Clem 7

FACTS, FIGURES AND MILESTONES

The 6.8 kilometre CLEM7 is one of the largest infrastructure projects ever to be completed in Queensland.

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  
Environmental Impact Statement issued
 February 2005
Contract awarded to RiverCity Motorway
 April 2006

Site establishment and tunnel preparation

September 2006
Start of Roadheader tunnelling
February 2007
Start of Tunnel Boring Machine (TBM) 1 (nicknamed Matilda)
December 2007
Start of TBM 2 (nicknamed Florence)
March 2008
TBMs excavate underneath Brisbane River
September 2008
Both TBMs break through at Kangaroo Point
January 2009
Completion of tunnelling
May 2009
First tunnel entrance canopy complete at Shafston Avenue
August 2009
Tollway Control Centre goes live
December 2009
CLEM7 Tunnel Run and Community Open Day
February 2010
CLEM7 opens to traffic
March 2010
Start of Tolling
April 2010
Queensland Motorways takes over operation and management of the CLEM7 December 2013

 

Construction facts & figures  
Length of tollway
6.8 kilometres
Length of tunnel
4.8 kilometre twin, 2-lane tunnels (or tubes)
Lowest point
60 metres under the Brisbane River
Cross passages
41 connecting the two tunnel tubes
Rock to be excavated
 3.5 million tonnes
Tunnel lining segments
38,000
Concrete used
280,000 cubic metres
Bridges
18
Staff
Over 12,000 people

 

Tunnel boring machines:  
Cost
A$50 million per machine 
Diameter
12.4 metres
Length  
261 metres
Weight
4,000 tonne
Cutters
78 tungsten carbide tipped 19 inch disc cutters
Manufacturer
Herrenknecht (Germany)
Progress
Up to 20 metres per day
Crew                          
22 people per shift

 

Click here to see photos taken during construction.

Click here to see videos.

 

  • Queensland Motorways
  • Clem 7
  • Flow Toll
The Project T Partnership ABN 722 79487 220,
a member of the Queensland Motorways Group