Advanced Construction Techniques Ltd. (ACT)
Cutoff Walls
A cement-bentonite or soil-bentonite Cut-Off Wall’s (COW) primary purpose is to mitigate the flow of groundwater. The COW is constructed using a trench cutter and can be installed in almost any soil conditions. The trench cutter makes ‘bites’ to excavate rectangular panels in the earth.
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The plan geometry is infinitely variable, to accommodate any plan layout of the future structure within the COW barrier. The COW acts as a barrier, enabling varying construction to proceed inside the cut-off wall. When the panels are contiguously cut, the perimeter of the COW can total thousands of feet in length.
- Cut-off Wall up to 8 feet (2.5 m) wide
- Cut-off Wall to depths exceeding 400 feet (120 m)
- Infinite plan geometry able to encompass any shape
