Guidelines for small dams: conclusion
Small dams have many specific features, at every stage in their life: preliminary studies, design, construction, and later surveillance. If we are to be perfectly strict, two types of specific features should be distinguished.
Cost savings in dams: low dams
Worldwide there are 3 000 dams higher than 60 m and 100 more are completed annually, mainly in rockfill or concrete (or RCC). Most are gated and founded on rock; their cost is usually over USD 100 million.