The core activity of Zehnder Spezialbau AG is the execution of specialized deep foundation work, particularly in the area of drilling and ramming for the installation of pipelines and other underground infrastructure. This includes, among other things:
* Ramming: The installation of pipelines by ramming steel pipes into the ground.
* Auger boring: The installation of pipelines by drilling and pressing pipes into the ground.
* Long-hole drilling in rock: The execution of drilling for the installation of pipelines in rocky ground.
* Guided boring: The installation of pipelines by pressing pipes into the ground using guided boring methods.
* Soil displacement with earth rockets: The installation of pipelines by displacing the soil with an earth rocket.
* Core drilling: The execution of drilling for the installation of pipelines in various soil types.
* Pipe ramming: The installation of steel pipes by ramming them into the ground.
The company carries out these works for various clients, including energy network and water supply companies.