Phase 4.2 - Reconstruction and electrification of the railway line Harmanli-Svilengrad
Enstruster- Railway Infrastructure Association 2011 (PORR BAU)

Supply, installation, testing and commissioning of a chain catenary, including:

• Reinforced concrete poles and foundations for them;
• Metal profiled poles and foundations for them,
• Steel-lattice poles and foundations for them;
• Hard spans and other metal structures;
• Anchors for Cantilevers;
• Contact wire Cantilevers;
• Cantilevers for power supply and return wire;
• Power supply and return wires (feeder);
• Messenger wires;
• Electrical connectors-back feeders and longitudinal;
• Suspension clamps for return wire;
• Suspension and tension clamps for supply feeder;
• Rigid and midpoint anchoring;
• Compensating devices and Concrete weights for compensating devices;
• Section insulators;
• Neutral sections;
• Droppers and dropper clamps;
• Connecting and branching clamps for CW and MW;
• Surge arresters;
• Section disconnectors;
• Earthing of metal elements part of Catenary poles;
• Earthing elements for connection to the rails,
• Road overpasses and pedestrian overpasses;
• Earting devices on un-electrified tracks.

Design, supply of the materials, installation, testing and commissioning of a system for remote control of sectional disconnectors and connection with SCADA and heating of turnouts using optical communication cables and copper control cables in Harmanli station. Design, delivery of the materials, installation, testing and commissioning of a system for remote control of the Biser BSP from Harmanli station.

Design, delivery of the materials, installation, testing and commissioning of a basic sectional post (BSP) Biser and a system for remote control of sectional disconnectors in BSP Biser from Harmanli station and connection to SCADA using optical communication cables and copper control cables in Biser BSP.

Design, delivery of the materials, installation, testing and commissioning of a system for remote control of sectional disconnectors and connection to SCADA using copper control cables in Liubimets station.

Design, delivery of the materials, installation, testing and commissioning of a system for remote control of sectional disconnectors and connection to SCADA using optical communication cables and copper control cables in Svilengrad station.