The Unspoken Role of Independent Peer Review in Preventing Drainage Infrastructure Collapse in Nigeria
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
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 […]
Why Nigerian Drainage Regulations Are Ineffective—and What To Do About It
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 […]
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, […]
Concrete Mix Failures: The Hidden Threat Undermining Nigeria’s Stormwater Projects
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 […]
Evaluating Hydrological Assumptions in Nigeria’s Drainage Design Codes
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 […]
Why the “Lowest Bidder Mentality” Undermines Quality in Nigerian Public Works
Why the “Lowest‑Bidder Mentality” Undermines Quality in Nigerian Public Works An in‑depth look at how price‑only procurement is eroding infrastructure, inflating corruption and stalling development By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Introduction Nigeria’s roads, bridges, schools, and health‑care facilities are the physical backbone of a nation that aspires to become Africa’s […]
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)
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 […]
Ensuring Stormwater Drainage System Efficiency: Quality Control Measures in Nigerian Construction Projects by John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)
Ensuring Stormwater Drainage System Efficiency: Quality Control Measures in Nigerian Construction Projects In Nigeria, the increasing frequency of flooding and urban waterlogging underscores the critical need for effective stormwater drainage systems. These systems are essential for managing rainwater runoff, protecting infrastructure, and safeguarding public health. This article delves into the importance of quality control (QC) […]
Challenges of Storm Water Management in Urban Areas of Nigeria: A Critical Analysis
This paper critically analyzes the various challenges associated with stormwater management in urban areas of Nigeria. It explores the interconnected nature of these challenges, encompassing inadequate infrastructure, rapid population growth, poor urban planning, and a lack of financial and institutional capacity.