Work on the water and below it
Ten services that add up to a single working cycle on the water — from towage and dredging to sheet piling and underwater technical operations.
Towing pontoons, dumb vessels and working craft in harbours, rivers and other confined water.
- —Towing pontoons and floating platforms
- —Moving dumb vessels and barges
- —Towing working craft
- —Escorting floating objects
Placing, moving and positioning pontoons, assembling pontoon systems and working platforms.
- —Placing and moving pontoons
- —Positioning pontoons
- —Assembling pontoon systems
- —Supporting pontoon spreads
Running, setting and recovering anchors, laying out anchor spreads and positioning floating objects.
- —Setting and recovering anchors
- —Running anchors
- —Laying out anchor spreads
- —Positioning floating objects
Technical support for construction on the water: installing and dismantling structures, pontoon and plant operations.
- —Support for hydraulic structure construction
- —Work in water areas and ports
- —Installing and dismantling structures
- —Setting up floating structures
Sheet-pile cofferdams and pile fields on the water: driving from floating platforms, walings and underwater checks.
- —Sheet-pile cofferdams in the water area
- —Driving sheet piles from floating platforms
- —Pile work from the water
- —Sheet-pile walls for excavations near water
Protecting banks and slopes from the water: rock armour, slope grading and protective structures.
- —Rock armour placement and slope filling
- —Grading the shoreline
- —Protective bank structures
- —Work from the water where there is no land access
Excavating and moving bed material: deepening approaches and basins, clearing the bed, filling and reclamation.
- —Deepening basins and approaches to berths
- —Excavating bed material from a pontoon
- —Clearing the bed and removing siltation
- —Moving and placing excavated material
Building berthing structures: installing, repairing and surveying berths, pontoon lines and slipways.
- —Installing pontoon berths and gangways
- —Building berthing lines
- —Repair and restoration of berthing structures
- —Survey of berths and quay walls
Locating, surveying and lifting sunken vessels, structures and objects with divers and lifting craft.
- —Locating sunken objects on the bed
- —Diver survey before the lift
- —Lifting sunken vessels and boats
- —Lifting structures and equipment
Inspection, installation and repair underwater. Professional divers, underwater video and voice communication.
- —Underwater inspection and survey
- —Survey of vessels, hulls and berths
- —Survey of piles and hydraulic structures
- —Underwater photo and video recording
Tell us about the task
Projects often combine several of our services. Describe the site and we will propose a solution.







