1. DAMS Dams are built for one or more of the following purposes: Irrigation Irrigation Flood Control Flood Control Power Generation Power Generation Water Supply Water Supply

2. Types of Dams Classification according to height: Classification according to height: 1. Low dams up to 15m height 2. Medium dams up to 90 m height 3. High dams > 90 m height

3. Classification according to building material: Classification according to building material: 1. Concrete gravity dams Concrete Gravity Dam

4. 2. Concrete Arch Dam Concrete Arch Dam

5. 3. Earthfill Dam Clay Core Earthfill Dam Sand & Gravel

6. 4. Rockfill Dam Rockfilll Dam Broken Rocks