INES-event
INES 1

FAILURE OF THE FOAM FIRE-EXTINGUISHING SPRINKLER SYSTEM TO OPERATE FOR 16 HOURS DUE TO FROZEN PIPES

The event occurred while unit 1 was in normal operation. The foam fire-extinghushing sprinkler system is meant for fighting a fire in the oil systems of the turbine building and main circulation pumps. In the morning of 7 February unit 1 pumps were put oput of operation for maintenance. The said fire extinguishing system was integrated with the similar system in unit 2. The latter with pumps ready to bstarted automatically. In the afternoon the regular

Location: IGNALINA-1
Event date: Mon, 07-02-1994
Nuclear event report
Legenda & explanation