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Rescue boats designed for rescue and recovery from low head dams. Even though the water around weirs can often appear relatively calm, they can be extremely dangerous places to boat, swim, or wade, as the circulation patterns on the downstream side—typically called a hydraulic jump —can submerge a person indefinitely.
"The low head dam is a dangerous obstacle in the waterway on a good day," Eugene Springfield Fire Chief Mike Caven said. "With cold water, changing flows and debris caught on the dam, it is much ...
A lawsuit accusing officials of failure to mark a dangerous low-head dam is over, at least for now, after the court ruled the plaintiffs failed to meet the heightened requirements set by a 2021 ...
Some of the most dangerous types of holes are formed by low-head dams , and similar types of obstructions. In a low-head dam, the 'hole' has a very wide, uniform structure with no escape point, and the sides of the hydraulic (ends of the dam) are often blocked by a man-made wall, making paddling around, or slipping off, the side of the ...
Bosher's Dam is a historic low head dam (also called a weir) built upon the James River just west of Richmond, Virginia.It is a 12-foot-high stone structure which interrupts the natural flow of Virginia's largest self-contained river by spanning the waterway between suburban Tuckahoe in Henrico County and the western part of Richmond just west of the Edward E. Willey Bridge.
Rescue crews with Eugene Springfield Fire saved a person from the low-head dam in Glenwood on Saturday, the latest in a string of close calls at similar dams in the Willamette River and across Oregon.
Low-head dams and weirs do not produce harmful methane. Groynes but also weirs prevent the transport of silt (sediment) downstream to fertilize fields [5] and to move sediment towards the oceans. Low-head hydropower is typically installed close to areas where the energy is needed, preventing the need for large electrical transmission lines.
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