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infrastructure crisis, solid waste obstruction, urban drainage systems, drainage system blockage, waste management, city flood control, structural impact, environmental damage, civil engineering, urban planning, stormwater management, public works, 2026 infrastructure, smart city drainage, sustainable cities, engineering guide, drainage solutions, learn urban engineering

Why Nigerian Drainage Systems Fail: Solid Waste Blockages & Engineering Solutions

INFRASTRUCTURE CRISIS: Quantifying the Structural and Environmental Impacts of Solid Waste Obstruction in URBAN DRAINAGE SYSTEMS—A CASE FOR ENGINEERING INTERVENTION By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) ABSTRACT This paper presents a forensic engineering assessment of urban drainage infrastructure compromised by indiscriminate solid waste disposal in Nigerian cities. Through detailed site investigation […]

The Role of GIS and BIM in Enhancing Stormwater Drainage Quality Control in Nigeria

The Environmental Cost of Blocked Drains in Rapidly Urbanizing Nigerian Cities

The Environmental Cost of Blocked Drains in Rapidly Urbanising Nigerian Cities By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria, the most populous country in Africa, is experiencing rapid urbanisation, with cities like Lagos, Abuja, Onitsha, and Port Harcourt witnessing unprecedented growth. However, this rapid expansion has come at a high environmental cost, […]