Bennett Associates

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Channel Tunnel Rail Link Stage 2

 
   

The back up systems that kept the TBMs on schedule!

The final link between the Channel Tunnel and London is the 7.5 km of tunnel between Stratford and St Pancras (CTRL Stage 2).

The joint venture team of Nishimatsu/Cementation/Skanska was awarded the contract for this vital section, which involved the boring of two 8 metre diameter tunnels.

The joint venture elected to use 8.11 metre diameter, 1100 tonne Earth Pressure Balanced Boring Machines supplied by Kawasaki Heavy Industries.

Bennett Associates designed the back up systems for the Kawasaki machines.

The major challenge was to produce an integrated system between the propriety items and the bespoke segment handling equipment designed by Bennett Associates. This was successfully achieved with advance rates of 31 rings (46.5 metres) in 24 hours.

In fulfilment of their contract Bennett Associates provided:

Detailed manufacturing drawings.
Specifications of bought out equipment.
Design of lifting arrangements.
Engineering liaison with suppliers.

For more information, contact us on 01709-373782.


Related links:
.The Channel Tunnel Project
.Tunnel Boring Machines

 

 
Channel Tunnel Rail Link Stage 2 - Tunnel  Boring Machine backup
Channel Tunnel Rail Link Stage 2

Channel Tunnel Rail Link Stage 2 - Tunnel  Boring Machine backup
Channel Tunnel Rail Link Stage 2 - Tunnel  Boring Machine backup
Channel Tunnel Rail Link Stage 2 - Tunnel  Boring Machine backup
     
Channel Tunnel Rail Link Stage 2 - Tunnel  Boring Machine backup
     
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