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| Entered date | Event description | |
|---|---|---|
| ENS 47962 | 24 May 2012 21:59:00 | On 5/24/12, it was identified that a conduit flood seal was missing between an outside manhole and the interior of the switchgear rooms. The missing flood seal compromised the interior flooding design for both East and West Switchgear Rooms. Repairs were made by procuring and installing a 4" flood seal so that the flood path has been plugged. The conduit plug seal is now functional. The event is being reported under 10CFR 50.72(b)(3)(v) as internal flooding of both Switchgear Rooms could possibly affect (a.)safe shutdown, (b.)removal of decay heat, (c.)control of release of radioactive material and (d.)mitigating an accident. The NRC Resident Inspector has been notified. |