ENS 52904
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ENS Event | |
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11:48 Aug 15, 2017 | |
Title | Unusual Event Due to Fire Alarm in Containment |
Event Description | On August 15, 2017 at 0748 EDT, an Unusual Event was declared at Millstone Unit 2 due to a fire alarm indication in containment that was unable to be verified extinguished within 15 minutes. Current containment parameters do not indicate an actual fire. A containment entry is planned to verify that there is no fire. Unit 2 continues at 100% power. Unit 3 was unaffected. The NRC remains in Normal mode.
The licensee notified the NRC Resident Inspector and State and local government agencies. Notified DHS SWO, FEMA Ops Center, DHS NICC. Notified FEMA National Watch and Nuclear SSA via E-mail.
At 0951 EDT, the Unusual Event was terminated. No signs of an actual fire were present upon containment entry. All alarms are cleared and they are investigating the cause of the alarm. The licensee notified the NRC Resident Inspector and State and local government agencies. Notified R1DO (Gray), NRR EO (Miller), and IRD (Gott). Notified DHS SWO, FEMA Ops Center, DHS NICC. Notified FEMA National Watch and Nuclear SSA via E-mail. |
Where | |
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Millstone Connecticut (NRC Region 1) | |
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: | Todd Stringfellow 08:07 Aug 15, 2017 |
NRC Officer: | Donald Norwood |
Last Updated: | Aug 15, 2017 |
52904 - NRC Website
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Unit 2 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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