Foam Suppression - Fire Defence Servicing

Check that all gauges and indicators are working correctly.
Check system (including piping and nozzles) is in its designated position and is free from damage, dirt or dust and is not leaking.
Check that the quantity of foam concentrate or premixed solution is correct.
Check the fire risk and its enclosure have not changed.
Check all controls are properly set and accessible.
Check the water supply is available and at the correct pressure.
Check to ensure that any personnel who may have to use the equipment are properly

Inspect foam proportioners/inductors.
Examine piping and if any piping is damaged or corroded carry out a hydraulic pressure test.
Clean and inspect all strainers and/or foam making gauzes – this also needs to be done following any test or discharge of the system.
Check all manual and automatic valves for operation and function.
Visually inspect foam concentrate tanks without draining for deterioration and/or damage.
Check spare foam containers for deterioration and/or damage.
Take a 1 litre foam sample from foam tanks and/or systems and have these laboratory tested and a report issued. This applies to concentrate, premixed foam

solution and pre-primed water/foam systems.
Exercise each foam proportioning system and take a sample of the foam produced. Check the sample for correct proportioning.
As required by other statutory regulations (e.g. pressure vessels regulations, pressure equipment directives etc.) but otherwise as and when convenient (e.g. Following emptying of tank for some reason) – internally inspect all tanks.
Test all detection systems in accordance with BS5839-1.