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Category Archives: Innovation and Research

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

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

Posted on 6 October 2025 - 5:43 am by

The Digital Shield: How GIS and BIM are Enhancing Stormwater Drainage Quality Control in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria, characterised by rapid urbanisation and intense seasonal rainfall, faces immense challenges in managing urban flooding. Cities like Port Harcourt, Lagos, and areas within Anambra State are constantly battling infrastructure […]

Promoting Sustainable Stormwater Management: Integrating Green Infrastructure and QC in Nigerian Projects

Integrating Green Infrastructure and QC in Nigerian Projects

Posted on 6 September 2025 - 6:34 am by

Paving the Way for a Water-Resilient Nigeria: Integrating Green Infrastructure and Quality Control in Stormwater Management By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria, a nation experiencing rapid urbanization, faces an ever-growing challenge: effective stormwater management. As cities like Ibadan, Osogbo, and Lagos expand, replacing natural landscapes with impervious surfaces, the risk […]

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 […]

Base casting by summit road down to CH 0+315

Future Trends and Innovations in Stormwater Drainage Quality Control for Nigeria

Posted on 6 July 2025 - 5:24 pm by

Future Trends and Innovations in Stormwater Drainage Quality Control for Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria is quickly becoming more urban and populated. Because of this, the country has a growing problem with city floods and dirty water. Big cities like Lagos, Port Harcourt, and Abuja show that old-style […]

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 […]

Excavation Work and Sealing of the Top Slab Joint on Ongoing at Darren Akintoye

Understanding Geotechnical Considerations for Stormwater Drainage QC in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)

Posted on 12 April 2025 - 9:19 am by

Understanding Geotechnical Considerations for Stormwater Drainage QC in Nigeria In civil engineering, the success of stormwater drainage systems depends heavily on geotechnical considerations. The interplay between soil properties and ground conditions directly impacts the quality, durability, and long-term functionality of these systems. In Nigeria, with its diverse soil profiles and environmental challenges, incorporating geotechnical insights […]

The Unspoken Role of Independent Peer Review in Preventing Drainage Infrastructure Collapse in Nigeria

Posted on 6 February 2025 - 10:41 pm by

The Unspoken Role of Independent Peer Review in Preventing Drainage Infrastructure Collapse in Nigeria A Critical Examination of How Unbiased Technical Scrutiny Builds Resilience Against Urban Flooding By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) The annual rainy season in Nigeria, particularly in densely populated urban centres like Lagos, Ibadan, and Port Harcourt, […]

Using QA/QC Plans as Contractual Tools for Eliminating Construction Abuse

Posted on 6 January 2025 - 11:35 pm by

Using QA/QC Plans as Contractual Tools for Eliminating Construction Abuse How precise, enforceable quality‑assurance and quality‑control provisions protect owners, contractors, and the public from defects, sub‑standard workmanship, and costly disputes By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Introduction Construction projects are, by nature, complex collaborations involving dozens—sometimes hundreds—of parties: owners, designers, general […]

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

Concrete Mix Failures: The Hidden Threat Undermining Nigeria’s Stormwater Projects

Posted on 8 October 2024 - 5:30 pm by

Concrete Mix Failures: The Hidden Threat Undermining Nigeria’s Stormwater Projects By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Introduction: A Silent Poison in Nigeria’s Stormwater Infrastructure Nigeria’s rapid urbanisation, coupled with the escalating impacts of climate change, has placed immense pressure on the country’s stormwater drainage systems. From the bustling floodplains of Lagos […]

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 […]