Gravitational Water Pump [ModContest1]

A simple mod that add pumps that works by gravitation, no workers or power needed. Need to be placed that water/badwater goes above, the back side. The building can be flooded and stop working if front part is touched by water (its not block as a back part that takes water from above). Cost 1000 sciences points, building 10 planks, 5 gears, 5 TreatedPlanks. Collect slower than normal pump, but building itself is smaller.