Skip to content

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 the excavation for a new retaining wall at the Eglinton LRT project. The 14m (45’) high slope was approximately halfway excavated for a permanent block retaining wall when it a sudden slip failure occurred creating concern for the adjacent properties. RWH designed a slope retention system with soil nails and shotcrete facing to remediate the slope and allow for continued excavation. Using a TEI drill mounted on an excavator, HCM was able to reach the top of slope to install soil nails.  Shotcrete was applied by a nozzleman in an elevated work platform. Once the exposed portion of the failed slope was stabilized, excavation was able to resume and HCM continued installing additional lifts of anchors and shotcrete to the base of the finished slope for a total protected area of 1250m2 (13,500 SF).

HCM and RWH provided an efficient solution, adapting the slope protection design to assist with the durability of the permanent retaining wall. Real-time design changes were made onsite to accommodate additional area required after installation had already commenced, enabling the original retaining wall construction to resume as fast as possible. 

 

Location: Toronto, ON

Customer: Metrolinx

LRT Slope Protection at Retaining Wall
LRT Slope Protection at Retaining Wall

Talbot Street

/
Talbot Street HCM completed the design-build shoring for the Azure condominium project in downtown London. Due to the soil conditions encountered during initial drilling, a full depth caisson wall was
Read More

University of Ottawa STEM Complex

/
University of Ottawa STEM Complex HCM installed a 36,000 SF shoring system for the new STEM Complex at the University of Ottawa. To reduce the shoring schedule during the harsh
Read More
Slope Remediation

Slope Remediation

/
Slope Remediation HCM and RWH Engineering provided a design build solution to remediate a failing slope at a project located in Western Ontario. Prior to HCM’s involvement, the site was excavated 7m into a
Read More
St. Joseph's Healthcare Redevelopment Project

St. Joseph’s Healthcare Redevelopment Project

/ , ,
Unique Soil Conditions The future location for this tower is located immediately adjacent to the emergency wing of the existing St. Joseph’s hospital in Hamilton, Ontario. HCM is a recognized
Read More
Smith Residence

Smith Residence

/ ,
Toronto’s First Permanent Soil Nail Wall This project involved a hillside lot and a high end home in Toronto. The installation was the first permanent soil nail wall used in
Read More

8 Ida Street

/
8 Ida Street HC Matcon was retained to install panel underpinning for a custom home built by Laureden Inc. in 2007 in one of Markham’s prestigious neighbourhoods.  Due to lack
Read More