Featured Project
Name: No Business Creek Tunnel and Lift Station
Description: Sewer Interceptor / Storage Tunnel
Value: $56,418,985
CONSTRUCTION METHODS
Tunnel Construction Methods
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Tunnel Boring Machine (TBM)
- Fully Shielded TBM's
- Earth Pressure Balance TBM's
- Open Shields
- Rock and Soft Ground Bore to 33' Diameter
- Pipe Jacking to 10' Diameter
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Primary Tunnel Support & Linig Applications
- Ribs and Boards
- Concrete segments
- Steel liners
- Shotcrete (Plain and Reinforced
- Rock bolting
- Liner plates
- Grouting (Consolidation and Cut Off)
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Secondary Supports
- Monolithic Concrete
- pipe Placement and Annulus Backfill
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Shaft Sinking
- Caisson Sinking Shaft Excavation
- Vertical Boring Machine Excavation
- Vertical Compressed Air Locks
- Ground Freezing
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Other Tunnel Disciplines
- Pneumatic Tunneling
- Drill and Blast
- Gyroscopic Survey Control
- Computerized Guidance Systems