HS2 launches first giant TBM in London

https://www.constructionnews.co.uk/hs2/hs2-launches-first-giant-tbm-in-london-07-10-2022/
HS2 has fired up its first giant tunnel boring machine (TBM) in London. The 2,000-tonne piece of equipment, known as Sushila, was launched in Hillingdon on 6 October and will bore five miles towards Greenford in west London. Sushila will work on a 24-hour basis…
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