Infrastructure Ontario (IO) and Metrolinx have awarded a contract of CAD729.2 million (US$604 million) to West End Connectors for the Eglinton Crosstown West Extension (ECWE) Advance Tunnel project. The team will be responsible to design, build and finance the project, which consists of approximately 6 kilometers of tunneling for the 9.2-kilometer extension. 

The winning team includes the following companies:

• Developer: Aecon Infrastructure Management Inc., Dragados Canada Inc., Ghella Canada Ltd.
• Design: TYPSA Inc., EXP Services Inc.
• Construction: Aecon Infrastructure Management Inc., Dragados Canada Inc., Ghella Canada Ltd.
• Financial: ACS Infrastructure Canada, Aecon Concessions, Scotiabank Capital, Ghella Investments & Partnerships

The Eglinton Crosstown West Extension Advance Tunnel scope of work includes:

• Approximately 6 kilometres of tunneling for the 9.2-kilometre extension.
• Design and construction of launch and extraction shafts, tunnels, as well as headwalls for emergency exit buildings and stations.
• Supply tunnel boring machines and install segmental precast concrete tunnel liners.
• Activities necessary to build the tunnel (e.g. utility relocations, supports for shaft and headwalls, temporary power supply, lighting, ventilation, and drainage).

Construction works are expected to start in spring 2021, while major tunnel boring works will start in spring/summer of 2022.