Search Results: 'Black '

Windsor-Essex Parkway reaches financial close
20 December, 2010

Boring for buried hydro
13 December, 2010
Two new standardised concepts for pumped storage hydropower systems look set to present major excavation opportunities, and challenges, for the North American tunnelling sector, reports Patrick Reynolds

Lower Mill Creek contract awarded for Project Groundwork
03 December, 2010

Bi-County Water Tunnel breakthrough in Maryland
03 December, 2010

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

Stabilising ground conditions around tunnelling routes
22 September, 2010
Preparing the ground ahead of excavation can drastically cut the time and cost of tunnelling. Ian Clarke looks at some of the methods available to tunnellers

Construction begins on bike and pedestrian tunnel in Montana
09 July, 2010

The benevolent ‘big brother’
11 June, 2010
Means of monitoring what is going on in transport tunnels are rapidly becoming more sophisticated. Tunnel monitoring and control systems not only have to provide and interpret accurate information in a sometimes harsh environment, they have to prioritise this input and initiate the best actions for users’ safety and operational economy. Maurice Jones reviews some of the latest developments towards these ends.

Pir Panjal: NATM in the Himalayas
12 February, 2010
Dr. Friedrich Prinzl, project director for Geoconsult describes how construction of the Pir Panjal Tunnel has had to overcome major difficulties

Belfast Sewers Project – part 2
10 February, 2010
The Belfast Sewers Project was presented at the November 2009 meeting of the British Tunnelling Society. In the second of two articles on the project, Paul Ronicle of the Morgan Est - Farrans JV describes the construction challenges

MTR awards more WIL, XRL contracts
09 February, 2010

Charleston sewage threat
09 February, 2010

Construction of Brighton sewage scheme begins
12 January, 2010