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PERMANENT WAY SOLUTIONS


Connecting London


Stuart Proctor, communications and new media manager at Topcon Europe Positioning B.V., describes the company’s involvement in the Crossrail project.


L


ondon as a location is one of the most popular destinations in


the world. Due to this the existing transportation networks have long been identifi ed as requiring a major overhaul to keep up with demand. The answer: Thameslink 2000 and Crossrail.


total stations to fulfi l the task.


Alastair Cruickshank, engineering survey manager at Morgan Sindall, commented: “We are very impressed with the Topcon MS05AX Total Stations. The build quality and performance


The Crossrail project will create a new railway line running from Maidenhead, west of London, with a connection at Heathrow Airport, diverging at Whitechapel and terminating at two eastern destinations, Shenfi eld and Abbey Wood.


This of course means that there is a requirement for extensive tunnelling to take place beneath the city itself. In fact around 42km of new tunnels will be constructed beneath central London. In addition, there will be eight new subterranean stations with links into London’s famous Underground network.


For the project to be successful, extensive monitoring of the works is required. Morgan Sindall, part of the BBMV partnership, tasked with the C510 contract construction works, selected 105qty Topcon MS05AX high precision robotic


is extremely impressive. The instruments always lock on to the correct prism to be measured, even in challenging environments such as tunnels where there may be several prisms in the fi eld of view of the instrument.


“The Matrix Detection function to automatically fi nd and measure prisms has also saved us a lot of time. We are positive that we made the right choice in choosing this innovative instrument from Topcon.”


Matrix Detection means the MS05AX is able to detect and locate all established prisms. Once located, the MS05AX then measures the prisms automatically, eliminating any sources of human error.


FOR MORE INFORMATION


To see these instruments in action contact Steve Cooper, Topcon GB T: 07775 676518


rail technology magazine Aug/Sep 12 | 55


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