WC130 MayJune2023 - Magazine - Page 29
24 — DON RIVER AND CENTRAL WATERFRONT & CONNECTED PROJECTS — $3 BILLION
Hatch
Toronto is embarking on the largest and most
2022 Rank: 25
significant stormwater management program
Location: Toronto, Ont.
in the city’s history. This 25-year program will
Owner: City of Toronto
greatly improve the water quality in the Lower
Don River and Central Waterfront Wet Weather Flow System
Don River, Taylor-Massey Creek and along
(DR&CW WWF System):
Toronto’s Inner Harbour by keeping combined
• Coxwell bypass (stage 1):
sewer overflows out of our waterways by
Black & Veatch Canada (consultants); North Tunnel Constructors (contractor)
upgrading technology and increasing the
• Inner Harbour West Tunnel: Hatch/AECOM (consultant)
• Mid-Toronto-Interceptor (MTI) Real-Time Control: Tetra Tech (consultant)
system’s capacity to capture, transport, and
Integrated Pumping Station (IPS): Black & Veatch Canada (consultants); Strabag
treat them. Comprised of an integrated system
Canada (contractor-contract 2)
of tunnels, storage shafts, connections,
Ashbridges Bay Landform Project: Toronto and Region Conservation Authority
an integrated pumping station, a high-rate
(TRCA) with Shoreplan Engineering (designer); TRCA (constructor of landform)
treatment facility, a real-time control system,
UV (Ultraviolet) Disinfection Facility: AECOM (consultants); Graham (contractor)
and wastewater treatment plant upgrades,
Outfall: Hatch, Jacobs and Baird (consultants); (SAJV) Southland Astaldi Joint
construction which began in 2018 is projected to
Venture (contractor)
Funding: Public
be completed in 2038.
Other Key Players: Wood- as WSP company (environmental engineer/geotechnical
The program is made up of several individual
studies); Golder-a WSP company (geotechnical services); Arcadis-IBI Group (risk
projects that will work together, including the
assessment); LEA Consulting (engineer-planning); R.V. Anderson Associates Ltd.
Don River and Central Waterfront Wet Weather
Substantial Completion: 2038
Flow System, the Ashbridges Bay Treatment
Plant (ABTP) Integrated Pumping Station, ABTP
Ultra-Violet (UV) Disinfection Facility, ABTP
the tunnel boring machine for the outfall project has completed its
Landform and high-rate treatment facility, and the ABTP Outfall. Major full tunnel length, bringing the project toward 75 per cent completion.
milestones in 2022 include the construction of the Coxwell Bypass
Other projects at the Ashbridges Bay Treatment Plant are also well
Tunnel and the ABTP Outfall. In July 2022, the tunnel boring machine
underway, including the Ashbridges Bay Landform Project, a joint
working on the Coxwell Bypass Tunnel broke through to create a 6.3
initiative between the City and the Toronto Region Conservation
m diameter, 10.4 km long tunnel. As of September 2022, the Project is
Authority (TRCA), the Integrated Pumping Station and the UV
80 per cent complete and expected to finish in early 2024. Similarly,
Disinfection Facility.
WAT E R C A N A D A . N E T
WATER C AN ADA • M AY/JUNE 2023
29
