Temporary Project Components
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Permanent Project Components
Anticipated construction activities will include:
- Dredging to prepare the river
- Constructing temporary roads and bridges to access the laydown areas
- Excavating to build the casting basin and approaches
- Pile driving and installing stone columns to stabilize the ground and river bed
Preparing for a Complex Project
A number of programs were completed to advance Project design, understand the area the Project would be constructed in, and identify ways to manage impacts from the construction.
Test dredge: We dredged a small section of the Fraser River to confirm sediment and water flow, density of the salt wedge, and the stability of the tunnel foundation.
Geothermal investigation: We studied upland and in-river geology to inform design, construction methodology and materials management.
Marine navigation simulation: We organized a virtual simulation to ensure we can successfully manage river traffic and operations throughout construction, including safe use of detours during river closures.
Monthly hydrotechnical surveys: We have ongoing surveys to study river flows, including sediment build-up rates.