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…
Latest Tunnels News
Silvertown Tunnel cost sees £2M spike as opening slips further
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…
WSP picked to turn secret London tunnels into £220M attraction
WSP has been picked to undertake engineering surveys and consultancy work for a new £220M museum and tourist attraction using former cold war and World War II tunnels underneath central London.
The tunnels have been bought by a consortium called London Tunnels Ltd, led by Australian banker and former Maquarie chief…
£14.6M extraction of trapped micro-TBM in Toronto begins
After 18 months of setbacks crews have finally freed part of a micro tunnel boring machine (TBM) that became trapped in underground infrastructure while constructing a storm sewer in Toronto, Canada.
NCE sister title Ground Engineering reports that last Friday (22 September) the head section of the micro-TBM was successfully extracted…
Fehmarnbelt | Basins filled in preparation to ship 73,000t precast elements for immersed tunnel
Filling of the basins at the tunnel factory for the Fehmarnbelt link between Denmark and Germany has commenced in preparation for shipping the 73,000t precast elements into position.
The 18km Fehmarnbelt tunnel will be the world’s longest immersed tunnel and the world’s longest underwater road and rail tunnel when complete. The…
West of England mayor sparks row by ruling out possibility of Bristol underground
Bristol City mayor and the West of England metro mayor have had a disagreement over whether a new mass transit system for Bristol will include underground elements.
A West of England Combined Authority (WECA) draft report, leaked to Bristol Live, recommended the scheme go forward but metro mayor Dan Norris has…
Second sewer tunnel under A65 in Yorkshire completed
The second length of sewer tunnelling under the A65 in Ilkley, West Yorkshire, has been completed by contractor Ward & Burke for Yorkshire Water.
It is part Yorkshire Water’s project to build a new sewer in the town to reduce storm overflows into the River Wharfe. Ward & Burke, working together…
Final breakthrough on 56km Stuttgart tunneling marathon after 10 years
A joint venture of local contractors Zublin and Max Bögl has made the final breakthrough on the mammoth Stuttgart 21 tunneling project, which has featured eight tunnels totalling 56km.
The consortium completed boring of a €500M (£430M) section of the line connecting the southern German city to its airport and nearby…
Shortlist for 2023 NCE Graduate and Apprentice Awards announced
The judges for this year’s NCE Graduate & Apprentice Awards have carefully reviewed the 118 entries and the shortlist for the three categories has been revealed.
This year will be the 26th edition of the awards, which are celebrating the talent of those early in their careers in the civil engineering sector.…
1.7km of tunnel boring completed for Severn Trent’s £25M Stroud sewerage project
Severn Trent has reached a milestone in its £25M project to lay new sewer pipes in Gloucestershire with contractor Galliford Try completing 1.7km of tunnels.
Four TBMs were used to excavate the tunnels and also lay the brand new sewer pipes in Stroud. All four machines were named by the local…