ENS 49158
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ENS Event | |
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16:14 Jun 29, 2013 | |
Title | Digital Radiation Monitoring System Operating Intermittently |
Event Description | At 1214 EDT on June 29, 2013, Beaver Valley Power Station (BVPS) Unit 2 determined that the Digital Radiation Monitoring System (DRMS) was operating intermittently resulting in an intermittent loss of control room radiation monitor indication and alarm capability. BVPS Unit 2 DRMS was declared non-functional. Repair efforts were initiated and at 1415 EDT DRMS was restored to functional status. Compensatory measures were established during the period of time that the DRMS was operating intermittently.
The period that BVPS Unit 2 DRMS was non-functional resulted in a loss of emergency assessment capability and is reportable per 10 CFR 50.72(b)(3)(xiii). The NRC Resident Inspector has been notified. |
Where | |
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Beaver Valley Pennsylvania (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
Time - Person (Reporting Time:+2.27 h0.0946 days <br />0.0135 weeks <br />0.00311 months <br />) | |
Opened: | Stephen Woolsey 18:30 Jun 29, 2013 |
NRC Officer: | Bill Huffman |
Last Updated: | Jun 29, 2013 |
49158 - NRC Website | |
Unit 2 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 539242019-03-11T12:51:00011 March 2019 12:51:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Communication System Maintenance ENS 510642015-05-11T20:29:00011 May 2015 20:29:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Digital Radiation Monitoring System ENS 508952015-03-14T21:08:00014 March 2015 21:08:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Digital Radiation Monitoring System Failed ENS 506272014-11-19T14:43:00019 November 2014 14:43:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Eal Required Gaseous Waste Effluent Radiation Monitors Removed from Service for Planned Maintenance ENS 504172014-08-29T13:32:00029 August 2014 13:32:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Digital Radiation Monitoring System Operating Intermittently ENS 497162014-01-11T21:05:00011 January 2014 21:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Digital Radiation Monitoring System Communication Failure ENS 491582013-06-29T16:14:00029 June 2013 16:14:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Digital Radiation Monitoring System Operating Intermittently ENS 475132011-12-05T14:45:0005 December 2011 14:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unavailability of Emergency Response Data System (Erds) for Scheduled Upgrade ENS 462322010-09-07T14:43:0007 September 2010 14:43:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Plant In-Process Computer Oos for Maintenance ENS 456832010-02-06T14:28:0006 February 2010 14:28:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability Due to Adverse Weather Conditions ENS 450232009-04-26T19:45:00026 April 2009 19:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erds and Plant Computer Unavailable During Maintenance on Computer Room Cooling ENS 444872008-09-15T12:00:00015 September 2008 12:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Sirens Due to Power Outages Caused by High Winds ENS 434582007-06-29T04:14:00029 June 2007 04:14:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Radiation Monitoring Information to Erds and Spds Will Be Unavailable During Planned Upgrade to the System. ENS 430302006-12-03T23:04:0003 December 2006 23:04:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Non-Functional Safety Parameter Display System ENS 428022006-08-25T14:30:00025 August 2006 14:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Response Data System and Safety Parameter Display System Will Be Unavailable 2019-03-11T12:51:00 | |
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