The infrastructure manager STA (South Tyrol Transport Structure) awarded Wegh Group Spa a contract to install its Arianna ballastless system for Marlengo’s tunnel, allowing the electrification of the tunnel.
Marlengo’s tunnel is situated on the Merano-Malles Venosta railway line, in South Tyrol, Italy.
The current tunnel’s section does not provide the necessary height for installing the airline. To that end, there are two possible solutions that involve the extension of the same section, expensive and complex to make, or lowering the track plane, much easier to achieve by eliminating the mass and replacing it with the Arianna platforms.
The work, starting in January 2018 ending within 3 months, will require a much less expensive investment than enlarging the tunnel section and a shorter traffic’s interruption.
This is important because the Marlengo gallery is one of the most delicate points in the whole line. The gallery is a helix with a very narrow bend radius, just 200 meters and steeply sloping.
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