Tag Archives: Dewatering

Waterproofing structural elements in the water table

June 2, 2021

Waterproofing below-grade portions of buildings is increasingly important to owners as technological advancements and limited city space have pushed basements deeper into the ground and further into water tables.

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Complex dewatering underway at Colorado mixed-use community

June 3, 2019

Temporary dewatering and groundwater treatment systems have been installed for a highly anticipated mixed-use development in Reve, Boulder, Colorado. With the dewatering system up and running, the excavation of both the north and south parcels has reached its target subgrade of 8 m (26 ft) below ground surface, despite having to perform the work throughout Boulder’s winter months.

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Denver mid-rise employs unusual dewatering method for foundation

July 16, 2018

One of Denver’s first cross-laminated timber (CLT) mid-rises has employed a rarely utilized means of groundwater control, known as ejector well dewatering. One of the benefits of this system is ability to lower groundwater to the maximum extent possible, allowing for the excavation and installation of the foundation mat slabs and waterproofing membrane in “near-dry” conditions.

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Construction Dewatering: Understanding its effect on below-grade waterproofing

July 29, 2016

Construction site dewatering is used to locally control and lower groundwater levels in the vicinity of the excavation. This is typically done to maintain soil conditions needed during, and occasionally after, construction—for example, to keep soil dry enough for construction loads, installing building materials, or safe working conditions.

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