INES-event
INES 0

INFRINGEMENT OF THE REACTOR PRIMARY CIRCUIT INTEGRITY

On November 3, 1994 at 0:30 am unit 1 was shut down due to a leak in the primary circuit. With reference to the standard monitoring system the leak rate is about 10 litres/hour. The leak is located in unattended reactor building compartment 409/2 with the suction and pressure headers and large diameter primary circuit piping situated therein. The allowable leak rate for this compartment is 120 litres/hour. The exact location of the leak will be determined after reactor cooldown.
Provisional INES rating is level 0 (Table II 1-1 INES User's Manual)

Location: IGNALINA-1
Event date: Thu, 03-11-1994
Nuclear event report
Legenda & explanation