2. Need
 They have to build this tunnel because the
roads of Brisbane were started to get too
crowded. People weren’t reaching to their
destination on time.
 Affect the emergency services
 People get frustrated

3. What is Clem7 Tunnel
 Clem7 tunnel is the longest underground tunnel in whole
Australia. Brisbane’s Clem Jones Tunnel (CLEM7) is a
faster, safer, more reliable choice for significant time
savings in cross-city travel.
 Clem 7 Tunnel is 6.8 km long. It links five major Brisbane
roads including the Pacific motorway, Ipswich road,
Lutwyche road, Inner city bypass and Shavston Avenue at
Kangaroo point. The Clem 7 consists of two separate
tunnels with one each dedicated for north-and-south
bound traffic. The main tunnels were excavated by two
massive tunnel boring machines that were more than
260m long and 12.4m in diameter.

4. Amazing Project
 Clem7 was the biggest & first under river project
 The cost to build the whole tunnel was 3.2 billion dollars.
 11 000 workers involved
 Cost of hiring 2 boring machines from Germany was $50
mn each
 John llet was the architect of Clem 7.
 This tunnel connects Woolloongabba, Kangaroo point
and to Bowen Hills.
 Started on September 2006 & finished 18th March 2010

5. Construction Facts & Figures
 Length of tollway - 6.8km
 Length of tunnel - 4.8km
 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 CBM

7. The Exhaust Towers
 Constructed two exhaust towers
 One at the North side and the other one to
the south.
 People in the tunnel need oxygen to breathe.
 Exhaust towers send oxygen in the tunnel.

9. Named Clem7
 As Brisbane’s longest serving Lord Mayor, Clem Jones oversaw
the city’s growth from a sleepy country town to a vibrant sub-
tropical metropolis during his time in office from 1961 to 1975.
 A great advocate of progress, Clem Jones was responsible for
Brisbane’s first town plan and established much-needed
infrastructure such as sewerage, water and sealed road networks.
He built new roads and developed city gardens, sporting fields and
swimming pools.
 Clem Jones passed away in 2007, aged 89.That’s why it has a 7 at
the end of Clem7. In recognition of his enormous contribution to
making Brisbane the great place it is today,

10. Clem
Jones