Event Notification Report for November 08, 2020
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
11/07/2020 - 11/08/2020
EVENT NUMBERS
54988
Power Reactor
Event Number: 54988
Facility: Millstone
Region: 1 State: CT
Unit: [] [2] [3]
RX Type: [1] GE-3,[2] CE,[3] W-4-LP
NRC Notified By: Jaramie Menje
HQ OPS Officer: Brian Lin
Region: 1 State: CT
Unit: [] [2] [3]
RX Type: [1] GE-3,[2] CE,[3] W-4-LP
NRC Notified By: Jaramie Menje
HQ OPS Officer: Brian Lin
Notification Date: 11/08/2020
Notification Time: 10:10 [ET]
Event Date: 11/08/2020
Event Time: 09:29 [EDT]
Last Update Date: 11/09/2020
Notification Time: 10:10 [ET]
Event Date: 11/08/2020
Event Time: 09:29 [EDT]
Last Update Date: 11/09/2020
Emergency Class: Unusual Event
10 CFR Section:
50.72(a) (1) (i) - Emergency Declared
10 CFR Section:
50.72(a) (1) (i) - Emergency Declared
Person (Organization):
ANNE DeFRANCISCO (R1DO)
JEFFERY GRANT (IRD)
HO NIEH (NRR)
DAVID LEW (R1 RA)
CHRIS MILLER (NRR EO)
ANNE DeFRANCISCO (R1DO)
JEFFERY GRANT (IRD)
HO NIEH (NRR)
DAVID LEW (R1 RA)
CHRIS MILLER (NRR EO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 2 | N | Y | 100 | Power Operation | 100 | Power Operation |
| 3 | N | N | 0 | Hot Standby | 0 | Hot Standby |
EN Revision Imported Date: 11/9/2020
EN Revision Text: UNUSUAL EVENT DUE TO EARTHQUAKE FELT ONSITE
Millstone Units 2 & 3 declared an Unusual Event at 0921 EST after an earthquake was felt onsite. The earthquake monitoring instrumentation did not actuate, and there were no station system actuations. No damage has been detected at this time.
Millstone has initiated their Abnormal Operating Procedure for an earthquake and performing station walkdowns.
The State of Massachusetts has been notified. The Waterford Police and U.S. Coast Guard have contacted the station. The NRC resident has been notified.
Notified DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
* * * UPDATE ON 11/09/2020 AT 0715 EST FROM JASON HARRIS TO THOMAS KENDZIA * * *
At 1510 EST on November 8, 2020, Millstone Units 2 & 3 exited the Unusual Event due to the earthquake following plant walkdowns that revealed no damage to plant structures, systems, or components. Station and System walkdowns identified no issues due to the earthquake. Millstone notified the State and local authorities, and the NRC Resident Inspector.
Notified R1DO (DeFrancisco), IRD (Grant), NRR (Nieh), R1RA (Lew), NRR EO (Miller), DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
EN Revision Text: UNUSUAL EVENT DUE TO EARTHQUAKE FELT ONSITE
Millstone Units 2 & 3 declared an Unusual Event at 0921 EST after an earthquake was felt onsite. The earthquake monitoring instrumentation did not actuate, and there were no station system actuations. No damage has been detected at this time.
Millstone has initiated their Abnormal Operating Procedure for an earthquake and performing station walkdowns.
The State of Massachusetts has been notified. The Waterford Police and U.S. Coast Guard have contacted the station. The NRC resident has been notified.
Notified DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
* * * UPDATE ON 11/09/2020 AT 0715 EST FROM JASON HARRIS TO THOMAS KENDZIA * * *
At 1510 EST on November 8, 2020, Millstone Units 2 & 3 exited the Unusual Event due to the earthquake following plant walkdowns that revealed no damage to plant structures, systems, or components. Station and System walkdowns identified no issues due to the earthquake. Millstone notified the State and local authorities, and the NRC Resident Inspector.
Notified R1DO (DeFrancisco), IRD (Grant), NRR (Nieh), R1RA (Lew), NRR EO (Miller), DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).