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Dewatering / d iː ˈ w ɔː t ər ɪ ŋ / is the removal of water from a location. This may be done by wet classification, centrifugation , filtration , or similar solid-liquid separation processes , such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes.
Sump pumps are used where basement flooding may otherwise happen, and to solve dampness where the water table is near or above the foundation of a structure. Sump pumps send water away from a location to any place where it is no longer problematic, such as a municipal storm drain, a dry well, or simply an open-air site downhill from the building (sometimes called "pumping to daylight").
The drainage system collects any water entering the basement and drains it to an internally placed sump pump system, which will then pump the water out of the basement. The Federal Emergency Management Agency (FEMA) recommends basement waterproofing with a water alarm and "battery-operated backup pump" as a preventive measure against the high ...
A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.
Where no dewatering techniques were effective the mine had to be shut down due to flooding. [3] In the 15th century mine dewatering techniques made some technical advancements as the first mechanized wooden pumps were used in the German Rammelsberg mine (Lower Saxony), and later in the Ehrenfriedersdorf (Saxony) mines in the 16th century. [4] [5]
Lawrence "Larry" Janesky is an American businessman, entrepreneur, author and trainer. Janesky is the founder and CEO of Contractor Nation [1] & Basement Systems Inc. [2] He is the co-founder of Total Basement Finishing, Inc., [3] Supportworks, Inc., [4] Dr. Energy Saver, Inc., [5] and Klaus Roofing Systems.
Maintenance of the integrity of the Old River Control Structure, the nearby Morganza Spillway, and other levees in the area is essential to prevent such a diversion. Jeff Masters of Weather Underground noted that failure of that complex "would be a serious blow to the U.S. economy."
Spent backwash water is either discharged without treatment to a sanitary sewer system or is treated and recycled within the plant. [4]: 22.37–22.40 Historically, backwash water was discharged directly to surface water supplies; however, direct discharge is now highly regulated through NPDES discharge permits and is often discouraged.