Skip to main content

Maintenance in progress. You may withness broken links.

Tag: Stormwater management Nigeria

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 […]

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 […]

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 […]

Staff of Levant Nig. Ltd during inspection of Stormwater sewer construction at Palm-groove, Warri

Preventing Stormwater Pollution: Implementing Effective QC for Drainage Systems in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)

Posted on 29 June 2025 - 1:17 pm by

Preventing Stormwater Pollution: Implementing Effective QC for Drainage Systems in Nigeria Stormwater, the water that runs off impervious surfaces during rainfall, is a critical element in urban environments. While seemingly benign, its journey through our cities can transform it into a potent source of pollution, significantly impacting Nigeria’s ecosystems and public health. Effective quality control (QC) for drainage […]

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 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, […]

Integrating Green Infrastructure and QC in Nigerian Projects

Why Nigerian Drainage Regulations Are Ineffective—and What To Do About It

Posted on 8 December 2024 - 6:20 pm by

Why Nigerian Drainage Regulations Are Ineffective—and What To Do About It By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Flooding is an all too familiar experience for millions of Nigerians, especially during the rainy season. From bustling metropolises like Lagos and Abuja to mid-sized cities and densely populated urban neighbourhoods, torrential rains often […]

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 […]