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  2. Trench drain - Wikipedia

    en.wikipedia.org/wiki/Trench_drain

    Pre-cast trench drains generally come in 4-inch (100 mm) widths but can range anywhere from a 1.75-inch (44 mm) slot to 2-inch (51 mm) wide channels with grates, and up to any size imaginable through custom trench drain divisions.

  3. French drain - Wikipedia

    en.wikipedia.org/wiki/French_drain

    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.

  4. Slot drain - Wikipedia

    en.wikipedia.org/wiki/Slot_drain

    If the grates are not suitable for heavy loads, [3] the drains could quickly deteriorate, accidents could happen when traveling across the area with a forklift, vehicle, pallet truck, cart or pedestrians. The grates increase the risk of personal injury and result in lost time. The slot drain concept was first introduced to solve such problems.

  5. Plumbing & Drainage Institute - Wikipedia

    en.wikipedia.org/wiki/Plumbing_&_Drainage_Institute

    This assistance is provided by members of the PDI Engineering Committee and by other PDI affiliates. PDI has been active on Panels 6, 14, 21, and 26, of the A-112 Committee for a number of years and its Executive Director sits on the A-112 Main Committee. This is the consensus group for ANSI (American National Standards Institute). [1]

  6. Drain (plumbing) - Wikipedia

    en.wikipedia.org/wiki/Drain_(plumbing)

    A drain cover is a cover with holes (e.g. a manhole) or a grating used to cover a drain, to prevent unwanted entry of foreign objects, or injury to people or animals. It allows drainage of liquids but prevents entry from large solid objects, and thus acts as a coarse filter. A sink drain cover is a drain cover used to cover the sink drain.

  7. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    Pipelines range in size from pipes of 125 millimetres (4.9 in) in diameter up to 280 millimetres (11 in) in diameter. Vacuum sewer systems use differential atmospheric pressure to move the liquid to a central vacuum station. [10]

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