Eurotunnel monitoring engineers examine and discuss work in progress in the service tunnel on the Channel Tunnel project.
All major construction projects have teams of monitoring engineers employed by the client to observe and report back on the construction work as it progresses. This way, problems can be discussed with the contractor and an agreed solution can be implemented whilst the work is still being carried out. Which saves time and money. The Channel Tunnel is no ordinary project. The four types of cross-channel service that the Tunnel offers - conventional freight and passenger trains, plus two types of road vehicle shuttle have made it into the busiest railway in the world. The fast and efficient movement of road and rail traffic into, through and out of the Eurotunnel system is integral to that success. The Channel Tunnel is one of the wonders of the modern world. It is thirty-two miles long at an average depth of 45 metres below the sea-bed, the longest undersea tunnel and the second longest rail tunnel in the world (only the Seikan Tunnel in Japan is longer). It was built between 1987 and 1994 by Anglo-French consortium TransManche Link and is owned and operated by Anglo-French Eurotunnel plc. It opened for business in late 1994, offering services including a shuttle train for car, coach and freight vehicles, a Eurostar high-speed passenger service linking London with Paris and Brussels and a rail freight service. The tunnel boring machines were specially designed for excavating the chalk marl rock which lies beneath the seabed along the tunnel route. Digging the tunnel took 15 thousand workers around 170 million man-hours over 7 years with tunnelling happening simultaneously from both ends. The Channel Tunnel consists of three parallel tunnels.
Size: 3330px × 3329px
Location: 40m under seabed between UK and France, Europe
Photo credit: © qaphotos.com / Alamy / Afripics
License: Licensed
Model Released: No
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