Champlain Bridge Deconstruction Project

Rank 2021

98

Industry Sector: Transportation

Project Type: Bridge

Project Value: $400 million

Funding Source: Public

Federal Funding: $400 million

Province: Quebec

Estimated End Date of Substantial Completion: 2025

The Champlain Bridge (also known as Pont Champlain) was a steel truss cantilever bridge with viaducts constructed of prestressed concrete beams. It crosses the Saint Lawrence River, connecting the Island of Montreal to its South Shore suburbs. Opened in 1962, the structure was degraded by de-icing salt. In 2015, construction began downstream on a replacement bridge designed to handle higher volumes of traffic. The replacement bridge opened on July 1, 2019, and the old Champlain Bridge was closed to traffic. The deconstruction project of the bridge will consist of three methods: The deconstruction of the shoreline sections will be carried out from jetties set up along the river using standard equipment (excavators and cranes); work from the river, which will be required for over 65 per cent of the project, will be done with a system of platforms attached to high-capacity lifting towers installed on a catamaran barge; work on the steel structure over the Seaway will begin in the fall and winter of 2021-2022. First, the 2,200-ton suspended span will be removed and lowered onto a barge using strand jacks. Nouvel Horizon Saint-Laurent G.P. was named as the preferred proponent for the project in March 2020.

Project Owner: Jacques Cartier and Champlain Bridges Incorporated (JCCBI)

Engineer: PTA – Parsons, TeraTech, Wood (owner’s engineer); McElhanney (consulting)

Contractor: Nouvel Horizon St-Laurent GP: Pomerleau, Delsan AIM Environmental Services Inc. •Design: Universal Structures Inc. Engineer: American Bridge Company, SNC-Lavalin, T.Y.Lin International Group, Harbourside, ARUP •

Project/Construction Manager: CCF (Consortium CIMA+, FNX Innov)

Other Key Players: Aon (risk advisor); EY (management consultant)

Supplier Other: Canam Group

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