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  2. Urban runoff - Wikipedia

    en.wikipedia.org/wiki/Urban_runoff

    This causes lowering of the water table (because groundwater recharge is lessened) and flooding since the amount of water that remains on the surface is greater. [3] [4] Most municipal storm sewer systems discharge untreated stormwater to streams, rivers, and bays. This excess water can also make its way into people's properties through ...

  3. Damp (structural) - Wikipedia

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

    [28] [29] The Roman architect Vitruvius referred to the problem of dampness rising up walls and advised on how to construct buildings to avoid the problem. [ 33 ] [ 34 ] Rising damp is widely referred to in Victorian literature and the Public Health Act of 1875 introduced the requirement for a damp-proof course in walls to prevent rising damp ...

  4. Sustainable drainage system - Wikipedia

    en.wikipedia.org/wiki/Sustainable_drainage_system

    Increasing urbanisation has caused problems with increased flash flooding after sudden rain. As areas of vegetation are replaced by concrete, asphalt, or roofed structures, leading to impervious surfaces, the area loses its ability to absorb rainwater. This rain is instead directed into surface water drainage systems, often overloading them and ...

  5. Urban flooding - Wikipedia

    en.wikipedia.org/wiki/Urban_flooding

    One way urban flooding is commonly mitigated is via urban drainage systems, which transport storm water away from streets and businesses and into appropriate storage and drainage areas. While urban drainage systems help municipalities manage flooding and can be scaled up as population and urban extent increase, these systems may not be ...

  6. Damp proofing - Wikipedia

    en.wikipedia.org/wiki/Damp_proofing

    Dampness problems are among the most frequent problems encountered in residences. DPC visible between concrete foundation and brickwork. Damp proofing is defined by the American Society for Testing and Materials (ASTM) as a material that resists the passage of water with no hydrostatic pressure . [ 1 ]

  7. Drop structure - Wikipedia

    en.wikipedia.org/wiki/Drop_structure

    The vertical hard basin drop structure, also called a dissipation wall, is the basic type of drop structure.The vertical hard basin drop consists of a vertical cutoff wall, usually built of concrete, that is usually laid perpendicular to the stream flow, and an impact basin, not unlike a stream pool, to catch the discharged water.

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  9. Water damage - Wikipedia

    en.wikipedia.org/wiki/Water_damage

    While a common cause of residential water damage is often the failure of a sump pump, many homeowner's insurance policies do not cover the associated costs without an addendum which adds to the monthly premium of the policy. Often the verbiage of this addendum is similar to "Sewer and Drain Coverage".