ENS 54218
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ENS Event | |
|---|---|
20:00 Aug 13, 2019 | |
| Title | Criticality Accident Alarm System Speaker Failure |
| Event Description | At approximately 1320 [EDT] one speaker in the Low Enriched Uranium (LEU) area was identified as not operating when a series of Public Address (PA) announcements were made. Strobe lights, however, were functioning in the area. At 1430 compensatory measures were established to limit access in the affected area to only those personnel with radio communication with the alarm room. At 1600 the system was tested and it was confirmed that the Criticality Accident Alarm System (CAAS) was not audible in the LEU area. No other areas were effected. On August 13, 2019 at approximately 1726, full compliance was restored when the speaker was replaced and satisfactorily retested. The most recent audibility test of this area had been satisfactorily performed on August 6, 2019 at approximately 1100. The licensee notified the NRC Resident Inspector on August 13, 2019 at approximately 1653." |
| Where | |
|---|---|
| Nuclear Fuel Services Inc. Erwin, Tennessee (NRC Region 2) | |
| License number: | SNM-124 |
| Reporting | |
| 10 CFR 70.50(b)(2) | |
| Time - Person (Reporting Time:+14.12 h0.588 days <br />0.084 weeks <br />0.0193 months <br />) | |
| Opened: | Ron Rice 10:07 Aug 14, 2019 |
| NRC Officer: | Kerby Scales |
| Last Updated: | Aug 14, 2019 |
| 54218 - NRC Website | |
Nuclear Fuel Services Inc. with 10 CFR 70.50(b)(2) | |
WEEKMONTHYEARENS 559022022-05-18T18:50:00018 May 2022 18:50:00
[Table view]10 CFR 70.50(b)(2) Criticality Accident Alarm System Speakers Disabled ENS 542182019-08-13T20:00:00013 August 2019 20:00:00 10 CFR 70.50(b)(2) Criticality Accident Alarm System Speaker Failure ENS 524042016-12-01T15:14:0001 December 2016 15:14:00 10 CFR 70.50(b)(2) Office Area Alarm Audibility Disabled ENS 523582016-11-09T16:15:0009 November 2016 16:15:00 10 CFR 70.50(b)(2) Insufficient Alarm Audibility ENS 521902016-08-17T21:39:00017 August 2016 21:39:00 10 CFR 70.50(b)(2) Failure of a Speaker in an Area Potentially Requiring Personnel Evacuation ENS 499982014-04-04T17:15:0004 April 2014 17:15:00 10 CFR 70.50(b)(2) Criticality Accident Evacuation Alarm Not Audible in Certain Areas Outside the Material Handling Area ENS 498482014-02-21T13:39:00021 February 2014 13:39:00 10 CFR 70.50(b)(2) Audibility of Alarm System ENS 460862010-07-12T16:00:00012 July 2010 16:00:00 10 CFR 70.50(b)(2) Electrical Fault Disabled Public Address System Which Supports Various Alarm Annunciators ENS 451792009-06-30T20:00:00030 June 2009 20:00:00 10 CFR 70.50(b)(2) Safety Equipment Failure of the Criticality Alarm System ENS 438832008-01-05T14:00:0005 January 2008 14:00:00 10 CFR 70.50(b)(2) Safety Equipment Failure of the Criticality Alarm System ENS 422262005-12-22T19:00:00022 December 2005 19:00:00 10 CFR 70.50(b)(2), 10 CFR 21.21, Notification of failure to comply or existence of a defect and its evaluation Safety Equipment Failure 2022-05-18T18:50:00 | |
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