Calaveras Dam
Sunol, CA || Contract Value: $15.5M || Owner: San Francisco Public Utilities Commission || General Contractor: Flatiron || Scopes: Soil Nail Walls, Rock Bolts, Tieback Walls, CSM/DSM, Tunnels, Shaft, Compensation Grouting
Mining & Tunneling Projects
Carlton Tunnel Rehab
Leadville, CO || Contract Value: $12.6+ M || Owner: Busk Ivanhoe Water System Authority || General Contractor: Drill Tech Drilling & Shoring, Inc. || Scopes: Tunnel Rehabilitation (Rock Bolts, Steel Sets, Fiber Reinforced Shotcrete), Portal Work (Debris Removal, Scaling, Rockfall Mesh, Rock Bolts), Concrete Pipe Placement
Re-Wetting of Muggins Gulch
Larimer County, CO || Contract Value: $3.4M || Owner: Colorado Department of Transportation || General Contractor: Flatiron || Scopes: Tunnel, Soil Nail Shoring, Slope Rockfall Protection
Tunnel Stabilization & Sewer Pipeline Phases 1-4
Laguna Beach, CA || Contract Value: $81M || Owner: South Coast Water District || General Contractor: Drill Tech Drilling & Shoring, Inc. || Scopes: Tunnels, Tunnel Rehabilitation, Shaft, Reconnect Lateral Services
Two-Mile Bar Tunnel
Jamestown, CA || Contract Value: $16.5M || Owner: Oakdale Irrigation District || General Contractor: Drill Tech Drilling & Shoring, Inc. || Scopes: Tunnel, Diversion Structures
Clos De La Tech Storage Tunnels
San Mateo County, CA || Owner: Clos De La Tech LLC || General Contractor: Drill Tech Drilling & Shoring, Inc. || Scopes: Tunnels, Soldier Pile Walls, Soil Nail Walls