Istanbul - Melen System, Bosphorus Tunnel Completion Construction
Istanbul - Melen System, Cumhuriyet Header Tank - Transmission Main
Adana - Water Supply System Pressure Tunnels
Izmir – Bayraklı Dia. 2.8m Pressure Tunnel
Izmir – Cumhuriyet Dia. 2.8m Pressure Tunnel
Antalya – Oymapınar Dam Diversion Tunnel, Access Roads and Road Tunnels
Antalya – Oymapinar Dam Access Road Tunnels
Izmir – Petkim Aliaga Plant Water Supply Tunnel
