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Infrastructure of Part 3/A of Mianeh - Ardabil Railway
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Infrastructure of Part 3/A of Mianeh - Ardabil Railway

having 6.9 Kilometers long as mono-track and having 6 meters wide including the operation of land and rock excavation, constructing 20 bridges and technical buildings, constructing one special bridge 280 meters long, construct the reinforced concrete retaining wall having the length of 350 meters and the height of 4 to 12 meters and constructing 9 tunnels having the horseshoe section and totally 3742 meters long as follows:
Tunnel No. 1 : 254 meters
Tunnel No. 2 : 150 meters
Tunnel No. 3 : 92 meters
Tunnel No. 4 : 767 meters
Tunnel No. 5 : 562 meters
Tunnel No. 6 : 590 meters
Tunnel No. 7 : 436 meters
Tunnel No. 8 : 540 meters
Tunnel No. 9 : 346 meters