Search Results: 'Black '

Mexico’s mega dig
26 December, 2011
Work is underway on Mexico’s largest infrastructure project: the Emisor Oriente. Robbins vice president Joe Roby and Mexico general manager Roberto Gonzalez explain how the wastewater tunnel will save a sinking city

Overlooking the south
20 December, 2011
Compared to other regions of the U.S. and Canada there are few large-scale projects in the southeast, but that may not be the case for long, Nicole Robinson reports

Predicted and encountered deformations
25 August, 2011
Andreas Feiersinger of Dr. Sauer Company was the runner up in the British Tunnelling Society 2011 Harding Prize for this paper comparing deformations predicted using 3D Finite Element Analysis with those encountered on the Green Park station upgrade in London

A delicate dance
17 August, 2011
As the City of Austin bids the Jollyville transmission main for its new water treatment plant, Nicole Robinson examines the many precautions being taken in this sensitive environment

Membranes in the mix
22 July, 2011
There are many approaches to trying to keep a tunnel permanently dry, and as many factors in whether a method is a success. Maurice Jones enters the battle between competing membrane systems

Lasting effects of the lake
14 June, 2011
To deal with tight deadlines and unique ground conditions, the City of Portland’s choice of a non-standard contract will pay off as the final drive of the Balch Consolidation Conduit completes this month. Nicole Robinson looks at the challenging soil in northwest Portland

Small diameter, big impact
13 April, 2011
Building the Bi-County Water Tunnel will bridge a gap in the east coast water system. One of the two drives has been completed for the compact, but deep alignment. Robbins technical writer Desiree Willis reports

Europe claws back to black
14 March, 2011
A construction boom in Poland, reduced labour costs and a healthy range of large, challenging tunnelling projects has meant that despite a reduced demand for costly underground construction, the industry remains upbeat. Alex Conacher reports

Rebuild for hardrock
14 February, 2011
Robbins technical writer Desiree Willis looks at the workhorse TBM that bore one job after another

Wrapping up four decades of Windy City tunneling work
11 February, 2011
Chicago’s landmark CSO program, TARP, advances to the final phases as reservoirs and tunnel connections take shape. A report by Kevin Fitzpatrick, MWRDGC, supervising civil engineer; Justine Gembala, MWRDGC, senior civil engineer; Cary Hirner, Black & Veatch, project manager and Faruk Oksuz, Black & Veatch associate vice president

CSO solutions in Ohio
11 February, 2011
As 2010 came to a close, Columbus, Ohio saw groundbreaking for the OARS project—the first of three large diameter sewer tunnels the city is building over a 40-year schedule to reduce combined and sanitary sewer overflows, Nicole Robinson reports

Against limit state design in rock
11 February, 2011
Dr Philip J N Pells, Adjunct Professor at the University of New South Wales and director of Pells Consulting, argues against the usefulness of limit state design in underground construction through rock

What they don’t know they don’t know
11 February, 2011

Sorting out the sewers
11 February, 2011
Water and wastewater needs, particularly updating the aging sewer systems of the Midwest, are providing tunnelling work, but that’s almost the only work to be found here, reports Nicole Robinson