On April 24, 2017, Mosmetrostroy's subsidiary MMS International LLC signed a subcontract agreement for the construction of the Chortanovci tunnels in the Republic of Serbia as part of the reconstruction, modernization and construction of the Belgrade-Stara Pazova-Novi Sad-Subotica-state border double-track railway.
In 2020, the right tunnel with a length of 1086 meters and the left tunnel with a length of 1156 meters were repaired. The construction of the permanent lining of the tunnels was completed in the fall: the right one in September, the left one in November. At the end of February 2021, we completed the construction of the upper track structure along the left and right running tunnels, with a total length of 2,242 m. Installation of power supply systems, electric lighting, communications, ventilation, fire extinguishing systems and information and communication systems was completed.
OBJECT CHARACTERISTICS:
Construction volume - 186,625 m2
The length of the left tunnel is 1,150 m
The length of the right tunnel is 1,090 m
Average tunnel width - 8 m
The height of the tunnel from the level of the rail head is 7.45 m
Republic of Serbia, km 56+400 – 57+550 section Stara Pazova - Novi Sad