Detailed design of a railway branch of approximately 1.25 km connecting Luso Finsa to the Beira Alta Line, in the municipality of Nelas. Designed to make the modernization of the Beira Alta Line (IP) compatible with the company's industrial expansion plan. It includes a 500 m loading/unloading platform, accessible to road vehicles, at industry level and elevated in front of the railway channel, guaranteed using a 770 m retaining wall for altimetric compatibility. The project covers railroad, earthworks, drainage, containment, electrical traction installations and construction phasing.