Avenue Station Construction Updates - November 7

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November 7, 2017

Mining Update

Mining operations at the Avenue Station Secondary Entrance begin this week. Mining occurs on a 24hr schedule.

  • Mining operations are completed under the roadway and the underground operations are facilitated through the station entrance sites.
  • Crews need to connect the Secondary Entrance site to the completed TBM tunnels before they can continue mining the cavern of the future underground platform. To do this, crews will mine southward from the Secondary Entrance site.
  • The first step to mining south is to build the support arch for this section. This involves breaking through the wall of the entrance site and installing horizontal steel tubes along the top of the area to be excavated – this is called the ‘umbrella’. Building the umbrella takes approximately 3 – 4 weeks on a 24hr schedule.


Construction Activities at Avenue Road and Eglinton

Construction activities outside the long-term set up continue to be active, and will for the coming months. Residents and businesses can expect to see the following daytime and nighttime work at various locations in the roadway or on the sidewalks between Braemar and Lascelles.
 

This Week at Avenue Station:

  • Tunnel Connection Bore Holes - Daytime Work
    • On Thursday and Friday, crews will complete the final portion of drilling to break through the completed TBM tunnels.
    • A work zone will be in place on the south side of Eglinton between Highbourne and Oriole Parkway. On street parking will not be available while this work zone is in place.
  • Sewer Bypass Work - Daytime Work
    • Trenching and bypass pipe installation continues east of Avenue Road (on the north side of Eglinton from Avenue to the Secondary Entrance site).
    • Some bypass pipes have been installed along the pedestrian fencing between Avenue Road and Oriole Parkway.
    • The temporary fencing west of Avenue Road on the north side of Eglinton is in place to house above ground sewer bypass pipes and pumps during the sewer lining. These fences will be in place until late-November.
    • The westbound bus stop at the pedestrian crossing is not in use while the fences are in place. Please use the stop at Castle Knock Road.
    • Sewer Lining is anticipated to begin next week, no sooner than November 13.
      • During this work, there will be lane occupancies on Eglinton Avenue between Braemar and Eastbourne. A minimum of one lane in each direction of traffic will be maintained. On-street parking between will be impacted during the works.
      • Temporary work zones will also be required on Avenue Road at Burnaby, on Oriole Parkway near Eglinton, and on Highbourne near Eglinton.
      • We will provide more information on the sequence of work once it is confirmed.
         
  • Dewatering Work - Overnight Work
    • This week there no overnight dewatering work.
    • Overnight dewatering work will resume next week for the final week of work and will be located between Oriole Parkway and Lascelles.
    • Work began in mid-October and takes a total of three weeks to complete. The three weeks of working days have been spread intermittently over the last month.
  • Dewatering Work - Daytime Work
    • The dewatering system will help remove ground water from the station area to help ensure stability as we complete mining operations underground.
    • Crews are located in Eglinton Park to complete trenching.
  • Monitoring Instruments (installations, surveying and monitoring) - Daytime Work
    • Monitoring instruments give information about soil conditions during construction operations. This is an ongoing program; instruments will be continuously checked throughout mining operations.
    • Crews are installing monitors west of Avenue Road on the south side of Eglinton and east of Avenue Road moving toward Lascelles Blvd.

Coming Soon:

  • Watermain lining is required in the vicinity of Avenue Station area. Details coming soon.
  • Gantry Crane will be installed at the Secondary Entrance site to support mining excavation. More details on crane installation to come.


Stay Informed

Sign up for e-mail updates at www.thecrosstown.ca/sign-up or download the aCrosstown traffic app to get real-time traffic and transit information for the Eglinton corridor.

Please Contact Us

If you would like more detail about this work or any other aspect of the Eglinton Crosstown project, please contact us at (416) 782-8118.