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Offshore PVD installation M02 basin enclosure Port de Brest, France

Offshore PVD installation M02 basin enclosure Port de Brest, France In 2018, we installed 415,000m1 of prefabricated vertical drains from a barge, with an installation depth up to 17 below seabed.  PVD installation is part of our segment consolidation. Bouygues Brest Cofra B.V.

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Offshore Vertical drains

Offshore Vertical drains Since the development of the synthetic prefabricated vertical drain (PVD) in the late 1970ties, Cofra is worldwide one.... Why it's used Vertical drains in an offshore application are mainly used to govern the stability of the embankment to be constructed. When off... project What it is This techniques involves the installation of artificial drainage paths or vertical drains from a barge into soft compressible soils

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Vertical drains

Vertical drains Since the development of the synthetic prefabricated vertical drain (PVD) also known as wick drain in the late 1970ties, Cofra... paths or vertical drains into soft compressible soils. The prefabricated vertical drain (PVD) used by Cofra are specially designed to work effectively under high settlements (i.e. under buckled or kinked conditions). The vertical drains also come under other names like vertical band drains, strip drains

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About us

of consolidation techniques like vertical drains and vacuum consolidation. Our experienced staff continuously works on the development of new ground... improvement contractor with a long track record and in-house geotechnical engineering. Our first projects in the field of prefabricated vertical drains originate from the end of the 1970-ties. Before the development of the prefabricated vertical drains, Cofra installed sand piles to accelerate

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Vacuum consolidation

the option to provide you with vacuum solution for offshore or tailing pond applications. For the liner vacuum system prefabricated vertical drains... paths or vertical drains into soft compressible soils with a lowering of the atmospheric pressure inside the drains to accelerate the consolidation... pressures, also known as consolidation, can take up to years depending on the thickness of the deposit. Vertical drains or also known as wick drains

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Press release

Boskalis acquires LNG - contract in Nigeria

will deploy heavy duty equipment of its subsidiary Cofra (for vertical drains) to accelerate the consolidation process. The project will be executed... market segments in the dredging industry. It also has positions in strategic partnerships in the Middle East (Archirodon) and in offshore services

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