Soetaert, a company of Jan De Nul, started drilling Olivier piles in the Woluwe valley. This with the new patented system without a lost bit. The piles are for a sewerage project in Kraainem.
Drilling an Olivier pile d36/56 with the patented system to work without a lost bit. Full reinforcement and concrete can be placed without any problems. The double soil displacement Olivier auger head ensures that little or no soil comes to the surface. An Olivier pile has a helical shaft.