Caldecott Tunnel
Orinda, CA || Contract Value: $29M || Owner: California Department of Transportation || General Contractor: Tutor || Scopes: Soil Nail Walls, Tiebacks, Tunnel, Secant Piles, Sound Wall, Horizontal Drains, CIDH, Soldier Piles
mining and tunneling projects
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
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
Caltrain Electrification Design Build Services
San Francisco, CA || Contract Value: $26.1M || Owner: The Peninsula Corridor Joint Powers Board || General Contractor: Proven Management, Inc. || Scopes: Tunnel Liner Repair, Contact Grout, OCS (Foundations, Micropiles, Canopy Tubes, Wire Installation)
AWB Beaver Creek Clean River Tunnel
Project Scope: Mining & Tunneling || Service Type: TBD || Completion: TBD || Owner: TBD || General Contractor: TBD || Engineer/Architect: TBD || DTDS Project Manager: TBD
Mayo Clinic Tunnel
Phoenix, AZ || Contract Value: $1.6M || Owner: Mayo Clinic || General Contractor: Blount Contracting, Inc. (Subcontractor to DPR Construction) || Scopes: Tunnel