ENS 43030
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ENS Event | |
|---|---|
23:04 Dec 3, 2006 | |
| Title | Non-Functional Safety Parameter Display System |
| Event Description | At 1804 on 12/03/2006, both Safety Parameter Display System (SPDS) displays in the Beaver Valley Power Station (BVPS) Unit 1 control room were identified as not functioning. Initial evaluation indicated that the system would be returned in less than a day. However, subsequent evaluation determined that vendor assistance would be needed to return the system to operation. The vendor is currently performing maintenance, with the system anticipated to be returned to service today (12/05/2006). Thus, this is being reported as a loss of emergency assessment capability pursuant to 10 CFR 50.72(b)(3)(xiii).
Other BVPS Unit 1 equipment that remain available to adequately address potential emergent events include the Inadequate Core Cooling Monitor (ICCM), the BVPS Unit 1 Plant Computer and the Control Room alarm system. The licensee notified the NRC Resident Inspector.
At 1401 on 12/05/2006, the Safety Parameter Display System (SPDS) was repaired and returned to service at Beaver Valley Power Station (BVPS) Unit 1. The licensee notified the NRC Resident Inspector. Notified R1DO (M. Sykes) |
| Where | |
|---|---|
| Beaver Valley Pennsylvania (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+36 h1.5 days <br />0.214 weeks <br />0.0493 months <br />) | |
| Opened: | Ronald T. Green 11:04 Dec 5, 2006 |
| NRC Officer: | Pete Snyder |
| Last Updated: | Dec 5, 2006 |
| 43030 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Beaver Valley with 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
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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