HYDROQUIP PUMP & DEWATERING
Dewatering is the temporary lowering of the watertable for the purpose of construction, compaction and drainage. This is achieved by using various types of pumps, shallow wells, deep wells, eductor systems, well points and trenching systems to drain the groundwater from the soil.
Hydroquip Designs installs and rents dewatering systems and equipment to fit any project.
What Is Dewartering?
Wellpoint systems use a series of small diameter wells connected
to a common suction manifold. Hundreds of wellpoints can be connected
to just one wellpoint pump. These types of systems work well in highly variable soils and in shallow aquifers where the water is drawn
down very close to an impervious layer.
Ejectors use individual nozzle and venturi-type pumps powered by a centrally located pumping station to draw groundwater from a series
of small diameter wells. Ejector systems eliminate vacuum lift limitations associated with wellpoints. This factor makes ejector systems
ideal for fine-grained soils and on projects where substantial drawdown is
required.
Wells are a groundwater control system made up of a series suitably screened and filtered collection devices, each equipped with its
own
submersible pumping unit. Wells are a flexible dewatering option, as they can be installed in depths as shallow as 25 feet, or
go as deep as several hundred feet. Wells are best implemented when soils to be dewatered are permeable and the aquifer extends well
below subgrade.