05/31/2024
HDH Drilling is a drilling technique that allows for the reduction of pressure on a slope wall.
Groundwater reduction through the placement of free-draining, horizontal drain holes can be safely completed from casing, drilling, perforating, installing PVC, grouting, all surface pipe installations, sump construction and linings.
HDH holes of various diameters can be drilled to depths of 500m. BAT Construction Ltd. is the leader when it comes to complete groundwater management services.