Tunnel Repair & Rehabilitation
SubTerra, Inc. has performed condition surveys and repair designs for 100-year old tunnel structures and underground hydroelectric plant powerhouse openings coupling these services with our extensive experience in excavation engineering, underground ground support design, shotcrete technology, and design visualization. Advanced survey and data processing techniques have been used to prepare 3-D digital models and still images for presentations to Owners, other Engineers and potential Repair Contractors.
Typical Services and Work products include:
SubTerra, Inc. brings over twenty five (25) years of experience on over 100 completed Tunnel and Microtunnel projects. This experience includes Owner and Contractor Design, Design Review, Construction Management, Claims and Claims Management and Expert Support in Litigation. Projects include Conventional Excavation (drill-and-blast), NATM/SEM, TBM, EPBM, MTBM and a wide range of Pipe Jacking with tunnels as short as 40-ft and as long as 9-miles.
We specialize in Complex Designs providing simple solutions for Complex Projects using a full range of Design Tools and 3-D Modelling to demonstrate Complex Projects in advance of Construction.