Search Results: 'McAlpine'

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

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.

Tunnelling passes 75% mark on HS2’s longest tunnels
08 August, 2023
The two TBMs digging HS2’s longest tunnels have reached the Little Missenden ventilation shaft, completing more than 75% of the 16km drive under the Chilterns.

Conservation body seeks reassurance following HS2 sinkhole
18 May, 2023
The Chilterns Conservation Board (CCB) says it has warned for many years that the unstable nature of fractured chalk meant HS2 tunnelling operations might lead to long-term permanent damage in the area.

Hole appears above HS2 Chiltern Tunnel
15 May, 2023
Investigations are under way after a surface hole appeared above an HS2 tunnel in Buckinghamshire on Saturday.

HS2 reveals design for last key structure for Chiltern Tunnel
23 March, 2023
HS2 has revealed the final designs for the North Portal of the Chiltern Tunnel – the last of seven key structures for the high-speed rail project’s underground stretch.

HS2 TBMs pass Amersham shaft
03 March, 2023
The two TBMs digging HS2’s longest tunnels have completed more than half of their 16.1km drive.

TBMs reach halfway on HS2’s longest tunnels
02 February, 2023
The two TBMs excavating HS2’s longest tunnels have passed the halfway point on their 16km journey under the Chilterns.

Taking steps to speed forward
23 January, 2023
Herrenknecht has won a major award for its new TBM continuous tunnelling system, has other advanced systems in operation, and is also developing automation for segment production

HS2 partners with Build UK for Open Doors 2023
11 January, 2023
HS2 is partnering with Build UK, an organisation representing more than 40% of the UK construction industry, to support the Open Doors 2023 programme.