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Tunnelling - Articles and news items

High safety inside Switzerland’s Ceneri Base Tunnel

Rail industry news / 5 April 2017 /

The Swiss company COMLAB AG has been awarded a contract worth approximately 5.99 million CHF to equip a tunnel radio system to both single-track tunnel sections of the Ceneri Base Tunnel. The 15.4 km-long Ceneri Base Tunnel is the third largest tunnel project in Switzerland after Gotthard and the Lötschberg Base Tunnels.

€114m consultancy contract awarded for the Fehmarnbelt tunnel

Rail industry news / 23 March 2017 /

The tender for client consultancy on the upcoming Fehmarnbelt fixed link between Denmark and Germany has been awarded to a consortium. The 18km combined road and rail link will be the longest immersed tunnel in the world.

Passenger services begin running through Gotthard Base Tunnel

Rail industry news / 12 December 2016 /

Regular passenger services have begun operating through the Gotthard Base Tunnel – the world’s longest tunnel – in Switzerland.

Dublin’s Phoenix Park Tunnel line opens following €13.7m investment

Rail industry news / 22 November 2016 /

Dublin’s Phoenix Park Tunnel line opened for commuter services on the 21st November following a £13.7 million investment.

Innovative engineering saves money on Liverpool railway tunnel upgrade

Rail industry news / 12 October 2016 /

A cost effective rail engineering technique is being used to upgrade a Victorian railway tunnel leading to Liverpool Central station.

Gotthard tunnel: The world’s longest and deepest railway tunnel officially opens

Rail industry news, Z Homepage promo / 1 June 2016 /

Switzerland’s Gotthard Base Tunnel, the world’s longest and deepest railway tunnel, will officially open on the 01 June 2016, 17 years after the start of construction.

Ensuring safety in the Fehmarnbelt Fixed Link rail and road tunnel

Issue 5 2015 / 1 October 2015 /

Safety for end-users is an integral part of any project, not least the project of building the 18.2km-long Fehmarnbelt Fixed Link between Fehmarn in Germany and Lolland in Denmark. It encompasses every aspect of the tunnel project. Apart from ensuring that all specific railway and general safety demands are met, there is also the challenge of adhering to high German, Danish and EU safety standards. Johnny Restrup-Sørensen, Contract Director for Railway at Femern A/S, explains how the demands actually help to achieve the goal of building a modern and very safe tunnel…

Poor ground conditions delay Farnworth Tunnel project

Rail industry news / 8 September 2015 /

Work on the Farnworth Tunnel project has been delayed until December 2015 due exceptionally poor ground conditions.

Work begins on €13.7m Dublin Phoenix Park Tunnel upgrade

Rail industry news / 19 August 2015 /

Ireland’s Minister for Transport, Tourism and Sport, Paschal Donohoe TD, has launched the €13.7 million government funded Phoenix Park Tunnel upgrade.

Last remaining Crossrail tunnelling machine dismantled

Rail industry news / 12 August 2015 /

Victoria, the last remaining Crossrail tunnel-boring machine, is currently being dismantled following completion of the 26 miles tunnelling project.

Tunnel boring moves north-west railway electrification a step closer

Rail industry news / 12 August 2015 /

A nine metre tunnel-boring machine has begun work to reconstruct the Farnworth Tunnel, part of a railway electrification project between Manchester and Preston.

Ceneri Base Tunnel: the logical continuation in the south

Issue 4 2015 / 6 August 2015 /

The NRLA Gotthard Axis comprises of the Gotthard Base Tunnel and the 15km-long Ceneri Base Tunnel. The two single-track tubes of the Ceneri Base Tunnel are complemented by branch-off structures to allow additional traffic connections. So that the ambitious time schedule can be met despite difficult geological conditions, work on lining the tunnel is proceeding in parallel with driving. Marco Ceriani, Chief Construction Officer of AlpTransit Gotthard Ltd, gives further construction status details…