Caissons, Shotcrete

A Design-Build Solution

The Scarborough Hospital was adding a new Critical Care Centre in the courtyard surrounded on all sides by existing hospital structures.

HC Matcon’s scope of work included:

excavation of the new building foundation on pad footings
permanent shotcrete underpinning system to support surrounding structures
soldier pile and lagging wall to support a pedestrian walkway adjacent to pad footings and service manholes
demolition of service tunnels while maintaining operation and maintenance access for emergency services and hydro caissons to support new canopies and additions to existing structures.

At various points during construction, HC Matcon has been required to provide innovative design-build solutions to accommodate changes to the original design.

Client: EllisDon
Location: Scarborough, Ontario

George Street Bridge

/ Caissons

George Street Bridge This bridge replacement project required the drilling of two abutments consisting of a total of 32 drilled caissons in the existing creek bed. In addition to the

Weston Tunnel Grade Separation

/ Soldier Piles & Lagging

Weston Tunnel Grade Separation HC Matcon achieved a significant milestone on the Weston Tunnel project, allowing for the GC to accelerate the schedule and make up for project delays. HCM

Dufferin Jog Elimination

/ Caissons, Micropiles

Dufferin Jog Elimination This project involved the extension of Duffering Street under an existing CN rail line and through the abutment wall of a century old CN bridge at Queen

Great Lakes Copper Plant

/ Shotcrete

Great Lakes Copper Plant The Great Lakes Copper Plant in London, Ontario, posed a technical challenge in shotcrete shoring. HC Matcon helped to facilitate the installation of a new copper

The Bow

/ Caissons, Shotcrete

The future Bow building, located in Calgary, Alberta Canada, is an innovation in both architectural and shoring design. At 58 stories and with a footprint of two city blocks, The

London Mental Health

/ Shotcrete

London Mental Health – Structural Shotcrete HC Matcon completed a 1,650ft2 structural shotcrete wall in just two days of shooting concrete. The wall had a depth of 0.450m thickness and

Scarborough Hospital