North America - Page 1

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

Latest North America Update

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) > read more

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

Navigating live tunnel connections 06 June, 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

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.

Time to travel 20 December, 2018 Bauma, the largest trade fair in the world, opens its doors in April 2019 in Germany. This year it will feature Canada as the partner country. Event organizers Messe Munchen and VDMA invite readers to attend the show

Corridor Connections 20 December, 2018 Federal, state and other agencies are working to bring super conducting maglev technology to the United States with an initial rail line between D.C. and Baltimore. Nicole Robinson looks at what the projects entails and what the tunnelling industry can expect

Take initiative 01 November, 2018 Lindsey Gauthier, research assistant, and Lana Gutwin, research coordinator, both of CETT, outline the work and research of the consortium, which is part of the University of Alberta

Getting clearance 01 November, 2018 Navigating existing infrastructure above and below ground, Dragados/ Tomlinson has completed the first of two drives for a new stormwater storage system in Ottawa. Nicole Robinson reports

Advanced Tunnel modelling 05 September, 2018 Ioannis Vazaios of Queens University and Nicholas Vlachopoulos of the Royal Military College of Canada discuss the modelling of diverse tunnelling conditions and integration of the appropriate numerical modelling technique into the design process

Risk management in major projects 05 September, 2018 Four speakers from across the tunnelling industry gave their perspectives on the management of risk in tunnelling and major infrastructure projects at the October 19 British Tunnelling Society meeting. Bill Grose introduced the topic and set the scene with lessons from history, Kevin Province spoke about catastrophic events and some observations on best practice, Nigel Legge discussed causes of tunnelling failures and methods of risk management, and Patrick Barney gave the perspective of the insurance industry. This report was prepared by Martyn Noak of CH2M

Results driven 05 September, 2018 A survey earlier in the year found a majority in support of updating the International Tunnelling Insurance Group’s code, T&T reports

One big bore 05 September, 2018 Rail projects across North America are considering single tunnel drives, Nicole Robinson reports

What’s the Difference 16 July, 2018 Ophir Wainer, Lawrence Arcand, and Blain Hunt, of T2 Utility Engineers, discuss subsurface utility engineering and utility locating

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