ENS 50235
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ENS Event | |
|---|---|
22:35 Jun 27, 2014 | |
| Title | Offsite Notification Due To An Inadvertent Activation Of An Emergency Siren |
| Event Description | At approximately 1535 Pacific Daylight Time (PDT) the Diablo Canyon Power Plant [DCPP] Emergency Planning Supervisor received a notification from an offsite DCPP employee that one of the emergency plan sirens had inadvertently actuated. The DCPP Shift Manager was notified of the situation by approximately 1545 PDT.
The County of San Luis Obispo was notified of the inadvertent actuation of the single siren. At approximately 1550 PDT the County of San Luis Obispo sent out a county wide alert stating, 'Civil Emergency in this area until [1610] PDT prepare for action'. At approximately 1600 PDT the County of San Luis Obispo sent out another county wide alert stating, 'An early warning system siren was sounded in error. There is no emergency.' Field technicians have been sent out to the siren location and will shut the siren off. The cause of the inadvertent actuation of the siren is not known at this time. The licensee notified the NRC Resident Inspector and the County of San Luis Obispo. |
| Where | |
|---|---|
Diablo Canyon  California (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-2.03 h-0.0846 days <br />-0.0121 weeks <br />-0.00278 months <br />) | |
| Opened: | Eric Werner 20:33 Jun 27, 2014 |
| NRC Officer: | Vince Klco |
| Last Updated: | Jun 27, 2014 |
| 50235 - 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 %) |
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