ENS 46240
ENS Event | |
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20:20 Sep 9, 2010 | |
Title | Emergency Sirens Inadvertently Actuate |
Event Description | At 1520 [CDT], Point Beach was notified by Manitowoc County Sheriff's Department (MCSD) and citizens of audible EP Siren actuation in the City of Two Rivers and the Town of Two Creeks, WI. System troubleshooting was in progress at the time of actuation.
Alert and Notification System Siren configuration was restored to normal at approximately 1630 [CDT]. All required ANS sirens were 'Poll tested' and are fully functional. Further reviews indicated that Sirens P-001 through P-013 (13 sirens) had each simultaneously received a 180 second activation. At this time the cause of the activation signal is unknown. All troubleshooting and testing are currently suspended; event investigation has commenced. The licensee notified the NRC Resident Inspector.
This notification is an update to ENS notification #46240 made by Point Beach. Notification #46240 was submitted September 9 at 2025 EDT regarding Point Beach notification by Manitowoc County Sheriff's Department (MCSD) and citizens of audible EP Siren actuation in the City of Two Rivers and the town of Two Creeks, WI. System troubleshooting was in progress at the time of actuation. This notification is to inform [the NRC] of the planned press release to inform the citizens of the affected communities of the event. At 0834 CDT 9/12/2010 Point Beach issued a letter to the Editor of Manitowoc Times Herald Times Reporter Newspaper regarding inadvertent Siren Activation. Corrective actions have been taken in the [Point Beach] EP siren maintenance program to avoid a recurrence and the Site Resident NRC Inspector has been notified. Notified the R3DO (Lipa). |
Where | |
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Point Beach ![]() Wisconsin (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
Time - Person (Reporting Time:+0.08 h0.00333 days <br />4.761905e-4 weeks <br />1.09584e-4 months <br />) | |
Opened: | Jamie Weigandt 20:25 Sep 9, 2010 |
NRC Officer: | Vince Klco |
Last Updated: | Sep 12, 2010 |
46240 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 511942015-06-30T21:35:00030 June 2015 21:35:00
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