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Final TBM launched for HS2 Northolt Tunnel
10 April, 2024
The fourth, and final, TBM for HS2’s Northolt Tunnel beneath London, has been launched.

Tideway underground construction complete
29 March, 2024
Underground construction of London’s Tideway sewer has been completed with the lifting of a 1,200-tonne lid to cap off the project’s deepest shaft.

UK Power Networks and Barhale build tunnel to power HS2 construction to Euston
25 March, 2024
UK Power Networks has partnered with Barhale to build a micro-tunnel under the Grand Union Canal in West London to deliver power for HS2.

Final breakthrough made on HS2’s longest tunnel
22 March, 2024
Excavation of HS2’s longest tunnel was completed yesterday when the second TBM broke through.

Robert Mair – Interview
28 February, 2024
Few in the tunnelling world are known to the general public, fewer still are profiled in a broadcast programme such as on BBC’s prestigious ‘The Life Scientific’ on Radio Four. In fact, only one has been accorded that mark of public recognition and interest – Robert Mair, Emeritus Professor of Civil Engineering at Cambridge University, and recent Master of Jesus College there, and is past-President of the Institution of Civil Engineers.

HS2 launches third TBM in London
26 February, 2024
HS2’s London Tunnels contractor, Skanska Costain Strabag (SCS) joint venture, has launched a third TBM.

TBM breaks through on HS2’s London logistics tunnel
24 January, 2024
The TBM building HS2’s Atlas Road Logistics Tunnel has broken through at Old Oak Common station – marking a key milestone in plans to eventually carry the high-speed railway into central London.

Crossrail learning legacy – ongoing impact
29 December, 2023
The knowledge pool from Crossrail will live on for education on project development and execution, including tunnel excavation and underground station construction works, after Transport for London this year decided to keep the online library of the project (now the Elizabeth line) free and available

HS2’s longest tunnel 90% complete
20 December, 2023
Tunnelling on HS2’s longest tunnel is on track to be completed next year.

HS2 tunnel blessed on World Tunnelling Day
05 December, 2023
HS2 marked World Tunnelling Day yesterday with a blessing on the site of the next set of tunnels to be bored by two TBMs under London.

Tideway dismantles shed after five years’ tunnelling
01 December, 2023
An acoustic shed built to enable the construction of part of London’s Tideway is being dismantled after years of tunnelling work in Greenwich.

ITA Tunnelling Awards winners revealed
27 November, 2023
The winners of this year’s ITA Tunnelling Awards were revealed on Friday.

Inspired outreach to youth
27 November, 2023
BTSYM’s collaboration with two training bodies recently gave school students some insight into working in the underground space sector. Report by Sandeep Singh Nirmal

Bob Ibell – Interview
27 November, 2023
Bob Ibell is a known and respected name is tunnelling. He has had major roles on the Tyne and Wear Metro, Piccadilly Line Extension to Heathrow T4, the Channel Tunnel, the Jubilee Line Extension and the Channel Tunnel Rail Link’s (CTRL, or High Speed 1 (HS1)) London Tunnels. He is a Past Chair of the BTS, winner of the James Clark Medal, delivered the Sir Harold Harding Memorial lecture, taught construction management on the MSc course at the University of Warwick, and a founder member of the tunnelling consultancy London Bridge Associates (LBA). He spoke to Julian Champkin

Half of HS2 Chiltern Tunnel cross-passage mining complete
23 November, 2023
Mining has been completed on half of the cross-passages for HS2’s longest tunnels.

STUVA 2023
27 October, 2023
The STUVA conference takes place in Munich in early November and promises a packed programme with varied discussions plus a busy exhibition

Joint Technical Event - Geopolymer Concrete in Tunnelling and other applications: Developments in ultra-low carbon concrete
24 October, 2023
Event Date: Thursday 9th November 2023 at 18:00 hrs

Secondary lining completed on Tideway
06 October, 2023
London’s new super sewer, Thames Tideway, is one step closer to being delivered following the completion of the final section of secondary lining.

Tunnelling completed on London Power Tunnels
03 October, 2023
National Grid’s £1bn (US$1.2bn) London Power Tunnels (LPT) project has achieved a major milestone with its final tunnelling breakthrough at Eltham substation in Greenwich, south-east London.

Stronger for the Next 50 Years
26 September, 2023
To help deliver on the ambitious agenda that got him elected barely 12 months ago, ITA President Arnold Dix has had a whirlwind year of near non-stop global travel. As promised to the organisation’s gathering on the occasion of the World Tunnel Congress (WTC), in September 2022, in Copenhagen, Dix planned to act fast and relentlessly in pursuit of the mission that got him elected, unopposed. Since then, he has built momentum for speedy delivery, barely stopping on the way. Here, he outlines for T&T readers what has been achieved so far and what is coming next