Sage Condominiums: Phase II

Bypass Shotcrete

Project Description

The Sage Condominium in Waterloo required an innovative shoring system that could facilitate a 10 meter foundation depth while working within encroachment restrictions. HCM implemented a soldier pile and shotcrete shoring system which utilized a single row of highly loaded rakers, designed by RWH Engineering Inc. (RWH). The use of bypass shotcrete over a traditional caisson wall system advanced the schedule as vertical drilling time was significantly reduced, allowing for excavation to commence earlier. The shotcrete lagging has the same advantages as a caisson wall, eliminating the concern of wood rot when using traditional timber lagging, while requiring less concrete and reducing the environmental footprint of the project.
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