The project consists of design, provision, assembly and system integration, testing & commissioning works of the electro-mechanical systems including heating and air conditioning utilities as well as construction of 4 underground stations, rail works and 3,566 mt length Levent-Hisaru¨stu¨ single main line NATM tunnel. There are also two connection tunnels connecting to the main line each having length of 523 m and 640 m.

Electromechanical works cover Power Supply and Traction Power, Signalling Systems, Control and Communication System, Environmental Control System, Auxiliary Plants, Escalators and Elevators, Railway Works, Supply, Installation and Commissioning Works.