ENS 46942
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ENS Event | |
---|---|
19:22 Jun 9, 2011 | |
Title | Inadvertent Siren Activation Due to Lightning Strike |
Event Description | This siren affects both Dresden and Braidwood Stations. At approximately 1422 [CDT] on June 9, 2011, a Grundy County representative notified Exelon of an inadvertent siren activation. The Exelon representative contacted the siren contractor at 1423 [CDT] inquiring about siren activity in the shared Braidwood/Dresden Emergency Planning Zones. Upon review and polling of the system at 1444 [CDT], siren BD11 was identified in the area of concern with a communication failure. The siren contractor was immediately dispatched and arrived at the siren location at approximately 1520 [CDT]. Upon arrival, the siren was not sounding and significant damage was identified, which was indicative of a direct lightning strike. The siren was declared out of service and repairs will begin on June 10th.
The licensee notified the NRC Resident Inspector and Grundy County local authorities. See Dresden Event #46943 for same event notification. |
Where | |
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Braidwood ![]() Illinois (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
Time - Person (Reporting Time:+-0.32 h-0.0133 days <br />-0.0019 weeks <br />-4.38336e-4 months <br />) | |
Opened: | Kevin Lueshen 19:03 Jun 9, 2011 |
NRC Officer: | Bill Huffman |
Last Updated: | Jun 9, 2011 |
46942 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (99 %) |
After | Power Operation (99 %) |
Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (99 %) |
After | Power Operation (99 %) |
WEEKMONTHYEARENS 557222022-02-01T16:25:0001 February 2022 16:25:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Siren Actuation ENS 553952021-08-03T20:39:0003 August 2021 20:39:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Inadvertent Siren Actuation ENS 543602019-10-29T14:19:00029 October 2019 14:19:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Actuation of Sirens ENS 528022017-06-12T14:14:00012 June 2017 14:14:00 Other Unspec Reqmnt, 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification for Discharge of Circulating Water ENS 519122016-05-08T04:50:0008 May 2016 04:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Reporting That Site Was Notified of Siren Sounding ENS 473192011-10-04T21:35:0004 October 2011 21:35:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Onsite Fatality ENS 469422011-06-09T19:22:0009 June 2011 19:22:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Siren Activation Due to Lightning Strike ENS 451612009-06-24T21:39:00024 June 2009 21:39:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Illinois Department of Natural Resources Notified of a Fish Kill ENS 423392006-02-15T19:00:00015 February 2006 19:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Press Release Concerning Tritium Inspection Program ENS 421842005-12-02T16:00:0002 December 2005 16:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Elevated Levels of Tritium Found in Groundwater ENS 418072005-06-28T18:00:00028 June 2005 18:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Illinois Department of Natural Resources ENS 410382004-09-13T20:46:00013 September 2004 20:46:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Minor Oil Spill 2022-02-01T16:25:00 | |
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