CONSTRUCTION site before a building’s foundation is placed. The various type of pumps such as Centrifugal, DISPLACEMENT, airlift and submersible pumps may be USED for this purpose.Centrifugal pumps contain a rotating impeller which creates a vortex that sucks the air out of the hose. Water RISES to the pump as a RESULT of atmospheric pressure.Hence, the centrifugal pumps are better options as they can lift the pump up to great height.