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The dam's spillway is a concrete overflow structure to the left side, equipped with nine openings each 15 feet (4.6 m) wide and 28 feet (8.5 m) high, able to pass a flow exceeding 30,000 cubic feet per second (850 m 3 /s). This spillway has only been used a few times, such as the floods of 1938, 1969, 1983, 1998, 2005 and 2011.
The project envisioned a 218-foot (66 m) concrete gravity dam, 700 feet (210 m) wide, and a 5,680-foot (1,730 m) wide earthfill dike. The dam was to have a gated overflow spillway in the concrete section. The reservoir was projected at 3,480-acre (1,410 ha), holding 338,000-acre-foot (0.417 km 3). The reservoir was projected to inundate fertile ...
Chute spillway of Llyn Brianne dam in Wales. A spillway is a structure used to provide the controlled release of water downstream from a dam or levee, typically into the riverbed of the dammed river itself. In the United Kingdom, they may be known as overflow channels. Spillways ensure that water does not damage parts of the structure not ...
The 75-miles dam near Warwick, Australia, was possibly the world's first concrete arch dam. Designed by Henry Charles Stanley in 1880 with an overflow spillway and a special water outlet, it was eventually heightened to 10 m (33 ft).
Hiwassee Dam is a concrete, gravity-overflow dam 307 feet (94 m) high and 1,376 feet (419 m) long, and has a generating capacity of 185,000 kilowatts. [10] The dam's spillway is controlled by seven radial gates, which, along with four regulating conduits at the bottom of the dam, give the dam a total maximum discharge of 112,000 cubic feet per ...
A concrete overflow spillway on the west side prevents overtopping and drains to the San Antonio and Chino Creek channels, which were lined with concrete between 1956 and 1960 to protect against such an event. [2] A project has been underway since 2012 to remediate seepage problems at the toe of the dam during heavy rainstorms.
Gated concrete overflow: Spillway capacity: 80,000 cu ft/s ... (officially the Samuel B. Morris Dam) is a concrete gravity dam across the San Gabriel River in the U.S ...
The dam's spillway is a concrete overflow "ski-jump" type situated adjacent to the dam and has a maximum discharge of 11,500 cubic feet per second (330 m 3 /s). [1] [2] The dam utilizes a concrete intake tower (connected via footbridge to the mainland), where water is diverted into a tunnel and carried downstream. [1]