MARINE WORKS · DEEP FOUNDATIONS · CIVIL ENGINEERING · STEEL CONSTRUCTION · INDUSTRIAL WORKS

Engineering and construction for West Africa’s infrastructure

A Senegalese construction company based at the port of Bargny-Sendou, SECOWA works on port, industrial and marine sites, from deep foundations to the erection of handling equipment.

Explore our projects About us

PROJECT IN PREPARATION

STRUCTUREMineral access jetty
LENGTH2,000 m
FOUNDATIONS434 piles
REBAR6,000 t
CONCRETE33,000 m³
SITEBargny-Sendou, Senegal

200

piles protected

600m

of crane rails laid

2,000m

of conveyors erected

Siwertell unloaders erected

360m

of access trestle fabricated

6,000m³

of concrete poured

OUR TRADES

Five areas of expertise, from sea to plant

Select a trade to see our projects. All photos were taken on site by our teams.

Pile protection, cathodic protection, breakwaters and bathymetric surveys: SECOWA works both at sea and on the quay.

Rock armour and coastal protection works

Bathymetric survey on the Abidjan lagoon (quay at Vridi)

All “Marine works” photos

Vibratory pile driving and pile driving for port and industrial structures, on land and at sea from a jack-up.

All “Deep foundations” photos

Conveyor and silo building foundations, excavation, reinforcement, formwork and concrete footings: SECOWA carries out the civil engineering works associated with its steel structures, as well as offsite works.

Conveyor civil works: reinforcement and formwork

Pumped concrete placement beside a storage tank

All “Civil engineering” photos

Conveyor structures, silo buildings, steel frames and access trestle: from fabrication to erection, SECOWA builds tall steel structures on industrial and port sites.

All “Steel construction” photos

Erection of Siwertell unloaders, installation of crane rails and conveyors, in port and mining settings.

All “Industrial works” photos

OUR PROJECTS

Our projects and completed works

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IN PREPARATION · MARINE WORKS 2 km jetty on 434 piles Bargny-Sendou, Senegal View project

IN PROGRESS · STEEL CONSTRUCTION 360 m access trestle Pipeline support · Port of Bargny-Sendou View project

IN PROGRESS · STEEL CONSTRUCTION Access trestle: truss spans Port of Bargny-Sendou View project

DELIVERED · MARINE WORKS Protection of 200 piles and cathodic protection of the jetty Port of Bargny-Sendou View project

Lifting the boom of a pneumatic ship unloader for the mineral quay

DELIVERED · INDUSTRIAL WORKS Erection of two Siwertell unloaders on the quay Bargny-Sendou mineral port View project

DELIVERED · INDUSTRIAL WORKS Installation of 600 m of crane rails, with grouting and concreting Bargny-Sendou mineral port View project

DELIVERED · INDUSTRIAL WORKS 2,000 m of conveyors erected Bargny-Sendou mineral port View project

DELIVERED · STEEL CONSTRUCTION · CIVIL ENGINEERING Silo buildings and conveyor Industrial site, Bargny-Sendou View project

CIVIL ENGINEERING · STEEL CONSTRUCTION Offsite works for oil companies Port of Sendou View project

Pile-driving test at the LNG terminal, port of Dakar

DEEP FOUNDATIONS Dynamic load testing on piles for ELTON Port of Dakar View project

MARINE WORKS Bathymetric surveys for a quay at Vridi Abidjan lagoon, Côte d’Ivoire View project

MARINE WORKS Protective breakwaters Rock armour and coastal protection View project

All our projects

IN ACTION

From erection to load testing

On the quay at Bargny-Sendou, our teams erected the two Siwertell unloaders: laying the crane rails, assembling the structure and lifting the booms, through to load testing.

View the gallery Our completed works

OUR AMBITION

To become the first Senegalese company able to carry out 100% of marine works, through local expertise and advanced technology.

Quality

Work carried out to industry standards and inspected at every stage.

Schedule

Schedules met, with teams and equipment sized to the project.

Safety

Two QHSE engineers and teams trained for the demands of offshore work.

Environment

Compliance with environmental standards, at sea and on land.

OUR RESOURCES

Our own teams and equipment

From the jack-up barge to the welding station, SECOWA deploys its own resources on every project.

Equipment

400 t jack-up barge (30 m × 24 m)
200 t crane
Vibratory hammer, 600 kN extraction force
Hydraulic hammer, 306 kNm impact energy
2 generators
Bending machine for rebar shaping
5 self-contained welding units and 4 welding stations
Manitou, forks, aerial work platform, truck-mounted crane
Containers (offices and storage)
Compressors, winches with hydraulic power pack

Personnel

1 project director
2 works directors
2 site managers
1 administrative and finance manager
3 site supervisors, 4 team leaders
2 QHSE engineers
Survey team, 2 crane operators
Welders, pile-driving crews, riggers-erectors
Formwork carpenters, steel fixers, masons
Mechanic and labourers

Weekly safety toolbox talk for the SECOWA team, at the foot of a Siwertell unloader — Weekly safety toolbox talk on the quay at Bargny-Sendou

HEALTH, SAFETY AND ENVIRONMENT

Safety first, on land and at sea

days without an accidentSince 8 April 2025 · the counter updates daily

Dedicated QHSE supervision

Two QHSE engineers support our teams and monitor safety, quality and the environment on every project.

A safety toolbox talk every week

Teams meet for fifteen minutes to review site risks, instructions and points requiring attention.

Mandatory protective equipment

Helmet, safety shoes and high-visibility vest; harness for work at height, life jacket for work at sea.

Respect for the sea and the environment

We work on the ocean’s edge: clean, tidy sites and constant care for the marine environment.

Part of the Siwertell unloader erection team — Part of the crane erection team, Bargny-Sendou quay

ABOUT US

A Senegalese construction company

SECOWA SA is a company incorporated under Senegalese law, based at the port of Bargny-Sendou.

Founded by three engineers, its philosophy is to deliver quality work on schedule, in compliance with safety requirements and environmental standards.

The team in pictures

THEY TRUST US