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RABIONA ENGINEERING LTD
Engineering & Project Management

Engineering & Project Management for sustainable infrastructure in Africa

Design, supervision and project management for roads, bridges, buildings and water resources with ISO 9001-aligned processes and strong HSE focus.

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About Rabiona Engineering Ltd

Rabiona Engineering Ltd is a professional engineering and project management firm headquartered in Calabar, Cross River State, Nigeria. The company delivers integrated civil, structural, water-resources and infrastructure solutions, combining technical expertise, quality-driven processes and strong safety culture.

The firm aligns its operations with ISO 9001 Quality Management principles, ensuring that every project meets rigorous standards from concept development to delivery and post-completion support.

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Featured Projects

Adiabo-Eseku Road & Bridges
Ikot Anwatim Gully Remediation
Farm Access Roads (CRS APPEALS)
Academic Building (FCE Obudu)
Retaining Wall (Ekonib)

Featured Projects Gallery

Adiabo-Eseku Road and Bridges project

Adiabo-Eseku Road & Bridges

Engineering consultancy and supervision.

Ongoing 180m bridge at Adiabo-Eseku

Adiabo-Eseku Bridge

Ongoing bridge works and supervision.

Oban Nsan Road and bridges project

Oban Nsan Road & Bridges

Road and bridge supervision.

Academic Block at FCE Obudu

Academic Block (FCE Obudu)

Design coordination and supervision.

Residential development at Okpoma

Residential Development

Structural delivery and site support.

Ikot Anwatim gully remediation project

Gully Remediation (Ikot Anwatim)

Hydraulic structures and erosion control.

Water resources project

Water Resources Works

Water infrastructure and supporting works.

Adiabo-Eseku Road main view
Adiabo-Eseku Road view 1
Adiabo-Eseku Road view 2
Adiabo-Eseku Road view 3
Adiabo-Eseku Road view 4
Adiabo-Eseku Road view 5
Adiabo-Eseku Road view 6
Adiabo-Eseku Road view 7
Adiabo-Eseku Road view 8

Featured case study - Adiabo-Eseku Road and Bridges

Client: Cross River State Ministry of Works · 8km road with drainage and bridges · Start: Sept 2024 · Status: Ongoing

Engineering studies, geometric and pavement design, hydrological and geotechnical investigations, design of reinforced concrete drainage, box culverts and bridges. Construction supervision and project management services are being delivered under an ISO-aligned quality process and HSE framework.

Project timeline (high level)

  • Sept 2024 - Project mobilisation, site surveys and investigations
  • Q4 2024 - Detailed design for road alignment, drainage and bridges
  • Q1 2025 - Procurement and contractor mobilisation
  • 2025 - Construction supervision and periodic design reviews (ongoing)
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Oban-Nsan Road and bridges - Akamkpa LGA
Oban-Nsan Road under construction - Akamkpa LGA
Oban-Nsan Road works - Akamkpa LGA
Oban-Nsan Road construction progress - Akamkpa LGA

Oban-Nsan Road & Bridges (28 km)

Location: Akamkpa LGA, Cross River State · Under construction

28 km Oban-Nsan road under construction with associated bridge and drainage works.

View related Request details

Services

All services

Integrated services across the project lifecycle: feasibility, design, procurement, construction supervision and maintenance support.

Roads & Bridges

Alignment, pavement and bridge design with construction supervision.

Buildings & Structural

Structural design, MEP coordination and construction supervision.

Water Resources & Erosion

Hydrology, hydraulic structures, gully remediation and watershed management.

Project Management & QA

Project controls, procurement, contract administration and ISO-aligned QA/QC.

Featured Projects

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Adiabo-Eseku Road and Bridges project

Adiabo-Eseku Road and Bridges - 2025

Design and construction supervision of road, drainage and bridges.

Detail Request Docs
Academic & faculty buildings project

Academic & Faculty Buildings - 2024

Mechanical, electrical and structural design with supervision.

Detail Request Docs
Gully remediation & erosion control

Gully Remediation & Erosion Control - 2016

Hydraulic structures, retaining works and access roads.

Detail Request Docs
Ongoing bridge project

Adiabo-Eseku Bridge Works - Ongoing

Construction supervision and delivery support.

Detail Request Docs

Contact

Contact page
Rabiona Engineering Ltd
7, Enima Layout, Phase 2
Calabar, Cross River State
info@rabiona-eng.com

For procurement or technical documents, please request via email.

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