Waterwheel with 2nd circulation

The idea was to create a waterwheel, which is driven by a water pump und additional lifts water into a second circulation to feed a waterwork (plateaus).

The waterlevel must be almost under the wheel so the three buckets can fill themselves with water.

Additionally you have to use aluminum strives for the frame and a PVC hose for the pump.
In the top item i have drilled 3 whole to the back and to the sides into the aluminium and the hose, but not in the direction of the wheel so the water