Search Results: 'Black '

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

Metrolink approves Eglinton Crosstown East Tunnel contract
26 November, 2013
The board of directors at the Ontario government agency's Metrolink has approved the award of the Eglinton Crosstown East Tunnel construction contract from Yonge Street to just east of Brentcliffe Road, it was announced recently.

Toronto awards second Eglinton contract
14 November, 2013
Metrolinx’s board of directors approved the award of the Eglinton Crosstown East Tunnel construction contract, from Yonge Street to just east of Brentcliffe Road, to an Aecon-Dragados joint venture.

Eglinton launches second TBM
10 October, 2013
The second TBMs mining the Eglinton Crosstown LRT project in Toronto launched in mid September while the first machine, which launched in June, stopped for trailing gear installation.

Cutting the Silk Road
23 August, 2013
Lawrence Williams visits the Salmankas tunnel site with tunnel supervisor Ersin Yilmaz

Training hot spot
21 June, 2013
With the excavation of the massive Alaskan Way Viaduct replacement tunnel soon to be underway, using the world’s largest diameter TBM, Seattle’s fire department sought out an authentic tunnel training experience. Gail Greenwood Ayres looks at the history of the Satsop tunnels and their new role in safety.

TBMs launch on Eglinton project
11 June, 2013
The first pair of TBMs mining the Eglinton Crosstown LRT project in Toronto launched on June 5.

14th century burial ground unearthed in central London
26 March, 2013
Excavations for London's Crossrail project have unearthed a historical burial ground in the centre of the city. Thirteen skeletons have been uncovered so far in the 5.5m wide shaft at the edge of Charterhouse Square at Farringdon, and are believed to be up to 660 years old.

Under fire under work
13 March, 2013
The risk of fire in tunnels under construction can be reduced in several ways. At the November 2012 BTS meeting Barry O’Donoghue, Mott MacDonald site contract manager; Francois Pogu, Vinci's Lee Tunnel project director; Dave Bulbrook, London Fire Brigade group manager; and Donald Lamont of Hyperbaric & Tunnel Safety reviewed the Storbelt and A86 Socatop tunnel fires, protocol for working with fire brigade and current legislation required for contractors.

Blast perception and monitoring
15 January, 2013
Technical journalist Maurice Jones provides an introduction to current technology for monitoring the undesirable effects, real or just perceived, of tunnel blasting

Let There be Light
07 January, 2013
In addition to mega projects, the Alaskan Way Viaduct replacement bore and the Miami Access Tunnel, there are road tunnel projects from coast to coast, such as the immersed tube tunnel in Virginia and the Caldecott Tunnel in California. Michael Maltezos of Schréder Lighting US dicusses what to consider when lighting a tunnel for vehicle traffic