ENS 42985
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ENS Event | |
|---|---|
11:30 Nov 11, 2006 | |
| Title | Unusual Event Declared Due to an Electrical Fire Involving Heat Trace |
| Event Description | At 0530 CST, CNS declared an Unusual Event per EAL 5.1.1 "Any fire within the Protected Area which takes longer than 10 minutes to extinguish," due to a fire involving the Standby Liquid Control (SLC) heat tracing. Operators in the control room received a report from the Refueling Floor that heat trace installed on piping of the SLC System in Reactor Building 976 East was "arcing & sparking." Responders on-scene extinguished the fire after de-energizing the heat trace by opening the associated electrical feeder breaker. All personnel are accounted for and there are no reported injuries.
The licensee will conduct a comprehensive review to determine the extent of damage. The SLC System is a TS required safety system but is not required for current plant conditions. No other safety-related equipment was affected. The licensee is not augmenting staff in response to this event and no offsite assistance was requested. The licensee informed State and local agencies and the NRC Resident Inspector who is enroute to the site.
The licensee terminated the Unusual Event at 0558 CST on 11/11/06 based on the judgment of Station Management since the extent of condition is well understood, the affected electrical circuit is isolated and that no reflash watch is necessary. The licensee informed State and local agencies and the NRC Resident Inspector. Notified R4DO (Clark), EO (Bateman), IRD (Wilson), DHS (Gomez) and FEMA (Sweetser).
|
| Where | |
|---|---|
Cooper  Nebraska (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-4.73 h-0.197 days <br />-0.0282 weeks <br />-0.00648 months <br />) | |
| Opened: | Scott Coon 06:46 Nov 11, 2006 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Nov 11, 2006 |
| 42985 - NRC Website
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Cooper with 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration | |
WEEKMONTHYEARENS 567862023-10-10T20:53:00010 October 2023 20:53:00
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