Railway Construction and Modernization Project in Bulgaria

This contract involves the design and construction of railway infrastructure as part of the modernization of the Sofia-Pernik-Radomir railway line. Key activities include: 1. **Design Work**: Preparation of detailed working projects for all technical aspects, including author supervision. This includes technical projects for stops at Bela Voda and Kopanitsa, and the reconstruction of the Batановци station. 2. **Construction Work**: - Doubling and modernization of the railway from Pernik Distribution to Radomir. - Upgrading of the track layout and contact network at the stations of Pernik, Batановци, and Radomir. - Construction of a two-track electrified bypass at Batановци station and three junction posts for connections. - Installation of a new contact network for the double track line. - Upgrading of the SCADA system. - Construction of a new drainage system for the entire section. - Building a new duct network for signaling, telecommunications, and energy systems, including optical cable installation. - Modernization of existing railway facilities and construction of new ones (culverts, retaining walls, etc.). - Reconstruction and construction of new platforms with access (including pedestrian underpasses and overpasses) for the stations of Pernik and Radomir, as well as stops at Krakra, Bela Voda, and Kopanitsa. - Construction of two double-track tunnels and eight bridge structures. - Construction of noise protection facilities in urban areas and safety fences along the route. - Reconstruction of crossings with other infrastructures where necessary. The quantities mentioned are approximate and subject to change based on the contractor's project developments. This project is classified as first category according to Bulgarian construction regulations. Full details of the requirements are provided in the Technical Specification, Appendix 1 of the public procurement documentation. All relevant data can be accessed through the provided links.