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Eglinton Crosstown LRT โ€“ Site Supervision

Detailed 24/7 supervision and engineering support for three SEM stations in soft ground; namely Laird, Avenue and Oakwood.
Estimated cost: Commencement:
November 01, 2015
Completion date:
December 01, 2021
97 Front Street West
Toronto, ON M5J1E6
Technical data:
Geology description:

Glacial depositional systems created a complex distribution of heavily overconsolidated till layers, separated by interstadial stratified deposits of glaciolacustrine clay, silt, and sand.

Geology types:
Bid cost: Final cost:
$8.25 billion CAD
Service areas:
Construction methods:
Tunneling under:

The Crosstown is a light rail transit line, which is part of the regional transportation plan for the Greater Toronto and Hamilton Area. The project will provide a 19km corridor across Eglinton Avenue, connecting ten stops and 15 underground stations with a 10km twin-bored tunnel. Dr. G. Sauer & Partners provided detailed design for Laird, Avenue and Oakwood stations. A combination of Cut-and-Cover construction for the shafts and mined technique (SEM) for the tunnels has been utilised. The 24/7 supersvision services provided engineering support, detailed inspection and documentation by a team of eperts for each of the three stations.

Route map (
Laird Station Excavation