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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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CRC compaction Matarbari powerplant

We have executed CRC roller compaction to assure platform stability and check for soft spots on the Matarbari powerplant construction site before installation of vertical drains commenced.

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CVC compaction for stability slopes

We have compacted the slopes for a pipe pull in Borselle, the Netherlands, from a barge up to a depth of 30m deep.

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PVD installation for Treasure Island, San Francisco

Our heaviest rig was used to install PVD's up to a depth of 50m without predrilling through very dense sands.

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BeauDrain-S installation for dike reinforcement project Hoekse Waard Noord

We installed BeauDrain-S drains without vacuum preloading for draining a specific layer for a dike reinforcement project in the Netherlands.

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PVD installation for M74 Glasgow

Cofra Ltd installed 91,000m1 of vertical drain on this motorway embankment construction works in 2009.

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PVD installation for Road embankment, Rushenden

Cofra Ltd installed 177,000m1 of vertical drain on this Relief Road project in 2009.