• Monitoring the Queen's Wharf bridge in Brisbane

Structural instruments monitoring at Queen’s Wharf, Brisbane

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Overview

Queen’s Wharf Brisbane is being delivered by Destination Brisbane Consortium (DBC). In conjunction with the Economic Development Queensland (EDQ), this area is set to become a multipurpose entertainment and hotel precinct in the Brisbane central business district. Geomotion as part of GLS Monitoring joint venture was tasked with creation of a new network for reporting of all existing and new instruments via Geomotion Cloud web based software for baselining and construction phases.

Several existing structures and heritage buildings were identified for detailed monitoring regimes to ensure data is collected that is feed into construction activities to ensure the safety and preservation of impacted structures. The Riverside Expressway is part of the Pacific Motorway that runs through Brisbane along the river and is passes adjacent the Queen’s Wharf development.

Geomotion Works

The maritime works for the Queen’s Wharf development will provide new public parkland on the river’s edge beyond the confines of the REX. To understand the movement of the pier, bridge and abutment structures, a robust and reliable unattended system was selected due to the challenging installation conditions which included heights, over water, and under bridge access.

The monitoring scope included the capture of vibration, joint movement, temperature, 3D movement, rotation and twist data. Collated data packages are sent to Geomotion Cloud for end users to view including instruments connected to Loadsensing data loggers and gateway as well as individual modems for each vibration monitor and total station that uses carrier networks.

A thorough approach at the planning and design phase helped to forecast and communicate the required works to stakeholders and navigate through complex stakeholder approvals, access requirements, site conditions and security concerns. The effective planning resulted in a successful installation, commissioning, operation and ongoing reporting of the tailored monitoring system under tight time constraints. Staged warning systems were implemented in line with detailed engineers specifications.

Working collaboratively with stakeholders, Geomotion was able to overcome a series of challenges to implement a monitoring system to an extremely high standard whilst also working to an escalated schedule.