30 septembre 2013
Le système d’intervention d’urgence de l’installation [Emergency Off-Site Facility (EOF)] ne remplissait pas sa fonction : avec le système de filtrage en service, le taux de fuite dépassait les critères fixés. Des travaux auraient permis de rétablir la conformité du système.
Première divergence : octobre 1984 - Puissance : 3 565 MWTh - type PWR -
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Event Number : 49398 Facility : CALLAWAY - 4 State : MO - Unit : [1] RX Type : [1] W-4-LP - Event Date : 09/30/2013 - Event Time : 22:57 Emergency Class : NON EMERGENCY 10 CFR Section : 50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE Initial PWR : 100 % Current PWR : 100 %
Event Text
OFF-SITE EMERGENCY OPERATIONS FACILITY DECLARED INOPERABLE DUE TO AIR IN-LEAKAGE
"At 2257 CDT on September 30, 2013 the Callaway Plant Emergency Off-Site Facility (EOF) was declared nonfunctional due to air in-leakage outside acceptance criteria while ventilation is in filtration mode.
"Efforts are underway to restore the air in-leakage within acceptance criteria at the EOF.
"If EOF activation is necessary during the period of EOF non-functionality, the Recovery Manager will evaluate the suitability of the facility for the specific conditions of the event.
"This notification is being made in accordance with 10 CFR 50.72(b)(3)(xiii) due to the unavailability of an emergency response facility.
"The NRC Senior Resident Inspector has been notified."
* * * UPDATE FROM RICHARD HUGHEY TO JOHN SHOEMAKER AT 0248 EDT ON 10/02/13 * * *
"Repairs were made to the EOF ventilation system and all required post-maintenance testing has been completed satisfactorily. The EOF has been restored to a functional status."
The licensee will notify the NRC Resident Inspector.
Notified R4DO (Gepford).
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