Above: Deep’s design/build of this massive pile (including 67 m3 of concrete and 12,000 kg of steel)
created a higher value product for its client. With fewer structural members across the main entrance
of the station, the team improved access for excavation and construction of the permanent structure.
The Eglinton LRT, a light rail transit line being constructed
from Kennedy Station to Mount Dennis (Weston Road) in
Toronto, is the largest transit infrastructure project currently
in progress in North America. As the foundation contractor
for the majority of the underground stations, the Deep team
continually faces geotechnical and logistical challenges on
the project that require some of the most sophisticated tech-niques
ever employed in Canada.
According to Deep project manager Matt Byford, “The
Crosstown Light Rail Project is part of Toronto’s ‘Big Move,’
stretching 19 km and including 25 stations – 15 of which
are underground. We are responsible for the design and
GREAT CANADIAN PROJECTS
installation of shoring and decking at eight of those under-ground
PHOTOS: DEEP FOUNDATIONS CONTRACTORS
stations, including Leaside. This is the largest portion
undertaken by any shoring subcontractor.”
Two years and counting
The Deep team began work on Leaside Station in December
2016. The scope of work at Leaside includes a 9,200-square-metre
secant shoring system; 2,000 square metres of traffic
decking spanning Eglinton (approximately 20 metres); seven
1,320-mm-diameter, 50-metre king piles, eight 1,000-mm-diameter,
50-metre crane base caissons to support two tower
cranes and temporary utility support under the deck. To
A view of the site from
late November 2017
PILING CANADA 61