143 km double line 250 km/hr high-speed railway between Yerköy - Sivas section of Ankara - Sivas Railway. Supervision includes
43,26 km 2 x 2 roads in earthquake zones of Sakarya – Kocaeli – Düzce. Soil Works, Engineering Structures, Sea and Creek Fortifications, Bored Piles, Bridges, Tunnels, Sub-foundations, Plant-Mix Foundation and Bituminous Hot Mix. Project Management, Construction Supervision, Material Approvals and Progress Payment Control, Quality Control and Quality Assurance, Provisional and Final Acceptance Services.