Envitech has expertise in environmental, hydrological and geotechnical aspects of the design, construction, operation and decommissioning of waste disposal facilities. This expertise covers the total life cycle of modern engineered landfills.

Envitech can assist with the following:

Site selection studies can be carried out on a local or regional basis, including:

• Geohydrological and geological investigations
• Geotechnical assessments and soils characterisation
• Public participation and expert testimony at public hearings

Landfill design – in accordance with the appropriate classification for both general and hazardous wastes:

• Digital terrain modeling (DTM) and airspace optimisation
• Overall site layout design and development phasing
• Landfill liner designs including natural soils/clays and geosynthetic materials; and leachate leak detection systems
• Capping designs including natural soils and geosynthetic materials
• Operational plans

Infrastructure design – incorporating overall site layout and phased development:

• Entrance control, access roads and weighbridge facilities
• Administration offices, ablution facilities and workshops
• Recycling and composting yards

Closure and rehabilitation of landfill sites – design of landfill closure in accordance with current regulatory requirements

Leachate management and treatment systems –

• Design and installation of leachate collection systems for both old and new landfill sites
• Design and installation of leachate treatment systems

Landfill gas management and utilisation – design and installation of monitoring, extraction/recovery, flaring and gas utilisation systems.

Licence applications – project management and compilation of licence applications in accordance with current regulatory requirements.