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  2. Sliplining - Wikipedia

    en.wikipedia.org/wiki/Sliplining

    Sliplining is a technique for repairing leaks or restoring structural stability to an existing pipeline.It involves installing a smaller, "carrier pipe" into a larger "host pipe", grouting the annular space between the two pipes, and sealing the ends.

  3. Cost database - Wikipedia

    en.wikipedia.org/wiki/Cost_database

    The most basic element of a cost estimate and therefore the cost database is the estimate line item or work item. [3] An example is "Concrete, 4000 psi (30 MPa)," which is the description of the item. In the cost database, an item is a row or record in a table (of items) and the description is a column or field for that record.

  4. Cured-in-place pipe - Wikipedia

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

    As one of the most widely used rehabilitation methods, CIPP has applications in sewer, water, gas, chemical and district heating pipelines ranging in diameter from 0.1 to 2.8 meters (2–110 inches). The process of CIPP involves inserting and running a felt lining into a preexisting pipe that is the subject of repair.

  5. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    Map of London sewer network, late 19th century Sewerage (or sewage system ) is the infrastructure that conveys sewage or surface runoff ( stormwater , meltwater , rainwater ) using sewers. It encompasses components such as receiving drains , manholes , pumping stations , storm overflows, and screening chambers of the combined sewer or sanitary ...

  6. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    The decision to build a combined sewer system or two separate systems is mainly based on the need for sewage treatment and the cost of providing treatment during heavy rain events. Many cities with combined sewer systems built their systems prior to installing sewage treatment plants, and have not subsequently replaced those sewer systems. [2]

  7. City sewer rates could hike 4% over next four years to pay ...

    www.aol.com/city-sewer-rates-could-hike...

    In total, costs for the first phase of a new modular plant are estimated at $120 million. An entirely new plant could cost more than $300 million. Mumm said FCS Group seriously considered two ...

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