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  2. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    In the U.S., every plumbing fixture must also be coupled to the system's vent piping. [1] Without a vent, negative pressure can slow the flow of water leaving the system, resulting in clogs, or cause siphonage to empty a trap. The high point of the vent system (the top of its "soil stack") must be open to the exterior at atmospheric pressure.

  3. Damp (structural) - Wikipedia

    en.wikipedia.org/wiki/Damp_(structural)

    Moisture penetration has been an ongoing problem for residences as evaporation occurs at the edge of the damp area, resulting in "tide marks" due to salt deposition. [30] The "tide mark" is commonly distinguished as a feature of rising damp. However, even after the water intrusion has been treated, these salt accumulations still persist. [30]

  4. Water damage - Wikipedia

    en.wikipedia.org/wiki/Water_damage

    Water damage describes various possible losses caused by water intruding where it will enable attack of a material or system by destructive processes such as rotting of wood, mold growth, bacteria growth, rusting of steel, swelling of composite woods, de-laminating of materials such as plywood, short-circuiting of electrical devices, etc.

  5. Drainage law - Wikipedia

    en.wikipedia.org/wiki/Drainage_law

    Typically, a landowner can capture surface water (e.g. by rain barrels or dams) as well, and lower landowners will not have a cause of action unless the diversion is malicious. [2] This rule is followed by approximately half of the U.S. states, although some states have modified the doctrine to hold landowners liable for negligent damage to ...

  6. Effluent sewer - Wikipedia

    en.wikipedia.org/wiki/Effluent_sewer

    An alternative effluent sewer which is similar to the STEG system is the STEP system. Because of the vast reduction of solid wastes and the capture of fats, oils and grease (FOG) within the interceptor tank, a pumping system can be used to move the wastewater under pressure rather than a gravity driven conveyance system.

  7. Flood management - Wikipedia

    en.wikipedia.org/wiki/Flood_management

    Flooding has many impacts. It damages property and endangers the lives of humans and other species. Rapid water runoff causes soil erosion and concomitant sediment deposition elsewhere (such as further downstream or down a coast). The spawning grounds for fish and other wildlife habitats can become polluted or completely destroyed.

  8. 2005 levee failures in Greater New Orleans - Wikipedia

    en.wikipedia.org/wiki/2005_levee_failures_in...

    The strength of Hurricane Ida on August 29, 2021––exactly 16 years later––forced a considerable amount of water towards New Orleans and the system performed as designed. [51] The surge heights and direction of the surge was different than in Hurricane Katrina and it is noted that the mayor of New Orleans did not order a mandatory ...

  9. Two-stage drainage ditch - Wikipedia

    en.wikipedia.org/wiki/Two-stage_drainage_ditch

    Cross Sectional Diagram of a Two Stage Drainage Ditch . A drainage ditch is a depression in the land created to channel water.Drainage ditches are typically formed around low-lying areas, roadsides or fields proximate to a water body or created to channel water from a more distant water source for the purpose of plant irrigation.

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