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‘Annabell’ arrives at Legacy Way to start tunnelling

15 May, 2012

Lord Mayor Graham Quirk today welcomed key pieces of ‘Annabell’, the first of the two enormous tunnel boring machines (TBMs), to Legacy Way’s western worksite.

During the past two nights, three oversized semi-trailers and several escort vehicles delivered Annabell’s main drive, weighing 182 tonnes, six metres in diameter and the largest single piece of the TBM to Legacy Way.

Cr Quirk said the TBM pieces were transported from a site at Hemmant via the Gateway, Logan and Centenary Motorways and the Western Freeway and its arrival signalled the next phase for the project, with the TBMs being used to excavate twin tunnels from Toowong to Kelvin Grove.

“Over the next three months the TBMs will be assembled on site to begin tunnelling the 4.6 kilometres under Brisbane’s western suburbs that will cut travel times by almost half,” he said.

“More than 90 oversized semi-trailers will be required to take all of the pieces to the tunnel portal at Toowong from Hemmant. From there, they will be lifted by the shed’s overhead travelling cranes and placed in their final locations ready for assembly.

“It’s now just over a year since work began on Legacy Way and it is one of the biggest economic projects in town and will generate $10.5 billion in flow-on benefits across the city.

“Legacy Way will complete the missing link of motorway standard road between the Western Freeway and the Inner City Bypass allowing motorists to avoid seven sets of traffic lights.”

Annabell will be joined by a second TBM named Joyce in coming months, with both machines expected to complete their tunnelling journey in late 2013, when the machines will be disassembled and removed. Construction of Legacy Way is due for completion by the end of 2014.

The TBMs have been named to acknowledge both our war heroes and the ongoing support of Legacy, with one cent from each toll to the organisation for the first five years.

Annabell is named after Annabell MacKinney, the daughter of the late Lance Corporal Jared MacKinney who was killed in action in Afghanistan in 2010. Joyce recognises Joyce Tweddell, a World War II nurse who showed immense courage after being held as a prisoner of war in Sumatra for three years before going on to become Queensland’s chief radiographer.

When complete, the 4.6 kilometre road tunnel will link the Western Freeway at Toowong with the Inner City Bypass (ICB) at Kelvin Grove and reduce travel times in peak hour traffic from the Centenary Bridge to the ICB by up to 44%.

Cr Quirk again acknowledged the Federal Labor Government’s support for the project through $500 million in funding under the nation building program.

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