An inverted enclosed pipeline structure that conveys water under roads, drainage channels, rivers, etc.

Reinforced concrete buttresses proportioned to transfer the water load to the foundation rock through individual buttress footings, using the weight of the impounding water and the […]

A hydraulic gate that operates in vertical guides and has no wheels, rollers, or other friction-reducing devices. Normally, such a gate must be opened or closed […]

An opening for releasing water from below the static head elevation of an impoundment. Usually equipped with a gate to control the flow and sometimes used […]

A structure over or through which flow is discharged from a reservoir. If the rate of flow is controlled by mechanical means, such as gates, it […]

A structure composed of vertical support bars or frames typically made of steel or concrete. A stanchion may be part of gate system and houses the […]

A narrow length of wood with a slightly bevelled edge to form the sides of barrels, tanks, tubs, vats and pipelines. In hydropower, wood stave pipelines […]

A basin constructed to dissipate the energy of rapidly flowing water, e.g., from a spillway or outlet, and to protect the riverbed from erosion or to […]

Large logs, timbers, or steel beams placed on top of each other with their ends held in guides on each side of a channel or conduit […]