North America - Page 1

Stay up to date with the latest North America updates from the global tunnels industry

Latest North America Update

International relations 21 October, 2019 On behalf of TAC, Andre Rancourt travelled to China to attend a workshop hosted by the China Railway Society. > read more

In demand in Montreal 21 October, 2019 A local building boom has affected the supply of shotcrete to contractors across the tunnelling and wider construction industry. Liam Ireland, technical sales engineer, King Packaged Materials Company, reports

Navigating live tunnel connections 30 September, 2019 Connecting the Des Plaines Tunnel System to the McCook Reservoir is one of the latest – and more challenging – components of TARP. Report by Cary Hirner and Faruk Oksuz of Black & Veatch, and Carmen Scalise of the Metropolitan Water Reclamation District of Greater Chicago

The China experience 30 September, 2019 Chinese industrial leaders outlined their hopes for growth in construction equipment exports at Bauma this spring. The underground market is a key target for these suppliers, but the process of going abroad has not been without challenges, even with an enormous push from Beijing to finance foreign infrastructure, Alex Conacher reports

ICUEE 2019 27 September, 2019 Held every two years, the International Construction and Utility Equipment Exposition is the utility industry’s largest show with more than 850 exhibitors

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

TAC 2019 27 September, 2019 This year’s workshop focuses on the use of tunnelling technologies and underground space for stormwater and flood control

Slurry TBMs 27 September, 2019 Slurry TBMS are considered “SOFT ground” tunnel boring machines (along with earth pressure balance TBMs), which use pressurised slurry in the excavation chamber to balance the groundwater and soil pressure.

Stay connected 27 September, 2019 Guido Perez Manfredini, regional commercial manager, MST Global, discusses unified communication and data networking for tunnels

Northern exposure 27 September, 2019 A round-up of tunnel work in the Nordic Forum

Horizontal Directional Drilling (HDD) 07 June, 2019 Includes: Q&A with Ali Asadi (M.Eng Candidate from Concordia University’s Department of Building, Civil and Environmental Engineering)

Conditions of contract 06 June, 2019 Alex Conacher reports on the Emerald Book, published at WTC 2019

A step forward for fresh air 06 June, 2019 Fathi Tarada, managing director of Mosen Ltd, reviews a new emissions guidance report issued by the World Road Association

Restoration 06 June, 2019 Matthew Hubel, Schemmer Associates, discusses restoration for the City of Omaha’s Missouri River Water Resource Recovery Facility

In the clear 06 June, 2019 Tunnelling below St. Louis will improve wastewater capacity and alleviate overflows, Desiree Willis, technical writer for Robbins, reports

Subsurface storage system 06 June, 2019 Underground construction in Montreal is helping the city meet increasing transit system demand. Jean Habimana, Hatch, discusses the Garage Cote Vertu project

Head to the lake 29 April, 2019 Construction started this year on the City of Toronto’s Ashbridges Bay Treatment Plant Outfall at Lake Ontario. Andre Solecki, Riley McMillan and Kai Fung, of Hatch, and Justyna Kempa-Teper with the City of Toronto discuss the design challenges for the project.

Sequential excavation method tunnelling 20 December, 2018 Sequential excavation method (sem) is a type of tunnel design and construction that started to gain popularity in the 1960s and 1970s. The essential component of the SEM approach is to take advantage of the natural capacity and strength of surrounding geology to support the tunnel with minimum cost and time required.

UCT 2018 20 December, 2018 T&T’s guide to UCT and highlights from the technical sessions

TAC Awards 2018 20 December, 2018 From rising stars to nationally acclaimed projects, the Tunnelling Association of Canada (TAC) presents its annual awards each fall to recognize the deserving individuals and engineering accomplishments in the Canadian tunnelling sector. The 2018 awards were presented on November 8 in Edmonton.

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