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Credit check
24 December, 2019
Greg Norris of B2W Software explains how software can help track employee licenses, certifications and training

TAC Awards 2019
24 December, 2019
From rising starts to nationally acclaimed projects, the Tunnelling Association of Canada presents its annual awards each fall to recognize the deserving individuals and engineering accomplishments in the Canadian tunnelling sector. The 2019 awards were presented in Winnipeg on October 21.

To boldly go underground
24 December, 2019
Paola De Pascali speaks with Jamal Rostami, head of mining engineering at the Colorado School of Mines, who has been looking at the challenges of tunnelling on the moon

Augmented underground
23 December, 2019
Phil Evans, a section planner, Jose Goncalves, a tunnel sub-agent and Sean Melody, works superintendent explains how digital transformation can reshape tunnelling, showing the latest digital technologies being used by the Morgan Sindall, BAM Nuttall, Balfour Beatty joint venture delivering the west section of the Thames Tideway Tunnel

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

Hull Flood Alleviation
23 December, 2019
Paola De Pascali visited the site of the Anlaby and East Ella Flood Alleviation Scheme (AEFAS) in Hull to explore the challenges of excavating a culvert through Chalk and within a Source Protection Zone

Make the case
23 December, 2019
Chris Sivesind, Akkerman, discusses guided auger boring pipeline installations and its use in recent projects from around the world

Limiting Carbon
23 December, 2019
New technologies for reducing CO2 are available to the construction industry, says the German Engineering Federation, the VDMA

Fire performance of Tunnel linings
05 December, 2019
Octavian Lalu and Tom Lennon of BRE Global review a number of experimental programmes undertaken at BRE on the performance in fire of tunnel linings, with a particular focus on concrete mix design to alleviate the effects of spalling

Fire safety
20 November, 2019
This article is a reprint of the paper first published in the Proceedings of the 8th International Symposium on Tunnel Safety and Security, Borås, Sweden, 14-16 March, 2018, and presented as a keynote address there. The article has been abridged from the original paper

Keeping Pace
14 November, 2019
Frank Grundholm, vice president for global HVACR sales at ABB Motion, explains how variable frequency drives (VFDs) are used together with electric motors for the effective control of rail and road tunnel ventilation fans

Forum Tunnel incident
14 November, 2019
A tunnel fire is never a positive event, but when there is no loss of life there is good reason to be thankful. Fläkt Woods issued this account of a recent incident

Keeping up the Pressure
14 November, 2019
A cut-and-cover tunnel in Italy will make use of high pressure compressed air in what engineers are claiming is a first for the Mediterranean country. Paola De Pascali spoke with Andrea Pigorini, the head of infrastructure engineering at Italferr, and a spokesperson for Salini Impregilo, to find out more

Adverse conditions
14 November, 2019
Tunneling at Vietnam’s arduous Thuong Kon Tum HEPP draws to a close.

Clean water
31 October, 2019
Kristian Downs, export manager for Siltbuster explains the use of the company’s system on the Gothenburg Metro project

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

To boldly go underground
31 October, 2019
Paola De Pascali speaks with Jamal Rostami, head of mining engineering at the Colorado School of Mines, who has been looking at the challenges of tunnelling on the moon

No changes, No regrets
31 October, 2019
Paola De Pascali returns to the Trans Adriatic Pipeline’s landfall site to check on progress as the project enters its final stages

Manila Aqueduct
31 October, 2019
At the June 2019 meeting of the British Tunnelling Society, GHD’s practice leader for tunnels, Brendan Henry spoke about the NBAQ 4 project to deliver water to seven million residents in the Manila metropolitan area. Alex Conacher reports

The Emerald Book
31 October, 2019
FIDIC board member Aisha Nadar is the main board liaison for contracts. She explains the rationale and thinking behind the recently launched FIDIC Emerald Book, the Conditions of Contract for Underground Works