33,5 km double line 250 km/hr high-speed railway between Yerköy – Sivas section of Ankara – Sivas Railway. Supervision includes 6 tunnels with total length 6 km, 9 viaducts with total length 2,1 km, 3 overpasses, 11 underpasses, 25 culverts. Soil Improvements, Engineering Structures, Material Approvals and Progress Payment Control, Quality Control and Quality Assurance, Provisional and Final Acceptance Services.

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