14 juin 2013
Décharge intempestive d’un volume important de CO2 dans le bâtiment turbine du réacteur n° 2. L’origine de la décharge de ce CO2 du système anti-incendie est en cours de recherche. L’urgence a été déclarée lors de la survenue de ce problème.
1ère divergence août 1987 - Type : PWR - P 885 MWe
Available in english only.
Power Reactor Facility : BEAVER VALLEY - State : PA - Unit : [2] RX Type : - W-3-LP
Event Date : 06/14/2013 - Event Time : 08:35
Emergency Class : UNUSUAL EVENT 10 CFR Section : 50.72(a) (1) (i) - EMERGENCY DECLARED 50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Initial PWR : 100 % Current PWR : 100 %
Event Text
UNUSUAL EVENT DECLARED DUE TO HIGH CO2 LEVELS IN THE TURBINE BUILDING
"Beaver Valley Unit 2 declared an Unusual Event (EAL HU.5, Toxic Gas Release) at 0835 EDT hours due to a CO2 (Toxic Gas) discharge in the turbine building. No report of fire and no injuries resulted from discharge. At 0851 EDT, the turbine building was clear of any detectible CO2. There was no operational impact from the CO2 discharge. The cause of the CO2 discharge is under investigation. The required states and counties were notified. The Resident NRC inspector was notified."
The inadvertent CO2 discharge was from the turbine fire protection system which now isolated while troubleshooting is in progress.
Notified DHS SWO, FEMA, DHS NICC, and Nuclear SSA via email.
* * * UPDATE FROM JAMES SCHWER TO CHARLES TEAL ON 6/14/13 AT 1006 EDT * * *
"Beaver Valley Unit 2 has terminated the Unusual Event at 0955 EDT * * *
Event Number : 49116
https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2013/20130617en.html#en49116
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