Execution of a cofferdam under the « Pont National » bridge with welding due to the small clearance.

Three levels of propping and immersed concrete plug to manage water flow of the Seine river.

Driving and extraction of a 45 x 25 m cofferdam with propped sheetpiles for the extraction of 8 m of polluted soil.

T.L.N project – Execution of a road hopper under SNCF railways with vibro-driving and pile-driving of PU 22 sheetpiles of various lengths, under traffic stoppage during week-end.

Monitoring of vibrations on running railways.

Execution of a cofferdam in a powerplant by vibro-driving with a leader, propping with long length beams.

Cofferdam for the execution of 2 levels of underfloors.

Checking of the bearing capacity with a static load test on a pair of sheetpiles driven with a vibro-hammer.

Execution of a circular cofferdam  Ø 16 m with definitive PU 18 sheetpiles with joints for a sewage storage tank.

Execution of a cofferdam with an outside propping  and a sheetpile wall for a sea outfall.