Niagara Tunnel Boring Machine Removal (Big Becky)

Niagara Falls Tunnel Arch Form

The largest hard-rock Tunnel Boring Machine (TBM) in the world, ‘Big Becky,’ completed drilling a 14.4m (47.4ft) diameter tunnel 10.2 kilometers long under the city of Niagara Falls. The Niagara Tunnel will provide the electrical need of 160,000 homes by adding 1600 gigawatt-hours of power per year to the Sir Adam Beck Generating Station. Western… Read more »

Hwy 407-404 Interchange: Bridge Expansion

Highway 404-407 Girder Lift Project

The 407 ETR (Electronic Toll Route) just north of Toronto, Ontario is the world’s first all-electronic, barrier-free toll highway. The 407 continues to improve the highway for the daily commute of hundreds of thousands of drivers. Western played a key role in the 407 bridge expansion over Highway 404. This expansion presented unique challenges as… Read more »