Am a professional engineer with some 35 years experience since graduation in the planning, design, construction supervision and monitoring, operation and maintenance of water supply, waste water, roads and drainage projects.. He has worked for 34 years for consultants and 4 years for a Water and Sewerage Authority. Eighteen years of my professional career have concentrated on planning, design and construction management of water supply, waste water and drainage systems and flood risk analyses and flood mitigation measures. .