ENS 52698
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ENS Event | |
|---|---|
17:06 Apr 20, 2017 | |
| Title | Seismic Monitor Panel Non-Functional |
| Event Description | At 1306 [EDT] on April 20, 2017, Control Room Overhead Alarm C6-C4, Seismic Monitor Panel, was received. This alarm normally indicates an actuation of the Hope Creek OBE [Operational Basis Earthquake] Seismic Switch at 0.1g, however, this alarm was accompanied by no other indications of seismic activity. The indicator for a 0.01g earthquake was not actuated, no earthquake was felt on site, and the National Earthquake Information Center recorded no seismic activity in the area.
The Seismic Monitor Panel was considered non-functional. With the Seismic Monitor Panel non-functional, the ability to classify EAL HA1.1, Operating Basis Earthquake Detected Onsite, was lost. Testing of the Seismic Monitor Panel is in progress to determine system functionality. The licensee will notify the NRC Resident Inspector. |
| Where | |
|---|---|
Hope Creek  New Jersey (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+2.12 h0.0883 days <br />0.0126 weeks <br />0.0029 months <br />) | |
| Opened: | Ronald Hanna 19:13 Apr 20, 2017 |
| NRC Officer: | Dong Park |
| Last Updated: | Apr 20, 2017 |
| 52698 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 526982017-04-20T17:06:00020 April 2017 17:06:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Seismic Monitor Panel Non-Functional ENS 511412015-06-09T07:10:0009 June 2015 07:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Hope Creek Technical Support Center Removed from Service for Planned Maintenance ENS 503152014-07-28T05:18:00028 July 2014 05:18:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Meteorological Data to the Site ENS 503022014-07-24T00:27:00024 July 2014 00:27:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Common Site Temporary Loss of Meteorological Data ENS 498902014-03-11T07:00:00011 March 2014 07:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Removed from Service for Planned Maintenance ENS 498262014-02-14T06:13:00014 February 2014 06:13:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Meteorological Tower Out-Of-Service Due to Weather ENS 489082013-04-10T13:30:00010 April 2013 13:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Notification System Telephone ENS 489052013-04-09T17:15:0009 April 2013 17:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Notification System Telephone ENS 485602012-12-05T14:21:0005 December 2012 14:21:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Removed from Service for Maintenance ENS 484042012-10-13T01:00:00013 October 2012 01:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Removed from Service for Planned Maintenance ENS 483602012-09-29T12:09:00029 September 2012 12:09:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power Supply for Nuclear Emergency Telecommunication System ENS 480102012-06-11T07:35:00011 June 2012 07:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service for Planned Maintenance ENS 465382011-01-14T09:26:00014 January 2011 09:26:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Ens and Erds Capability Due to a Failure of the Phone System Ups ENS 462592010-09-20T11:00:00020 September 2010 11:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erds and Spds Out of Service for Computer Upgrade ENS 449952009-04-17T06:07:00017 April 2009 06:07:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance on Spds and Erds ENS 437572007-10-29T23:30:00029 October 2007 23:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Power to Technical Support Center (Tsc) ENS 431912007-02-27T18:11:00027 February 2007 18:11:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance on Spds ENS 423322006-02-12T13:00:00012 February 2006 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications - Loss of Sirens ENS 423312006-02-12T09:00:00012 February 2006 09:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Ability to Collect Meteorological Data ENS 420662005-10-20T18:20:00020 October 2005 18:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Upgrade of Safety Parameter Display System ENS 418122005-06-29T18:40:00029 June 2005 18:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Sirens Due to Power Outage ENS 409812004-08-24T17:30:00024 August 2004 17:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness North Plant Vent Radiation Monitor Skid Test Connection Valve Inadvertently Left Open. ENS 401722003-09-19T01:11:00019 September 2003 01:11:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability Due to Adverse Weather Conditions 2017-04-20T17:06:00 | |
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