ENS 49293
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ENS Event | |
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01:00 Aug 22, 2013 | |
Title | Unanalyzed Condition for Emergency Diesel Generator Fuel Oil Pumps Train Separation |
Event Description | On August 21, 2013 at 2000 CDT, it was determined following receipt and review of an NRC position document, that the design of the Monticello Nuclear Generating Plant diesel fuel oil supply system is not consistent with current and historical licensing and design basis documents. This condition affects fuel oil supply from the diesel fuel oil storage tank to both emergency diesel generators and is being reported pursuant to 10CFR50.72(b)(3)(ii) as an unanalyzed condition that could significantly degrade plant safety.
Actions are in progress to address the unanalyzed condition. The NRC Resident Inspector has been notified. |
Where | |
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Monticello ![]() Minnesota (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition | |
LER: | 05000263/LER-2013-006 Regarding Unanalyzed Condition for Emergency Diesel Generator Fuel Oil Pumps Train Separation 05000263/LER-2013-006-01 Regarding Unanalyzed Condition for Emergency Diesel Generator Fuel Oil Pumps Train Separation |
Time - Person (Reporting Time:+-2.67 h-0.111 days <br />-0.0159 weeks <br />-0.00366 months <br />) | |
Opened: | Lt Christos 22:20 Aug 21, 2013 |
NRC Officer: | Mark Abramovitz |
Last Updated: | Aug 21, 2013 |
49293 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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