ENS 44812
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ENS Event | |
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18:24 Jan 28, 2009 | |
Title | Steam Exclusion Door Inappropriately Held Open By A Door Chock |
Event Description | At 0834 on 01/28/2009 it was identified that a Steam Exclusion door was held open by a door chock installed on the door for less than 15 minutes. The door was open to ventilate the room during venting of carbon dioxide piping for routine maintenance. A Maintenance Mechanic was stationed at the door as per procedure. This door would have allowed steam into the emergency safeguards bus area from the Carbon Dioxide Tank room. This could have resulted in both Trains of ESF Equipment failing to perform their required functions. Upon discovery the door chock was disengaged to allow the door to self-close if required.
The NRC Resident Inspector has been notified. |
Where | |
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Kewaunee Wisconsin (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
LER: | 05000305/LER-2009-002 |
Time - Person (Reporting Time:+-5 h-0.208 days <br />-0.0298 weeks <br />-0.00685 months <br />) | |
Opened: | Brad Gauger 13:24 Jan 28, 2009 |
NRC Officer: | Jason Kozal |
Last Updated: | Jan 28, 2009 |
44812 - NRC Website
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Unit 1 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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