Laka Foundation
INES-event
INES 1

Triggering of the fire sprinkler system in a fuel production facility at a research center

During an exercise, the fire sprinkler system in a laboratory building was activated. Approximately 2000 liters of water affected 9 rooms in the facility. The water was gathered and collected in storage tanks. No radioactive contamination was detected in the water nor in the equipment used in the cleanup.

On the day of the event a live action exercise was being conducted. The fire sprinkler system had been turned off so that smoke machines would not trigger them. When the fire sprinkler system was re-activated, a pre-warning was triggered at the fire station and the sprinklers were accidentally activated. 10 sprinklers were active for approximately 15 minutes, resulting in 2000 liters of water pooling on the floors of 9 rooms in the facility.

There has been no contamination detected in the resulting water. Tools used to swab the water, and the floors themselves, were also tested for contaminants after the water was cleaned up. Background levels in the facility are normal.

Location: Institute for Energy Technology, Kjeller
Event date: Wed, 04-09-2024
Nuclear event report
Legenda & explanation