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A sunken vessel at a quay wall

Marine salvage

Raising sunken vessels, equipment and structures, underwater search for objects, clearing the seabed of wreckage and man-made debris.

80 kWdiamond wire that cuts a hull apart underwater
0–10 msoil washed out by ejector, deeper AirLift takes over
1 MPaour own recompression chambers for dives below 12 m

Marine salvage starts with a survey: divers find the object, see how it lies and what holds it on the bottom. Then we choose the way to raise it by weight, depth and soil, and what will not come up whole we cut into parts underwater.

Raising sunken vessels

We raise vessels, equipment and structures. Often the methods are combined: pontoons give buoyancy, a crane or a winch guides the object.

  • Blowing and pumping water out of compartments.
  • Additional buoyancy: rigid and soft pontoons, lift bags.
  • Pulling gear: cranes, winches, tackle blocks.
  • Separating parts of sunken vessels, slinging and lifting them.
A crane lifting a rusty section out of the water
Lifting a section by crane
A raised structure afloat beside a ship
A raised structure alongside

Underwater search

An underwater search comes before a lift, and on its own when cargo, an anchor or equipment is lost on the bottom.

  • Surveying the water area for foreign objects.
  • Searching for objects underwater, with photos and video of the finds.
  • Positioning the finds and the wreckage on a chart of the area.
  • Slinging and lifting what is found.

Cutting and clearing

When an object will not come up whole or the soil holds it, we work with underwater dismantling equipment.

  • Soil removal with water jets: by ejector at depths to 10 m, by AirLift at 10 m and deeper.
  • Abrasive cutting with an 80 kW diamond wire and discs.
  • Electric arc, oxy-arc, exothermic and gas cutting of metal.
  • Hydraulic tools on HYKON power packs.
  • Removing and towing wreckage and man-made debris.
A diver working a tool underwater in a cloud of bubbles
A tool at work underwater
A half-sunken section at a quay wall
A section before lifting

Order diving work

Call the office or write to us in a messenger. We will ask about the job and agree the dates and the price.

+38 067 867 62 32
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Questions and answers

On salvage and underwater search

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How do you raise sunken vessels?

By blowing and pumping out water, adding buoyancy with rigid and soft pontoons and lift bags, or with pulling gear: cranes, winches, tackle blocks. The method depends on the weight of the object, the depth and how it lies.

Do you search for objects underwater?

Yes. Divers survey the area, find the objects, film and photograph them and position them on a chart. What is found we can sling and lift.

What if a vessel cannot be raised whole?

We cut it into parts underwater with an 80 kW diamond wire and underwater metal cutting, then sling and lift the parts one by one. Wreckage and debris are removed and towed away.

How deep do you work?

Soil down to 10 m we remove by ejector, deeper by AirLift. Dives below 12 m go under a certified diving physiologist, with the company's own recompression chambers rated from 1 MPa.

Services

More work on water and under water

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