Main sewers cleaning process that combines a cleaner and a mucker which operate continuously.

No concrete and less rubble with the use of native soil as building material.

Enhancement of pile performance by threading.

Threefold increase of energy efficiency of the jet grouting process with associated geophysical monitoring.

Self-levelling, railless muck wagon.

New concept of deep underground storm water storage tanks.

Settlement control
during tunnel boring.

Underground water seepage control.

Hydraulic diaphragm wall grab.

Remediation
of burning oil wells (Kuwait).

Environment award

In situ stabilized soil columns.

Continuous flight
auger with integral telescopic tremie-pipe.

Reverse circulation diaphragm walling rig.

Watertight joints
for diaphragm wall panels.

Acquisition and real time analysis of drilling parameters.