The $8.3 billion Sydney Metro Northwest project, formerly known as the North West Rail Link, is a new rail line connecting Rouse Hill to Epping and includes delivery of eight new railway stations and 4000 commuter car parking spaces to Sydney’s growing north west. Trains will be driverless and run every four minutes in the peak. Customers won’t need a timetable, they will just turn up and go.

Scope of Work

A $340 million contract was awarded to the Impregilo Salini Joint Venture for the Surface and Viaduct works. This contract involved the building of the four-kilometre elevated skytrain structure between Bella Vista and Rouse Hill, including a 270 metre cable-stayed bridge over Windsor Road at Rouse Hill.

Arenco, with their parent company Daracon, was awarded the civil works component of the project that comprised 119 viaduct piers, 4 viaduct abutments, 3 overbridges, road works, excavation (120,000m³), RE walls (2,800m²), embankments (60,000m³), pavements (24,000m³), soil nails (21,200m), shotcrete (13,200m²), stormwater up to 1350mm diameter (2,600m), street lighting, CCTV, asphalt and line marking.  

Significant Achievements

A strong and committed site team was developed that was able to work alongside of and assist a foreign owned company through the whole project spectrum including design development, construction methodologies, quality control, safety systems and stakeholder liaison.

Over 575,000 hours worked with no lost time injuries.

No significant environmental issues on this large scale project.

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