London Super Sewer western tunnel drive completes

Aaron Morby 4 years ago
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The main tunnel drive for the first major section of the Thames Tideway sewer has been completed.

TBM Rachel will now be recovered from the Acton storm tank site
TBM Rachel will now be recovered from the Acton storm tank site

Giant tunnel boring machine Rachel has completed its gentle uphill 7km drive breaking into the shaft at Tideway’s site in Acton.

Three-way joint venture contractors, BAM Nuttall, Morgan Sindall and Balfour Beatty, lowered TBM Rachel 35m into the ground to begin tunnelling in May 2019 from Carnwarth Road in Fulham.

Working a total of nearly 1,100 shifts, around 200 staff have worked on the western section of the tunnel, with Tideway’s use of the river to remove 725,000 tonnes of spoil and bring in concrete segments keeping around 25,000 lorries off the road.

Neil Binns, Senior Project Manager, said: “Having broken through at Acton Storm Tanks, it’s easy to forget the time and effort that goes into making all this possible.

“From designing and manufacturing the TBM, to providing logistics support for its delivery by river, to the above-ground operation, as well as the skill of the tunnelling team – this is a fantastic achievement and a wonderful example of the teamwork required to clean up the River Thames.”

TBM Rachel was named after Rachel Parsons, who was the founding president of the Women’s Engineering Society and a former Fulham resident.

 

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