ENS 44060
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ENS Event | |
|---|---|
21:44 Mar 13, 2008 | |
| Title | Alert Declared Due To Toxic Gas Discharge Into The 1B Emergency Diesel Generator Building |
| Event Description | During the 1B diesel generator surveillance run, the control room received fire alarms for the 1B diesel generator room. The system operator reported the room was full of smoke and the CO2 system had discharged. The control room manually shutdown the 1B diesel generator due to the event. An Alert classification was declared based on EAL #HA3 - Report or Detection of Toxic or Asphyxiant Gas within the Vital Area in Concentration that May Result in an Atmosphere Immediately Dangerous to Life or Health. No Radiological Release has occurred or is in progress.
The licensee stated that all personnel were accounted for and that no injuries had occurred. The 1B emergency diesel generator building is being ventilated to re-establish habitability. The licensee stated that there is no fire. During discussions between NRC management and the licensee it was noted that the exhaust header on the 1B EDG had been recently replaced and that a failure of this exhaust header introduced smoke and exhaust gas into the building which actuated the CO2. The licensee notified State and local agencies and the NRC Resident Inspector. A press release will also be issued.
The Alert was terminated at 1836 CDT based on ventilation of the room and re-establishment of habitability. The licensee notified State and local agencies and the NRC Resident Inspector. R2 (McCree), R2DO (Lesser), NRR (Wiggins), NRR EO (Haney) and IRD (Cruz) notified. Notifications to DHS, FEMA, DOE, EPA, USDA, HHS were also made by the NRC Operations Center. |
| Where | |
|---|---|
Farley  Alabama (NRC Region 2) | |
| Reporting | |
| Emergency class: | Alert |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-3.13 h-0.13 days <br />-0.0186 weeks <br />-0.00429 months <br />) | |
| Opened: | John Mccory 18:36 Mar 13, 2008 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Mar 13, 2008 |
| 44060 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 523402016-11-01T22:43:0001 November 2016 22:43:00
[Table view]10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared at Farley Unit 1 Due to Ammonia Exceeding Idlh Levels in the Auxiliary Building ENS 492322013-08-03T10:20:0003 August 2013 10:20:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared Due to an Inadvertent Co2 Fire Protection System Discharge ENS 455652009-12-13T00:45:00013 December 2009 00:45:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to a Fire in the Ccw Heat Exchanger ENS 440602008-03-13T21:44:00013 March 2008 21:44:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared Due to Toxic Gas Discharge Into the 1B Emergency Diesel Generator Building ENS 421272005-11-08T19:07:0008 November 2005 19:07:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared Due to Loss of Main Control Board Annunciator Panels 2016-11-01T22:43:00 | |
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