What horsepower pump would be required to transfer water at a flow rate of 100 gpm from tank A to tank B if the liquid surface in tank A is 8 ft above ground and that in tank B is 45 ft above ground?...

What horsepower pump would be required to transfer water at a flow rate of 100 gpm from tank A to tank B if the liquid surface in tank A is 8 ft above ground and that in tank B is 45 ft above ground? The piping between tanks consists of 150 ft of 11 2 in. sch 40 pipe and 450 ft of 2 in. sch 40 pipe, including 16 908 standard elbows and four open globe valves.