Event Notification Report for May 30, 2010
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
05/29/2010 - 05/30/2010
EVENT NUMBERS
45966
Power Reactor
Event Number: 45966
Facility: PRAIRIE ISLAND
Region: 3 State: MN
Unit: [1] [2] []
RX Type: [1] W-2-LP,[2] W-2-LP
NRC Notified By: TOM HOLT
HQ OPS Officer: VINCE KLCO
Region: 3 State: MN
Unit: [1] [2] []
RX Type: [1] W-2-LP,[2] W-2-LP
NRC Notified By: TOM HOLT
HQ OPS Officer: VINCE KLCO
Notification Date: 06/01/2010
Notification Time: 12:10 [ET]
Event Date: 05/30/2010
Event Time: 21:15 [CDT]
Last Update Date: 06/01/2010
Notification Time: 12:10 [ET]
Event Date: 05/30/2010
Event Time: 21:15 [CDT]
Last Update Date: 06/01/2010
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):
PATTY PELKE (R3DO)
PATTY PELKE (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 | 98 | Power Operation | 100 | Power Operation |
LATE NOTIFICATION OF A SINGLE INADVERTENT SIREN ACTIVATION DURING THUNDERSTORM ACTIVITY
"At approximately 2115 CDT on May 30, 2010, a Pierce County dispatcher was notified of inadvertent siren activations, momentarily activating for approximately 30 minutes. The dispatcher also indicated there were lightning strikes in the area about the same time. The siren vendor was dispatched and the issue was tracked down to a single siren; no physical damage was observed, however, the siren was declared out of service by the siren vendor."
The licensee notified the NRC Resident Inspector.
"At approximately 2115 CDT on May 30, 2010, a Pierce County dispatcher was notified of inadvertent siren activations, momentarily activating for approximately 30 minutes. The dispatcher also indicated there were lightning strikes in the area about the same time. The siren vendor was dispatched and the issue was tracked down to a single siren; no physical damage was observed, however, the siren was declared out of service by the siren vendor."
The licensee notified the NRC Resident Inspector.