Project Description

Rehabilitation of the railway, artificial structures, facilities, and power supply system devices of the railway infrastructure in the section from Starya Struma Station to Klisura Station, from km 107+200 to km 111+070, with a length of 3870 m.

Construction: Group 2, Category 1
Formation and compaction of the main earthwork platform, construction of embankment with protective layer, supply and installation of reinforced concrete drainage channels type EKT 200/50, supply and installation of reinforced concrete drainage channels type BK 100/30, supply and installation of new railway track 60E1, new concrete sleepers (1720 pcs/km), and elastic fastening, supply and installation of new railway track 60E1, new concrete sleepers (1600 pcs/km), and elastic fastening, supply and installation of new ballast, transport and installation of used wooden crossing made of sleepers with specified dimensions.
Repair and renovation of watercourses, construction of drainage systems with perforated PVC pipes.
Repair of Tunnel No. 8 including sandblasting the tunnel surface, mechanical cleaning of the tunnel lining surface, waterproofing additives for shotcrete - "Penetron Admix", construction of drainage with pipe.
Reinforcement with a retaining wall at the entrance of Tunnel No. 8.
Supply and installation of copper conductor 100mm² and overhead ground wire 70mm², and supply and installation of return conductor AS240 mm².