Search Results: 'Traylor Brothers'

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.

Traylor Aecon consortium to build Annacis Water Supply Tunnel
28 January, 2022
Aecon has announced that Metro Vancouver awarded a US$225m contract to the Traylor-Aecon General Partnership for the construction of the Annacis Water Supply Tunnel/ Fraser River Crossing project in British Columbia, Canada.

Three JVs picked for BART extension
20 May, 2021
Valley Transportation Authority (VTA) has chosen three joint ventures (JV) to submit proposals for the estimated US$2bn track and tunnel work contract for the BART Silicon Valley Extension into Downtown San Jose and Santa Clara, California, US. The teams are:

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

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.

Cross passage excavation completed on U-Link
05 March, 2013
Construction is complete on University-Link cross passage, including one in particular that had been underway 100ft (30.5m) below the surface since July 2012.

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

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

First U220 breakthrough
03 April, 2012
Breakthrough was reached on the first bore of the U220 University Link Light Rail in Washington, D.C., US.

Full steam to the finish
19 December, 2011
The TBM mining the five-and-ahalf-mile South Cobb Tunnel in Georgia holed through in March of this year, despite hurricanes and unseasonal winter weather along its journey. This milestone came roughly one year ahead of schedule. Nicole Robinson reports on the success at South Cobb

Capital breaks ground
18 October, 2011

Design-build contract for Blue Plains tunnel awarded
09 May, 2011

East Side Access TBM dedication
25 March, 2011

Looking at logistics: transport techniques
10 November, 2007
As the tunnelling industry moves forward, transport logistics play an ever-increasing role in project success. Deputy editor, Amanda Foley, reports

A helping hand
01 October, 2004

Bids for 4.8km Big Walnut
01 May, 2004

Nancy Creek
05 May, 2002

Seattle picks contractor but keeps options open
14 October, 2000

Contract confusion reigns in Seattle
01 December, 1999