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Specialist applications
Trying something different
Over the years we have done many projects that were out of the ordinary.
- tunnelling under the main runway at Mexico City Airport - while the jumbo jets were landing on it.
- driving a microtunnelling machine through the wall of an underground car park and onto a waiting trailer.
- designing a hydraulic rig to eject a 70-tonne Unclemole off the end of an outfall pipe under the Mediterranean Sea.
Pipe roof method
This technique has been used many times to install short wide tunnels, such as pedestrian subways, by installing multiple linked pipes side-by-side to create a support structure, and then excavating the ground away underneath. Pipe Roof Method Datasheet (pdf file)
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Iseki Microtunnelling (a division of Specialist Plant Associates Limited), Hinwick, UK © 2009 Specialist Plant Associates Limited