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

TTC Wilson Complex Modification

/ Micropiles, Shotcrete, Soldier Piles & Lagging, Underpinning

Engineering Solutions The Toronto Transit Commission will be purchasing all new subway cars in the near future, creating the requirement of larger maintenance carhouses. The original contract drawings employed caisson

Centron Business Park Retaining Wall

/ Caissons

Steep Slope Retaining Wall The site topography presented the developer with the challenging task of constructing a permanent retaining wall structure into a hill formation near Blackfoot Trail in southeast

LRT Slope Protection at Retaining Wall

/ Shotcrete

LRT Slope Protection at Retaining Wall HC Matcon (HCM) and RWH Engineering (RWH) reacted quickly after being contacted to provide a design-build solution for a slope failure that occurred during

TTC St. Clair Station

/ Caissons

Two new elevators on the east and west sides of St. Clair station were installed to allow easier access for disabled persons. During construction, HC Matcon was confronted withsome interesting

144 Park Street

/ Shotcrete

144 Park Street During the bidding process, HCM proposed an innovative design-build shoring solution for the 144 Park Street project, a 19 storey condominium in the downtown core of Waterloo.

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

Scarborough Hospital