Align JV: 2 of 3

 Keltbray has secured an extension to its current C1 Shaft contract to provide construction services for the next two ventilation shafts along HS2’s two tunnel drives through the Chiltern Hills
INFRASTRUCTURE

Keltbray's HS2 contract extended

Contract extension for Keltbray on UK's HS2 high-speed rail project

15 December 2021

 Socotec monitoring ground movement underneath one of the busiest sections of the M25 motorway as tunnelling work began on the HS2 rail link
INFRASTRUCTURE

Socotec Monitoring completes tunnel monitoring on the M25 for HS2 C1 project

HS2 tunnels outside of London stay safe thanks to monitoring by Socotec

05 October 2021

 The view from within the first mile of the HS2 Chiltern tunnels looking south towards London
INFRASTRUCTURE

Tunnel progress as HS2 completes first mile under the Chilterns

First mile of HS2 tunnels completed under Chiltern Hills on UK infrastructure project

30 September 2021

 The design for the final shaft headhouse on the Chiltern rail tunnel has been revealed by HS2
INFRASTRUCTURE

HS2 reveals designs for final Chiltern tunnel headhouse

Final shaft headhouse design for use on HS2 Chiltern tunnel revealed

03 September 2021

 A 120t drilling rig was used to excavate the walls of the first ventilation shaft for the tunnels that make up part of the HS2 high-speed rail link in the UK
INFRASTRUCTURE

Excavation begins for HS2's first 'barn design' tunnel vent shaft

Work begins on ventilation shafts for tunnels which form part of HS2 rail project

04 August 2021

 An aerial view of HS2’s TBM Cecilia as it begins work on a 10-mile long tunnel under the Chiltern Hills, outside of London
INFRASTRUCTURE

HS2 launches Cecilia - its second TBM

UK's high-speed rail link contractor launches second giant TBM close to London

21 July 2021

 Florence, the first of 10 TMB hat will work on the UK’s HS2 high-speed rail network, being launched from the South Portal site next to the M25 motorway in Buckinghamshire
INFRASTRUCTURE

HS2 launches first TBM at site close to London

First of 10 TBM to be used on UK's HS2 rail project launches near London

13 May 2021

 Work has begun to install almost 300 piles needed to support the Colne Valley Viaduct, which will form part of the UK’s HS2 high-speed rail network
INFRASTRUCTURE

HS2 begins work on UK's longest rail viaduct

Piling work has started for the Colne Valley Viaduct, a key part of the UK's HS2 rail link

16 March 2021

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