11.91m across, making it the largest diameter TBM in the UK.
https://www.geplus.co.uk/news/silvertown-tunnel-giant-tbm-cutter-head-lowered-into-place-04-08-2022/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.geplus.co.uk/news/silvertown-tunnel-giant-tbm-cutter-head-lowered-into-place-04-08-2022/
Silvertown Tunnel: Giant TBM cutterhead lowered into place | Ground Engineering (GE)
www.geplus.co.ukThe TBM weighs 1,800t and measures 11.91m across, making it the largest diameter TBM in the UK. The recent milestone comes after the Riverlinx