Tag: Europe

Schools of tomorrow

The public limited company ‘Scholen van Morgen’ builds 182 nursery, primary and secondary schools on the initiative of the Flemish government. In this way, the legacy problem of outdated educational infrastructure in Flanders is being addressed.…

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Envisan Centres

In common with other parts of Jan De Nul Group, the Environment Division Envisan also goes for an integrated approach, from design to execution. Sediments and soils coming from dredging and earthworks are transported to own treatment centres for treatment…

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Race Bank

Jan De Nul pulled out all the stops for the cable installation project at the Race Bank Wind Farm. The job description read as follows: realising a cable connection between the wind farm and the mainland on the English East Coast. A distance of 71 km…

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A11

Back in 2011, Jan De Nul, as frontrunner of the project company that realised the A11, did everything in its power to win the contract for this project. The innovative character of the engineering structures, the aestheticism and fully-fledged integration…

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Nobelwind

With the purchase of the Vole au vent, Jan De Nul confirmed its position in the offshore wind market. The vessel embarked on its first major mission under the umbrella of Jan De Nul in 2016: the installation of 50 offshore wind turbine foundations with…

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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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Kriegers Flak

During 2021, the 600MW Kriegers Flak offshore wind farm, in the Danish waters of the Baltic Sea, will commence the supply of electricity to 600,000 families. Grid Operators, Danish Energinet and German 50 Hertz, will connect the  Kriegers Flak OWF…

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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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Beatrix Lock

Near Nieuwegein, Jan De Nul is working on the extension of the most important inland navigation lock complexes of the Netherlands. As a member of the consortium Sas Van Vreeswijk, we are offering an overall solution that respects the historical heritage…

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Borkum

Following the success of the Nobelwind project, Jan De Nul continues to strengthen its tier one position in offshore wind with a successful Borkum Riffgrund 2 installation project. Deploying the Vole au vent, 36 monoiles were driven into the seabed,…

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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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The DN120 lays cables in shallow water. The Sunfish and Moonfish burry them at the pre-set depth.

The Sunfish and the Moonfish were indispensable for the Race Bank project. But, obviously, they were not alone. “Export cables may look very solid, but applying too much force while pulling them is absolutely advised against. To be able to pull…

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Homemade machines

Dries Lammens was among Jan De Nul’s engineers who were present when the requirements set to the Sunfish and Moonfish were put on the table. “A project for which so far no equipment existed but for which it must be created is no doubt a challenge,”…

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Isaac Newton: with 63 km of cable in one go the world's largest cable-laying vessel

“We are a work in progress, getting better by the day,” says Rutger Standaert. On his business card, he carries the title of ‘Technical Superintendent New Building Design’ or, in short, one of the naval architects at Jan De Nul.…

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Divisions work together to win projects

"In fact, we are able to win such projects at the time everything is still on the drawing board,” explains Patrik Lowie. “The trick is to simulate and visualise all possible situations beforehand. Looking at this from a distance, one…

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Integration is the way forward

Wouter Vermeersch is responsible for Jan De Nul’s offshore cable division. He confirms that business is going well and that the future looks promising: “Thanks to the increasing integration between the various business units of Jan De Nul,…

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Flexibility is the operative word in the drawing office

The ship building department drawing office is an indispensable part of Jan De Nul’s engineering services. One of its main activities is designing equipment for our vessels. As among Jan De Nul’s shipbuilders, flexibility is the operative…

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Testing 10 biological oils

In connection with the Race Bank project, Alain Pieters from the R&D department was asked whether the seals of the trencher Moonfish would not be affected by the use of biodegradable oil. “The client wanted to avoid that, in the event of a…

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A particularly voluminous report helped to convince the customer

In our Marine Environmental Department, in short Mared, about twenty people are investigating all kinds of environmental aspects. Ine Moulaert explains: “Nowadays, whenever any of our business units wants to win a project, we almost always conduct…

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Nature reserve The Wash

Special rules apply in the vast bay where the electricity generated by the offshore wind farm Race Bank comes ashore via two heavy export cables. The Wash really is a unique nature reserve, a series of vast salt marshes that, under the influence of strong…

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30 years of maintenance

The maintenance contract is crucial in this project. You can compare it with the relationship between tenant and landlord. Jan De Nul must maintain everything and carry out all necessary repairs to keep the building in a good state for thirty years.…

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100th school

In December 2016, Jan De Nul delivered the works for primary school De Horizon in Zwevezele, this is the 100th school within the ‘Schools of Tomorrow’ programme. This was celebrated with a ceremonial opening in the presence of Education Minister…

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Public private partnership

‘Scholen van Morgen’ is a public private partnership between partners from the public and private sector joining forces to realise a project with a clear task and risk division. CFO Paul Lievens explains: “Jan De Nul has much experience…

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New centre in the port of Liege

Sol&Val Monsin is Envisan’s latest asset. This treatment centre is specialised in the treatment of contaminated soils, predominantly from the southeast of Belgium. Together with the centre in Saint-Ghislain – which covers the southwest…

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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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The project Dac'art

PSR Brownfield Developers, the specialist of Jan De Nul Group for redeveloping brownfields, manages the Dac’Art project but also the civil construction division of Jan De Nul and the Environment Division Envisan have a part to play. “On the…

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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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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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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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Doing more with less space: not just in Monaco!

Diegem, in the Flemish periphery around Brussels, and on the Brussels – Antwerp axis, is near the national airport of Zaventem. It goes without saying that, in an area of such national and international economic importance, space is scarce and…

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Bridges, tunnels and viaducts

Seen from the air, the whole trajectory of the A11 – from the industrial estate ‘Blauwe Toren’ near Bruges to Westkapelle –looks particularly impressive. Bridges, entry roads and exits and roundabouts form joint interchanges at…

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Project bonds

Long before there was any mention of the engineering structures, the financing plan already showed our sense of innovation. The A11 is a public private partnership or PPP-project. Public partner Via-Invest and private partner Via Bruges each contributed…

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Innovative foundations

“The foundations of some of the engineering structures placed major challenges before us. ”, says Eric Leemans from Soetaert, the foundation expert that in the course of the construction period became part of Jan De Nul Group. The foundation…

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The integral technique makes a complete comeback

Koen Van Regenmortel is particularly proud of the maintenance-friendly application of the integral bridge technology in different places on the track. “Joints are subject to wear, no matter which road surface you use, and require intensive maintenance.…

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From Vidar to Vole au vent

At the end of 2015, Jan De Nul bought the offshore installation vessel Vidar. It was renamed Vole au vent during a ceremony in Ostend in April 2016 in the presence of Mathilde, the Queen of Belgium. The Vole au vent is 140 metres long and one of the…

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Only one chance

Precision is very important in offshore projects.During foundation installation the site survey and everything that has to do with measuring techniques, is crucial.  “You only have one chance”, says surveyor Bert Declerck. “If…

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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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Labour intensive job

The construction hasn’t been entirely without challenges. Koen Van Regenmortel, Civil Works Project Manager, supervised the construction works. “We did everything in our power, and more, to speed up the construction and complete the installation…

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Lowering and ballasting the construction

The foundations each weigh as much as the Eiffel Tower and are installed at a depth of 18 and 22 metre, with a very high level of accuracy. A tugboat brought the barge to the exact location at sea. The barge itself could be gradually lowered into the…

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Beaches in the South of France

At the end of October 2018, two ships collided with one another off the coast of Corsica, resulting in a fuel tank leak  . Part of the oil spill could be captured in the Mediterranean Sea but another considerable part washed ashore onto the beaches…

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