Event Notification Report for May 27, 2020
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
05/26/2020 - 05/27/2020
EVENT NUMBERS
54729
Power Reactor
Event Number: 54729
Facility: Cook
Region: 3 State: MI
Unit: [1] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Jim Havlik
HQ OPS Officer: Brian Lin
Region: 3 State: MI
Unit: [1] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Jim Havlik
HQ OPS Officer: Brian Lin
Notification Date: 05/27/2020
Notification Time: 11:35 [ET]
Event Date: 05/27/2020
Event Time: 09:12 [EDT]
Last Update Date: 05/27/2020
Notification Time: 11:35 [ET]
Event Date: 05/27/2020
Event Time: 09:12 [EDT]
Last Update Date: 05/27/2020
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(2)(xi) - Offsite Notification
10 CFR Section:
50.72(b)(2)(xi) - Offsite Notification
Person (Organization):
LAURA KOZAK (R3DO)
LAURA KOZAK (R3DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
| 2 | N | Y | 100 | Power Operation | 100 | Power Operation |
OFFSITE NOTIFICATION DUE TO INADVERTENT ACTUATION OF SIRENS
"On 5/27/20 at approximately 0912 EDT, the Operations Shift Manager was made aware that the Berrien County Sheriff's Department (BCSD) inadvertently actuated the emergency sirens during a planned weekly test. BCSD notified Cook Nuclear Plant that an audible test was initiated instead of a silent test. All Emergency Notification sirens remain in service. No press release is planned by the licensee at this time.
"This notification is being made under 10 CFR 50.72(b)(2)(xi), Offsite Notification, as a four (4) hour report.
"The licensee has notified the NRC Resident Inspector."
"On 5/27/20 at approximately 0912 EDT, the Operations Shift Manager was made aware that the Berrien County Sheriff's Department (BCSD) inadvertently actuated the emergency sirens during a planned weekly test. BCSD notified Cook Nuclear Plant that an audible test was initiated instead of a silent test. All Emergency Notification sirens remain in service. No press release is planned by the licensee at this time.
"This notification is being made under 10 CFR 50.72(b)(2)(xi), Offsite Notification, as a four (4) hour report.
"The licensee has notified the NRC Resident Inspector."