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  2. French drain - Wikipedia

    en.wikipedia.org/wiki/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. The perforated pipe is called a weeping tile (also called a drain tile or ...

  3. Percolation trench - Wikipedia

    en.wikipedia.org/wiki/Percolation_trench

    A percolation trench, also called an infiltration trench, is a type of best management practice (BMP) that is used to manage stormwater runoff, prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake or bay. It is a shallow excavated trench filled with gravel or crushed stone that is designed to ...

  4. Trench drain - Wikipedia

    en.wikipedia.org/wiki/Trench_drain

    A trench drain (also channel drain, line drain, slot drain, linear drain, or strip drain) is a specific type of floor drain containing a dominant trough- or channel-shaped body. It is used for the rapid evacuation of surface water or for the containment of utility lines or chemical spills. Employing a solid cover or grating that is flush with ...

  5. Septic drain field - Wikipedia

    en.wikipedia.org/wiki/Septic_drain_field

    A septic drain field, a septic tank, and associated piping compose a septic system. The drain field typically consists of an arrangement of trenches containing perforated pipes and porous material (often gravel) covered by a layer of soil to prevent animals (and surface runoff) from reaching the wastewater distributed within those trenches. [1]

  6. Trench coat - Wikipedia

    en.wikipedia.org/wiki/Trench_coat

    A trench coat is a variety of coat made of waterproof heavy-duty fabric, [1] originally developed for British Army officers before the First World War, and becoming popular while used in the trenches, hence the name trench coat. Originally made from gabardine, a worsted wool fabric waterproofed using lanolin before weaving, [2] the traditional ...

  7. Vitrified clay pipe - Wikipedia

    en.wikipedia.org/wiki/Vitrified_clay_pipe

    Vitrified clay pipe. Vitrified clay pipe (VCP) is pipe made from a blend of clay and shale that has been subjected to high temperature to achieve vitrification, which results in a hard, inert ceramic. VCP is commonly used in gravity sewer collection mains because of its long life and resistance to almost all domestic and industrial sewage ...

  8. Tile drainage - Wikipedia

    en.wikipedia.org/wiki/Tile_drainage

    Tile drainage. Tile drainage is a form of agricultural drainage system that removes excess sub-surface water from fields to allow sufficient air space within the soil, proper cultivation, and access by heavy machinery to tend and harvest crops. While surface water can be drained by pumping, open ditches, or both, tile drainage is often the most ...

  9. Trench - Wikipedia

    en.wikipedia.org/wiki/Trench

    A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole or pit). [1] In geology, trenches result from erosion by rivers or by geological movement of tectonic plates.

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