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Third Crossrail tunnel boring machine launched

Construction of Crossrail’s eastern running tunnels got underway today with the launch of the project’s third tunnel boring machine (TBM).

The TBM – named Elizabeth – was lowered into the shaft at Limmo, alongside another TBM dubbed Victoria, last month but it has taken until today to get the machine ready to start on the 8.3km bore towards Farringdon.

The two TBMs will work in parallel towards Canary Wharf station box where both machines will undergo maintenance before restarting the construction towards Farringdon. The two TBMs are expected to complete the twin bores in late 2014.

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