Melbourne Metro early works

Challenge

The $10.9 billion Melbourne Metro Tunnel will deliver twin nine-kilometre tunnels and five new underground stations at Arden, Parkville, CBD North, CBD South & Domain. The Metro Tunnel Early Works package includes:

• The relocation of power, drainage, gas, water, sewer and telecommunications services to clear the alignment prior to the Main Works commencing in 2018.
• The construction of two access shafts in Franklin Street & A’Beckett Street to enable future construction of the stations.
• Major site preparation works including land clearing, property demolition, temporary relocation of monuments & tree protection & removal across all precincts.

Solution

Our team undertook the following:

• Prediction & monitoring of construction activities against the project’s environmental performance requirements
• Identification of key impacts to the specific needs of stakeholders
• Assisting the project as the technical specialist advisor during stakeholder & regulator consultation
• Evaluate & recommend practical & cost effective mitigation measures
• Noise, vibration, air quality predictions & impact assessment of all early works activities in all seven precincts
• Building dynamics testing
• Comprehensive construction noise & vibration monitoring programme
• Monitoring, data analysis & interpretation
• Complaint investigation
• Mitigation design and advice
• Stakeholder meetings & expert representation
• Noise expert secondment to construction team.

Impact

• Developed & coordinated a comprehensive remote monitoring system
• Developed a unique modelling methodology that is both technically comprehensive and flexible to provide efficient examination of construction options
• Facilitated the successful delivery of a highly complex and fluid construction programme within the framework of challenging environmental performance requirements.