In Plain Language

This clause requires a fire department connection (siamese connection) be provided where a building has a standpipe or sprinkler system, so firefighters can pump additional water into the system from outside the building.

This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.