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  2. Downspout - Wikipedia

    en.wikipedia.org/wiki/Downspout

    A downspout, waterspout, [1] downpipe, drain spout, drainpipe, [2] roof drain pipe, [3] or leader is a pipe for carrying rainwater from a rain gutter. The purpose of a downspout is to allow water from a gutter to reach the ground without dripping or splashing down the building structure. Downspouts are usually vertical and usually extend down ...

  3. Rain gutter - Wikipedia

    en.wikipedia.org/wiki/Rain_gutter

    The water drains into a gutter that is fed into a downpipe. A flat roof should have a watertight surface with a minimum finished fall of 1 in 80. They can drain internally or to an eaves gutter, which has a minimum 1 in 360 fall towards the downpipe. [7] The pitch of a pitched roof is determined by the construction material of the covering. For ...

  4. Blue roof - Wikipedia

    en.wikipedia.org/wiki/Blue_roof

    A blue roof is a roof of a building that is designed explicitly to provide initial temporary water storage and then gradual release of stored water, typically rainfall. . Blue roofs are constructed on flat or low sloped roofs in urban communities where flooding is a risk due to a lack of permeable surfaces for water to infiltrate, or seep back into the gr

  5. Drain-waste-vent system - Wikipedia

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

    A drain-waste-vent system (or DWV) is the combination of pipes and plumbing fittings that captures sewage and greywater within a structure and routes it toward a water treatment system. It includes venting to the exterior environment to prevent a vacuum from forming and impeding fixtures such as sinks, showers, and toilets from draining freely ...

  6. Stormwater detention vault - Wikipedia

    en.wikipedia.org/wiki/Stormwater_detention_vault

    A stormwater detention system during installation beneath a parking lot. A stormwater detention vault is an underground structure designed to manage excess stormwater runoff on a developed site, often in an urban setting. This type of best management practice may be selected when there is insufficient space on the site to infiltrate the runoff ...

  7. List of commercially available roofing materials - Wikipedia

    en.wikipedia.org/wiki/List_of_commercially...

    Tile roofing traditionally consists of locally available materials such as clay, granite, terracotta or slate, though many modern applications contain concrete. Imbrex and tegula, style dating back to ancient Greece and Rome. Monk and nun, a style similar to Imbrex and tegula, but basically using two Imbrex tiles. Dutch roof tiles, Netherlands.

  8. Watertable control - Wikipedia

    en.wikipedia.org/wiki/Watertable_control

    In geotechnical engineering, watertable control is the practice of controlling the height of the water table by drainage.Its main applications are in agricultural land (to improve the crop yield using agricultural drainage systems) and in cities to manage the extensive underground infrastructure that includes the foundations of large buildings, underground transit systems, and extensive ...

  9. Sustainable drainage system - Wikipedia

    en.wikipedia.org/wiki/Sustainable_drainage_system

    Sustainable drainage system. Retention ponds such as this one in Dunfermline, Scotland, are considered components of a sustainable drainage system. Sustainable drainage systems (also known as SuDS, [1] SUDS, [2][3] or sustainable urban drainage systems[4]) are a collection of water management practices that aim to align modern drainage systems ...

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