GES has the expertise in designing wastewater treatment plant and sewerage system. The design consists of feasibility study and detailed engineering design (DED). We provide a complete range of solutions for designing, building and managing your water and wastewater treatment facilities to the highest standards. Our team will give the best every support in choosing, designing and building your water and wastewater treatment facilities to produce the expected technical performance levels, while taking account of your investments, business model and the government legal requirements.