DEFINITION
Class 4 fire sprinkler/standpipe system

Class 4 fire sprinkler/standpipe system means an assembly of pipes and fittings that conveys water from the water service pipe or fire service main to the sprinkler/standpipe system's outlets and is directly connected to the public water supply main (similar to Class 1 and Class 2 fire sprinkler/standpipe systems) and to an auxiliary water supply dedicated to fire department use that is located within 520 m of a pumper connection.

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