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Trelleborg expands China production facility
13 December, 2019
China – Gaskets supplier Trelleborg has expanded its Chinese factory in response to an increase in local demand for tunnel seals. The expansion will see the company produce its Gina gasket locally for the Chinese market, following the addition of a new manufacturing line at its Qingdao facility.

Dawn Greig takes UKSTT chair
12 December, 2019
Great Britain – Dawn Greig has been elected as chair of the United Kingdom Society for Trenchless Technology. Greig is the global creative and business director with Picote Solutions, part of the Finland-based Picote Group which specialises in the innovation and manufacture of solutions for the trenchless rehabilitation of smaller diameter drains and sewers.

Sandvik announces Stage V complaint underground loaders
12 December, 2019
Sweden - Sandvik is ready to launch its first Stage V compliant underground loaders for hard rock mining applications, starting with Sandvik LH517i and Sandvik LH621i early next year.

City of Dallas unveils Mill Creek TBM
12 December, 2019
Texas – The City of Dallas recently unveiled the Mill Creek Drainage Relief Tunnel TBM, it announced December 6. The 37.7ft (11m) by 230ft long machine will excavate a 5-mile (8km) tunnel for flood protection.

Severomuysky Tunnel TBMs ordered
06 December, 2019
Russia – Two 10.37m-diameter Robbins Crossover (XRE) machines have been chosen to bore the second Severomuysky Tunnel. The tunnel is a 15.5km-long drive that will form part of a new rail line that will supplement the existing Baikal-Amur Mainline (BAM).

Two Kowloon Peninsula road contracts awarded
06 December, 2019
Hong Kong – Contracts for the Central Kowloon Route (CKR) and Trunk Road T2 have been awarded to Bouygues Construction. These projects form part of a new trunk road known as Route 6. When completed, Route 6 will provide an east-west link in the region with three lanes in both directions.

Felix Amberg awarded Stuva prize
06 December, 2019
Switzerland – Amberg president Felix Amberg was awarded the Stuva prize last month. The award, presented at the German research group’s biennial conference, was given for a lifetime of achievement in the industry.

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

Aecom to provide technical assistance for the Lyon-Turin high-speed rail line
03 December, 2019
France – Aecom has been awarded a framework contract to provide technical support for the design and construction stages of the Lyon to Turin high-speed rail line, which includes 57.5km twin bored base tunnel between St Jean de Maurienne, France, and Chiomonte in Italy.

TfL finalises Silvertown contract
27 November, 2019
Great Britain – The contract for the Silvertown Tunnel project has been finalised. The contract had been delayed by legal challenges, but the Riverlinx consortium, comprising Ferrovial’s Cintra, Bam PPP PGGM, Macquarie Capital, Aberdeen Standard Investments and SK E+C has taken the work.

Tideway launches TBM tracker
27 November, 2019
Great Britain – Thames Tideway has launched a web-based tracking tool to allow users to view the progress made by the TBMs working on London’s new ‘super sewer’.

Stuva revises gasket recommendations
27 November, 2019
Germany – The research organisation Stuva has published an update to its gasket recommendations at its 2019 exposition and conference in Frankfurt. The document, ‘Recommendation for gasket frames in segmental tunnel linings’ combines two previous documents: ‘Testing and application of gasket frames in segmental linings (2005) and ‘Use of gaskets for sealing segmental linings’ (2006).

FIDIC appoints legal head
26 November, 2019
International – The International Federation of Consulting Engineers (FIDIC) has appointed Daduna Kokhreidze as its new head of legal and compliance. The role for includes advising the chief executive and president on FIDIC by-laws and statutes, risk management and compliance requirements for the organisation and its operations, as well as contribution to drafting development to FIDIC’s contracts and management of relevant FIDIC committees.

Enbridge completes core work at Mackinac
25 November, 2019
Michigan – Rock sampling work is finished at the Straits of Mackinac, Enbridge announced November 21. The samples will be used for the final design of the gas company's Great Lakes Tunnel.

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

Salini starts Seattle ship canal tunnel
19 November, 2019
Washington – A new stormwater tunnel will be built in Washington within a dense urban area where unexpected ground conditions might happen.

Epiroc and Orica announce semi-automatic explosives initiative
19 November, 2019
Global – Epiroc announced November 14 it has entered a partnership with Orica to jointly develop a semi-automated explosives delivery system, enabling safer and more productive blasting operations in underground mines.

Strabag to build Ashbridges Bay feeder tunnels
19 November, 2019
Ontario – The City of Toronto awarded Strabag a CAD 120M contract for the second section of the Ashbridges Bay project, the contractor announced November 18.

Boring Company starts tunnelling in Las Vegas
19 November, 2019
Nevada – The Las Vegas Convention and Visitors Authority (LVCVA) announced November 16 tunnelling has started for it's underground people mover.

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