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Tunnelling has started on the Australian and Victorian governments’ North East Link Project in Melbourne’s northeast.
The first tunnel boring machine (TBM) is now digging the 6.5-kilometre tunnel between Watsonia and Bulleen – which will take 15,000 trucks off local roads and slash travel times by up to 35 minutes.
The TBM is the first of two massive machines that will dig up to 15 metres per day and up to 45 metres underground.
The 4,000 tonne machines will also install tunnel walls made of approximately 44,000 individual concrete segments made locally in Benalla.
More than 100 tunnel workers have undergone specialised training to work below ground, with the Victorian Tunnelling Centre at Holmesglen providing state-of-the-art training.
The tunnels will be built using 100 per cent renewable electricity.
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Dirt and rock from the tunnels will be re-used across the North East Link and other transport sites where possible – with a significant amount of dirt also helping rehabilitate a former quarry at Point Wilson and the former Orica site in Deer Park.
The two TBMs have been named Zelda and Gillian, to honour two ground-breaking Victorian women.
The late West Heidelberg resident Zelda D’Aprano AO was a renowned women’s rights activist who worked tirelessly to close the gender pay gap and established the Women’s Action Committee.
Dr Gillian Opie is a neonatal paediatrician at the Mercy Hospital for Women in Heidelberg and founded Australia’s first breast milk bank – providing sick and premature babies in Melbourne’s neonatal intensive care units with safe, screened and pasteurised milk.
More than 6,700 people are currently working across the project – which will create 12,000 jobs before completion in 2028.
At the 2024-25 Budget the Australian Government committed an additional $3.25 billion to the North East Link Project to make a total contribution of $5 billion, with the Victorian Government providing the remaining project funding.
Source: State Government of Victoria
