Search Results: 'Traylor'

Packed schedule in Boston
28 June, 2023
TTNA previews the packed program for RETC 2023, in Boston, MA, in June

Vital tunnels for utilities
22 February, 2023
Utility tunnels are among key underground investments in two major Canadian cities – Toronto and Vancouver

Vital tunnels for utilities
16 February, 2023
Utility tunnels are among key underground investments in two major Canadian cities – Toronto and Vancouver

Design and construction of a cavern in downtown LA
31 October, 2022
Christoph Eberle reports on the BTS March evening meeting where Carlos Herranz, Tunnel Design Manager at Mott MacDonald, discussed the design and construction by sequential excavation of LA Metro’s largest underground cavern.

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

TAC Directors’ Reports / Quebec and Maritimes
22 October, 2019
Every autumn the TAC directors report on projects and activities in their regions.

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

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

Cavern configuration
26 December, 2017
The largest tunnelled excavation in Los Angeles, part of the Regional Connector Transit Corridor, will be constructed at relatively shallow depth below existing infrastructure including significant utilities and historic buildings in a seismically active area. Carlos Herranz, Zsolt Horvath, Justin Liandes and Derek Penrice of Mott MacDonald describe the approaches taken to mitigate this design and construction risk

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.

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.

Cleaning up the capital
19 June, 2013
A TBM launch this spring in Washington DC is the first of several to come as the capital cleans up its CSOs. Nicole Robinson looks at the Blue Plains Tunnel.

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.

How low can you go?
20 February, 2013
TBMs have successfully passed beneath the Montlake Cut on Seattle’s University Link Project with only 4m of cover. Andrew Mencke and Lynn Salvati of Jacobs Associates, Seattle, Richard McLane of Traylor Brothers, Seattle, and John Sleavin of Sound Transit, Seattle, explain the design and construction process

Seattle Surge
19 February, 2013
The west coast of the US is home to a strong tunnelling market. Tunnels North America looks at Seattle in particular this issue, but let there be no doubt, other cities in the region are just as busy underground, 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