Sequential Excavation Method (SEM) Tunneling
Jay Dee Contractors specializes in the Sequential Excavation Method (SEM), delivering adaptive, cost-effective tunneling solutions in diverse geological conditions. Our approach ensures controlled excavation, precise support installation, and unwavering safety, maintaining project timelines with expert precision.
Capabilities
- Road Header
- Pocket Excavation with Shotcrete
- Hand Mining
Sequential Excavation Method Tunneling Projects
East West Trunk Sewer & South Conveyance
The East West Trunk & South Conveyance project consists of 1.5 miles of 14.5-ft stormwater tunnel and seven junction/access shafts...
Turner Paschen Aviation Partners
Coxwell Bypass Tunnel
The Coxwell Bypass Tunnel is a landmark project under Toronto’s Wet Weather Flow Master Plan, aimed at eliminating combined sewer...
City of Toronto
Repair and Rehabilitation of Detroit River Interceptor
This project focused on rehabilitating the 12-mile-long Detroit River Interceptor (DRI), which channels most of Detroit’s sewage to a common...
Great Lakes Water Authority
We’re Here to Dig Into Your Project
We are pioneers in the tunneling industry ready to take on every challenge in an ever-evolving landscape. We immerse ourselves in creating innovative tunneling solutions. It’s the foundation of who we are and what we do. Have a project in mind or a question for our team? Let’s connect and start building solutions together.
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