Search Results: 'Hochtief'

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.

Extending Access Possibilities
26 September, 2023
Preassembled, needing only a small footprint and able to self-extend during shaft sinking as well as remain for permanent use afterward, XL Industries’ XE5 mechanised access lift system has worked on some major tunnel projects

Geopolymer concrete in tunnelling
24 July, 2023
At the monthly BTS meeting at the Institution of Civil Engineers, in London, in March 2023, John Day, Chief Technical Officer of Wagners EFC Pty Ltd, Charles Allen, Director of OTB Concrete, and Richard Sutherden, Engineering Director with Murphy for the HMJV (Hochtief- Murphy Joint Venture) provided perspectives on the use and future potential of geopolymer concretes, and the Earth Friendly Concrete in particular, in underground applications

National Grid completes record pour of cement-free concrete
11 May, 2023
National Grid and its contractor Hochtief-Murphy Joint Venture (HMJV) have completed the world’s largest continuous pour of Earth Friendly Concrete at London Power Tunnels.

Calgary appoints BTC as Green Line development partner
05 May, 2023
Canada and Hochtief subsidiary Flatiron Constructors Canada, has been selected as the development partner to deliver Phase One of Calgary’s Green Line LRT project.

Penultimate breakthrough on London Power Tunnels
28 April, 2023
The Hochtief-Murphy JV achieved the fourth breakthrough on Phase 2 of the London Power Tunnels (LPT) project this week.

Challenges and successes
27 March, 2023
A brief snapshot sample of large and small utility tunnelling challenges and successes across the globe over recent months

London Power Tunnels completes first underwater breakthrough
14 March, 2023
A TBM working on National Grid’s London Power Tunnels (LPT) has completed its drive in a flooded shaft in south-east London.

National Grid seeks planning approval for Wiltshire tunnel
06 March, 2023
National Grid plans to replace 4.6km of overhead electricity line and 13 pylons with underground cable in Wiltshire.