tunnelling in Switzerland

IP Engineering GmbH is a company of consulting engineers, following tunnel ventilation and safety projects from the first ideas and concepts over feasibility studies, preliminary and detailed des…

IP Engineering GmbH is a company of consulting engineers, following tunnel ventilation and safety projects from the first ideas and concepts over feasibility studies, preliminary and detailed des…

IP Engineering GmbH Offering a broad range of professional services in the fields of tunnel ventilation, tunnel safety and aerodynamics.

Rowa Tunnelling Logistics Engineering Tunnelbau Untertagebau Nachlaufinstallationen für Tunnelbohrmaschinen Tiefbau Sprengvortrieb Schrägschacht Logistiksysteme Logistikkonzepte Dienstleister für…