19 juin 2013
Déchargement intempestif de CO2 dans le bâtiment des auxiliaires nucléaires. L’urgence a été déclarée par l’Autorité de sûreté.
La cause de "l’incident" est en cours de recherche
1ère divergence août 1982 - Type BWR Mark 3 - P : 1 251 MW
Available in english only.
Facility : GRAND GULF - State : MS - Unit : [1] - RX Type : [1] GE-6
Event Date : 06/19/2013 - Event Time : 14:10
Emergency Class : UNUSUAL EVENT 10 CFR Section : 50.72(a) (1) (i) - EMERGENCY DECLARED
Initial PWR 100 % Current PWR 100 %
Event Text
UNUSUAL EVENT DECLARED DUE TO CO2 RELEASE IN THE AUXILIARY BUILDING
At 1410 CDT, Grand Gulf declared an Unusual Event for EAL H.U.5, release of toxic and flammable gases adverse to normal operation of the plant. CO2 was discharged in the electrical switchgear room in the auxiliary building. No injuries or fatalities were found after an initial search of the area. The cause of the CO2 discharge is under investigation.
The NRC Resident Inspector was notified.
Notified DHS SWO, FEMA, DHS NICC, and Nuclear SSA via email.
* * * UPDATE ON 1748 EDT AT 6/19/2013 FROM RUSSELL BURDITT TO DONG PARK * * *
"All areas of the auxiliary building have been verified to have no oxygen deficiency." The Unusual Event was terminated at 1628 CDT.
The NRC Resident Inspector was notified. Notified R4DO (Walker), NRR EO (Giitter), and IRD (Marshall).
Notified DHS SWO, FEMA, DHS NICC, and Nuclear SSA via email.
Event Number : 49136
https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2013/20130620en.html
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