ENS 54284
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ENS Event | |
|---|---|
12:50 Sep 18, 2019 | |
| Title | Loss of Communication with Emergency Operations Facility |
| Event Description | At 0750 CDT, on September 18, 2019, South Texas Project Electric Generating Station (STPEGS) experienced an unplanned loss of the Integrated Computer System (ICS) to the Emergency Operations Facility (EOF). The loss of ICS resulted in a major loss of emergency assessment capability to the STPEGS EOF for greater than 90 minutes. Assessment capability has been verified to be available in the Unit 2 Technical Support Center (TSC) and the Unit 1 and Unit 2 Control Rooms. ICS was restored to the EOF at 0932 CDT on September 18, 2019.
This report is being made pursuant to 10 CFR 50.72(b)(3)(xiii) as any event that resulted in a major loss of emergency assessment capability, offsite response capability, or offsite communications capability. There was no impact to the health and safety of the public or plant personnel. The NRC Resident Inspector has been informed. |
| Where | |
|---|---|
South Texas  Texas (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+0.87 h0.0363 days <br />0.00518 weeks <br />0.00119 months <br />) | |
| Opened: | Scott Saylors 13:42 Sep 18, 2019 |
| NRC Officer: | Ossy Font |
| Last Updated: | Sep 18, 2019 |
| 54284 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 542842019-09-18T12:50:00018 September 2019 12:50:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communication with Emergency Operations Facility ENS 541452019-07-03T15:26:0003 July 2019 15:26:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Offsite Notification Due to Radio Transmitter Out of Service ENS 536562018-10-09T05:00:0009 October 2018 05:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Emergency Response Equipment ENS 531182017-12-12T23:57:00012 December 2017 23:57:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Emergency Response Equipment ENS 527752017-05-30T14:29:00030 May 2017 14:29:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Operations Facility Integrated Computer System Data for Planned Maintenance ENS 511152015-06-01T15:26:0001 June 2015 15:26:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Unit 2 Ventilation Radiation Monitor Operability ENS 484482012-10-27T19:15:00027 October 2012 19:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Offsite Communications ENS 465882011-02-02T14:30:0002 February 2011 14:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Prompt Notification System (Pns) Emergency Sirens Due to a Loss of Power ENS 435952007-08-25T12:30:00025 August 2007 12:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Erds System and Portions of Plant Computer Out of Service for Planned Maintenance Outage ENS 430862007-01-10T18:35:00010 January 2007 18:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Offsite Landline Communications Capability Due to Cut Fiber Optic Cable ENS 425792006-05-16T14:45:00016 May 2006 14:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Disruption of Incoming and Outgoing Telephone Communciation Capability 2019-09-18T12:50:00 | |
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