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

Sarcee Trail

/ Micropiles

Sarcee Trail The foundation of an existing residential apartment building in Southwest Calgary was compromised and required remedial measures to be completed. RWH designed a micropile underpinning system based on

Alloa Feedermain

/ Caissons

Alloa Feedermain This project involved installation of 3 watertight caisson wall shafts. Two rectangular secant pile wall shaft approx 12m deep and one 6m diameter compression ring shaft approx 7m

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

Eglinton LRT – Cedarvale Station SEM and SOE

/ Shotcrete

Eglinton LRT – Cedarvale Station SEM and SOE The Eglinton LRT Cedarvale Station required the new structure to pass below the existing TTC subway below grade. HC Matcon Inc. (HCM)

Upper House Condominiums

/ Caissons, Soldier Piles & Lagging

Upper House Condominiums HCM completed the shoring for the eight storey Upper House Condominium project which required a 12m deep excavation for two levels of underground parking. A tied-back shoring

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