Scarborough Subway Extension

Rank 2024

14 Image Credit: Metrolinx

Industry Sector: Transit

Project Type: Subway

Project Value: $5.5 billion

Funding Source: P3

Province: Ontario

City / Region: Scarborough

Estimated End Date of Substantial Completion: 2026

The Scarborough Subway Extension is a 7.8-km extension of TTC’s Line 2 Bloor-Danforth Subway, from the existing Kennedy Station northeast to McCowan Road/Sheppard Avenue. The line will include three new stations at Lawrence Avenue and McCowan Road, Scarborough Centre and a terminal station at McCowan Road and Sheppard Avenue. Construction for the Scarborough Subway Extension began in the spring of 2021 at the corner of Sheppard Avenue and McCowan Road with the excavation of the tunnel launch shaft, which is about 80 metres long, 28 metres wide, and 28 metres deep. Tunnelling started in January 2023.

Project Owner: Metrolinx

Engineer: OneT+ (Gannett Fleming, IBI Group, GHD)

Project/Construction Manager: Procurement Manager: Infrastructure Ontario

P3 Team Members/Project Team: DBF Team (Advance Tunnel contract): Strabag Scarborough Project Inc. • Construction Team: Strabag Inc. • Design Team: ARUP Canada Inc., Brian Isherwood & Associates Ltd. • Financial Advisor: Strabag Inc. Stations, Rails & Systems contract: Scarborough Transit Connect Applicant Leads: Aecon Infrastructure Management Inc., FCC Construction S.A. Design Prime Team Member: Mott MacDonald Canada Ltd. Construction Prime Team Members: Aecon Infrastructure Management Inc., FCC Construction S.A.

Environmental Services: Englobe

Other Key Players: Jacobs (quality mgmt. and risk assessment); Comtech; WSP (operator’s representative); Morrison Hershfield (consulting engineer); Wood E&I (WSP) (consulting engineer/geotechnical studies); CIMA+; Dillon Consulting (technical advisory services); Entuitive; EY (management consultant); GFL (excavation, shoring, soil management); Hanscomb (cost consultant); Parsons (consulting engineer); R.V. Anderson Associates Ltd.; Turner & Townsend (project controls/estimating); Matrix Solutions Inc. (environmental specialists); AGAT Labs; Egis

Architect Names: Hatch (tunnel design); WSP (systems design and management); AECOM (station design)

Transmission Line Length (km): Borden Ladner Gervais (for the owner); Norton Rose Fulbright (for Strabag Scarborough Project Inc.)

Road or Transit Length (km): 7.8

2023 Rank: 14

2022 Rank: 14

2021 Rank: 21

2020 Rank: 20

2019 Rank: 19

2018 Rank: 16

2017 Rank: 15

2016 Rank: 11

2015 Rank: 11

2014 Rank: 13

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