Kebir Dam, the largest water control project, is located at Tunisia, 8km away from Dabarka City. The main construction in-cludes a dam, impervious corewalls, foundation grouting, a left bank comprehensive tunnel, a water-release tower, a service bridge, etc. With a 64.4 million m3 total water-holding capacity and 10.6 million m3 inactive storage capacity, it can transpo-rt 35 million m3 of water per year.