Taringa Rail Infrastructure Monitoring

Land Solution Australia were approached by the Principal Contractor in collaboration with Queensland Rail to provide infrastructure monitoring of a nearby construction of a mixed-use development site, adjoining the rail line and station infrastructure on the Ipswich line.

Seen as one of the main conduit transport lines to the Central Business District of Brisbane, the Queensland Railway Station opened in June 1875.  The Railway Station and electric rail lines are pivotal to the daily commute of workers and visitors between Ipswich and Brisbane.  Therefore, the importance of maintaining ongoing real-time infrastructure monitoring during construction next to the Railway Station was paramount.

Our innovation

Land Solution Australia seamlessly supplemented the automatic readings with regular manual readings.

Measurement analysis was provided through a graphical web portal, allowing users to view and access data as required. Both the automatic readings and manual readings could be viewed together in the same graph, allowing for ease of analysis and alarming despite the readings coming from different sources.

The portal gave users the opportunity for detailed analysis; the data could be selected over date ranges and sensors can be logically grouped for easy analysis, as required by the project. The monitoring data was accessible using smart phones and tablets, or desktop computers as needed.

Recommendation of a smart solution

Infrastructure Monitoring

In conjunction with all stakeholders, it was initially anticipated that the monitoring system would operate for an eight-week period while the basement excavation was completed on the development site adjoining to the Railway Station. With the low degree of excavation proposed, the required monitoring was prescribed as weekly observations.

The initial infrastructure monitoring system offered a semi-manual setup of the instrument for completion of robotic measurement rounds, as a means of minimising setup costs.

Monitoring prisms were fixed to the rail foot/webbing at set intervals through the required site length. Using the latest Monitoring Apps onboard our survey controller, field times were optimised to rapidly observe and adjust the precise position measurements of the rail.  The measurement data was collected and analysed before being communicated to all reporting stakeholders.

Alerting criteria and procedures were designed to coincide with QR’s Civil Engineering Track Standards specifications.

Adaptable Solution

 Shortly after commencement, the geology encountered through excavation onsite showed that much more forceful excavation techniques would be required, triggering a higher level of monitoring on the rail infrastructure.

Land Solution Australia were able to re-assess and readily implement an automated system, providing around the clock monitoring over an extended period of heavy excavation.

The Senior Surveyor and Geotechnical and Monitoring Project Manager completed a pre-install inspection and laser scan survey to qualify the numerous constraints for a suitable automated Total Station install. Land Solution Australia provided two pillar location options to support the increased monitoring of the railway tracks.

Premium service delivery

To ensure the integrity of this vital infrastructure, Land Solution Australia worked closely with the Principal Contractor to constantly monitor during the hammering and heavy works onsite.

Land Solution Australia provided regular reporting up to the completion of excavation, keeping the Principal Contractor up-to-date with a detailed analysis of how the rails were performing in relation to the Civil Engineering Track Standards.