The Ontario Building Code | Water Supply for 38 mm Hose Connections
220.127.116.11. water Supply for 38 mm 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.