Search Results: 'Hitachi'

The 2010 Harding Lecture (Part 1)
01 December, 2010
British Tunnelling Society, Harding Lecture, 15th April 2010

A sinking success in Istanbul
19 October, 2010
Conceptual design drawings, dating back to Turkey’s Ottoman Period, show ambitious plans for a tunnel immersed under the Bosphorus Strait in Istanbul. It may have been a pipe dream back then, but that is no longer the case. Nicole Robinson visits the immersed tunnel of the Marmaray Project

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

So San Francisco doesn’t go thirsty
05 August, 2010
Like most infrastructure in the San Francisco area, the Crystal Springs By-pass Pipeline can be affected by seismic activity, so the risk assessment of its design, safety and functionality has to take this into consideration. It was decided that the risk, from landslide damage to the pipeline in particular, was too high to rely on the original structure, so an alternative by-pass tunnel was decided upon as just one, but a vital, part of the Water Supply Improvement Progam (WSIP) undertaken by the San Francisco Public Utilities Commission (SFPUC). Maurice Jones reports on its completion.

Marmaray TBMs still in stop-go
12 February, 2009

Crossing the Bosphorus and beyond
05 June, 2008
Daniel Horgan and Douglas Madsen of Parsons Brinckerhoff presented a review of the Bosphorus Crossing project at the March meeting of the British Tunnelling Society

...as first TBMs advance
26 June, 2007

Forward thinking in Bangkok
18 April, 2006
T&TI editor, Tris Thomas travelled to Thailand to find out how contractor See Sang Karn Yotah [1979] Co. Ltd. constructed 17.5km of tunnel with multiple curves in just over a year

One down, three to go
31 October, 2005

First of five Thai tunnels finished
05 May, 2005

Handling tight curves in Bangkok
01 May, 2004
Robert Moncrieff, project manager with JV leader See Sang Karn Yotah, describes the construction of a recently commissioned 13.7km long water tunnel using four EPBMs under Bangkok's busy streets

Triumph for Thai water tunnel
01 December, 2003

Tunnelling starts on Providence CSO
02 April, 2003

Japan to Russia rail link moves
14 October, 2000

Water through the Badlands
06 June, 2000
Seventeen million people in the 27 cities served by The Metropolitan Water District (MWD) of Southern California consume a lot of water. The Riverside Badlands Tunnel is part of the MWD's Inland Feeder pipeline project, a vital water supply link to the recently completed Diamond Valley Lake Reservoir, which doubles the surface water storage capacity in the region. Daniel Tempelis, MWD's programme manager for the Inland Feeder Project, and John Townsend, Associate of Hatch Mott MacDonald , report on the $1.2bn development which will supply 1150M litre of water per day to the reservoir through a 70km of 3.65m diameter pipeline.

All systems go in Singapore
30 March, 2000
Traditionally, the underground construction industry in Singapore has been more concerned with the successful delivery of infrastructure projects than blowing its own trumpet. However, with the volume of investment now under way in this small island state and a rolling programme of schemes earmarked for the next three decades, there is huge interest in the tunnelling market here. Editor Steve McCormack was invited by the Land Transport Authority to visit key contracts in progress.

TBM makers join forces
30 March, 2000

Tapping into Lake Mead
25 January, 2000
The population of the Las Vegas Valley is due to double in the next 20 years. With demand for water already outstripping supply, expansion of the delivery and treatment system is under way and is scheduled to take 15 years. Jim Morris, Rick Kimball and Anne Gothro, Lake Mead Constructors, describe work in progress on Intake No. 2

Thoroughbred development
15 October, 1999
Roadheaders are frequently referred to as versatile workhorses, which implies that they are examples of utility equipment rather than an important method of tunnel excavation. Technical Journalist Maurice Jones highlights their virtues and points out that, while such machines constitute a maturing technology, efforts are continuing to increase their applications and productivity.