Report APRIL 06, 2001 *************************************************************************** REPORT NEGATIVE NO INPUT ATTACHED INPUT RECEIVED RECEIVED HEADQUARTERS X REGION I X REGION II X REGION III X REGION IV X PRIORITY ATTENTION REQUIRED MORNING REPORT - REGION III APRIL 6, 2001 Licensee/Facility: Notification: Nuclear Management Company MR Number: 3-01-0006 Monticello 1 Date: 04/04/01 Monticello,Minnesota 4/4/01,Resident Inspctr.Tel.,E-mail Dockets: 50-263 BWR/GE-3 Subject: Plant Startup from Unplanned Maintenance Outage Discussion: On February 25, 2001, the unit entered an unplanned outage following licensee determination that inservice testing requirements of Section XI of the ASME Boiler and Pressure Vessel Code were not being completed for several safety-related check valves in various safety systems (see Event No. 37780). Subsequently, the licensee discovered additional Code nonconformances and design basis issues during an extent-of-condition review, and determined that additional corrective actions were necessary before unit restart. These actions included, but were not limited to: upgrade of several turbine building walls for HELB (Event No. 37830), correction of torus to drywell vacuum breaker opening torques (Event No. 37823), modifications to various 4160 V ac breakers to correct hot short issues (Event No. 37772), and reanalysis of design basis torus cooling time initiating time limits (Event No. 37765). Following completion of corrective actions, the licensee has restarted the unit. The unit main generator was synchronized to the grid at 0716 on April 4, 2001. NRC resident and regional inspectors will continue to monitor ongoing activities and the licensee's long-term corrective actions. Regional Action: This is for information only. Contact: BRUCE BURGESS (630)829-9629 _
Page Last Reviewed/Updated Wednesday, March 24, 2021
Page Last Reviewed/Updated Wednesday, March 24, 2021