High Speed 2 (HS2) has celebrated the completion of tunnelling for its 16km twin-bore Chilterns tunnel as the second tunnel boring machine (TBM) broke through on 21 March.
The TBM Cecilia, operated by HS2 main works contractor Align (Bouygues, McAlpine, VolkerFitzpatrick), follows the breakthrough of its twin TBM Florence in February.…
High Speed 2’s (HS2’s) Chilterns tunnel boring machine (TBM) struggled through the final stretch of its 16km drive as slurry pipes became clogged with clay, officials told NCE.
The 2,000t TBM Florence, which is operated by HS2 main works contractor Align JV (Bouygues, McAlpine, VolkerFitzpatrick) concluded its two year and nine…
High Speed 2 (HS2) Ltd and its main works contractor Align JV (Bouygues, McAlpine, VolkerFitzpatrick) celebrated the completion of the first bore of the 16km Chilterns tunnel today, 27 February.
The 2,000t tunnel boring machine (TBM) Florence, manufactured by Herrenknecht, set off on its journey from the south portal alongside the…
Construction of the record-breaking Colne Valley Viaduct for the High Speed 2 (HS2) railway has been halted due to the need for “urgent remedial works”.
In a letter sent to local residents, seen by NCE, Align JV (Bouygues Travaux Publics, McAlpine, VolkerFitzpatrick), the contractor building the viaduct, announced the delay. It…
Two more sinkholes have opened up within five days of each other along the route of tunnelling for High Speed 2’s (HS2's) Chiltern tunnels.
The two sinkholes have appeared in a field adjacent to Frith Hill on the outskirts of South Heath, Buckinghamshire. HS2’s working assumption is that a combination of…
The two tunnel boring machines (TBMs) digging HS2's Chiltern tunnels have reached the Chesham Road intervention shaft, on track to complete their 16km journey under the Chilterns next year.
The 2,000t machines, named Florence and Cecilia, are now 90% of the way through their two-and-a-half-year drive between the M25 and South…
Network Rail and High Speed 2’s (HS2’s) Align JV are among the winners of NCE and Construction News’ annual 2023 TechFest Awards.
The inspirational winners of this year’s TechFest Awards were crowned in front of the industry last night, 23 November, at the Hilton London Bankside. The event, celebrating its sixth…
Residents around the paused High Speed 2 (HS2) London Euston work site are “frustrated and angry” while complaints about construction remain high across the whole of Phase One, according to the independent construction commissioner.
In his latest quarterly report into the construction of the high-speed rail line, HS2 independent construction commissioner…
Engineers working on the Colne Valley Viaduct for High Speed 2 (HS2) have now completed 1.7km of its record-breaking 3.4km length.
Once complete, the viaduct will be the longest rail bridge in the UK and carry HS2 trains from Hillingdon on the outskirts of London, over a series of roads and…
The two tunnel boring machines (TBMs) delivering the longest tunnels on the High Speed 2 (HS2) railway have passed the three quarters mark.
TBMs Florence and Cecilia have completed over 12km of the 16km Chiltern twin-bore tunnels, passing the fourth of five ventilation and emergency access shafts, 800m from the village…
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