Facts and Figures of the new Albula Tunnel
The project of the construction of the new Albula Tunnel has been planned since a long time. Read more about the facts and figures of the tunnel as well as the different steps to be achieved over the years.
|
Planning and completion |
14 years (2011 – 2024) |
||||
|
Construction time |
8½ years |
||||
|
Length of Albula Tunnel II (new construction) |
5,860 m |
||||
|
Length of Albula Tunnel I (existing structure) |
5,864 m |
||||
|
Transverse access links to safety tunnel |
12 |
||||
|
Height of tunnel from top of rail |
5.44 m |
||||
|
Inner width of tunnel |
5.76 m |
||||
|
Maximum altitude |
1,821 metres above sea level |
||||
|
Attainable maximum speed in tunnel |
120 km/h |
||||
|
Finance |
Federal government 85%, canton 15% |
||||
|
Volume of excavation |
244,000 m3 (solid material) |
||||
|
Trains per year |
Over 15,000 |
Project phases
|
2006 |
A full inspection of the tunnel reveals serious damage to its structure and an urgent need for an equipment overhaul |
||||
|
2008 |
A conceptual study reveals possibilities regarding integral renewal of the infrastructure |
||||
|
2009 |
Engineers and other specialists are engaged to draw up preliminary projects based on concepts entitled “repair” and “rebuilding” respectively |
||||
|
2011 |
A decision is made in favour of reconstruction |
||||
|
2011 |
Start of construction work on the new Albula Tunnel II |
||||
|
2012 |
Examinations of the subsoil and preparatory work |
||||
|
2013 |
A project dossier is submitted to the Swiss federal government |
||||
|
2014 |
The corresponding building permit is issued. Preparatory work begins officially in June, with the ceremonial cutting of the first turf. This includes clearing the corresponding building sites, upgrading the existing Albula Tunnel, and preparation of the landfill site at Las Piazzettas |
||||
|
2015 |
Preliminary excavation work is carried out at the tunnel portals, and tunnelling begins from both the Preda and Spinas ends |
||||
|
2016 |
The Raibler cellular limestone is penetrated |
||||
|
2018 |
The final breakthrough takes place, and work on the interior can begin |
||||
|
2023 |
Completion of tunnel shell |
||||
|
2023 |
Installation of the track and catenary |
||||
|
2023 |
Installation of railway technology |
||||
|
2024 |
Completion of project |
||||
|
2024 |
Restoring to nature / demolition / renovation of evacuation passage |
