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WELLPOINT SYSTEMS WITH PREFILTER

The wellpoint system “with pre-filter” represents a special technique of installing a normal wellpoint system, which is used to drain all of the soils in silt matrix, or laminated silt-clay in general, is realized with the installation of the wellpoint through the perforation of the soil by using a oleodynamic drill or a coring machine.

Is created a vertical drain, around the intake filter, the wellpoint, which connects between them the more permeable layers of the soil, allowing to capture water from the pumping sistem placed in the bottom of the hole to be pumped from the plant pumping , in turn, is removed by means of a pump in a receiving body, such as a sewer or a discharge channel.

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