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Port Harcourt, Rivers State.

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Construction of Sabagreia-Polaku Road and Bridge in Bayelsa State, Nigeria

project

Location

NIGERIA

Markets

Roads & Bridges

Project Overview

The Sabagreia-Polaku Road and Bridge project in Bayelsa State, Nigeria aimed to improve connectivity, boost economic activities, and enhance transportation efficiency in the Niger Delta region.

 

This road and bridge construction was designed to provide a durable all-weather route, linking rural communities to urban centers while mitigating the challenges of flooding and poor road conditions common in the region. The project aligns with the Federal and Bayelsa State Government’s commitment to infrastructural development in the Niger Delta.

overview

Scope of work

Road Construction

Land Clearing & Earthworks: Removal of vegetation, excavation, and grading to prepare the road alignment in addistion to sand filling with average depth of 3.5 meters.

Drainage Systems: Construction of culverts, side drains, and flood control mechanisms to prevent waterlogging during flood season.

Pavement Construction: Layering of sub-base, base course, and asphalt/concrete surfacing for durability.

Road Markings & Signage: Installation of road signs, lane markings, and safety barriers.

Bridge Construction

Foundation & Piling Works: Deep piling and reinforcement to ensure stability in swampy terrain.

Deck & Superstructure: Erection of reinforced concrete beams and bridge deck with proper load-bearing capacity.

Approach Roads: Smooth transition ramps connecting the bridge to the main road.

Ancillary Works

Erosion Control Measures: Gabion walls, slope stabilization, and embankment protection.

Safety Features: Installation of guardrails for safety.

Environmental Compliance: Adherence to environmental impact assessment (EIA) regulations.

scope

Challenges

Difficult Terrain: Swampy and waterlogged soil conditions requiring specialized engineering solutions.

Flooding & Weather Delays: Frequent rainfall and flooding disrupted construction timelines.

Logistics & Material Supply: Transportation of construction materials through riverine areas was complex.

Community Relations: Managing expectations and ensuring minimal disruption to local communities.

Security Concerns: Risks of vandalism and theft in remote locations.

challenges

Impact

Improved Connectivity: Enhanced access between rural and urban areas, reducing travel time.
Economic Growth: Boosted trade, agriculture, and commerce by enabling smoother movement of goods.
Flood Mitigation: Proper drainage and elevated road design reduced seasonal flooding disruptions.
Job Creation: Provided employment opportunities for locals during and after construction.
Safety & Accessibility: Reduced accidents and improved emergency service access.
Regional Development: Encouraged investment and social development in previously underserved communities.

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GROUP

+961 (4) 444 922/55/66

info@zerock.com

NIGERIA

Fleet House, 105 Olu Obasanjo Road,
Port Harcourt, Rivers State.

+234 (0) 803 740 2139

nigeria@zerock.com

LEBANON

Victoria Center, Dbayeh Highway,
Beirut.

+961 (4) 444 922/55/66

lebanon@zerock.com

CONGO

RN4, Tchiamba Nzassi Fouta,
Pointe Noire.

+242 (6) 999 66 49

congo@zerock.com

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