SCHEDULE 20NON-PORTABLE FOAM FIRE EXTINGUISHERS

6

A reinforced discharge hose shall be provided, together with a nozzle, the area of which shall be such that, when the extinguisher is operated, the foam is projected a distance of 14 metres for a period of not less than 100 seconds in the case of an extinguisher of 136 litres capacity or over, and a distance of 11 metres for a period of not less than 90 seconds in the case of an extinguisher of under 136 litres.