INES-event
INES 1

Violation of limits and conditions - a late test of emergency core cooling system pumps

At 10:17 a dieselgenerator was unavailable because of a special test. In such case it is necessary according to the limits and conditions to test all pumps of the emergency core cooling system which are available (two out of three safety channels) during four hours. This test was performed later at 15:19 and L&C was violated.
Justification of rating: According to the INES User's Manual Tab. 1 (violation of L&C) - adequate safety function availability and in connection with Section III-5.3 (safety culture) this event was rated as level 1.

Location: DUKOVANY-2
Event date: Tue, 16-04-1996
Nuclear event report
Legenda & explanation