City of Toronto
The Coxwell Bypass Tunnel is a landmark project under Toronto’s Wet Weather Flow Master Plan, aimed at eliminating combined sewer overflows into Lake Ontario. The project entailed constructing five work shafts, 12 drop shafts, and 10.5 km of 6.3 m diameter tunnel, excavated through shale and lined with precast concrete segments.
City of Toronto
Toronto, ON
2024
$447 million
Design-Bid-Build
