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FACTS, FIGURES AND MILESTONES
The 6.8 kilometre CLEM7 is one of the largest infrastructure projects ever to be completed in Queensland.
RiverCity Motorway contracted the design and construction of the tunnel to the Leighton Contractors and Baulderstone Bilfinger Berger Joint Venture (LBB JV).
Construction of the $3 billion tollway commenced in September 2006 and was completed March 2010, 7 months ahead of schedule. The CLEM7 opened to traffic in the evening of Monday 15 March 2010, with over 1 million trips recorded in the first 3 weeks of toll-free operation.
| Major milestone | |
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Environmental Impact Statement issued
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February 2005
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Contract awarded to RiverCity Motorway
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April 2006
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RiverCity Motorway listed on the ASX
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August 2006
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Site establishment and tunnel preparation |
September 2006
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Start of Roadheader tunnelling
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February 2007
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Start of Tunnel Boring Machine (TBM) 1 (nicknamed Matilda)
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December 2007
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Start of TBM 2 (nicknamed Florence)
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March 2008
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TBMs excavate underneath Brisbane River
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September 2008
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Both TBMs break through at Kangaroo Point
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January 2009
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Completion of tunnelling
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May 2009
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First tunnel entrance canopy complete at Shafston Avenue
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August 2009
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Tollway Control Centre goes live
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December 2009
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CLEM7 Tunnel Run and Community Open Day
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February 2010
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CLEM7 opens to traffic
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March 2010
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Start of Tolling
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April 2010
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| Construction facts & figures | |
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Length of tollway
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6.8 kilometres
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Length of tunnel
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4.8 kilometre twin, 2-lane tunnels (or tubes)
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Lowest point
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60 metres under the Brisbane River
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Cross passages
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41 connecting the two tunnel tubes
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Rock to be excavated
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3.5 million tonnes
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Tunnel lining segments
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38,000
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Concrete used
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280,000 cubic metres
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Bridges
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18
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Staff
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Over 12,000 people
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| Tunnel boring machines: | |
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Cost
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A$50 million per machine
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Diameter
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12.4 metres
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Length
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261 metres
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Weight
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4,000 tonne
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Cutters
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78 tungsten carbide tipped 19 inch disc cutters
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Manufacturer
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Herrenknecht (Germany)
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Progress
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Up to 20 metres per day
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Crew
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22 people per shift
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Click here to see photos taken during construction.
Click here to see videos.
Rivercity Motorway Group of Companies
Rivercity Motorway Pty Limited (Administrators Appointed)
(Receivers and Managers Appointed) ACN 116 665 304
(Receivers and Managers Appointed) ACN 116 665 304