ENS 47188
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ENS Event | |
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18:05 Aug 23, 2011 | |
Title | Notification of an Unusual Event Due to a Seismic Event |
Event Description | License declared an Unusual Event based on seismic activity.
Oyster Creek has terminated from the Unusual Event for seismic activity. Engineering walk downs of reactor building, turbine building, switchyard, emergency diesel generators, intake structure, dilution structure, ISFSI (Independent Spent Fuel Storage Installation), and fire pond were completed and no problems noted. All plant conditions remain stable. Licensee notified the NRC Resident Inspector and applicable state and local authorities. A press release is planned. Notified R1 IRC (Dentil), IRD (Gott), DHS (Bean), FEMA (Via), USDA (Kraus), and DOE (Turner). |
Where | |
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Oyster Creek New Jersey (NRC Region 1) | |
Reporting | |
Emergency class: | Unusual Event |
10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
Time - Person (Reporting Time:+-3.5 h-0.146 days <br />-0.0208 weeks <br />-0.00479 months <br />) | |
Opened: | L. Sweeney 14:35 Aug 23, 2011 |
NRC Officer: | Eric Simpson |
Last Updated: | Aug 23, 2011 |
47188 - NRC Website | |
Unit 1 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
Oyster Creek with 10 CFR 50.72(a)(1)(i), Emergency Class Declaration | |
WEEKMONTHYEARENS 531532018-01-06T10:24:0006 January 2018 10:24:00
[Table view]10 CFR 50.72(a)(1)(i), Emergency Class Declaration Declaration of Unusual Event Due to Abnormal Intake Structure Level ENS 501452014-05-28T14:37:00028 May 2014 14:37:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to Release of Chlorinated Water ENS 484522012-10-29T22:55:00029 October 2012 22:55:00 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Notice of Unusual Event Declared Due to High Intake Structure Water Level ENS 481252012-07-23T07:29:00023 July 2012 07:29:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unusual Event Due to Loss of Offsite Power ENS 471882011-08-23T18:05:00023 August 2011 18:05:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of an Unusual Event Due to a Seismic Event ENS 464432010-12-01T19:55:0001 December 2010 19:55:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Excessive Rcs Leakage from "B" Recirc Pump Seal ENS 451962009-07-12T05:48:00012 July 2009 05:48:00 10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unusual Event Declared Due to a Loss of Offsite Power ENS 448222009-02-02T02:56:0002 February 2009 02:56:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event and Reactor Scram Due to Main Transformer Fire ENS 418992005-08-06T08:03:0006 August 2005 08:03:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared Due to Low Intake Water Level ENS 404562004-01-17T04:16:00017 January 2004 04:16:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Noue Declared at Oyster Creek Due to Intake Low Water Level 2018-01-06T10:24:00 | |
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