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Automatic Fire Suppression Watermist Activation: School

28 February 2023

  • Fire Rescue Service; Kent Fire Rescue Service (KFRS)
  • Incident; Educational building fire
  • When; 28/02/2023
  • Where, Hawkhurst, Kent
  • Type of Premises; School
  • Automatic fire suppression System: Low Pressure Watermist System designed and installed to BS8489

The above-mentioned incident has been reported resulting in the activation of the premises watermist system.

The premises consists of a co-educational nursery, pre-prep and prep preparatory school for children aged 3 to 13. The fire took place within a two-storey building containing 2x design, technology workshops on the ground floor with 4 additional classrooms on the first floor.


  • During a workshop school lesson, a fire broke out involving a laser cutter.
  • Activating the premises fire alarm system, nearest water mist nozzle adjacent to the fire.
  • The school emergency plan was implemented resulting in the school being evacuated.
  • The fire was contained, controlled, and extinguished by the activation of one watermist nozzle head within the compartment of origin.
  • The watermist system was isolated by maintenance staff following assessment the fire had been extinguished preventing water collateral damage

This system actuation ensured that:

  • Damaged caused by the fire and subsequent firefighting actions by the FRS was minimal.
  • Students were able to return to the premises within an hour following the close of the incident.
  • The classroom involved with the fire was able to be reoccupied the next day following the reinstallation of the watermist system and completion of minor cosmetic repairs.

Further information about watermist systems  is contained in the BAFSA publication BIF 9



28 February 2023