ENS 46711
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ENS Event | |
|---|---|
14:00 Mar 30, 2011 | |
| Title | Emergency Sirens Out Of Service Due To Inadvertent Securing Of Power |
| Event Description | City of San Clemente inadvertently secured power to 19 Community Alert Sirens. Trouble alarms were received at 0700 [PDT] but it is not known at what time specifically power was removed. All sirens were functional the day before when an inspection was performed on 3/29/2011 at 1213 [PDT]. Power was restored to the sirens at 1145 [PDT] 3/30/2011. This event resulted in 20 community sirens being non-functional for greater than 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.
Siren State Parks 4 (SP-4) was also non-functional for unrelated reasons and remains out of service. Power was restored and all but the state park siren capabilities were declared operable. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
San Onofre  California (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+2.4 h0.1 days <br />0.0143 weeks <br />0.00329 months <br />) | |
| Opened: | Edgar Degiovanni 16:24 Mar 30, 2011 |
| NRC Officer: | Vince Klco |
| Last Updated: | Mar 30, 2011 |
| 46711 - NRC Website
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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 475502011-12-23T13:00:00023 December 2011 13:00:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data System Out of Service ENS 467112011-03-30T14:00:00030 March 2011 14:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Sirens Out of Service Due to Inadvertent Securing of Power ENS 465032010-12-22T03:32:00022 December 2010 03:32:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Access to Primary Emergency Operations Facility Not Possible Due to Road Flooding ENS 457142010-02-21T16:00:00021 February 2010 16:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Power Outage at Primary Emergency Operations Facility (Eof) ENS 456342010-01-19T03:50:00019 January 2010 03:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operations Facility Inaccessible Due to Road Flooding ENS 454622009-10-23T19:05:00023 October 2009 19:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Preparedness Capabilities ENS 452052009-07-13T18:00:00013 July 2009 18:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Temporary Loss of Power to Ten Emergency Notification Sirens ENS 443552008-07-18T15:00:00018 July 2008 15:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operations Facility Inoperable for Maintenance Work ENS 442512008-05-30T22:05:00030 May 2008 22:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Power Outage at Primary Emergency Operations Facility (Eof) ENS 438372007-12-11T19:05:00011 December 2007 19:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Major Loss of Communications Capability ENS 419582005-08-29T17:45:00029 August 2005 17:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System and Emergency Response Data System Planned Upgrade Outage ENS 414772005-03-09T08:00:0009 March 2005 08:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Loss of the Emergency Response Data System ENS 413202005-01-10T03:45:00010 January 2005 03:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness San Onofre Emergency Operations (Eof) Inaccessible Due to Road Flooding 2011-03-30T14:00:00 | |
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