Construction Dewatering: Ejectors

Ejector, also known as eductor-dewatering systems, are used to control pore pressures. They also lower groundwater levels in silty fine sands and laminated silts and clays.

Ejector pumping stations located centrally feed high-pressure water to the base of the wells via an ejector body. The flow of water through the nozzle generates suction in the well drawing in groundwater.

Ejectors can dramatically improve ground conditions up to depths of 50m. WJ is the industry leader in the design, installation and maintenance of ejector systems.

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