The Ontario Building Code | Water Supply for 38 mm Hose Connections
3.2.9.6. water Supply for 38 mm Hose Connections
(1) If a standpipe and hose system is required, the water supply shall be sufficient to provide a flow, measured at each of the two hydraulically most remote 38 mm diam hose connections,
(a) of not less than 380 L/min,
(b) for not less than 30 min,
(c) at a pressure of not less than 450 kPa, and
(d) of not less than 190 L/min from each of the two outlets simultaneously.
In Plain Language
This clause requires periodic testing and maintenance of standpipe systems consistent with the relevant referenced standard, ensuring the system performs as designed when actually needed during a fire.
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.