- Conduct survey of existing water line, water treatment plant, sanitation, and solid waste management system of Tungipara Pourashava. - Review and update the current water supply system based on water sources, population projection, and future demand, adhering to national and international guidelines. - Hydrological Study - Prepare design drawings for the proposed water supply network, water treatment plant, and Reverse Osmosis plant. - Develop design drawings for the integrated waste management system and public toilet standards. - Draft guidelines for the integrated management of organic and inorganic solid waste, including fecal sludge. - Prepare BoQ for water supply networks, water treatment plants, and waste management systems. - Supervise construction works for quality control and review shop and as-built drawings. - Prepare operation and maintenance manuals for water supply and waste management systems.