In any tunnel project unrecognized defects and damage can be a great risk for all parties involved. That's why professional and objective inspection is all the more important.


When inspecting a tunnel or remedying a defect, our clients can trust the expertise and absolute reliability of our engineers.

Umweltschutztunnel Liefering
Tunnelkette Semmering
Umfahrungstunnel Noitzmühle
Umfahrungstunnel Steinhaus