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Construction News
25/07/2012
Construction Of New Docklands Tunnel Shafts Near Completion
Significant progress continues to be made at Crossrail's major tunnelling site in east London ahead of work commencing on the eastern tunnels between Docklands and central London.
Workers have now reached the temporary bottom of the two huge launch shafts where tunnel boring machines will be lowered into ahead of tunnelling commencing. The larger of the two shafts is 30 metres in diameter and will be 44 metres deep when completed. Construction has now commenced on two mined tunnels that will connect the two shafts.
Assembly of Crossrail's third tunnel boring machine (TBM), Elizabeth, is now well underway. The large blue cutterhead was installed earlier this week with the TBM now visible from the Docklands Light Railway. During the coming months, the 150 metre machine will be fully assembled and tested before being lowered in sections into the two shafts.
Over 250 people are now working at the Limmo Peninsula site with that number expected to peak at around 500 people at the height of construction.
Crossrail's eastern tunnels will run for 8.3km (5.16 miles) from Docklands to Farringdon where they will join with the western tunnels from Paddington. When complete, Crossrail will transform rail transport in east London with areas such as Whitechapel, Ilford and Romford gaining direct links to the capital’s major employment areas.
Ahead of tunnelling, Crossrail has been working hard to limit the impact on local communities. Construction of a new jetty began this week at Instone Wharf and will enable excavated material to be transported by ship rather than road, removing 30,000 lorries from east London roads. Around 1.2 million tonnes of excavated material will be transported by boat.
Construction of a 100 x 9 metre muck pit has also begun this week. The pit will store excavated material when the tide is too low or there is no ship at the jetty.
Crossrail's Eastern Tunnels Project Manager Peter Main said: "We are now gearing up for the start of Crossrail tunnelling in east London. Work to construct two large launch shafts is now complete with assembly of the first of our tunnel boring machines now well underway. We understand how critical it is to limit the impact of Crossrail's construction on local communities and have planned to transport the excavated material from the eastern tunnels by boat from Instone Wharf, removing the need for more than 30,000 lorry journeys in east London. We will also deliver 120,000 concrete tunnel segments by boat from Chatham Dockyard to further reduce our local impact."
(CD)
Workers have now reached the temporary bottom of the two huge launch shafts where tunnel boring machines will be lowered into ahead of tunnelling commencing. The larger of the two shafts is 30 metres in diameter and will be 44 metres deep when completed. Construction has now commenced on two mined tunnels that will connect the two shafts.
Assembly of Crossrail's third tunnel boring machine (TBM), Elizabeth, is now well underway. The large blue cutterhead was installed earlier this week with the TBM now visible from the Docklands Light Railway. During the coming months, the 150 metre machine will be fully assembled and tested before being lowered in sections into the two shafts.
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Over 250 people are now working at the Limmo Peninsula site with that number expected to peak at around 500 people at the height of construction.
Crossrail's eastern tunnels will run for 8.3km (5.16 miles) from Docklands to Farringdon where they will join with the western tunnels from Paddington. When complete, Crossrail will transform rail transport in east London with areas such as Whitechapel, Ilford and Romford gaining direct links to the capital’s major employment areas.
Ahead of tunnelling, Crossrail has been working hard to limit the impact on local communities. Construction of a new jetty began this week at Instone Wharf and will enable excavated material to be transported by ship rather than road, removing 30,000 lorries from east London roads. Around 1.2 million tonnes of excavated material will be transported by boat.
Construction of a 100 x 9 metre muck pit has also begun this week. The pit will store excavated material when the tide is too low or there is no ship at the jetty.
Crossrail's Eastern Tunnels Project Manager Peter Main said: "We are now gearing up for the start of Crossrail tunnelling in east London. Work to construct two large launch shafts is now complete with assembly of the first of our tunnel boring machines now well underway. We understand how critical it is to limit the impact of Crossrail's construction on local communities and have planned to transport the excavated material from the eastern tunnels by boat from Instone Wharf, removing the need for more than 30,000 lorry journeys in east London. We will also deliver 120,000 concrete tunnel segments by boat from Chatham Dockyard to further reduce our local impact."
(CD)
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