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Parsons Weston Tunnel Project in Toronto reaches significant Milestone

Parsons announced that on December 15, 2014, the first Metrolinx GO Transit train traveled through the newly completed Weston Tunnel in Toronto (Ontario, Canada), marking the first time all train service is operating completely within the new Georgetown South rail corridor.

Parsons served as Metrolinx’s designer and engineer of record for the entire Weston Tunnel project, which included updating alignment design and new project structure designs, profile and track design with integration with live GO Weston Subdivision and CPR Mactier Subdivision rail traffic, structural and bridge engineering design, utilities and services design (including fibre optic cable relocations), grading design, civil works design, interdisciplinary coordination, drainage and storm water management system design, illumination design, and the realignment of local roads and railway/road crossing design.

“Parsons is pleased to have worked on the Weston Tunnel project in Toronto,” said Todd Wager, Parsons Group President. “This project marks an important milestone in the City of Toronto’s efforts to improve its transportation infrastructure.”

Parsons worked with the main contractor and Metrolinx on value engineering ideas, and the entire project team investigated and incorporated innovative design techniques – including a unique double-arch for the John Street Pedestrian Bridge conceived by architects and engineered by Parsons – and construction methods that kept the project on schedule. These innovations also helped to reduce costs and the complexity of the overall project.

Source: Parsons

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