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Sumps often block access to "dry" passage beyond them. Diagram B shows a "perched" sump, which could be siphoned to lower the water level. A sump, or siphon, is a passage in a cave that is submerged under water. [1] A sump may be static, with no inward or outward flow, or active, with continuous through-flow.
In mining the term sump is used to describe a hole made in the floor of a level in a working, in the direction of a lower level either for the purpose of testing the trend of an ore vein, or for the purpose of ventilation. The equivalent of a sump on a boat is the bilge. In the human eye, the vitreous humour has a minor role as a metabolic sump ...
Sump pits are also placed at suitable intervals for installation of centrifugal pumps to remove the water collected in an efficient manner. [2] In fine sands and silts, there may be sloughing, erosion or quick conditions. For such type of soils the method is confined to a depth of 1 to 2 m.
A sump in a basement can be built in dry well form, allowing the sump pump to cycle less frequently (handling only occasional peak demand). A French drain can resemble a horizontal dry well that is not covered. A larger open pit or artificial swale that receives stormwater and dissipates it into the ground is called an infiltration basin or ...
A pit cave, shaft cave or vertical cave—or often simply called a pit (in the US) and pothole or pot (in the UK); jama in Slavic languages scientific and colloquial vocabulary (borrowed since early research in the Western Balkan Dinaric Alpine karst)—is a type of cave which contains one or more significant vertical shafts rather than being ...
Ellison's Cave is a pit cave located in Walker County, on Pigeon Mountain in the Appalachian Plateaus of Northwest Georgia. It is the 12th deepest cave in the United States and features the deepest unobstructed pit in the continental US, named Fantastic Pit. The cave is over 12 miles (19.31 km) long and extends 1063 feet (324 m) vertically.
A further criterion for sump planning is accounting for the pump capacity. The relationship of pump capacity and sump size is inverse. If the pump capacity is low, the volume of the sump should be larger than average. It is critical for the volume of the sump to be able to store the expected leachate between pumping cycles.
The Berkeley Pit is a low spot and acts like a sump for contaminated water. For this reason, it is currently an active part of the remedy for this operable unit. [3] A pilot water treatment project was initiated in 2019. It began treating and releasing Berkeley Pit water into Silver Bow Creek at the confluence with Blacktail Creek.