Design and construction of a complex of hydraulic structures to protect the city of Baghdad from being flooded by the waters of the Tigris River, including spillways, which are among the largest in the world in terms of throughput, with an estimated flow rate of 600 m³/s and 1000 m³/s – for sections Lake Tharthar – River Euphrates and Lake Tharthar – River Tigris, respectively. 1976-1985 for a total of 300 million USD