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Application areas

Cofra provides integrated solutions for many ground improvement and specific environmental markets. We cover all project phases related to ground improvement from (pre-) feasibility and design through to construction and monitoring. We can offer together with Boskalis comprehensive solutions (quay walls, roads, railways, tunnels and bridges) and have together almost over a century experience to accommodate it.

Our Markets and Application areas

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Infrastructure: roads, railways, ports, airports

We provide solutions for the consolidation and compaction of the subsoil in order to reduce post construction settlements and guarantee stability during construction. Our barriers can be used to create the line infrastructure below ground water level.

Infrastructure
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Dredging – land reclamations

Our consolidation and compaction techniques are optimized to be used on land reclamation projects. With high productions, high quality control and an exceptional fleet equipment we can be put in schedules against the largest dredging equipment in the world.

Reclamation
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Mining

Our Ground improvement techniques are highly suitable for the consolidation of tailing ponds to create more volume or increase the strength of the material. Our barrier solution are used isolate polluted materials from the environment.

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Construction: Industry, warehouses, logistics, tank farming, housing

Our ground improvement techniques are highly suitable for the preparation of the subsoil for the construction of structures. Our consolidation techniques reduce the settlement, whilst our compaction techniques can perfectly be used to compact the footing areas of warehouses.

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Pollution management

Our barrier solutions are due to the use of HDPE materials optimized to isolate the most polluting substances. This can be performed horizontal as well as vertical.

Pollution management
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Flood protection

Our barrier and consolidation solutions are often used in the flood protection market. Our consolidation techniques are used to consolidate the soil behind or under new dikes to increase the strength. Our barriers are used to control waterlevels, block sand transport or prevent erosion.

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Liquefaction mitigation

Our compaction solutions, earthquake drains and stone columns are used to prevent or mitigate the effects of the liquefaction of the subsoil.

Our solutions per market segment

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Our projects - Please filter on markets for the specific projects per market segment

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Geolock in primary flood barrier up to a depth of 25m

We supplied and assited with the installation of 30,000m2 of Geolock, a vertical impermeable 2mm HDPE seal, inside a cement bentonite walls up to a depth of 25m to assure watertightness of a primary flood barrier in Nijmegen.

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Geolock installation for Aquaducts around Leeuwarden

We installed on five projects around Leeuwarden in total 33,000m2 of Geolock, a vertical impermeable 2mm HDPE seal, up to a depth of 15m to assure watertightness for several aquaducts between 2013 and 2016.

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Geolock installation as vertical cut off barrier in Vedigge, Sweden

BAT Cofra installed 5,900m2 of Geolock, a vertical impermeable 2mm HDPE seal, up to a depth of 17m to assure watertightness in Vedigge Sweden.

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Geolock installation to prevent contamination spread of landfill of Torquay

Cofra Ltd installed 2.500m2 of Geolock, a vertical impermeable 2mm HDPE seal, up to adepth of 8.5m to assure watertightness and prevent the spread of contamination around a landfill site in Torquay in 2008.

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Geolock installation to prevent contamination spread around a factory in Kokkola, Finland

We installed 12,000m2 of Geolock, a vertical impermeable 2mm HDPE seal, up to a depth of 9m to assure watertightness and prevent the spread of contamination around the waste area of a factory in Kokkola, Finland, in 2006-2007.

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Geolock installation to prevent seapage of water in Escravos Nigeria

We installed 13.000m2 of Geolock, a vertical impermeable 2mm HDPE seal, up to adepth of 5.5m to assure watertightness around a gass plant in Escravos Nigeria in 2004