ENS Event | |
|---|---|
15:25 Nov 17, 2008 | |
| Title | Unusual Event Declared Due to Fire in Protected Area Lasting Greater than 15 Minutes |
| Event Description | Grand Gulf declared an unusual event at 0925 CST based on a fire in the protected area lasting longer than 15 minutes. The fire was discovered at 0911 CST under the B reactor feedwater pump. The fire involved oil accumulated under the feedwater pump. The fire brigade responded and extinguished the fire at 0935 CST. The B reactor feedwater pump was tripped offline and reactor power was reduced to 48% power due to the reduction in feedwater flow. The reactor is stable and there is no ongoing threat from the fire. There is no apparent damage to plant equipment and the cause of the oil leak is unknown at this time. The licensee plans to exit the UE when the licensee confirms there is no concern from fire reflash.
The license has notified the required State and local authorities. The NRC Resident Inspector has been notified.
Fire confirmed at 0911 CST in 'B' Reactor Feed Pump Turbine room. Plant power was reduced by Control Room; then "B" Reactor Feed Pump Turbine was tripped in order for the Fire Brigade to combat the fire. Unusual Event declared due to Fire in Protected Area lasting greater than 15 minutes. (HU4). Fire reported out at 0935. No external assistance is needed. Unusual Event terminated at 1134 CST. Licensee has notified the NRC Resident Inspector, and state and local agencies. Notified R4 RA (Collins), R4 (Cain), NRR (Leeds), NRR (Thorp), IRD (Grant), FEMA (Barden), DHS (Moore). |
| Where | |
|---|---|
Grand Gulf  Mississippi (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-4.62 h-0.193 days <br />-0.0275 weeks <br />-0.00633 months <br />) | |
| Opened: | Patrick Bludau 10:48 Nov 17, 2008 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Nov 17, 2008 |
| 44662 - NRC Website
Loading map... | |
Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (48 %) |
WEEKMONTHYEARENS 550562021-01-07T07:24:0007 January 2021 07:24:00
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