Event Notification Report for May 19, 2020
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
05/18/2020 - 05/19/2020
Non-Power Reactor
Event Number: 54719
Rep Org: Dow Chemical Company
Licensee: Dow Chemical Company
Region: 0
City: Midland State: MI
County: Midland
License #: R-108
Agreement: N
Docket: 05000264
NRC Notified By: Siaka Yusuf
HQ OPS Officer: Brian P. Smith
Licensee: Dow Chemical Company
Region: 0
City: Midland State: MI
County: Midland
License #: R-108
Agreement: N
Docket: 05000264
NRC Notified By: Siaka Yusuf
HQ OPS Officer: Brian P. Smith
Notification Date: 05/19/2020
Notification Time: 20:28 [ET]
Event Date: 05/19/2020
Event Time: 19:30 [EDT]
Last Update Date: 05/21/2020
Notification Time: 20:28 [ET]
Event Date: 05/19/2020
Event Time: 19:30 [EDT]
Last Update Date: 05/21/2020
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):
WILLIAM GOTT (IRD)
BETH REED (NPR)
GEOFFREY WERTZ (NPR)
HO NIEH (NRR)
JEFFREY GRANT (IRD)
WILLIAM GOTT (IRD)
BETH REED (NPR)
GEOFFREY WERTZ (NPR)
HO NIEH (NRR)
JEFFREY GRANT (IRD)
NOTICE OF UNUSUAL EVENT DUE TO DAM BREAK AND POTENTIAL FLOODING AT SITE
At approximately 1930 EDT on May 19, 2020, the Dow Chemical Company TRIGA Reactor received notification of an upstream dam break in Sanford, Michigan and the potential to flood the facility. A Notification of Unusual Event was subsequently declared at 1930 EDT.
The reactor was in a shutdown condition at the time of the event and has been due to COVID-19.
The licensee is monitoring the flood situation in the area and licensee personnel have responded to the site. The NRC remains in the normal mode of operations.
Notified DHS SWO, FEMA Operations Center, CISA IOCC, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
* * * UPDATE ON 5/21/2020 AT 0850 EDT FROM SIAKA YUSUF TO JEFFREY WHITED * * *
At 0850 EDT on May 21, 2020, the Dow Chemical Company TRIGA Reactor Terminated the Notification of Unusual Event. The event was terminated after flood water receded. The flood water receded faster than was expected.
As stated, the reactor was in a shutdown condition at the time of the event. There was no effect on the reactor due to the flood water.
Notified NPR PM (Wertz and Reed), NRR EO (Miller) IR MOC (Grant), DHS SWO, FEMA Operations Center, CISA IOCC, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
At approximately 1930 EDT on May 19, 2020, the Dow Chemical Company TRIGA Reactor received notification of an upstream dam break in Sanford, Michigan and the potential to flood the facility. A Notification of Unusual Event was subsequently declared at 1930 EDT.
The reactor was in a shutdown condition at the time of the event and has been due to COVID-19.
The licensee is monitoring the flood situation in the area and licensee personnel have responded to the site. The NRC remains in the normal mode of operations.
Notified DHS SWO, FEMA Operations Center, CISA IOCC, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
* * * UPDATE ON 5/21/2020 AT 0850 EDT FROM SIAKA YUSUF TO JEFFREY WHITED * * *
At 0850 EDT on May 21, 2020, the Dow Chemical Company TRIGA Reactor Terminated the Notification of Unusual Event. The event was terminated after flood water receded. The flood water receded faster than was expected.
As stated, the reactor was in a shutdown condition at the time of the event. There was no effect on the reactor due to the flood water.
Notified NPR PM (Wertz and Reed), NRR EO (Miller) IR MOC (Grant), DHS SWO, FEMA Operations Center, CISA IOCC, FEMA NWC (email), DHS Nuclear SSA (email), and FEMA NRCC SASC (email).
Power Reactor
Event Number: 54718
Facility: Watts Bar
Region: 2 State: TN
Unit: [] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Philip Stevens
HQ OPS Officer: Brian P. Smith
Region: 2 State: TN
Unit: [] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Philip Stevens
HQ OPS Officer: Brian P. Smith
Notification Date: 05/19/2020
Notification Time: 19:57 [ET]
Event Date: 05/19/2020
Event Time: 13:29 [EDT]
Last Update Date: 05/19/2020
Notification Time: 19:57 [ET]
Event Date: 05/19/2020
Event Time: 13:29 [EDT]
Last Update Date: 05/19/2020
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(v)(D) - Accident Mitigation
10 CFR Section:
50.72(b)(3)(v)(D) - Accident Mitigation
Person (Organization):
MARK MILLER (R2DO)
MARK MILLER (R2DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 2 | N | N | 0 | Hot Standby | 0 | Hot Standby |
CONTROL ROOM ENVELOPE INOPERABLE
"At 1329 EDT on May 19, 2020, it was discovered that the main control room (MCR) envelope was inoperable due to a control room envelope (CRE) door being found ajar; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). The CRE door was closed, restoring the MCR envelope to operable at 1331 EDT. There was no impact on the health and safety of the public or plant personnel.
"The NRC Resident Inspector has been notified."
"At 1329 EDT on May 19, 2020, it was discovered that the main control room (MCR) envelope was inoperable due to a control room envelope (CRE) door being found ajar; therefore, this condition is being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(v). The CRE door was closed, restoring the MCR envelope to operable at 1331 EDT. There was no impact on the health and safety of the public or plant personnel.
"The NRC Resident Inspector has been notified."