Applus+ has been engaged in implementing geotechnical instrumentation and monitoring to control and mitigate the risks of settlements and movements that could arise during the construction phase of the Broadway Subway Project, a major infrastructure project to expand the Vancouver metro in Canada.
Our geotechnical services aim to reduce risks and offer real-time and accurate information for rapid decision-making in the event of project deviations or contingencies.
Applus+ has provided an automated geotechnical control system that simplifies project management with minimal workforce involvement, thereby reducing the associated risks of movement within the project. Additionally, it has supplied real-time information to our client to aid in project management and prevent potential damage to third parties.
Geotechnical instrumentation was installed and automated using well-defined work procedures, along with a geographic database capable of storing readings, generating reports, and managing a warning service through continuous alarm notifications for detecting movements and settlements to minimize risks. This approach enhances both the project's security and legal protection against potential claims from third parties.
Geotechnical engineers and project managers were key contributors during the initial planning and design phases, while field technicians, IT specialists, and maintenance staff were vital for the installation and monitoring phases.
Our geotechnical solutions in this project include:
The geotechnical monitoring instruments used to ensure an automated control system included, among other technologies, the Applus+ Infrastructure Monitoring Tool, SIGTUN, a proprietary real-time data management and alarm system. Other geotechnical monitoring instrumentation and methods used are:
This project is vital to Vancouver's sustainable development, offering a more efficient, accessible, and eco-friendly transit option along a significant urban artery. It includes a 5.7-kilometer extension of the Millennium Line, mostly underground, with six new stations along Broadway. Future expansion to UBC is anticipated, aiming to ease congestion, enhance public transportation access, and reduce travel times.
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