Tag: Dredging

Sabetta

The Sabetta project was Jan De Nul’s biggest logistic challenge in 2016. In Sabetta (North Russia), this port is being built to transport gas stocks from Siberia to Europe and Asia with LNG tankers. Eighteen dredgers had to dredge 16.8 million…

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Takoradi

In recent years, African countries have been investing a great deal of effort and capital in developing their ports. Some ports already exist for decades but no longer meet today’s requirements as both container ships and bulk carriers have become…

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PSA Panama

In Panama, Jan De Nul is building a new quay wall for the PSA Panamá terminal. Since 2009, Jan De Nul’s civil division has been continuously active in Panama. First for the construction of two new lock complexes within the scope of the Canal…

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Monaco

With a surface area of just 2.02 km² and containing 18,775 inhabitants, Monaco is the world’s most densely populated state. So, it should be no surprise that the Principality decided to expand its territory by reclaiming over 14 acres from…

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Oskarshamn

Oskarshamn is a Swedish port city with a rich industrial history. In the past, a copper production site and battery factory discharged their contaminated waste water into the sea, resulting in the whole harbour basin becoming contaminated with  heavy…

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Linkou

Taiwan has been struggling for years to provide its inhabitants and industry with a stable power supply. To have sufficient coal to be able to operate the power plants at their full capacity, it is of vital importance that larger amounts of coal can…

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Prins Hendrik-Zanddijk

In Texel, a province of North Holland, Jan De Nul offers a nature-based solutions for reinforcing the Prince Hendrik Sand Dike. The island will become bigger and more beautiful with additional natural habitat, and the residents will keep their feet dry.…

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Benin

Jan De Nul controls coastal erosion in Benin  through an innovative solution, conceived, developed and constructed in-house. An integrated project using the company’s competences, both technically, environmentally and financially.

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North Europe

Apart from the usual challenges associated with dredging projects, this particular cluster of projects in Northern Europe also posed climatological, linguistic and time-related challenges to Jan De Nul. Through constant meticulous planning, we maintain…

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Civil + dredging: a golden combination

Davy Spriet is project manager for the civil works and Dominic De Prins is project manager for the dredging works. Together, they manage the overall project on site. Dominic De Prins explains the construction procedure: “The new quay wall will…

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Crucial preparations

“We dredged round the clock, 7 days a week”, says Works Manager Kleo Danau. “This means that planning was crucial. Every vessel had to keep the others permanently informed. That was not always easy, internet or phone connections sometimes…

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Permafrost

Another challenge of the Sabetta project was the amount of permafrost that had to be dredged. Because dredging works in the high North are very rare, this was a first for our company. Permafrost is frozen soil that never thaws, in this case mainly frozen…

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90% Panamese

All construction equipment, such as trucks and excavators is owned and operated by Jan De Nul, as are the majority of the cranes for the assembly and construction works. Much of the equipment was already in Panama having been used for previous Panama…

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The lock complex in Panama

Apart from the works for the PSA Panamá terminal, Jan De Nul has worked from 2009 up to 2016 on the third set of lock complexes on the Panama Canal. These new locks provide access for post-Panamax ships that can transport 12,000 containers.…

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Thinking along within the framework of the Ghanaian master plan

The project in Takoradi started in 2012; today, it is almost 90% complete. Filip Morobé, Area Director Africa: “What makes this project special, is that there has been no call for tenders. The Ghana Ports and Harbour Authority (GPHA) has…

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Dredging in Winter

Ignace Stols, project manager dredging works, continues: “In November, December and January, the sea in the Gulf of Guinea is less rough. The access channel is situated outside the protected area so we had to be able to make use of this calmer…

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Fierce competition

Ignace Stols: “There is fierce competition between West African ports to be chosen as main port by shipping companies. Most of these ports had a depth of 12-13 metre, they are now moving to 15-16 metre. It is a tough race. Only those that are ready…

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Everyone has much to gain from project financing

A project such as in Takoradi is very capital-intensive. Governments may well have the vision to expand their ports, often their budgets are inadequate. Mathias Van De Vijver, Financial Manager, explains how Jan De Nul can still realise these projects…

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The workshop, a hive of activity

José Pycke already works twenty years for Jan De Nul and is responsible for the workshop in Aalst. The workshop has 70 employees, spread over several departments, almost half are welders but we also have plenty of machine operators, electricians…

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Centre in the port of Ghent

Hulsdonk, located in the Port of Ghent, is the oldest and – with its 32 acres – the biggest Envisan treatment centre. It is also the only centre in Belgium that treats both soils and sediments and is equipped with several lagoons. Daily management…

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Centre in the South of France

For CPEM, near Toulon, in full Centre de Production d’Eco-Matériaux, 2016 was the first complete business year. Lilian Rahyr, head of this treatment centre, sketches an overall picture: “In the past year, we’ve treated about…

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Germany

In 2016, two Jan De Nul vessels have been dredging in the port of Hamburg. This port suffers from sedimentation. The amount of sediments that is being deposited depends on the amount of water entering a port. As long as the flow rate of the Elbe is sufficiently…

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Northern France

In Calais, Jan De Nul has started with the construction of an entirely new port, together with three major partners. Cargo traffic between the United Kingdom and France is completely saturated. Particularly on the French side, there is a huge capacity…

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Jan De Nul in Africa

Whereas in 2011 the continent represented only 4% of our turnover, Jan De Nul substantially strengthened its presence in 2015 and 2016 resulting in a series of beautiful projects. The project in Takoradi opened up other opportunities elsewhere in…

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The Tiger, the real project hero

Jan De Nul’s added value for projects such as this is its extreme flexibility in searching for customised solutions. For instance, we completely converted the Tiger, a self-sailing split hopper barge, so as to be able to remove sediments in places…

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Vessels conversions

Mimar Sinan and the Tiger For this first stage, several vessels have been converted. Tom: “One of the reasons for this is that we are working on a very small surface area. For instance, on the backhoe dredger Mimar Sinan we installed a special…

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Giant muscles and red corals

Next to the project site in Monaco, there are two nature reserves with red corals, giant muscles and sea grasses that cannot, be damaged or disturbed under any circumstances.  That is why, before the start of the project, a team of Jan De Nul’s…

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Envisan treats the dredged sediments

In 2015, Envisan opened a soil and sediment treatment centre in La Seyne-sur-Mer, near Toulon (France). Here, polluted sediments from Monaco are remediated ready for reuse. Hannes Van den Berghe coordinated the activities between Envisan and the teams…

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With confidence to Tahkoluoto

After Nobelwind, the Vole au vent sailed to Tahkoluoto in Finland to install Finland’s first offshore wind farm, a challenging sequel for the vessel and her crew. "We are very proud that we played a key part in this project" This job…

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Intense coordination

For the first time, the environment division has used a dredger such as Pinta.  Effective coordination between onshore and offshore is of crucial importance in this project. Ricardo João Almeida and Olivier De Lange are the Onshore and Offshore…

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Sub-centimetre measuring

In Linkou, different types of soil are being dredged: mudstone, boulders, fine sand... This makes it difficult to establish the perfect volume balance and production levels. The survey team monitors the dredged volumes very accurately, in real time and…

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