Dams  |  Highways  |  Tunnel Constructions Drinking Water and Wastewater Mains Treatment Karacaoren II. Dam, Energy Tunnel and H.E.P.P. Karacaoren II. Water Intake Structure Karacaoren II. Spillway Structure and Weir Gates Esen II. H.E.P.P. Esen II. Settlement Basin Esen II. Energy Tunnel Esen II. Penstock Pipeline Mersin Lamas H.E.P.P Fethiye - ESEN-1 Hydroelectric Power Plant   Koycegiz Dalyan Highway Koycegiz Dalyan Highway Fethiye - Kalkan II. Phase Highway Adana Seyhan Lake East Crossing Adana Seyhan Lake West Crossing Oman - Thumrait Highway Construction Oman - Thumrait Highway Construction Oman - Thumrait Highway Construction     Oymapinar Dam Diversion Tunnel, Access Roads and Road Tunnels Oymapinar Dam Access Road Tunnels Petkim Aliaga Plant Water Supply Tunnel Izmir Cumhuriyet Dia 2.8m Pressure Tunnel Izmir Bayrakli Dia 2.8m Pressure Tunnel Adana Water Supply System Pressure Tunnels