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Ontario Line North Segment Project

Service Type:

Hazardous Materials Abatement, Tree Removal, Demolition

Client:

Governmental Agency

Location:

Toronto, Ontario

Tri-Phase Group was awarded the Ontario Line North Segment Project, a comprehensive initiative aimed at facilitating infrastructure improvements across multiple sites in Toronto, Ontario. The project entailed hazardous materials abatement, structural demolition of several buildings, and extensive tree removal services, addressing the complex challenges posed by each unique site. The project faced various challenges, including working in proximity to active railway lines, navigating TRCA regulated areas, and managing public safety through effective pedestrian walkways and coverage. Prior to the start of any work, Tri-Phase coordinated all required tree permits, demolition permits and utility disconnects for all locations.
The scope of work for the tree removal portion included tree removal of over 2500 trees ranging in size and diameter at designated locations around the Don Valley region. Some examples of challenges that had to be overcome was removal of trees on hills, and in close proximity to major infrastructure and structures.
In terms of the demolition and abatement scope of work, there were 5 buildings in Toronto that were abated and demolished. The detailed work of the structures were as follows:
Building 1
  • A commercial building with a gross floor area of approximately 2936 m2 of ground floor
  • Structural demolition of the building including the foundations
  • The major site demolition works includes but is not limited to the disconnection and removal of all site services and municipal services, capping of all existing services at the property line, installation of temporary hoarding/fencing, and removal of existing floor slabs, backfilling and grading.
  • Asbestos abatement Types I-II of drywall joint compound, vinyl floor tiles and caulking
Buildings 2 and 3
  • Building 2 is a commercial/residential building with a Gross Floor Area of 2700 m2 consisting of a ground floor, 2nd and 3rd floors
  • Building 3 is a commercial building with a Gross Floor Area of 1170 m2 consisting of ground floor, 2nd, 3rd, 4th and 5th floors
  • Structural demolition of the buildings including the foundations
  • The major site demolition works includes but is not limited to the disconnection and removal of all site services and municipal services, capping of all existing services at the property line, installation of temporary hoarding/fencing, and removal of existing floor slabs, backfilling, and grading.
  • Asbestos abatement Type I of brick mortar and parging materials
Building 4
  • Building 4 is a commercial building with a Gross Floor Area of 1170 m2 consisting of a ground floor, 2nd, 3rd, 4th, and 5th floors
  • Structural demolition of the building including the foundations
  • The major site demolition works includes but is not limited to the disconnection and removal of all site services and municipal services, capping of all existing services at the property line, installation of temporary hoarding/fencing, and removal of existing floor slabs, backfilling, and grading.
Building 5
  • Building 5 is a commercial building with a Gross Floor Area of 1150 m2 consisting of a ground floor and second floor
  • Structural demolition of the building including the foundations
  • The major site demolition works includes but is not limited to the disconnection and removal of all site services and municipal services, capping of all existing services at the property line, installation of temporary hoarding/fencing, and removal of existing floor slabs, backfilling, and grading.
  • Asbestos abatement Types I and II of parging, caulking and glazing compounds
The Ontario Line North Segment Project represents a significant step forward in Toronto’s infrastructure development. Tri-Phase Group successfully managed complex demolition and abatement tasks while prioritizing environmental and community safety. This project not only contributes to the city’s transit expansion but also sets a precedent for effective urban project execution in challenging conditions.