Transcity Joint Venture - Legacy Way Projec
TBM Disassembly
Another crafty solution Transcity developed during construction was an alternative way to move the spoil from tunnelling . Originally the company was going to build an overland conveyor to send material to an existing bank of a nearby quarry , which Brisbane City Council owns and operates . The crew developed a better idea however – better than running the spoil above ground through the Botanic Gardens , creating noise and environmental issues .
Instead , the team built an underground tunnel from the
worksite to the quarry and conveyed all of the materials produced by the tunnel boring machines ( TBMs ) and stockpiled it there .
The TBMs were an issue as well . Because of the restrictive space , Transcity had to get creative with how the TBMs were brought to site . Instead of bringing the fully-formed machine to the site , the TBMs were assembled at the west end of construction in a 75-metre long open trough structure . Overhead was a large craneage system that assisted with the build process .
There was a lot less space at the
282 September 2014