Latest from Tunnels and Tunnelling
Draw from Experience
Wellpoint installation under hydraulic pressure for dewatering for cross passage construction on Toronto’s Eglinton Crosstown LRT project
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On a grand scale
Atlanta’s water supply program will transform a quarry into one of the largest reservoirs inNorth America, Desiree Willis, technical writer for Robbins, reports
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Golder to buy Alan Auld Group
Canada - Golder announced October 12 that it has entered into a definitive agreement to purchase the assets and ongoing operations of the Alan Auld Group of Companies.
Canada - Golder announced October 12 that it has entered into a definitive agreement to purchase the assets and ongoing operations of the Alan Auld Group of Companies.
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Murphy’s new CEO
Great Britain - J. Murphy & Sons Limited has appointed John Murphy as its new CEO. Murphy was the company’s current chief operating officer as Tunnels and Tunnelling went to print, responsible for leading the group’s operations in the UK and abroad. CEO Steve Hollingshead will step down at the end of the year (December 2017) and take up a role as non-executive director on the company’s board.
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First TBM breakthrough in Lucknow
India - Crews celebrated breakthrough on the first TBM-driven tunnels in the capital of Uttar Pradesh. A Gulermak-Tata Projects JV was the contractor for the project, which is part of the 22,88km Phase 1A of the Lucknow Metro North-South Line.
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Seattle LRT tunnel one-third complete
US - Tunnel construction has advanced more than 700ft (213m) of the total 2,000ft (610m) drive below Bellevue, Washington, as part of Seattle's East Link light rail project, Sound Transit said on October 3.
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University of Texas at Austin announces grouting short course
Texas Engineering at The University of Texas at Austin announced it is holding the 39th Annual Grouting Short Course from February 12-16, 2018, an earlier date than in years past.
LATEST FEATURES
Joseph Sopko, director of ground freezing for Moretrench, discusses the design of frozen Earth structure for cross passage excavation
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In the field
In June students from the geomechanics graduate program at Queen’s University in Kingston, travelled to Europe for two weeks of research and tours—seeing first hand the challenges and innovative solutions required to complete the region’s impressive geological engineering projects. Mark Diederichs reports
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Working remotely
Nichole Boultbee, engineering geologist with Golder Associates Ltd. and Oliver Robson, project manager with Innergex Renewable Energy Inc., report on the challenges of working in a remote and sensitive environment for the now operational Upper Lillooet River hydro facility
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In the nick of time
To secure the potable water supply for Montreal, a new intake tunnel is being built with a fast-track design and construction schedule. Jean Habimana, regional tunnel practice lead - east region for Hatc
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Investigate and implement
Toronto is preparing to build 22km of tunnels to improve waterways in the Great Lakes Basin. Mark Bruder of R.V. Anderson Associates Limited, Daniel Cressman of Black & Veatch, and Robert Mayberry with the City of Toronto outline the geotechnical investigation program for the Don River and Central Waterfront Wet Weather Flow System
BLOGS
Bigger isn’t always bad
The global tunnelling industry is worth USD 1.5tr, according to a new report released in August by Timetric. Leading the pack is Europe, with a project pipeline of almost USD 575bn, surpassing Asia-Pacifi c by a mere USD 10bn. The report attributes this economic success for the region to mega-projects for high-speed and metro rail system expansion.
The global tunnelling industry is worth USD 1.5tr, according to a new report released in August by Timetric. Leading the pack is Europe, with a project pipeline of almost USD 575bn, surpassing Asia-Pacifi c by a mere USD 10bn. The report attributes this economic success for the region to mega-projects for high-speed and metro rail system expansion.
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The Nuclear Solution
Balfour Beatty has announced that it is EDF Energy’s preferred bidder for the Hinkley Point C nuclear power station tunnelling and marine works package. The four-year contract will involve the construction of three tunnels for a total of 9.5km in length and 7m in diameter. The tunnels will form part of the cooling system required.
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History Lessons
Historians contend their subject matter’s utility helps us understand ourselves and the societies in which we live. To borrow an idea from civil engineering—we must understand the foundation before we build upon it. Looking beyond the literal interpretations, in the tunnelling industry without history one cannot appreciate the (comparative) ease, comfort and safety of today’s work environment and modern equipment.
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Give the devil his due
Tunnelling unnerves a lot of people. Whether it’s something about the thought of a large hole being dug beneath the foundations of their property, the disruption of a few years of construction work, or the general idea of infrastructure being driven through a pleasant environment, it worries people. Especially environmental pressure groups.
