ENS 55721
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ENS Event | |
|---|---|
16:25 Feb 1, 2022 | |
| Title | Inadvertent Siren Actuations |
| Event Description | The following information was provided by the licensee via fax or email:
At approximately 1025 CST, the Dresden Main Control was notified of Grundy County warning sirens issues during the intended monthly test. The Grundy County scheduled monthly siren test had issues with siren activation from the County's primary controller. The buttons to activate were being pressed but the intended sirens were not initiating. The Grundy County operator continued to attempt activation unknowingly activating the sirens in the northeast quadrant between 1000-1015 CST. This event is reportable per 10 CFR 50.72(b)(2)(xi), News Release or Notification of Other Government Agencies. This is a 4-Hour Reporting requirement. The Dresden NRC Resident has been notified. |
| Where | |
|---|---|
Dresden  Illinois (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-1.03 h-0.0429 days <br />-0.00613 weeks <br />-0.00141 months <br />) | |
| Opened: | Jeff Simpson 15:23 Feb 1, 2022 |
| NRC Officer: | Karen Cotton-Gross |
| Last Updated: | Feb 1, 2022 |
| 55721 - NRC Website | |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Unit 3 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 557212022-02-01T16:25:0001 February 2022 16:25:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Siren Actuations ENS 553962021-08-03T20:39:0003 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 543582019-10-29T14:19:00029 October 2019 14:19:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Actuation of Sirens ENS 531982018-02-07T16:40:0007 February 2018 16:40:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Emergency Notification Sirens Inadvertently Actuated ENS 519132016-05-08T04:50:0008 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 515092015-10-30T19:29:00030 October 2015 19:29:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Lost of Lift Station Power ENS 501802014-06-08T21:15:0008 June 2014 21:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Tritium Discovered in Onsite Well ENS 484262012-10-20T16:00:00020 October 2012 16:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to a Potential Inadvertent Release of Tritium ENS 483612012-10-01T00:30:0001 October 2012 00:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Fire in the Maintenance Building ENS 470922011-07-24T18:05:00024 July 2011 18:05:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Extended Emergency Siren Activation During Testing ENS 469432011-06-09T19:22:0009 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 466362011-02-22T17:20:00022 February 2011 17:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Noncompliant Partial Lake Bypass Operation ENS 451162009-06-06T20:22:0006 June 2009 20:22:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Made Due to Elevated Levels of Tritium ENS 445272008-09-29T15:09:00029 September 2008 15:09:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Discharge of Oil Into Navigable Waters ENS 408812004-07-19T23:04:00019 July 2004 23:04:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Recovery of Drowning Victim on Owner Controlled Property 2022-02-01T16:25:00 | |
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