Hölscher Wasserbau GmbH products

Deep wells are used to carry out dewatering, drinking water extraction and remediation of contaminated aquifers. Deep wells are best suited for operation in aquifers with permeability coefficients [kf] from 1x10-2 m/s to 1x10-5 m/s. They are installed by drilling a borehole with a diameter from 324 mm to 2000 mm at depths up to 300 m. Depending on the diameter, the site`s geological conditions and the intended depth, the borehole can be sunk using casing drilling or rotary drilling.

Vacuum deep wells are used for dewatering and site decontamination in regions with low subsoil permeability and low-lying aquifers Vacuum deep wells are operated effectively in aquifers with permeability [kf] coefficients ranging from 1x10-5 m/s to 1x10-7 m/s. They are installed by drilling a 324 mm / 700 mm diameter borehole up to a depth of 50 m. Depending on the diameter, the site geology and the intended depth, the borehole can be sunk by casing drilling or rotary drilling.

Hölscher Wasserbau has many years` experience in the fields of groundwater and soil vapour decontamination. In addition we are experts in contaminated site remediation treatment of polluted soils. Our portfolio of systems and services includes: Separating units. Filtration / precipitation / flocculation units. Ion exchange units. Activated carbon adsorbers. Desorbers. Soil-vapour extraction units. Automation / remote data monitoring. Innovative containment technologies. Conventional excavations. Soil replacement using heavy-duty drilling equipment.

Hölscher Wasserbau has many years of experience in landfill technologies. Our portfolio of systems and services includes: Landfill gas collection. Landfill leachate collection and treatment. We provide personalized advice for your specific project and supply custom-engineered collection and remediation systems. We carry out all work in a timely and cost-efficient manner. We offer and provide tailor-made maintenance programmes for your equipment after installation to ensure reliable long-term operation.