Projects

With decades of experience, we have successfully executed over 300 miles of tunnel projects across the Americas, Europe, Asia, Australia and Africa.

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Hampton Roads Crossing Quality Control
Solu River Hydropower Project
Portal Bridge Capacity Enhancement (PBCE)
Weehawken Tunnel West Portal Stabilization
Mesa Grande Plateau Slope Stability
HS2 Euston Station
Delhi Metro DC 05
Kanpur Metro KNPCC 06
High Speed 2 Contracts N1 & N2
Queen Elizabeth II Reservoir Tunnel Relining
Pagiriai Anhydrite Dimension Stone Project
The Woodsmith Project
Silvertown Tunnel
Ship Canal Water Quality Project
Advance Tunnel for Scarborough Subway Extension
Outfall Tunnel
Los Bronces Underground Tunnel
Pawtucket CSO Tunnel Project
HS2 Birmingham Pipe Jack Sewer Diversions
South Laguna Tunnel Stabilization & Sewer Pipeline Replacement
LU Euston Station Replacement Substation, Ventilation Shaft and Tunnels
Alto Maipo As-Built Operation and Maintenance Services
Western Rail Link to Heathrow
Plane Train Tunnel West Extension
Hampton Roads Bridge Tunnel Expansion Project
Pacific-Orinoquia Connection Project
Shuakevi Hydro Power Project
The Gateway Program: The Hudson Tunnel Project
WMATA Steel Tunnel Liner Structural Investigation
Decline Tunnels Project
Whiteball Tunnel Project
WMATA Tunnel Waterproofing Design
No. 7 Subway (Flushing) Access Improvements at Grand Central Station
Gallery Place – Chinatown Station Passageway
East Link Extension – Downtown Bellevue Tunnel
Jamaican Rum Train Tunnels
Cle Elum Dam Fish Passage Juvenile Utility/Facility Tunnel
Kosovo Route 6 Motorway Project
Guinea Bauxit Export Project
Luck Stone Inter-Quarry Tunnel
Soto Norte Project
Metro De Santiago Line 3
High Speed 2 Rail, Contract C1 Project
3 Rivers Protection and Overflow Reduction Tunnel Project
Confederation Line Project Stage 2
Ballard to West Seattle Link Extension Project
Toronto Transit Commission Relief Line South
The Americo Vespucio Oriente II Project
VTA’s BART Silicon Valley Phase II Extension Project
California High Speed Rail
Thomson East Coast Line,TE311 South Bedok Station and Tunnels
Downtown Dallas Transit Improvement D2 Program
Northern Line Extension
Alto Maipo Hydroelectric Power Project
Alto Maipo Independent Design Verification (IDV) Engineer
Paddington Bakerloo Line Link
C6 Tunnel Rehabilitation Design
Bingham and Pine Canyon-Parvenu Tunnel Inspections
Park Avenue Tunnel Rehabilitation
Purple Line – Plymouth Tunnel
Farnworth Tunnel Upgrade
HBLR Bergenline Ave. Station Leakage Assessment
Alexandria Station Pedestrian Tunnel
Easterly Tunnel Dewatering Pump Station
Vauxhall Station Upgrade Project
Tuscarora Tunnel Rehabilitation Project
Ruta del Sol Road Project
Bingham Canyon Mine
Anacostia River Tunnel Project DC Water
Cheves Hydropower Plant
Thomson Line Tunnel, Contract T213
Riyadh Metro Project Package 1
Ovit Highway Tunnel
Santiago Metro Line 6
Liberty Tunnel Rehabilitation Project
Istanbul Strait Road Crossing Project
Northeast Corridor SCMAGLEV
Northgate Link Extension
London Cable Replacement Tunnels
Medical Center Crossover Cavern
University Link U230 Contract – Light Rail TBM Tunnels
Port of Miami Tunnel
Den Chai to Chiang Rai Railway Line
Bond Street Station Capacity Upgrade
Toronto – York Spadina Subway Extension
Metro Transit St. Louis Leak Remediation Design
NEWater Infrastructure Plan Extension
Cross County MetroLink Extension
Raccoon Mountain Pumped Storage Plant
Zimmerman Trail Tunnel
Suffolk County Bergen Point WWTP Outfall Tunnel
Caldecott Tunnel Fourth Bore Project
Sentosa Gateway Road Tunnels
Chinatown Station
Interface Between THE Tunnel and No. 7 Subway Extension Tunnel
Kathu – Patong New Highway Linkage Project
South Ferry Terminal Project
Silver Line Phase III Project
Bunji Hydro-Power Project
Green Park Station
Tottenham Court Road Station Upgrade
SR520 Bridge Replacement Study
Victoria Station Upgrade
No. 7 Subway (Flushing) Line Extension CM Services
Grand Rapids Medical Corridor North Pedestrian Tunnel
Trans Hudson Express Tunnels
Trans Hudson Express Tunnels New York Penn Station Expansion (NYPSE)
Crossrail London
Devil’s Slide Tunnels
Beacon Hill Station, Running Tunnels and West Portal Wall
Weehawken Tunnel West Portal Retaining Wall
Shepherd’s Bush Central Line Station Upgrade
Old Union Railroad Tunnel Rehabilitation
Chicago O’Hare Airport Express Block 37
Dulles Corridor Metrorail Project
Fort Canning Tunnel and Realignment of Stamford Road
Weehawken Tunnel West Portal
Silver Line Courthouse Station and East Tunnels Remediation
Automated People Mover System
Weehawken Tunnel and East Portal Shotcrete VECP
King’s Cross Station Redevelopment
Barrington Road Ventilation Shaft
Port Authority Trans – Hudson (PATH)
No. 7 Subway (Flushing) Line Extension
Steam Tunnel and Storm Water Improvement Shaft
Indian Creek Drainage Basin Shafts
Bergen Tunnels Rehabilitation
Dulles Airport Pedestrian Walkback Tunnel
Grand Central Madison (East Side Access) New York
East Side Access Tunneling Under Northern Boulevard
Russia Wharf Tunnel Segment
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