Search Results: 'Southern Water'

South by Southwest
12 December, 2013
The southern states grapple with water supply as drought conditions worsen and stormwater from flash floods cause damage for homes and businesses

River Wild
10 October, 2013
The Polish government has announced plans to finance the drilling of the twin 2.06km-long tunnel in the Mały Lubon massif and the twin 2.27km-long tunnel in the Wałbrzyskie mountains. The investments are to be part of Poland’s PLN 35.7bn (USD 11.07bn) road development plan for the years 2011 to 2015. Jaroslaw Adamowski reports on the latest boost to Polish tunneling.

Emergency tunnel gets green light at Lake Mead
10 October, 2013
A unanimous vote by the Southern Nevada Water Authority (SNWA) board last month approved a new emergency tunnelling project at Lake Mead in Las Vegas, Nevada.

Leaving a legacy
25 September, 2013
April saw the first breakthrough on the two drives for Brisbane's Legacy tunnel, a new western city motorway link for its Transapex network. Adrian Greeman visited the project

War and Peace
25 September, 2013
As the world lurched into the most bloody period in history, London Underground entered a golden era of management and vision. Historian James Chappelow continues the story up to the years of decline

A Muddle or a Miracle?
25 September, 2013
The dawn of world metro construction broke less than a kilometre from Tunnels' London offices a century and a half ago. Historian James Chappelow starts from the beginning

Qatari coup
23 August, 2013
Qatar is preparing to set new records in tunnelling with 26 tBms simultaneously boring 59km of twin bore tunnels creating the first phase of the vital doha metro. technical journalist Bernadette Ballantyne reports

Storm Surge
20 June, 2013
When Hurricane Sandy hit the east coast last October, the super storm flooded many of New York’s tunnels. In the wee hours of the morning Moretrench received a call to help pump out the city’s crucial underground infrastructure. Michael McHugh explains where and how dewatering operations dried out the Big Apple.

Go West
07 June, 2013
The market for megaprojects moves to the West Coast as tunnelling wraps up on most New York Subway drives, Nicole Robinson reports.

Sprayed overbridges
06 June, 2013
SCL overbridges at tottenham court road. Andreas Feiersinger of dr. Sauer & partners, and Phillip Lea of Halcrow were the authors of this paper, which was presented at the March meeting of the british tunnelling Society

Massive metros
06 June, 2013
Desiree Willis, technical writer for TBM manufacturer Robbins looks to the logistical changes associated with the rise in grand metro schemes

Norra Laenken’s novel lining
17 May, 2013
In the January BTS meeting, technical and risk manager Andreas Raedle, construction manager Jörg Steppuhn and site manager Felix Lenzen, all of Hochtief Solutions, presented on the Norra Laenken road tunnel project in Stockholm, Sweden. This article gives an overview of both the design and construction for the Lot NL 35project, including the pre-grouting works, the drill and blast operations and a new concept for inner lining

Double decked
10 April, 2013
Tim Magub, LCAL blasting manager and Sam Jones, Leighton John Holland project manager for Contract 904 of the Hong Kong South Island Line delve into the new blasting technique developed for the project – double deck blasting.

California releases preliminary Bay Delta plan
18 March, 2013
This week the California Natural Resources Agency release the first four, of 12, draft chapters on the Bay Delta Conservation Plan (BDCP), which calls for some 35 miles (56km) of twin tunnels to be built in California.

Largest segments
06 March, 2013
The largest operational EP BM in the world is currently excavating the south bore of the Sparvo highway tunnel project in Italy. The outstanding size of the 15.615m Herrenknecht machine and complex geology has required 700mm thick segments with a high level of steel bar reinforcement. This paper is written by Maurizio Pepino, Gianluca Comin and Alfonso Di Cara of main contractor Toto Costruzioni Generali

Copenhagen copes
28 February, 2013
Alex Conacher speaks to Guy Taylor, project director of client Metroselskabet, and Soren Eskesen, head of Cityringen tunnelling for the client, and chair of the Danish Tunnel and Underground Works Association for this update from site, and a new project offshoot, as the first machine arrives in port and site preparations draw to a close

Rohtang praying for rock
17 January, 2013
The Rohtang Pass tunnel in India’s northern Jammu & Kashmir region is an ambitious project to provide year-round access to a remote group of communities. The Strabag- Afcons JV has hit woeful ground conditions and braved the worst the Himalayas can throw at it as work on this infrastructure lifeline slowly progresses. Alex Conacher speaks to Peter Reichenspurner, Strabag’s technical area manager for Asia and Africa, tunnelling division

Hydro hurdle
14 January, 2013
Hydropower potential in India is a vast prize for tunnelling. Unlocking it is a different matter. Danny Richards of economic and market analysis company Timetric reports

Finding the funds
07 January, 2013
In this regional report, Tunnels North America is looking at the states east of the Mississippi River and, roughly, south of the Ohio River. Miami may be home to a mega TBM, but the region is not a major source of underground construction workc