Given: finely perforated pipes are driven vertically into the ground around the perimeter of an area to be excavated. These pipes are connected to one or more above-ground pump. In order to lower and maintain a redu ced water table during site construction. What is the common name for this de-watering system?

Given: finely perforated pipes are driven vertically into the ground around the perimeter of an area to be excavated. These pipes are connected to one or more above-ground pump. In order to lower and maintain a redu ced water table during site construction. What is the common name for this de-watering system?