The more than 1,000-ton feeding platform sank in Scotland during extreme weather in November 2021. While waiting for the rescue operation, the salmon feed began to decompose, resulting in high concentrations of toxic H2S gases. Marine Masters and Qceas were hired to clean the feed storage areas and then return the salmon feeding platform to […]

At the city center side of Amsterdam Central Station, Qceas faced a considerable challenge. Bicycle parking for 7000 bikes had to be constructed underwater. A complex project, right in the heart of Amsterdam. The scope of the project entailed the preparatory work for the pouring of underwater concrete, inspections, cleaning the sheet piling and ground […]

In the port of Beira, Mozambique, Qceas worked with Marine Masters to remove fuel and refloat a fishing vessel that had capsized and sunk. The first priority was obviously to remove the diesel fuel from the fishing vessel. Upon completion, the fishing vessel was untied and pulled to deeper water upside down. By refloating the […]

The Princess Beatrix Lock Complex has been the largest monumental inland navigation lock in the Netherlands since its opening in 1938. It is the main shipping link between Rotterdam and Amsterdam, with 50,000 ships passing through the Lek Canal annually. In recent years, the lock threatened to become a bottleneck due to increasing traffic and […]

The project in Roosendaal centers on a challenging concrete pour. The narrow creek is adjacent to residents’ gardens making it impossible to place equipment next to the segments to be poured. The special feature of this pour is that the underwater concrete had to be pumped through floating piping over the water. The creek is […]

Recently, FORUM Rotterdam installed underwater concrete in a deep construction pit: the elevator shaft for the truck elevator. This video shows how this was done and a diver from Qceas explains how he and his colleagues managed the application of the underwater concrete.

On the Baltic Sea, Qceas contributed to a capital project with a team of 20 divers. We worked on some above-water tie-ins for a 48-inch pipeline. A challenging task, because the pipeline comes under a lot of stress when it is lifted to the surface. Such buoyancy operations are always critical and require thorough preparation. […]

Circumstances caused the fishing vessel HEL-103 to sink 6 nautical miles north of the estuary of Vistula to a depth of 65 meters near the coast of Gdansk in Poland. The six-member crew on board were rescued and taken to port. No one was injured. In May 2019, Qceas was contracted to salvage the vessel. […]