ENS 45424: Difference between revisions

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| event date = 10/10/2009 13:21 CDT
| event date = 10/10/2009 13:21 CDT
| last update date = 12/04/2009
| last update date = 12/04/2009
| title = Control Room Filtration Out Of Service For Maintainance
| title = Control Room Filtration Out of Service for Maintainance
| event text = Post maintenance operability testing of the 'A' CREF (Control Room Emergency Filtration) subsystem will result in a planned potential loss of safety function for the CREF for a brief period of time when the 'B' CREF subsystem is simultaneously made inoperable during the testing.  Clear guidance for timely restoration of the 'B' CREF subsystem, and therefore, CREF safety function is included in the test procedure.  An operator will be dedicated to the testing to ensure that the CREF will perform its safety function if required.
| event text = Post maintenance operability testing of the 'A' CREF (Control Room Emergency Filtration) subsystem will result in a planned potential loss of safety function for the CREF for a brief period of time when the 'B' CREF subsystem is simultaneously made inoperable during the testing.  Clear guidance for timely restoration of the 'B' CREF subsystem, and therefore, CREF safety function is included in the test procedure.  An operator will be dedicated to the testing to ensure that the CREF will perform its safety function if required.
The licensee will notify the NRC Resident Inspector.
The licensee will notify the NRC Resident Inspector.

Latest revision as of 21:10, 1 March 2018

ENS 45424 +/- *RETRACTED*
Where
Monticello Xcel Energy icon.png
Minnesota (NRC Region 3)
Reporting
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Time - Person (Reporting Time:+-3.78 h-0.158 days <br />-0.0225 weeks <br />-0.00518 months <br />)
Opened: Tim Corrigan
14:34 Oct 10, 2009
NRC Officer: Charles Teal
Last Updated: Dec 4, 2009
45424 - NRC Website
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