ENS 47079
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ENS Event | |
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20:18 Jul 20, 2011 | |
Title | Offsite Notification - Press Release After Fire on Site |
Event Description | On July 20, 2011 at 1318 PDT, during performance of STP M-9A, 'Diesel Engine Generator Routine Surveillance Test,' personnel reported a fire on the Unit 1 Emergency Diesel Generator (EDG) 1-1. No abnormal indications were observed in the control room and no annunciator for 'Fire Detected' was received. Operators shutdown the EDG and the onsite fire department responded immediately.
On July 20, 2011 at 1322 PDT, personnel reported that the fire, which was centered around the exhaust insulation material, had been extinguished. EDG 1-1 is in a scheduled Maintenance Outage Window (MOW) and is not being relied on for emergency onsite power. The two sources of offsite power (the 230 kV startup system and the 500 kV system) along with the remaining two EDGs, are available and operable. Unit 2 was not affected by the event. The NRC Resident Inspector has been notified. A press release will be issued by the licensee. |
Where | |
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Diablo Canyon California (NRC Region 4) | |
Reporting | |
10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
Time - Person (Reporting Time:+-0.13 h-0.00542 days <br />-7.738095e-4 weeks <br />-1.78074e-4 months <br />) | |
Opened: | Dave Bahner 20:10 Jul 20, 2011 |
NRC Officer: | Mark Abramovitz |
Last Updated: | Jul 20, 2011 |
47079 - NRC Website
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Unit 1 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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