Scarborough Subway Extension Advance Tunnel Project

Project details

  • Client

    Strabag, Metrolinx Contracting Authority, Aecon, Dragados, Ghella DBJV, Acciona

  • Services

    Infrastructure Advisory, Project Delivery

  • Location

    Toronto, Ontario

  • Sectors

    Transport

The Scarborough Subway Advance Tunnel project consists of a 10.7m diameter single bore tunnel for the 7.8km extension of TTC Line 2 in Scarborough, Toronto.

This project also includes the launch and extraction shafts, tunnel and headwalls for emergency exit buildings and stations and supplying the tunnel boring machine and installing precast concrete tunnel liners.

WT provided a full suite of pre-bid due diligence services to one of the shortlisted proponents. WT is providing Independent Certifier services the Scarborough Subway Extension Advance Tunnel project delivered under the Design, Build, Finance (DBF) model. As a neutral third party jointly appointed by the Project Co and the Owner, WT monitors construction progress, certifies monthly payments, conducts site inspections, tracks deficiencies, issues Substantial Completion and Financial Completion certificates, and facilitates clear communication between stakeholders to ensure contractual compliance and successful project delivery.