Event Notification Report for January 31, 2011
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
01/30/2011 - 01/31/2011
EVENT NUMBERS
46576
Power Reactor
Event Number: 46576
Facility: DAVIS BESSE
Region: 3 State: OH
Unit: [1] [] []
RX Type: [1] B&W-R-LP
NRC Notified By: SCOTT WISE
HQ OPS Officer: JOHN SHOEMAKER
Region: 3 State: OH
Unit: [1] [] []
RX Type: [1] B&W-R-LP
NRC Notified By: SCOTT WISE
HQ OPS Officer: JOHN SHOEMAKER
Notification Date: 01/31/2011
Notification Time: 10:14 [ET]
Event Date: 01/31/2011
Event Time: 08:49 [EST]
Last Update Date: 01/31/2011
Notification Time: 10:14 [ET]
Event Date: 01/31/2011
Event Time: 08:49 [EST]
Last Update Date: 01/31/2011
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):
RICHARD SKOKOWSKI (R3DO)
RICHARD SKOKOWSKI (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 |
EMERGENCY NOTIFICATION SYSTEM SIRENS INADVERTANTLY ACTUATED FOR 3 MINUTES
"At 0849 [EST] on 1/31/2011 the Emergency Notification System Sirens inadvertently actuated for 3 minutes. We [Davis Besse] have been informed by Ottawa county that the actuation signal appears to have originated from the Ottawa County Sherriff's dispatcher console. They also informed Davis Besse that Vendor Support is being requested to assist in the determination of the cause. The Ottawa County Emergency Management Agency is planning a news release for the inadvertent actuation."
The Emergency Notification System sirens were secured and are considered to be operable. The licensee notified the NRC Resident Inspector.
"At 0849 [EST] on 1/31/2011 the Emergency Notification System Sirens inadvertently actuated for 3 minutes. We [Davis Besse] have been informed by Ottawa county that the actuation signal appears to have originated from the Ottawa County Sherriff's dispatcher console. They also informed Davis Besse that Vendor Support is being requested to assist in the determination of the cause. The Ottawa County Emergency Management Agency is planning a news release for the inadvertent actuation."
The Emergency Notification System sirens were secured and are considered to be operable. The licensee notified the NRC Resident Inspector.