As the main hub for Transport for NSW’s suburban and regional train services, the redevelopment of Central Station is pivotal to the new Sydney Metro network. Construction partners, Laing O’Rourke, needed a solution that allowed their team to adopt a new method of modularised construction – which required lifting large pre-cast architectural columns and heavy pre-assembled structural steelwork – in a confined, live rail environment.
With restricted space and the need to de-risk rail possessions, the requirement was for a crane with a small footprint and heavy lift capacity to meet the heavy lift requirements of the project whilst also servicing general construction needs.
Our solution used a M1680D installed on a purpose-built steel grillage to complete the heavy lift requirements of the project including lifting 60-tonne prefabricated roof trusses and skylight modules from laydown into place on the new concourse roof structure.
Marr’s solution has allowed Laing O’Rourke to construct the roof using their preferred methodology, which in turn has resulted in them delivering the roof installation ahead of schedule.
After working with Marr’s team on the successful delivery of the Sydney Yard Access Bridge (SYAB) to facilitate heavy vehicle access to Central Station, Laing O’Rourke was keen to explore how a similar heavy lift craneage solution could be adopted on construction of the new above and below ground works for the Central Station Metro.
With the M1680D also used to complete the lighter lifts associated with general construction activities as well as supporting the excavation works and lifting of large earth moving equipment, it has met the varied scope of lifting requirements and eliminated the need to use a range of difference sized cranes which would have presented another set of challenges in such a confined space.
Marr’s engagement on the project was completed in January 2021. Central Walk and the new escalators from Platforms 12 to 23 will be open in late 2022, with the new metro platforms to become operational once Sydney Metro City & Southwest services begin in 2024.
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