ENS 49061
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ENS Event | |
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08:55 May 23, 2013 | |
Title | Primary Containment Declared Inoperable During Hpci Testing |
Event Description | At 0455 hours0.00527 days <br />0.126 hours <br />7.523148e-4 weeks <br />1.731275e-4 months <br /> on Thursday, May 23, 2013, with Pilgrim Station in the Startup/Hot Standby Mode and reactor coolant pressure approximately 550 psig, primary containment was declared inoperable due to a leak on the High Pressure Coolant Injection system (HPCI) turbine exhaust line while performing the HPCI system flow rate test. Power ascension was suspended pending investigation and repair. Repair plans to restore system integrity are in progress.
The plant is in a safe condition and plant personnel are investigating the cause. The Resident Inspector has been informed of this notification. This notification is being made in accordance with 10 CFR 50.72(b)(3)(v)(C) and (D). The licensee will notify the Massachusetts Emergency Management Agency (MEMA). The licensee has entered Technical Specification 3.7.A.2 to be in cold shutdown within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. |
Where | |
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Pilgrim Massachusetts (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded 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: | 05000293/LER-2013-005 |
Time - Person (Reporting Time:+3.78 h0.158 days <br />0.0225 weeks <br />0.00518 months <br />) | |
Opened: | David Noyes 12:42 May 23, 2013 |
NRC Officer: | Dong Park |
Last Updated: | May 23, 2013 |
49061 - NRC Website
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