The £4.5bn Thames Tideway Tunnel super sewer project has reached a milestone with the placement of a concrete lid on the Nine Elms site, the most central on the 25km project.
Back in 2018, the 30m wide and 50m deep shaft on Kirtling Street saw two tunnel boring machines (TBMs) lowered…
Improving UK infrastructure to drive economic growth and meet climate goals is both achievable and affordable – if the government makes the right policy decisions now, the National Infrastructure Commission (NIC) has said.
The government’s independent advisory body has released its second National Infrastructure Assessment – setting out a programme for…
Construction of a new integrated ticket hall at Elephant & Castle station has been completed to basement level five while preparation for new passenger tunnels is underway.
The London Underground station currently has two separate entrances to access the Bakerloo and Northern lines, which is inconvenient for passengers. The new integrated…
The government’s decision to re-phase High Speed 2’s (HS2’s) Euston terminus by two years has caused issues with London tunnelling including lost efficiencies, according to a chief engineer on the project.
In March the government confirmed that construction of HS2 Euston would be closed down for two years to save money.…
Tunnelling technology start-up hyperTunnel has signed a deal with engineering firm AmcoGiffen to use its systems in the UK rail sector.
Basingstoke-based hyperTunnel is looking to transform how tunnels and underground structures are built, repaired and maintained by using artificial intelligence (AI), machine learning and swarm robotics. This approach is designed…
A joint venture of CBNA and Halmar has been awarded a $819M (£671M) contract to design and build a major new sewer tunnel in Washington DC, USA.
As reported by NCE sister title Ground Engineering, the 8.9km long Potomac River Tunnel will control combined sewer overflows (CSOs) into the Potomac River,…
The Tideway project has taken another step towards completion, with the secondary lining finished in the super sewer's eastern section - the final section to be completed.
Tideway’s tunnel boring machines finished excavating the main tunnel in the spring of 2022, but the secondary concrete lining was need for added strength…
Australia's beleaguered Snowy 2.0 renewable energy scheme is heading to the halfway mark as excavation of its central 250m-long underground power station cavern gets underway.
Snowy 2.0 is being delivered by Future Generation (FGJV) – a joint venture between Webuild, Australian firm Clough and an American subsidiary of Webuild called Lane…
National Grid has celebrated a major milestone on its £1bn London Power Tunnels project with the breakthrough of a tunnel boring machine (TBM) marking the completion of the final drive for the 32.5km underground route.
TBM Grace broke through on Sunday 1 October having bored for over 11km between National Grid’s…
The estimated final cost (EFC) of London’s Silvertown Tunnel has increased by £2M and the opening date slipped back to Q2 of 2025-26, but Transport for London (TfL) is confident this can be clawed back.
There has been much progress on the new 1.4km twin-bore road tunnel beneath the Thames River…
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