ENS 52705
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ENS Event | |
|---|---|
13:00 Apr 25, 2017 | |
| Title | Fuel Handling Bridge Radiation Monitor Out of Service |
| Event Description | On April 25, 2017 at approximately 0900 [EDT], it was identified that power to RM-G8 Area Gamma Radiation Monitor for the Fuel Handling Building Bridge, had not been restored within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. RM-G8 was de-energized during the B train essential bus outage and was restored on April 25, 2017 at 1148. It was out of service for approximately 92 hours0.00106 days <br />0.0256 hours <br />1.521164e-4 weeks <br />3.5006e-5 months <br />. Compensatory measures were in place per HPP-904 while RM-G8 was out of service.
RM-G8 is identified in the emergency plan as an equipment important to emergency response. NUREG-1022, Rev. 3 Supplement 1 Event Report Guidelines 10 CFR 50.72(b)(3)(xiii), allows a 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> planned outage time to restore equipment important to emergency response. Since RM-G8 was not restored in 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, it is reportable as an 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> ENS. This event should have been reported when it was known that the 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> outage time was not going to be met. This issue has been entered in the station's corrective action program. Fuel inspections were occurring during this time with compensatory measures in place. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
Summer  South Carolina (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+1.88 h0.0783 days <br />0.0112 weeks <br />0.00258 months <br />) | |
| Opened: | Bruce Bennett 14:53 Apr 25, 2017 |
| NRC Officer: | Mark Abramovitz |
| Last Updated: | Apr 25, 2017 |
| 52705 - NRC Website
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WEEKMONTHYEARENS 527052017-04-25T13:00:00025 April 2017 13:00:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Fuel Handling Bridge Radiation Monitor Out of Service ENS 485182012-11-18T16:30:00018 November 2012 16:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Assessment Capability Due to Integrated Plant Computer Planned Maintenance ENS 429912006-11-14T21:42:00014 November 2006 21:42:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Siren Activation Capability Inoperable for Approximately 15 Minutes ENS 425602006-05-08T16:30:0008 May 2006 16:30:00 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 Early Warning Siren System (Ewss) Declared Inoperable ENS 417552005-06-08T00:20:0008 June 2005 00:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Twenty-Eight Early Warning Sirens Temporarily Inoperable ENS 413632005-01-30T09:10:00030 January 2005 09:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability Due to Adverse Weather ENS 412422004-12-04T03:30:0004 December 2004 03:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Early Warning Siren System Failure ENS 411142004-10-11T14:57:00011 October 2004 14:57:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability Following Planned Siren Maintenance ENS 404832004-01-27T17:00:00027 January 2004 17:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Ens Telephone and Siren System 2017-04-25T13:00:00 | |
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