Dr. Sauer & Partners is an independent consultancy, specialised in tunnel design, supervision and construction management services. Founded in Austria over 30 years ago by Dr. Gerhard Sauer, the company has become renowned as a worldwide leader in tunnel engineering. Dr. Sauer & Partners provides the full range of design and construction services for SCL tunnels, shafts and caverns. These services include initial consultation and feasibility studies, final design, supervision and construction management, tunnel inspection and condition surveys, rehabilitation, waterproofing and water control, geotechnical engineering and mining support services.