Road Rehabilitation
- Location
- Benue State, Nigeria
- Project Type
- Road Flood Rehabilitation
- Contract Scope
- Flood Mitigation | Earthworks | Road Rehabilitation
Service 05
Flood & Erosion Control
Gully and riverbank interventions that treat the cause, not the symptom.
Introduction
What this service covers
Gully erosion in southeastern Nigeria is a hydrological problem expressed as a geotechnical failure. Concrete placed into an active gully without addressing the upstream flow that created it will fail, usually within one or two rainy seasons.
B-CIJVAL designs erosion works from the catchment down: intercept and control the runoff, dissipate its energy, stabilise the channel geometry, then protect the exposed surfaces, combining engineered structures with vegetative and nature-based measures where they perform.
Our Process
Catchment Assessment → Geotechnical Study → Hydraulic Design → Structural Design → Construction → Stabilisation
Each stage produces a deliverable the next stage depends on.
- 01
Catchment Assessment
Runoff sources, contributing area and gully head migration rate.
- 02
Geotechnical Study
Soil erodibility, slope stability and collapse potential.
- 03
Hydraulic Design
Flow control, energy dissipation and channel capacity.
- 04
Structural Design
Retaining works, drop structures, gabions and revetments.
- 05
Construction
Phased works sequenced around the rainy season.
- 06
Stabilisation
Vegetative cover, monitoring and maintenance handover.
Deliverables
What you receive
The documentation set that leaves a client able to operate, maintain, extend or re-tender the asset without depending on us.
- Erosion assessment and cause analysis
- Catchment runoff control strategy
- Structural and hydraulic design drawings
- Slope stability analysis
- Phased construction and maintenance plan
Related Projects
This service in delivery
Technical Resources
Reading on this discipline
Safety
Structural Safety8 min read
Why Do Buildings Keep Collapsing in Nigeria?
The warning signs we keep ignoring, and what can be done before failure occurs.
6 October 2026
Discuss Your Erosion Control Project
Send us the site, the constraints and what you are trying to achieve. We will tell you what the engineering actually requires.