ENS 46775
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ENS Event | |
|---|---|
21:00 Apr 21, 2011 | |
| Title | Potential Inadvertant Activation of One Emergency Siren |
| Event Description | On April 20, 2011, several hours after a severe lightning storm in the early morning hours, RE Ginna Nuclear Power Plant received a report that a siren may have activated. There was no specific location provided in the report. A review of the siren computer history showed no indication of any siren activation during that time frame. During the daily silent test of the siren system, one siren was determined to have failed due to loss of its AC power.
During an inspection of the siren on April 21, 2011, it was reported that the siren appeared to have been struck by lightning. A number of electronic components in the siren had to be replaced and as a result the technicians were unable to determine if the siren had activated. As such. there is a potential that the siren may have been the source of the initial report. The siren has been tested and returned to service. The NRC Resident Inspector was notified by the licensee. The licensee notified the Public Utilities Commission and Wayne and Monroe Counties. |
| Where | |
|---|---|
| Ginna New York (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-1.47 h-0.0613 days <br />-0.00875 weeks <br />-0.00201 months <br />) | |
| Opened: | Dan Dean 19:32 Apr 21, 2011 |
| NRC Officer: | Mark Abramovitz |
| Last Updated: | Apr 21, 2011 |
| 46775 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 565592023-06-05T22:23:0005 June 2023 22:23:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification ENS 536662018-10-14T04:00:00014 October 2018 04:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to a Sodium Hypochlorite Leak ENS 531242017-12-17T12:55:00017 December 2017 12:55:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Following Sulfric Acid Spill ENS 513072015-08-11T03:32:00011 August 2015 03:32:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Siren Activation ENS 512252015-07-13T16:10:00013 July 2015 16:10:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Activation of Emergency Siren by Vendor ENS 471372011-08-09T16:30:0009 August 2011 16:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Actuation of an Emergency Siren ENS 467752011-04-21T21:00:00021 April 2011 21:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Potential Inadvertant Activation of One Emergency Siren ENS 463982010-11-05T16:45:0005 November 2010 16:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Small Petroleum Spill within Site Property ENS 462852010-09-28T15:30:00028 September 2010 15:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Faulty Alarm Actuation ENS 456352010-01-19T10:53:00019 January 2010 10:53:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Fire Department Assistance Required for a Failed Residential Transformer ENS 455102009-11-19T18:00:00019 November 2009 18:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Low Level Radioactive Spill ENS 441082008-03-31T12:00:00031 March 2008 12:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Minor Gas Spill ENS 440252008-03-01T18:15:0001 March 2008 18:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Steam Leak Affecting Asbestos Lagging ENS 437812007-11-14T17:20:00014 November 2007 17:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of Chemical Spill Onsite ENS 431822007-02-23T18:36:00023 February 2007 18:36:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Small Natural Gas Leak at Gas Meter ENS 418762005-07-28T00:00:00028 July 2005 00:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Concerning Power Reduction to Take Plant Offline ENS 411052004-10-08T18:10:0008 October 2004 18:10:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offiste Notification to Fire Department Due to Natural Gas Line Break ENS 403602003-11-28T04:30:00028 November 2003 04:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Plant Had an Inadvertent Siren Activation 2023-06-05T22:23:00 | |
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