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A drop structure, also known as a grade control, sill, or weir, is a manmade structure, typically small and built on minor streams, or as part of a dam's spillway, to pass water to a lower elevation while controlling the energy and velocity of the water as it passes over.
The broad crested weir at the Thorp grist mill in Thorp, Washington, US. Commonly, weirs are used to prevent flooding, measure water discharge, and help render rivers more navigable by boat. In some locations, the terms dam and weir are synonymous, but normally there is a clear distinction made between the structures. Usually, a dam is designed ...
Spring Creek Dam: Central West: Spring Creek: Minor embankment: Water supply: 4,680 1.03 × 10 9: 1.24 × 10 9: Stephens Creek Dam: Stephens Creek Reservoir: Far West: Stephens Creek: Gravity: Water supply: 2,000 440 × 10 ^ 6: 530 × 10 ^ 6: Suma Park Dam: Suma Park Reservoir
The reconstructed dam is designed to handle 108,000 cubic feet per second, water company officials said. ... A worker puts the final touches on the surface of a labyrinth weir on the dam that will ...
Dam [1] Height Year removed Location Watercourse Watershed Notes Nashville Zoo Dam Weir 1 4 ft (1.2 m) 2017 Nashville: Cathy Jo Branch: Cumberland River: Owned by the Nashville Zoo at Grassmere. Nashville Zoo Dam Weir 2 4 ft (1.2 m) 2017 Nashville
In hydraulic engineering, a nappe is a sheet or curtain of water that flows over a weir or dam. The upper and lower water surface have well-defined characteristics that are created by the crest of a dam or weir. [1] Both structures have different features that characterize how a nappe might flow through or over impervious concrete structures. [2]
Trying to remember the name of a novel (Victorian?) which prominently features a weir. I think one of the lead characters is killed on one. Drutt 17:43, 28 June 2009 (UTC) The Weir is a play written by Conor McPherson in 1997. It was first produced at The Royal Court Theatre Upstairs in London, England, on 4 July 1997.
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