High Speed 2s Chiltern tunnels run through permeable chalk requiring extensive ground treatment. https://www.geplus.co.uk/features/grouting-building-connections-between-the-hs2-chiltern-tunnels-12-12-2023/

A 90-strong specialist team has assembled the 1,600 tonne machine set to build the second bore of Bromford Tunnel The majority of the TBM is re-used from Long Itchington Wood Tunnel’s TBM ‘Dorothy’ A team of 90...

Today (Monday 4th December), the site of the next set of tunnels to be bored by two tunnel boring machines (TBMs) due to build HS2’s tunnels under the capital were blessed by a local priest, on the day celebrating the Patron Saint of...

A second sinkhole has formed along the route of High Speed 2's Chiltern tunnels, after Align JV's tunnel engineers were warned of a potential dissolution feature in...

https://www.youtube.com/watch?v=DB3OkeHxX8k Deep under the Chilterns, HS2 finishes mining 19 out of 38 underground connections between the northbound and southbound tunnels The construction of HS2’s longest tunnels - stretching for...

Job Introduction Skillset: Tunnelling/TBM/Engineering Job location: Northolt Tunnels West Accessible by public transport? Yes (West Ruislip). Working hours: Initially mon-fri Day Shift, shift pattern during TBM operation to be...

Job Introduction Flexible working: We welcome you to ask about the flexibility you need. This might be part-time, remote working, or compressed hours for example. Anyone who applies for a role can ask about flexibility at interview. In return, we...

Job Introduction Tunnel Agent - Reports to Tunnel Construction Manager. Flexible working: We welcome you to ask about the flexibility you need. This might be part-time, remote working, or compressed hours for example. Anyone who applies for a...

https://www.youtube.com/watch?v=-kOknlXK5bU First 1,700-tonne machine has been lifted in parts down into a shaft. Major components of the first machine due to launch have now been lifted into the 25 metre deep ancillary shaft at the HS2 site...

Sadiq Khan has said lessons learned from the Crossrail project could help the government deliver HS2 in its...

https://www.bbc.com/news/uk-england-london-67056858

HS2 is using the rail network to move materials for construction, reducing impact on Britain’s roads HS2’s move to using rail for the delivery of tunnel ring segments to the West Ruislip Portal site in Hillingdon has removed one...

A new exhibition that showcases the hugely ambitious tunnels being constructed as part of the new HS2 line has been unveiled at Birmingham's award-winning science museum, Thinktank. The temporary exhibit, curated by HS2’s...

The Environment Agengy inquiry did not show any pollution. The 20ft (6m) wide, 16ft (5m) deep crater opened in the ground above part of the Chiltern tunnel near Little Missenden, Buckinghamshire, in...

An opinion, The loss of a national asset that would have aided ‘levelling up’ shows how little Rishi Sunak is really committed to...

The governments decision to re-phase High Speed 2s (HS2s) Euston terminus by two years has caused issues with London tunnelling including lost efficiencies, according to a chief engineer on the...

https://www.ft.com/content/34355227-b73f-4d27-9ba9-9b2a05a9355b

Former Bank of England chief economist branded decision a ‘big mistake’ https://inews.co.uk/news/politics/scrapping-hs2-a-body-blow-to-the-north-says-governments-own-levelling-up-tsar-2681123

A third of HS2 tunnelling between London and the West Midlands is now complete. https://www.independent.co.uk/business/hs2-railway-line-key-numbers-b2423758.html

Engineers want to set up giant oven at HS2 boring sites to create calcined clay mix for use in foundations and platforms https://www.theguardian.com/uk-news/2023/oct/12/how-hs2-waste-clay-could-be-conjured-into-concrete-to-cut-emissions