Search Results: 'Southern Water'

Capital metro expansion
14 December, 2010
In a race against the clock, contractors on the Delhi Metro have had to go ‘all guns blazing’ to make the tight deadlines laid down by the client. Jon Young spoke with Pawan Bhasin of contracting joint venture ITD (Ital-Thai Development)-ITD Cementation about the experiences on contract BC 24

Ground conditions delay Lake Mead
09 December, 2010

Gotthard – first of the 21st century tunnels
06 December, 2010
Gotthard’s progress has been dictated by complex geology and the limits of rock tunnel technology as well as social and political issues before and during construction

Deep down and squeezed tight at Sedrun
06 December, 2010
South African gold mine shafts, German coal seams, World War U-boat construction and Swiss mountain railways all helped on the difficult Sedrun section

First breakthrough on Brighton sewer project
03 December, 2010

Straight down the middle
29 November, 2010
When a major city that is still growing is bound by water on three sides traffic congestion seems inevitable. In the case of San Francisco even a widespread public transport system of many types has not been able to hold off the need for more route investment. The Central Subway to Downtown and Chinatown is the latest project to aid those wishing to reach the centre of San Francisco by filling a gap in the network. Maurice Jones reports

Rushing ahead in Toronto
29 November, 2010
Expansion of the Toronto subway system is progressing rapidly as lessons learned from previous extensions propel the network forward. Bernadette Redfern reports

A city steeped in history breaks new ground
19 October, 2010
Constructing an underground rail connection for the European and Asian sides of Istanbul will improve traffic and environmental conditions in the city, once completed. Along the way, contractor Taisei and joint venture partners are employing NATM, TBM, immersed tube and cut and cover excavation methods to build the Bosphorus Crossing, Nicole Robinson reports

Robbins to supply Slurry TBM for subsea tunnel
22 September, 2010

Brighton’s sewer upgrade
22 September, 2010
The largest tunnelling project currently underway in the UK got going earlier this year. Two TBMs will drive four tunnel lengths on top of two pipe-jacked sections. Kris Mole gives this report from site

Britain’s got tunnels
15 September, 2010
With water projects underway, the industry has Crossrail on the brain and for good reason, it sets the tone for the future of tunnelling in the UK, reports Nicole Robinson

Vegas tunnel delayed
06 September, 2010

West Ham Flood Alleviation Scheme
26 July, 2010
For the May 2010 meeting of the British Tunnelling Society Steve Lousley of Southern Water, John Sweetnam of Aecom and Andrew Morgan and Tony Parsons of Costain made a presentation on the West Ham Flood Alleviation Scheme in London

The Gotthard Base Tunnel and Sedrun
11 June, 2010
At the March meeting of the British Tunnelling Society Hans Bartschat and Michael Gutzeit of Bilfinger Berger’s Tunnelling Division reviewed the new Gotthard Base Tunnel project, and in particular, the Sedrun section of what will be the longest transport tunnel in the world.

Beneath the barrier
10 June, 2010
The St Petersburg Flood Barrier is the largest and most complex flood protection project in the world including six sluice complexes, a road tunnel, a movable bridge, 23km of dams, a six-lane highway and two closable openings for shipping traffic. Garry Whitaker of Halcrow reports

Securing the Gotthard Road Tunnel against salts
10 June, 2010
Salt water and concrete form a potentially lethal cocktail. When the salt is washed off winter roads and seeps into the pores of tunnel roofs and walls, danger lies ahead: dissolved chlorides in the water attack the steel inside the concrete. In this report, edited from that supplied by Wacker Chemie, action to protect the Gotthard road tunnel against is problem is described.

Hallandsas first drive approaches end
02 June, 2010
Construction of the Hallandsas railway tunnels in western Sweden has often been described as the most difficult tunnelling project in the world. Many readers would probably want to argue that point but there is no disputing how tricky it has been over the 18 years since construction began. Now, however the Vinci-Skanska contracting joint venture is making steady progress. Maurice Jones reports

Lake Mead TBM unveiled
24 May, 2010

Devil’s Slide diversion drive
23 March, 2010
A bypass tunnel on the scenic California coast is well advanced to avoid the Devil’s Slide landslide area on the famous scenic Highway One route, reports Adrian Greeman

Mexico’s Urban Chall
23 March, 2010
Giant Robbins EPB Assembled in Mexico City’s Downtown Federal District is home to the first ever jobsite assembly of an EPB TBM. Robbins technical writer Desiree Willis reports