Two major Ontario Line works packages receive bids


Ontario Construction News staff writer

Two major works packages for the Ontario Line have received bids from shortlisted teams, Infrastructure Ontario and Metrolinx announced last Friday (Sept. 29).

The Pape Tunnel and Underground Stations project has received bids from Pape North Connect and Trillium Subway Partners, while the Elevated Guideway and Stations project has received bids from Rail Connect Partnership, Transit Expansion North and Trillium Guideway Partners.

Scope of work for the Pape contract incudes:

  • Three kilometres of twin tunnels underneath Pape Avenue between the Gerrard portal and the Don Valley bridge
  • Underpinning of the existing TTC Pape Station on Line 2.
  • Two underground stations (Pape and Cosburn) and two portals
  • Three emergency exit buildings/emergency services buildings
  • A rail switch/crossover in the section of tunnel near Sammon Avenue
  • Interface with Line 2 TTC subway

Scope of work for the Elevated Guideway contract:

  • Three kilometres of an elevated guideway (bridge structures)
  • Five elevated stations (Riverside-Leslieville, Gerrard, Thorncliffe Park, Flemingdon Park, Science Centre)
  • One emergency exit building
  • Interface with the maintenance and storage facility
  • Interfaces with Eglinton Crosstown LRT Line 5 as well as sections of existing Metrolinx-owned rail corridor where Ontario Line trains will operate

Proposals will be evaluated by Infrastructure Ontario and Metrolinx, and the top-ranked team from each project will work collaboratively with Metrolinx during a Development Phase, expected to start in 2024. Once the Development Phase is completed, Metrolinx will have the option to sign a contract with the successful team.

The Ontario Line is a 15.6-kilometre light rail transit line that will run from Exhibition Place to the Ontario Science Centre. The line is expected to open in 2030.

Work is being delivered through various Public-Private-Partnership (P3), progressive design-build and traditional procurement contracts, which are all being staged accordingly for their successful delivery. This segment of the project is being delivered through four packages of work: two major works contracts as noted above and two smaller early works contracts via



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