CLEM7 will connect Bowen Hills in the north to Woolloongabba in the south
Facts and figures
Tunnel
| Length |
4.8 kilometre twin, two-lane tunnels |
| Rock to be excavated |
3.5 million tonnes |
| Tunnel lining segments |
38,000 |
| Concrete |
280,000 cubic metres
|
Tunnel Boring Machines
| Cost |
A$50 million per machine |
| Diameter |
12.4 metres |
| Length |
253 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 |
Bridges
| Number of bridges |
18 |
| Number of beams |
350 Super T bridge beams |
| Length of beams |
25 kilometres if placed end-to-end |
| Number of decks |
1,100 |
| Biggest beam |
39 metres long and weighs 75 tonne |