Austria: Webuild Begins Work on New Brenner Base Tunnel Lot

WeBuild has begun work on Lot H41 Gola del Sill‐Pfons of the Brenner Base Tunnel using two tunnel‐boring machines (TBMs) with diameters of over 10 metres.

A key part of the Scandinavian-Mediterranean Corridor of the Trans-European Transport Network (TEN-T) project, the Brenner Base Tunnel will link Italy and Austria under the Alps.

When complete it will be the world’s longest railway tunnel, at 64 kilometres in length.

Lot H41 Gola del Sill‐Pfons of the Brenner Base Tunnel
Lot H41 Gola del Sill‐Pfons of the Brenner Base Tunnel

The Lot 41 contract, worth 651 million euros (734.4m USD), was awarded to an Implenia/Webuild (and Swiss subsidiary CSC Costruzioni) joint venture last November by BBT SE. This is the company created to develop the Brenner Base Tunnel.

The contract consists of the construction of the section of railway in Austria from Gola del Sill near Innsbruck to the town of Pfons, and is in line with Webuild’s strategy to focus on low‐risk markets that are rolling out infrastructure development plans.

Works include 22.5km of main tunnel tubes and 38 cross passages with a total length of approximately 2.3km.

Webuild is also contracted to line the walls of already completed tunnels, create an underground emergency stop at Innsbruck, access tunnels, exploratory tunnels and parts of other secondary tunnels.

The design of the project focuses on environmental sustainability during construction. With this in mind, work sites have been designed to minimise the distance materials have to travel, and measures have been put into place to reduce dust and noise.

Webuild is already working on the construction of other Brenner Base Tunnel lots, including the Isarco River Underpass and Mules 2‐3.

It is also working on the railway between Fortezza and Ponte Gardena south of the tunnel and has already completed Lot Tulfes‐Pfons.

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