ENS 45336
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ENS Event | |
|---|---|
13:30 Sep 9, 2009 | |
| Title | Emergency Sirens Out of Service |
| Event Description | On Wednesday, Sept. 9 at 9:30 am EDT, all 76 emergency sirens that serve the communities within a 10-mile radius of the PPL Susquehanna nuclear power plant failed during their bi-weekly silent test.
The failed siren test was initiated by Columbia County at 9:30 am; Luzerne County was then asked to complete the test from its controller, but it experienced a similar failure. The vendor that services the system was called in and is working to fix the problem, which is believed to be a fault in the system radio repeaters. A backup emergency notification plan is in place with local emergency agencies. A voluntary notification will be made to the Pennsylvania Emergency Management Agency. The licensee notified the NRC Resident Inspector.
All emergency sirens were restored to service and tested successfully as of 1742 on 09/09/2009. The licensee notified the NRC Resident Inspector. Notified R1DO(Powell). |
| Where | |
|---|---|
Susquehanna  Pennsylvania (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+3.17 h0.132 days <br />0.0189 weeks <br />0.00434 months <br />) | |
| Opened: | David Borger 16:40 Sep 9, 2009 |
| NRC Officer: | Pete Snyder |
| Last Updated: | Sep 9, 2009 |
| 45336 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (94 %) |
| After | Power Operation (94 %) |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (94 %) |
| After | Power Operation (94 %) |
WEEKMONTHYEARENS 497532014-01-21T18:40:00021 January 2014 18:40:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Vent Stack Radiation Monitors Out of Service ENS 482112012-08-20T15:06:00020 August 2012 15:06:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Data System ENS 480202012-06-13T04:00:00013 June 2012 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameters Display System Out of Service ENS 478202012-04-11T01:48:00011 April 2012 01:48:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds and Erds Removed from Service Due to Planned Maintenance ENS 473722011-10-24T21:15:00024 October 2011 21:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operation Facility Out of Service Due to Planned Maintenance Activity ENS 453362009-09-09T13:30:0009 September 2009 13:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Sirens Out of Service ENS 452802009-08-20T20:43:00020 August 2009 20:43:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Plant Integrated Computer System Resulting in Loss of Erds and Spds ENS 452702009-08-17T16:10:00017 August 2009 16:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Data System and Safety Parameter Display System Due to Computer Problems ENS 445132008-09-23T11:30:00023 September 2008 11:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Operating Facility Unavailable ENS 443422008-07-10T19:38:00010 July 2008 19:38:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capabilities Due to Plant Computer Failure ENS 440872008-03-22T14:35:00022 March 2008 14:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Spds/Erds Computer System Greater than 8 Hours ENS 440702008-03-17T15:50:00017 March 2008 15:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System (Spds) and Emergency Response Data System (Erds) Unavailable Due to Planned Maintenance ENS 432392007-03-15T03:00:00015 March 2007 03:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Outage of Spds and Erds ENS 432282007-03-10T05:30:00010 March 2007 05:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance for Unit 2 Spds and Erds System ENS 424232006-03-15T10:57:00015 March 2006 10:57:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Assessment Capability - Safety Parameter Display System ENS 422902006-01-27T13:00:00027 January 2006 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unit 2 Emergency Response Data System (Erds) Modem Failed ENS 421832005-12-02T05:49:0002 December 2005 05:49:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System (Spds) Failure on Unit Two ENS 420812005-10-26T14:20:00026 October 2005 14:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power at the Emergency Operations Facility ENS 416402005-04-26T11:31:00026 April 2005 11:31:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds (Safety Parameter Display System) Is Down for Planned Maintenance ENS 416312005-04-25T02:30:00025 April 2005 02:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds (Safety Parameter Display System) Is Down for Planned Maintenance ENS 410292004-09-09T08:24:0009 September 2004 08:24:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Assessment Capability ENS 409562004-08-15T00:45:00015 August 2004 00:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Safety Parameter Display System ENS 409482004-08-13T12:00:00013 August 2004 12:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of the Safety Parameter Display System (Spds) for Greater than 8 Hours ENS 405732004-03-07T03:10:0007 March 2004 03:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Will Be De-Energized for More than 8 Hours Due to Refueling Outage Activities ENS 401822003-09-19T20:00:00019 September 2003 20:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Sirens Due to Storm 2014-01-21T18:40:00 | |
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