The elevator inlet must be located in a lower part of the drain hole to transfer materials from the drain hole to the elevator, for which the elevator shaft is dug.The foundation of the elevator tower is the elevator shaft, and it is actually the location to place the elevator.The measurements of the elevator shaft vary based on the dimensions and number of elevators in the project.

The depth of the elevator shaft is also determined based on the depth of the drain hole or the depth limit of the ground.