Search Results: 'Costain'

HS2 reveals contemporary design for Kilburn vent shaft
27 October, 2020
A strikingly contemporary design has been revealed by HS2 for its vent shaft headhouse and compound in South Kilburn, London. It is one of four that will provide ventilation and emergency access to the high-speed line’s 7.2km Euston tunnel.

Contract signed for first HS2 TBMs
09 October, 2020
HS2 Ltd has announced that main works civils contractor Skanska Costain Strabag JV has signed the contract for the first two tunnel boring machines (TBMs) for London’s HS2 tunnels. The tunnels will be twin bore, each 13 miles long and roughly the same length as the Crossrail tunnels.

Connecting HS2 at Euston
22 September, 2020
Work on the UK’s new HS2 high-speed rail line is on track. Emma Hale and Christoph Eberle of Mott MacDonald describe one of the line’s first underground structures to be built in London

Muck disposal on a grand scale
25 August, 2020
Tideway (the so-called ‘super sewer’) is the biggest water infrastructure project in Europe and aims to rid the River Thames of millions of tonnes of raw sewage inflows every year. Julian Champkin reports on the progress so far

Finally back on track
11 June, 2020
HS2 has at last been given the green light, following the notice to proceed which is enabling four joint ventures to finalise their designs. Julian Champkin reports

The Avon House Case
19 May, 2020
Paola De Pascali talked with Paul Perry, associate director of Hewson consulting Engineers, about the infamous case of Avon House at the Bond Street Station Upgrade (BSSU) project and how it represents an example of sensitive building, which required a detailed investigation and mitigation measures

Lifting from below
27 April, 2020
While the use of cranes underground may be limited, when they are used, specific adaptations are often required. Ian Vallely spoke to tunnelling experts about their requirements, and crane companies who’ve met these demands

Thames Tideway excavation halfway complete
21 February, 2020
Great Britain – London’s new ‘super sewer’ half excavated. The TBMs boring the Thames Tideway project are 12.5km through the 25km-long, 7m-diameter project. As well as the main tunnel, a 1km-long, 3m-diameter connection tunnel is also currently under construction in Wandsworth at the western end of the project.