Southern Extension of Tehran Metro Line 6

Design and study, supplying material and construction of supporting structure and main structure, plaster works and mechanical and electrical installation of A6-1, A6-2, A6-3, A6-4 stations, construction of interconnecting tunnels and emergency exits between A6 and A6-1 stations, construction of mechanized tunnel with TBM, inner diameter is 9.20 meter and tunnel is 5.5 km long. Track laying and flooring between A6 station and night parking. Construction of TBM exit shaft in the form of EPC contract.