ENS 49311
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ENS Event | |
|---|---|
05:48 Aug 28, 2013 | |
| Title | Technical Support Center Ventilation System Out of Service Due to Planned Maintenance |
| Event Description | This is a non-emergency eight hour notification for a loss of Emergency Assessment Capability. This event is reportable in accordance with 10 CFR 50.72(b)(3)(xiii) because the work activity affects the functionality of an emergency response facility. Planned maintenance activities are being performed on 08/28/13 in the Technical Support Center (TSC) HVAC.
The work includes performance of planned outside air intake valve electrical troubleshooting. The planned work activity duration is approximately 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br />. If an emergency is declared requiring TSC activation during period, the TSC will be staffed and activated using existing emergency planning procedure unless the TSC becomes uninhabitable due to ambient temperature, radiological, or other conditions. If relocation of the TSC becomes necessary, the Emergency Director will relocate the TSC staff to an alternate location in accordance with applicable site procedures. The Emergency Response Organization team has been notified of the maintenance and the possible need to relocate during an emergency. The NRC Resident Inspector has been notified. The event poses no threat to the public or station employees. |
| Where | |
|---|---|
Catawba  South Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-2.47 h-0.103 days <br />-0.0147 weeks <br />-0.00338 months <br />) | |
| Opened: | Thomas Garrison 03:20 Aug 28, 2013 |
| NRC Officer: | John Shoemaker |
| Last Updated: | Aug 28, 2013 |
| 49311 - 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 553392021-07-04T13:11:0004 July 2021 13:11:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Seismic Monitoring for Emergency Plan Assessment ENS 549432020-10-11T07:15:00011 October 2020 07:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | Long Term Habitability of the Technical Support Center Under Accident Dose Analysis Exceeds the Calculated Allowable Values ENS 548982020-09-12T21:48:00012 September 2020 21:48:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | Loss of Emergency Assessment Capability ENS 548872020-09-06T07:45:0006 September 2020 07:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Long Term Habitability of Technical Support Center Under Accident Dose Analysis Exceeds Calculated Allowable Values ENS 547702020-07-10T13:00:00010 July 2020 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Common Emergency Operations Facility Maintenance ENS 547522020-06-22T01:00:00022 June 2020 01:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Technical Support Center Ventilation Maintenance ENS 542562019-04-29T02:00:00029 April 2019 02:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System Out of Service Due to Discovered Condition ENS 516842016-01-25T15:30:00025 January 2016 15:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System Out of Service Due to Discovered Condition ENS 516352016-01-05T16:20:0005 January 2016 16:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Out of Service ENS 511032015-05-29T16:30:00029 May 2015 16:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System Out of Service Due to Discovered Condition ENS 503162014-07-29T09:00:00029 July 2014 09:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Hvac Removed from Service for Planned Maintenance ENS 499562014-03-25T03:00:00025 March 2014 03:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Out of Service Due to Planned Maintenance ENS 493192013-09-04T08:05:0004 September 2013 08:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Out of Service Due to Planned Maintenance ENS 493112013-08-28T05:48:00028 August 2013 05:48:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation System Out of Service Due to Planned Maintenance ENS 487172013-02-05T10:45:0005 February 2013 10:45:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service for Scheduled Maintenance ENS 485832012-12-12T20:27:00012 December 2012 20:27:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Unavailable for Emergency Assessment ENS 485022012-11-12T16:00:00012 November 2012 16:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Inoperable Numerous Times Over Previous Three Years Without Proper Reporting ENS 483042012-09-13T11:40:00013 September 2012 11:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center (Tsc) Unavailable Due to Ventilation System Failure ENS 482942012-09-11T01:00:00011 September 2012 01:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Unavailable Due to Planned Maintenance ENS 482672012-09-02T16:00:0002 September 2012 16:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Outage of Emergency Operations Facility ENS 481262012-07-23T09:08:00023 July 2012 09:08:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tsc Ventilation System Out of Service ENS 477802012-03-28T09:25:00028 March 2012 09:25:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance on Tsc Ventilation System ENS 476952012-02-24T10:00:00024 February 2012 10:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance Will Result in the Technical Support Center Being Unavailable ENS 468402011-05-11T06:01:00011 May 2011 06:01:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of >25% of Emergency Notification System Sirens Due to Adverse Weather ENS 408532004-07-06T14:08:0006 July 2004 14:08:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Greater than 25% of the Emergency Sirens Found to Be Inoperable 2021-07-04T13:11:00 [Table view] | |
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