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  2. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal. Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage .

  3. Drainage - Wikipedia

    en.wikipedia.org/wiki/Drainage

    Point drainage, which intercepts water at gullies (points). Gullies connect to drainage pipes beneath the ground surface, so deep excavation is required to facilitate this system. Support for deep trenches is required in the shape of planking, strutting or shoring. Channel drainage, which intercepts water along the entire run of the channel.

  4. Tile drainage - Wikipedia

    en.wikipedia.org/wiki/Tile_drainage

    Surface drainage: Facilitated by ditches and by maintaining natural channels to allow water to move downward by the force of gravity. Subsurface drainage: Built by burying pipes underground to remove excess water from the soil profile. Subsurface drainage is widely used by farmers. It has many advantages: [5]

  5. Drain-waste-vent system - Wikipedia

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

    A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

  6. French drain - Wikipedia

    en.wikipedia.org/wiki/French_drain

    Cross-section view showing French drain with two underground pipes. Depending on the expected level and volume of rainwater or runoff, French drains can be widened or also fitted on two or three underground drainpipes. Multiple pipes also provide for redundancy, in case one pipe becomes overfilled or clogged by a rupture or defect in the piping.

  7. Sanitary manhole - Wikipedia

    en.wikipedia.org/wiki/Sanitary_manhole

    A sanitary manhole under construction. A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system.

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