Wayss & Freytag wins major contract in Germany
- Publishing Date
- 27 Jan 2012 1:52pm GMT
- Author
- World Tunnelling
TBM-driven tunnels Other tunnelling methods
German tunnel specialist Wayss & Freytag, owned by Netherlands-based Royal BAM Group, has been awarded a US$553 million contract in Germany for the construction of a 35km wastewater tunnel.
Varying in diameter between 1.6m and 2.8m, the tunnel will convey wastewater from Dortmund to a water purification plant near Bottrop, and will run parallel to the River Emscher – a small tributary of the Rhine.
The project is part of the large-scale modernisation of the Emschergenossenschaft wastewater system, a water management scheme which aims to de-pollute the Emscher – now nothing more than an open sewer. Construction of the tunnel will start this year and is expected to take five years.
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