UPDATED: Dewatering System at Avenue Station

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May 16, 2017


UPDATED: Dewatering System at Avenue Station

                                             Original issue date: April 17, 2017        Re-Issue date: May 15, 2017


The term “dewatering” means pumping from the ground water at a site where there will be excavation.  At Eglinton Avenue West and Avenue Road, dozens of small wells will be drilled around the entire station box where excavation will be taking place. The volume of soil that requires dewatering is significant.  72 wells will be drilled approximately every 10 metres and shallow trenches will be required to lay the pipes, pumps, wells and valves to do the work.  The drills installing the wells and the trenches for the piping will encircle the station box.  

What to expect/Hours of Work

  • Works will commence as soon as May 22, 2017*
  • Drilling and trenching will occur between 7:00 a.m. to 11 p.m.
  • Equipment will remain in place after the rig has finished for the day. This approach will expedite the work and ensure it continues to move around the zone efficiently
  • The entire installation will take approximately five months
  • Equipment is expected to change position approximately every 3 days

Avenue dewatering zone

* Timelines are subject to change due to weather and unforeseen circumstances.

Traffic and Pedestrian Impacts

  • Pedestrian access will be maintained at all times
  • Lane reductions will be in place on Eglinton Avenue West in the vicinity of the construction zone
  • Some on-street parking spaces will be impacted.
  • Any work required in Eglinton Park will be coordinated with appropriate authorities

Drill rig on sidewalk

Well installation drill rig.


Sidewalk trenching

The process of trenching.

For more information about this work, please contact:

Carlos Hernandez at 416-782-8118 or crosstown@metrolinx.com 

Thank you for your patience as we work to build this important project.

Please support your local businesses during construction.


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