BTW & Associates is a professional civil engineering consulting company with expertise in civil, structural, geotechnical and process engineering, water and wastewater management, environmental management and project management. The following services are provided to the public and private sectors in Southern Africa: bulk civil engineering services all aspects of water treatment all aspects of wastewater treatment solid waste disposal independent auditing of water, wastewater and solid waste facilities and operations license and permit applications for water,wastewater and solid waste disposal sites water services development plans water safety plans water retaining structures flood line analysis stormwater management housing development township and the associated civil services structural design of general steel structure structural design of concrete structures environmental impact assessments