ENS 40887
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ENS Event | |
|---|---|
15:20 Jul 21, 2004 | |
| Title | Loss Of Public Notification System Due To Loss Of Normal And Emergency Power Supply |
| Event Description | Vermont Yankee was notified by it's radio & siren vendor that the Ames Hill NOAA transmitter was inoperable between 1930 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.34365e-4 months <br /> on 7/20/04 and 1055 hours0.0122 days <br />0.293 hours <br />0.00174 weeks <br />4.014275e-4 months <br /> on 7/21/04 due to a loss of normal power and a failure of it's backup generator. This failure caused the Public Notification System (PNS) to be inoperable during the period which is considered a major loss of emergency response capability.
The licensee informed the NRC Resident Inspector. |
| Where | |
|---|---|
Vermont Yankee  Vermont (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.57 h-0.107 days <br />-0.0153 weeks <br />-0.00352 months <br />) | |
| Opened: | David Hallonquist 12:46 Jul 21, 2004 |
| NRC Officer: | Chauncey Gould |
| Last Updated: | Jul 21, 2004 |
| 40887 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 491092013-06-12T20:38:00012 June 2013 20:38:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert System Failure ENS 472412011-09-05T08:03:0005 September 2011 08:03:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Meterological Tower Vertical Temperature Difference Instrumentation Due to Lightning Strike ENS 460692010-07-04T23:30:0004 July 2010 23:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Problem with Tone Alert System ENS 459582010-05-27T06:00:00027 May 2010 06:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications ENS 447282008-12-18T13:45:00018 December 2008 13:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert Radio Input Out of Service ENS 445302008-09-30T23:42:00030 September 2008 23:42:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Primary Offsite Notification Capability ENS 441182008-04-03T18:00:0003 April 2008 18:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Ability to Telephone Out of State ENS 440422008-03-07T15:45:0007 March 2008 15:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Telephone Outage Onsite ENS 435732007-08-17T13:55:00017 August 2007 13:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Weather Alert System Was Inoperable ENS 434092007-06-06T17:17:0006 June 2007 17:17:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Public Notification System Inoperable ENS 429442006-10-29T17:02:00029 October 2006 17:02:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Noaa Transmitter ENS 427552006-08-08T20:45:0008 August 2006 20:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Radio Alert System Transmitter ENS 408872004-07-21T15:20:00021 July 2004 15:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Public Notification System Due to Loss of Normal and Emergency Power Supply 2013-06-12T20:38:00 | |
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