Eglinton Crosstown LRT

PROJECT DESCRIPTION

The Eglinton Crosstown Light Rail Transit (LRT) is a 19.7 km long transit system along Eglinton Avenue in Toronto.

The project consists of surface and tunneled sections. Construction started with twin tunnels being constructed from the east and west ends of the project.

INSITU’S INVOLVEMENT

INSITU’s involvement started in 2011 with the tunneling phase and continued into the station development phase of the project. INSITU completed the dewatering works at the following locations;

  • Launch Shaft 1 (Black Creek)
  • Launch Shaft 2 (Allan Road)
  • Launch Shaft 3 (Leslie St)
  • Exit Shaft 1 (Allan Road)
  • Inter Tunnel Cross Passages 1 – 6, 11-12
  • Emergency Exit Buildings, 1, 3
  • Tunneling machine interventions
  • Mount Dennis Station
  • Keelesdale Station
  • Peer review and system optimization at Oakwood, Avenue and Chaplin Station
  • Pump test at Laird Station
  • Massey Creek Overpass

PROJECT HIGHLIGHTS

  • Successful completion of technically challenging work including in tunnel work where angled wellpoints were required to be installed in tight spaces
  • Used Sonic drilling technology to provide efficient and fast well installation to minimize construction interference to traffic
  • Through our expertise and experience, reduce the number of wells required at several sites including a reduction for a proposed 45 well eductor system to 12 deep wells at Launch Shaft 2 (Allan Road). This saved the client several weeks on their construction schedule and lowered the sites power consumption for dewatering works by 75%.
  • Met all environmental discharge and Toronto Water requirements for discharge water quality

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