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Category Archives: Engineering Design and Simulation

Implementing a Robust Inspection and Testing Plan for Stormwater Drainage Construction in Nigeria

Robust Inspection Plan for Nigeria Stormwater Drainage

Posted on 5 November 2025 - 11:58 pm by

Building Resilient Foundations: Implementing a Robust Inspection and Testing Plan for Stormwater Drainage Construction in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria is urbanizing quickly and dealing with climate change, which means it often struggles with heavy rains and not enough good drainage. This causes big problems like floods, damaged […]

Case Study: Successful Implementation of Stormwater Drainage Quality Control in Warri, Delta State, Nigeria

Understanding Invert Levels in Flood-Control Engineering: A Case Study of Asaba’s Summit Road

Posted on 6 August 2025 - 9:33 am by

Understanding Invert Levels in Flood-Control Engineering: A Case Study of Asaba’s Summit Road By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Urban flooding is a persistent challenge in rapidly urbanising regions, threatening infrastructure, public health, and economic stability. For engineers and urban planners, designing effective flood-control systems requires a good understanding of hydraulic […]

Excavation by summit road at CH 0+250

Why Nigeria Must Adopt a Lifecycle-Based Quality Control Model for Stormwater Infrastructure

Posted on 6 May 2025 - 7:32 pm by

The Paradigm Shift: Why Nigeria Must Adopt a Lifecycle-Based Quality Control Model for Stormwater Infrastructure By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria, the economic powerhouse of Africa, is currently facing a crippling duality in its urban centers: rapid, uncontrolled urbanization juxtaposed with extreme climate vulnerability. The tragic consequence is chronic, destructive […]

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

Posted on 8 November 2024 - 5:54 pm by

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, […]

Implementing a Robust Inspection and Testing Plan for Stormwater Drainage Construction in Nigeria

Evaluating Hydrological Assumptions in Nigeria’s Drainage Design Codes

Posted on 8 September 2024 - 5:12 pm by

Evaluating Hydrological Assumptions in Nigeria’s Drainage Design Codes: A Call for Modernisation in Urban Flood Resilience By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Introduction: The Hidden Flaws Beneath Nigeria’s Flooding Crisis Every rainy season, Nigeria grapples with devastating urban flooding—homes are submerged, roads turn into rivers, and critical infrastructure is compromised. While […]

Sample post

Posted on 24 May 2020 - 6:33 pm by

What is a Stormwater Stormwater, which can also be spelled as storm water, is a body of water that formed as a result of rainfall, snow or ice melt. Stormwater can infiltrate the soil, be stored on the land surface in ponds and puddles, evaporate, or resolved to runoff. Most runoff is conveyed directly to […]