Search Results: 'Traylor'

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:

Skanska Traylor Shea JV breaks through on LA Purple Line Extension
03 March, 2021
Los Angeles County Metropolitan Transportation Authority (Metro) has announced the recent breakthrough of TBM ‘Elsie’ – the first of two TBMs mining Section 1 of the US$9.3bn Los Angeles Purple Line Extension project.

Traylor-Shea to design and build RiverRenew tunnel system
20 November, 2020
US-based AlexRenew – the public utility for water renewal in Alexandria, Virginia – has awarded a US$454.4m contract to Traylor-Shea Joint Venture to design and construct the RiverRenew Tunnel System Project.

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

Robbins TBM and conveyor duo complete Ohio River Tunnel
16 October, 2020
Despite a challenging geology, a 6.7m-diameter Robbins Main Beam TBM has achieved impressive advance rates on the 6.5km Ohio River wastewater storage tunnel below Louisville, Kentucky, US.

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

Aecon/Traylor to build Second Narrows Tunnel
05 November, 2018
Canada – Aecon Group announced November 1 that a joint venture between Aecon (40 per cent) and Traylor Bros Inc. (60 per cent) has been awarded a CAD 267M (USD 203M) contract by Metro Vancouver (Greater Vancouver Water District) for the Second Narrows Water Supply Tunnel project in British Columbia.

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

TBM shield lowered for Regional Connector
26 October, 2016
US - The Los Angeles County Metropolitan Transportation Authority (Metro) held a naming and lowering ceremony for the TBM that will dig twin 1.1-mile (1.7km) rail tunnels for the Regional Connector Transit Project on October 19.

Blue Plains Tunnel wins DRBF award
02 September, 2016
US – The Blue Plains Tunnel team was recently awarded the Excellence in Dispute Avoidance & Resolution Award for projects with a budget of USD 250M or greater, Traylor Bros. announced.

Bids opened for Thimble Shoal tunnel project
03 May, 2016
USA - The Chesapeake Bay Bridge-Tunnel district (CBBT) received its Final Technical Proposals and Price Proposals for the Parallel Thimble Shoal Tunnel Project on April 29.

Blue Plains tunnelling completed
27 July, 2015
USA - The TBM mining the 4.5-mile-long Blue Plains tunnel completed her dig earlier this month and on Thursday, July 23 her cutterhead was extracted from a 100ft-deep shaft near DC Water’s Main Pumping Station in Southeast Washington, DC Water announced yesterday.

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.