ENS 45765
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ENS Event | |
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23:25 Mar 13, 2010 | |
Title | |
Event Description | At 1825 EST service water to '22' and '23' EDGs was isolated while applying a protective tagout to the service water '1-2-3' header. Previously, the supply from the other service water header '4-5-6' was also isolated. '21' EDG was out of service on a tagout.
This resulted in a condition where no service water flow to the Emergency Diesel Generators was available for approximately three minutes. Service water flow was restored by opening the supply from the '1-2-3' service water header. During this condition, LCO 3.8.2 was not met. All required actions for LCO 3.8.2 were performed. LCO 3.8.2 was met when service water flow was restored to the Emergency Diesel Generators. The Emergency Diesel Generators were required to support residual heat removal in the event of a loss of offsite power. At no time was residual heat removal lost. The licensee will inform the NRC Resident Inspector. |
Where | |
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Indian Point ![]() New York (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat | |
LER: | 05000247/LER-2010-003 |
Time - Person (Reporting Time:+-1.78 h-0.0742 days <br />-0.0106 weeks <br />-0.00244 months <br />) | |
Opened: | Phil Santini 21:38 Mar 13, 2010 |
NRC Officer: | Steve Sandin |
Last Updated: | Mar 13, 2010 |
45765 - NRC Website
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Unit 2 | |
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Reactor critical | Not Critical |
Scram | No |
Before | Cold Shutdown (0 %) |
After | Cold Shutdown (0 %) |
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