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Canada : Request for Qualifications Issued for Tunnelling Works
Publish Date : 13-Mar-2020
Infrastructure Ontario (IO) and Metrolinx have issued two Requests for Qualifications (RFQs) for advance tunnelling work on the Scarborough Subway Extension and the Eglinton Crosstown West Extension - the first phase of work for the two projects.
The Scarborough Subway Extension is an approximate 8-kilometre extension of Line 2 from Kennedy Station to McCowan Road/Sheppard Avenue.
The Eglinton Crosstown West Extension is a 9.2-kilometre extension of the Eglinton Crosstown LRT (future TTC Line 5). The extension will run mostly underground, westward from the future Mount Dennis station to Renforth Drive. A possible future connection to Toronto Pearson International Airport is also being studied.
To expedite work on these projects, tunnelling will begin first, to be followed by separate contracts for the balance of the work on each project, which includes building the stations, fitting-out the tunnels and installing and commissioning the systems.
The RFQs issued outline the scope of work to design, build and finance the tunnels.
Scarborough Subway Extension Tunnel:
Tunnelling works for the approximate 8-kilometre subway extension, from Kennedy Station to McCowan Road/Sheppard Avenue
Design and construction of launch and extraction shafts, tunnels, as well as headwalls for emergency exit buildings stations
Supply tunnel boring machines (TBMs) 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)
Eglinton Crosstown West Extension Tunnel:
Tunnelling works for approximately 6 kilometres of the 9.2-kilometre light rail transit extension
Design and construction of launch and extraction shafts, tunnels, as well as headwalls for emergency exit buildings and stations
Supply tunnel boring machines (TBMs) 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)
The RFQ is the first step in the procurement process to select teams to deliver the advanced tunneling work for the two projects. Companies interested in bidding on these tunneling contracts must register with www.merx.com to download the respective RFQs.
IO and Metrolinx will evaluate RFQ submissions. Teams that possess the relevant experience and capacity to deliver each project will be shortlisted and invited to respond to a Request for Proposals (RFP) in summer 2020.
The Scarborough Subway Extension and the Eglinton Crosstown West Extension are two of four priority transit projects announced by the Province in 2019 for the Greater Toronto and Hamilton Area. The other two projects include the Ontario Line project and the Yonge North Subway Extension.
Procurements for the subway program will be staged to ensure each project is delivered successfully. Planning is underway for all four projects, with the Ontario Line scheduled to be the first in service as early as 2027.
