2 articles
Dam safety features and protective systems
Dam safety features are the engineered elements built into a dam to prevent overtopping and internal erosion, mainly spillways, emergency outlet works, and seepage-control filters and drains.
Overtopping protection
Overtopping protection is the armoring of a dam, most often an earthen embankment, so floodwater flowing over its crest does not erode it and cause a breach.