thanks for your input. The specs for the Mississauga pumpers were taken directly from the UL plates which give the rated capacity of the pump and the size of the water tank (usually in litres). For example, on P104 the size of the water tank is listed as being 2604 litres which converts to 580 Imperial gallons. For the size of the foam tank, the fire fighter/operator referred to the spec book carried in each rig that gave us the 50 Imperial gallon number.
In Toronto's case, the pumps are rated at 1250 igpm although they are, in fact, 2,000 gpm. pumps. I believe Toronto has used this practice for many years. I prefer to use the numbers as quoted on the UL plate although others may use the size of the pump as built. Once again, the water tank capacities are listed on the UL plate. For example, R321 carries 2241 litres or 500 Imperial gallons of water.
In Toronto's case, the pumps are rated at 1250 igpm although they are, in fact, 2,000 gpm. pumps. I believe Toronto has used this practice for many years. I prefer to use the numbers as quoted on the UL plate although others may use the size of the pump as built. Once again, the water tank capacities are listed on the UL plate. For example, R321 carries 2241 litres or 500 Imperial gallons of water.