14 juillet 2017
Un problème électrique est à l’origine de la perte de ce système qui est un lieu de repli en cas d’urgence déclarée sur le réacteur. Si les plans de contournement d’urgence de ce problème ne fonctionnaient pas et que ce lieu devienne inhabitable (problèmes de température ambiante, radiologiques ou autres) les personnels seraient déplacés vers un autre lieu.
Type : Fukushima 1 (BWR Mark1) - Puissance : 1 930 MWth - Première divergence : 5 / 1969 -
Available in english only
Event Number : 52861
Facility : OYSTER CREEK
State : NJ
Unit : [1] - RX Type : [1] GE-2
Event Date : 07/14/2017 - Event Time : 17:24 [EDT]
Emergency Class : NON EMERGENCY 10 CFR Section : 50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE Person (Organization) : ANTHONY DIMITRIADIS (R1DO)
Initial PWR : 100 % Current PWR : 100 %
Event Text
LOSS OF THE TECHNICAL SUPPORT CENTER VENTILATION SYSTEM
"Oyster Creek Generating Station has experienced a loss of the Technical Support Center (TSC) ventilation system due to an electrical perturbation.
"If an emergency is declared requiring TSC activation during the time TSC ventilation is non-functional, the TSC will be staffed and activated using existing emergency planning procedures unless the TSC becomes uninhabitable due to ambient temperature, radiological, or other conditions. If relocation of the TSC becomes necessary, the Emergency Director will relocate the TSC staff to an alternate location in accordance with applicable site procedures.
"This notification is being made in accordance with 10 CFR 50.72(b)(3)(xiii) due to a loss of the TSC. An update will be provided once the TSC ventilation has been restored to normal operation.
"The NRC Resident Inspector has been notified."
* * * UPDATE AT 0537 EDT ON 07/15/17 FROM JIM RITCHIE TO S. SANDIN * * *
TSC ventilation was restored at 0128 EDT on 07/15/17. The licensee will inform the NRC Resident Inspector.
Notified R1DO (Dimitriadis).
https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2017/20170717en.html
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