ENS 45428
ENS Event | |
|---|---|
21:03 Oct 12, 2009 | |
| Title | Notification of Unusual Event Due to Small Fire Lasting Greater than 10 Minutes |
| Event Description | At 1551, [the control room] received a 911 notification of a fire in the Condenser area. Entered abnormal procedure 5.1 Incident [and the] fire brigade was dispatched. Follow-up reports indicated that the fire was in the Heater Bay area in the vicinity of B2/B3 heaters.
'At 1556, the Control Room received a report via the Work Control Center from a qualified fire watch on the scene that the fire had been extinguished. At 1603 the Emergency Director declared a NOUE, on EAL 5.1.1, due to a fire in the Protected Area that takes longer than 10 minutes to extinguish. At the time of the declaration, a six sided search had not yet been conducted in accordance with procedural requirements. At 1613, the Fire Brigade Leader reported a six sided search of the Heater Bay area was complete, and the fire was declared OUT. At 1619 the 'all clear' alarm sounded. At 1638, the Emergency Director terminated the NOUE. The actual location of the fire was in a pipe chase between B-4 and B-3 Heaters and was caused by hot ceramic pellets from a heating blanket that was above the area of the location of the fire. The heating blankets were being used to pre-heat the piping in preparation for welding. A pigtail that feeds the blanket failed and some of the hot ceramic pellets from inside the blanket dropped down on to the plastic protecting the area below from foreign materials. The hot ceramic pellets on the plastic caused a small (approx. 3 inch diameter) fire. The active fire only lasted for approximately five minutes. All required notification were completed in a timely manner. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
Cooper  Nebraska (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-3.68 h-0.153 days <br />-0.0219 weeks <br />-0.00504 months <br />) | |
| Opened: | Phillip Martin 17:22 Oct 12, 2009 |
| NRC Officer: | Donald Norwood |
| Last Updated: | Oct 12, 2009 |
| 45428 - NRC Website
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WEEKMONTHYEARENS 539342019-03-15T10:46:00015 March 2019 10:46:00
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