Dewatering

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Dewatering

Groundwater control is essential to control the ground in cohesionless soils below the water table otherwise productive underground excavation cannot happen and the finished product may be compromised by soil movement.

Groundwater levels can be lowered by wells, vacuum well points or an educator system depending on the makeup of the soils.

Technicore has adapted to the new reality and has developed treatment systems that allow our tunnel works to proceed unhindered. We are now fabricating our own settlement tanks to use on the projects.

Managing the treatment of the extracted groundwater prior to its disposal to a sewer or watercourse has now become even more of a challenge than getting the water out of the ground.

Some jurisdictions are requiring treatment of the water to better-than-drinking-water standards prior to discharge. Natural ground water can be deemed to be too contaminated to be released to a storm sewer.