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Sub Soil Drainage

Slope stabilisation is greatly enhanced with the management of ground water seepage. Specialist Site Services have installed Horizontal drains in batter stabilisation project on highway cuttings to achieve this.

Sub Soil Drainage

It is not uncommon to install drains up to 50m in length by 200mm in diameter. These drainage lengths generally transfer groundwater from well behind the theoretical slip zone assisting in the stabilisation of the slope. Some projects have a combination of sub-soil, diagonal strip drain and vertical wick drains included in the slope stability plan.

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