ILF designs tunnel and open-track section for railway linemore
As part of the new railway line between Köstendorf and Salzburg, an efficient connection will be built as an addition to the 150-year-old existing line. The 21.3 km long railway line is being planned by ILF within the framework of two joint ventures (open-track section and tunnel), with the 16.5 km long Flachgau tunnel comprising the key element.
The open-track section before and after the tunnel has a total length of 4.3 km and crosses the Fischach tubular bridge which has a span of approx. 42 m.
The planned Flachgau tunnel will have two single-track tunnel tubes. The design services will be carried out using the BIM method and shall, in addition to the early service phases, also include the option for the tender and construction design together with the geotechnical engineering on site as well as the maintenance planning. This tunnel, which will be constructed and advanced underneath the existing line using the New Austrian tunneling method (NATM), a tunnel boring machine (TBM), the cut-and-cover method and box jacking, is a very challenging assignment with complex planning and design works.
ILF looks forward to developing this demanding project.