Search Results: 'Shea'

Using rebuilt TBM’s to help reduce environmental impact
24 April, 2023
The world needs to reduce its carbon emissions. The tunnelling industry needs to play its part in that effort. TBM makers Robbins recently came together with T&T to host a webinar on how re-using TBMs can help reduce the carbon footprint of tunnel construction. Doug Harding, vice-president of Robbins, and Christian Heinz, project manager for J. F. Shea, gave the benefit of their experience and answered questions from participants. Julian Champkin moderated the discussion and reports on the webinar

Not going viral
23 October, 2020
Many feared the outbreak of Covid-19 would wreak havoc on the tunnelling sector so how has it fared during the coronavirus pandemic? Perhaps not as disastrously as feared. Julian Champkin investigates

Momentum
23 December, 2019
The City of Los Angeles has seen several milestones this summer for its Purple Line extension, Nicole Robinson reports on the progress for each phase

Momentum
27 September, 2019
The City of Los Angeles has seen several milestones this summer for its Purple Line extension, Nicole Robinson reports on the progress for each phase

Gap year
01 March, 2019
Tunnelling begins this year for the City of Louisville. Nicole Robinson reports on the Waterway Protection Tunnel

Good neighbor
04 July, 2018
Paola De Pascali spoke with Walsh/Shea Corridor Constructors about the challenges of the Metro Crenshaw/LAX Line in Los Angeles

Good neighbour
24 May, 2018
Paola De Pascali spoke with Walsh/Shea Corridor Constructors about the challenges of the Metro Crenshaw/LAX Line in Los Angeles

Drive time
26 March, 2018
The TBM mining twin tunnels for the Regional Connector project in Los Angeles makes its final breakthrough, Nicole Robinson reports

Marathon machine
10 January, 2017
Only one TBM is excavating the whole of the 45km DigIndy tunnel system. Robbins technical writer, Desiree Willis, explains how this refurbished machine will be up to the task and what it means for future projects of this size

Election year
31 October, 2016
Tunnel work in the US has seen support from voters in some local elections and possibly more this November. Nicole Robinson, editor of Tunnels and Tunnelling North America highlights tunnel projects across the country

San Francisco success
27 May, 2015
The first water passed through the 8kmlong San Francisco Bay Tunnel in October 2014, well ahead of an original 2015 schedule. The project also came in well under budget, Adrian Greeman

San Francisco success
03 February, 2015
The first water passed through the 8km-long San Francisco Bay Tunnel in October 2014, well ahead of an original 2015 schedule. The project also came in well under budget, Adrian Greeman reports.

TAC Review
30 January, 2015
The Tunnelling Association of Canada’s regional directors give their annual reports on the industry.

In Review
06 November, 2014
In partnership with the Tunnelling Association of Canada (TAC), every October Tunnels & Tunnelling North America publishes the annual TAC regional director’s report. The four directors take a look at the country’s current marketplace for tunnelling and underground construction, as well as milestones over the past year.

City of expansion
27 June, 2014
By the end of the year there should be three separate tunnelling contracts underway in Los Angeles to expand the region’s public transportation system. Nicole Robinson looks at each project.

In the nick of time
19 March, 2014
As the Hudson Yards development moved toward construction, a small window of opportunity for new rail infrastructure connecting New Jersey to Manhattan began to close. Nicole Robinson looks at the tunnel box project securing the right of way for potential tunnels under the Hudson River.

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.

Advance below the bay
24 May, 2012
The EPBM cutting below the San Francisco Bay is smashing advance rate expectations as the team battle with environmental limitations and brace for tougher ground. Rhian Owen reports

Metro Los Angeles
23 May, 2012
Robert Ball, Matthew Crow and Matt Gallagher of Los Angeles County Metropolitan Transportation Authority (Metro) and David Young and KT Su of Hatch Mott MacDonald give this paper on expanding transit in Los Angeles with the Crenshaw/LAX Project metro

From sea to shining sea
06 February, 2012
Demand for tunnels in North America is strong to meet public transportation and water conveyance needs. Nicole Robinson highlights projects in the region