Infrastructure Ontario (IO) and Metrolinx have awarded a fixed-price contract of CAD1.4 billion (US$10.17 billion) to North End Connectors to design, build and finance the advanced tunnelling project for the Yonge North Subway Extension. The twin 6.3 Km tunnels will run from Finch Station on TTC Line 1 to south of Langstaff Road in Markham, where the extension will shift to a surface-level segment.

The North End Connectors team includes:

• Applicant Leads: Aecon Infrastructure Management Inc., Fomento de Construcciones y Contratas Canada Ltd., Ghella Canada Ltd.
• Construction: Aecon Infrastructure Management Inc., Fomento de Construcciones y Contratas Canada Ltd., Ghella Canada Ltd.
• Design: EXP Services Inc., TYPSA Inc.
• Financial Advisor: National Bank Financial, Aecon Concessions, Fomento de Construcciones y Contratas Canada Ltd, Ghella Investments & Partnerships SpA.

The scope of work for the project includes:

• Approximately 6.3 kilometres of tunnelling for the approximately eight-kilometre extension.
• Tunnelled route: North along Yonge Street from Finch Station, curving east along Bay Thorn Drive to south of Langstaff Road.
• Design and construction of launch and extraction shafts, twin tunnels, headwalls for emergency exit buildings and stations, and support of excavation for emergency exit buildings.
• Procurement and installation of tunnel boring machines and precast concrete tunnel liners.