ACCOLADES AND AWARDS
TBM guidance system wins award
Oct 2011
- A UK company that develops and manufactures electronic guidance systems for use on TBMs has been recognised with a Queen's Award for International Trade.
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HRH The Duke of Kent (centre) with Zed Sales Manager Colin Bent (right) and Project Engineer Mikael Simonssen
- HRH The Duke of Kent presented employees at UK-based Zed Tunnel Guidance with their accolade at a special ceremony at the company's factory in Walton-upon-Thames, Surrey, yesterday (Thursday October 20).
- Sales manager Colin Bent said: "We were excited and honoured to receive the Queen's Award for Enterprise for work over the last three years. The Duke of Kent visited our premises yesterday to make the award."
- Zed's technology is based on establishing a reference within a tunnel, typically with a laser, but also by infra-red laser technology called ATR (automatic target recognition) that has recently been developed by theodolite manufacturers. An optical transducer is mounted on the TBM to monitor the reference and with a dual axis inclinometer permits the machine's precise orientation to be measured.
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- A CPU linked to the transducers is uploaded with the designed alignment, survey data and other relevant positional information defining the TBM's geometry. After processing this information is available to the TBM operator.
- Zed has worked on many projects around the world including the massive Yellow River Project in China. ZED guidance systems have been used in all the Robbins TBMs working on that project.
- Record setting TBMs on Yellow River drives - TunnelTalk, Jan 2001
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