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Category Archives: Training and Education

Maintaining Quality Control in Stormwater Drainage Projects in Remote Nigerian Locations: Challenges and Solutions

Maintaining Quality Control in Stormwater Drainage Projects in Remote Nigerian Locations

Posted on 5 December 2025 - 9:23 pm by

Maintaining Quality Control in Stormwater Drainage Projects in Remote Nigerian Locations: Challenges and Solutions By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Introduction Stormwater drainage projects in remote Nigerian locations are critical for preventing flooding, erosion, and water contamination. However, ensuring quality control (QC) in these areas presents unique challenges due to logistical […]

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 […]

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 […]

Closed Culvert Drainage Construction by Jefcon & Associates Ltd

Best Practices for Concrete Work in Stormwater Drainage: Quality Control for Durability in Nigerian Climates By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)

Posted on 29 July 2024 - 12:59 am by

Best Practices for Concrete Work in Stormwater Drainage: Quality Control for Durability in Nigerian Climates Concrete forms the backbone of stormwater drainage systems, providing the strength and durability needed to withstand environmental stresses. In Nigeria, where heavy rainfall and fluctuating temperatures often challenge infrastructure, ensuring the quality and longevity of concrete used in stormwater systems […]

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 […]