CN Railway commissioned Western to replace three railway bridge spans over the Ottawa River. A Goldhofer trailer (SPMT) was used to transport the 900,000 lb spans, which were then moved to the site via specially designed railcars and a Western overhead gantry equipped with strandjacks. The new spans include elements designed to mitigate the noise associated with… Read more »
Western Structural Engineering Projects
Mechanical was hired by CN Rail to complete a railway bridge replacement for three spans over the Ottawa River in Montreal, by means of PST (SPMT) equipment and a specialized overhead gantry. Three bridge spans were replaced over a two week period to minimize train schedule disruption. And here is a time lapse video of… Read more »
Western Mechanical’s Millwright Division developed a unique, new method of Rapid Bridge Replacement for railroad bridges. By “launching” each bridge span using an overhead gantry crane system, Western was able to replace each span on a bridge in Montmagny, Quebec in less than 3.5 hours. Western’s method introduces tremendous cost savings compared to alternative installation… Read more »
As the GO Transit infrastructure continues to grow in Ontario, Western is a regular contributor to rapid installations of pedestrian tunnels under busy railway lines. A typical installation of a tunnel involves assembling the precast concrete tunnels adjacent to live railway track. In this assembly area, the tunnel can be prestressed and waterproofed beforehand. Once… Read more »
Western was able to replace the centre three spans of the railroad bridge in Trois Pistoles, Quebec by developing a new method of bridge launching. Western’s method, which utilizes a specially design gantry crane, allows tremendous cost savings compared to alternative installation methods. The speed of the method allows Western to replace bridge spans within… Read more »
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 »
Installation of CPCI 2300 girders over the Rouge River and Little Rouge River Bridges for the widening of Hwy 407 in Markham, Ontario.
The Dundas St. Bridge consists of five – 200ft. spans approximately 150ft. above 16 Mile Creek in Oakville, Ontario. While installing the second phase of this twin bridge, Western adopted a new method of installing the precast concrete girders, allowing for less equipment on site and a more economical approach to the project overall.
For the GO Transit’s Lakeshore West corridor (West Toronto, Ontario), track time has become more precious than ever as it handles more than 60,000 commuters every working day. With increasing ridership, GO transit planned to add a third track to the corridor. A potential bottleneck to the expansion was the Credit River Bridge, but Western… Read more »
Western worked with the City of Burlington, CN Rail and other contractors to complete one of the largest ever bridge hydraulic jacking projects in Canada. The bridge in question weighed approximately 5 million pounds and was installed over a Thanksgiving weekend with minimal disruption to train and roadway traffic. In order to reduce friction forces… Read more »