Calculating the lift of water with a motor

Lead and lift of water

How to calculate the lift of water. Motor is fixed at 20 feet distance from the sump. Foot valve depth is 8 feet. The pipeline to the motor from the foot valve 4 bends. From the motor the delivery to tank has 6 bends. Now please tell me if 0.5 hp motor is sufficient. How much water could be delivered in litres to a height of 15 metres in one hour?