An elevated tank is used co supply water to a building located 4800 ft away as shown in Figure P7.24. The water will be carried through a 12-inch cast iron pipe and the specified flow rate is 1000...

An elevated tank is used co supply water to a building located 4800 ft away as shown in Figure P7.24. The water will be carried through a 12-inch cast iron pipe and the specified flow rate is 1000 gpm. The fire code requires that a pressure of 30 psi be available in

the line at the building site. What should be the height of the water in the tank above the invert of the building to get the job done? Assume additional length of 200 ft for pipe connections and water temperature of 60°F.