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  2. Cured-in-place pipe - Wikipedia

    en.wikipedia.org/wiki/Cured-in-place_pipe

    The process of CIPP involves inserting and running a felt lining into a preexisting pipe that is the subject of repair. Resin within the liner is then exposed to a curing element to harden it and make it attach to the inner walls of the pipe. Once fully cured, the lining now acts as a new pipeline.

  3. Trenchless technology - Wikipedia

    en.wikipedia.org/wiki/Trenchless_technology

    Pipe replacement by pipe bursting. Trenchless rehabilitation includes such construction methods as spiral wound lining, sliplining, thermoformed pipe, pipe bursting, shotcrete, gunite, cured-in-place pipe (CIPP), grout-in-place pipe, mechanical spot repair, and other methods for the repair, rehabilitation, or replacement of existing buried pipes and structures without excavation, or at least ...

  4. Drain cleaner - Wikipedia

    en.wikipedia.org/wiki/Drain_cleaner

    A drain cleaner, also known as drain opener, refers to a person, device, or product used to unblock sewer pipes or clear clogged wastewater drains.This term typically applies to chemical, enzymatic, or mechanical tools such as commercial chemical cleaners, plumber’s snakes, drain augers, bio-enzyme solutions, or toilet plungers.

  5. Internal erosion - Wikipedia

    en.wikipedia.org/wiki/Internal_erosion

    It is possible for water flow to cause the sides of the pipe to swell, closing it and thus limiting erosion. [7] Additionally, if the soil lacks sufficient cohesion to maintain a crack, the crack will collapse and concentrated leak erosion will not progress to a breach. [8] Cracks that allow concentrated leaks can arise due to many factors ...

  6. French drain - Wikipedia

    en.wikipedia.org/wiki/French_drain

    Multiple pipes also provide for redundancy, in case one pipe becomes overfilled or clogged by a rupture or defect in the piping. A pipe might become overfilled if it is on a side of the drain which receives a much larger volume of water, such as one pipe being closer to an uphill slope, or closer to a roofline that drips near the French drain.

  7. Douglas hopes to repair culvert sinkhole on Ferry Street by ...

    www.aol.com/douglas-hopes-repair-culvert...

    The approvals allow city engineers to begin accepting bids, in hopes of starting work as early as February, weather permitting. In a post on Facebook, officials said the goal is to complete the ...

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