INES-event
INES 1

Violation of limts and conditions - a late test of spray pumps

At 8:24 a dieselgenerator was unavailable (because of a leakage on fuel hose-pipe for pressure measurement), According to the limits and conditions it is necessary to test the remaining two spray pumps during four hours. A gradual shutdown of the reactor was started at 23:03 when a violation of L&C was recognized. The test was performed at 23:17 and the gradual shutdown was stopped.
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-4
Event date: Mon, 08-07-1996
Nuclear event report
Legenda & explanation