Water and Wastewater Equipment | Environmental XPRT

Cofra - Model CDC - Dynamic Compaction System

Cofra Dynamic Compaction (CDC) method, also referred to as Rapid impact compaction (RIC), is a technique that densifies loose granular materials up to a depth of 7 to 9 meters below the surface by repeatedly dropping an hydraulically accelerated weight from a height of 1.2 to 1.5m onto a foot which remains in contact with the soil. This provides a highly save and sound operational process when ...

By Cofra B.V. based in Amsterdam, NETHERLANDS. from Compaction Product line

Cofra - Cofra Roller Compaction System

The Cofra Roller Compaction (CRC) method, also referred to as High Energy Impact Compaction (HEIC), is a technique that densifies loose granular materials up to a depth of 2 to 3 meters below the surface by pulling a non-circular roller over the surface of an ...

By Cofra B.V. based in Amsterdam, NETHERLANDS. from Compaction Product line

Cofra - Piled Embankment

Cofra was one of the pioneers in the field of piled embankments and has installed piled embankment for over 15 years. For the cases where our consolidation or other element solutions may not provide the desired results in term of embankment construction or residual settlement Cofra has developed the AuGeo piled embankment system to deliver settlement-free road construction platforms in a very ...

By Cofra B.V. based in Amsterdam, NETHERLANDS. from Elements Product line

Cofra - Offshore Vertical Drains

Since the development of the synthetic prefabricated vertical drain (PVD) in the late 1970ties, Cofra is worldwide one of the leading contractors in this segment. Cofra has installation rigs available for each soil type, varying from very soft soils to very stiff intermediate layers that can be deployed on pontoons. Our installation rigs are designed for containerized transport and thus easy to ...

By Cofra B.V. based in Amsterdam, NETHERLANDS. from Consolidation Product line

Cofra - Vacuum Consolidation Systems

Cofra has a long track record in the field of vacuum consolidation. We have multiple vacuum consolidation systems within our range of techniques, amongst which Beaudrain, BeauDrain-S and the traditional vacuum consolidation method using a synthetic liner. All concepts, except for the BeauDrain system which uses an in-house developed special plough, are installed by using our own PVD rigs. Every ...

By Cofra B.V. based in Amsterdam, NETHERLANDS. from Consolidation Product line

Cofra - Geotextile Encased Columns

Cofra has started with the application of Geotextile Encased Columns when former Mobius sections, in the past the market leader in the installation of GEC, were acquired by our parent company Boskalis. Due to our strong relationship with Huesker Cofra has become one of their preferred installers to install the GEC columns on every location in the ...

By Cofra B.V. based in Amsterdam, NETHERLANDS. from Elements Product line

Cofra - HDPE Membrane Liners

Cofra is an highly experienced installer of PE geomembranes with more than 25 years of experience. We are one of the largest installers in the Netherlands on waste disposal sites and in the civil application of KIWA-certified 2.0 mm HDPE geomembranes. With help of our network, in-house expertise and engineering department we can provide you with assistance in the design of the capping structure, ...

By Cofra B.V. based in Amsterdam, NETHERLANDS. from Barriers Product line