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.