Infrastructure Ontario and Metrolinx have awarded a $1.4 billion fixed-price contract to North End Connectors to design, build, and finance the advance tunnelling project for the Yonge North Subway Extension.
The twin tunnels, each 6.3 kilometres long, will run from Finch Station on TTC Line 1 to south of Langstaff Road in Markham, where the extension will transition to a surface-level route.
Key Highlights:
- Project: Advance tunnelling for Yonge North Subway Extension
- Location: Toronto to Markham, Ontario, Canada
- Contract Value: $1.4 billion
- Client: Infrastructure Ontario (IO) and Metrolinx
- Consortium: North End Connectors (Aecon Infrastructure Management Inc., Fomento de Construcciones y Contratas Canada Ltd., Ghella Canada Ltd.)
- Scope: 6.3 km twin tunnels, launch and extraction shafts, headwalls, tunnel boring machines, precast concrete liners
- Delivery Model: Design-Build-Finance, Public-Private-Partnership (P3)
- Status: Early works underway, major construction to start after design completion
The North End Connectors consortium includes Aecon Infrastructure Management Inc., Fomento de Construcciones y Contratas Canada Ltd., and Ghella Canada Ltd. as construction leads, with EXP Services Inc. and TYPSA Inc. providing design services. Financial advisory support comes from National Bank Financial, Aecon Concessions, FCC Canada, and Ghella Investments & Partnerships SpA.
The scope covers design and construction of launch and extraction shafts, headwalls for emergency exit buildings and stations, support of excavation works, and installation of tunnel boring machines with precast concrete tunnel liners.
The project is being delivered under IO’s P3 model, following an open and competitive procurement process. Early works are in progress, with major construction to begin once design activities are completed.
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