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Melbourne Northern ‎Sewerage Project
Australia, Melbourne
2008 – 2010

Melbourne is the second-largest city in Australia with approx. four million inhabitants. To increase the capacity of the municipal sewage systems in the northern suburbs, "Melbourne Water" and "Yarra Valley Water" started the "Northern Sewerage Project (NSP)". The project not only took into account urban growth, but also the protection of nearby rivers against wastewater contaminations after heavy rains.

The centerpiece of the NSP includes two tunnels with a total length of 12.5 kilometers that were driven simultaneously. In 2008 Herrenknecht delivered two EPB Shields for the construction of the first section. After best monthly performances of up to 436 meters, the machines achieved breakthrough in 2009 and 2010. On their underground journey, they mastered heterogeneous ground conditions comprising loam and basalt with rock strengths of up to 200MPa, a groundwater pressure of two bar as well as a trouble-free crossing  beneath the busy Tullamarine Highway. To reduce the construction noise in the densely populated suburb, the launch shafts have been equipped with noise protection structures.

Northern Sewerage Project Melbourne

Data Sheet

Country, Location

Australia, Melbourne

Year

2008 – 2010

Application

Sewage

Geology

Rock
Sandstone, gravel, sand, ‎basalt

Tunnelling length

7,790 m

Machine Data

1x EPB Shield:
Diameter: 3,000 mm
Lining method: Segmental lining
Cutterhead power: 400 kW
Torque: 1,200 kNm

1x EPB Shield:
Diameter: 4,000 mm
Lining method: Segmental lining
Cutterhead power: 800 kW
Torque: 1,600 kNm

Your contact person Contact us

Jack Brockway President and CEO Herrenknecht Tunnelling Systems USA Inc.
Gerhard Goisser COO Herrenknecht Tunnelling Systems USA, Inc.