• Consulting services for geotechnics, underground engineering and mining
  • Geotechnical site supervision
  • Design of subsurface structures
  • Site supervision for geotechnics, underground engineering and mining


Our experts in geotechnics, underground engineering and mining offer design and consulting services as well as project management and site supervision.

Our services

  • Design of tunnels, shafts, caverns and underground engineering services for road, railway, metro, hydropower and mining projects
  • Geotechnical and structural tunnel design for NATM and TBM tunnelling in soft ground and rock including ancillary facilities
  • Geotechnical design of soil and rock slopes
  • Geotechnical expert opinions with a focus on rock mechanics and analyses of stability in mines and quarries
  • Consulting services covering all aspects of geotechnical engineering, tunnelling, construction operation and construction contracts
  • Project management and controlling of tunnelling and underground engineering projects
  • Geotechnical supervision of tunnelling sites, design and interpretation of geotechnical monitoring and geotechnical risk management

Our strengths

Our three offices in Vienna, Salzburg and Ljubljana employ some 40 engineers and offer a complete range of design and consulting services in the fields of tunnelling and underground engineering. Our experienced engineers manage various teams; most with over 15 years of experience with projects in Austria and abroad.

Our teams are organised in an interdisciplinary way and  are able to directly access the multifaceted services of iC in civil, structural, geotechnical, electrical , mechanical and agricultural engineering. Special emphasis is placed on cooperating with engineering geologists.

We are proud that our clients are highly satisfied and maintain long-term business relations with us. Our goal is to understand precisely what our clients need and offer optimum solutions. It is our conviction that all parties involved profit from anticipatory planning.

Successfully developed projects

Here you find a selection of projects in the field of tunnelling. Please click on the respective picture for more information on the project or use the search function.