In the scope of to Salihli – Manisa double track high speed railway project; • Double track high speed railway of 75.98 km, • Ground survey study services of 75.98 km, • Purchase of a 1/2000 scaled photogrammetric map of 75.98 km, • Preparation of expropriation plans of 75.98 km, • Preparation of architectural, static, electrical, and mechanical projects belonging to 3 high-speed railway station, • 1 post-stressed viaduct project of 1,129 m, • 1 pre-stressed viaduct project of 310 m, • 17 bridge projects of 867.5 m, • 2 units of 8x8 box sectioned state railways passage, • 42 underpasses, • 39 overpasses, • 146 culverts, • Preparation of the EIA report, and • Preparation of the survey, the bill of quantities, and the tender documents