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  2. Pipe insulation - Wikipedia

    en.wikipedia.org/wiki/Pipe_insulation

    Pipe insulation cannot prevent the freezing of standing water in pipework, but it can increase the time required for freezing to occur—thereby reducing the risk of the water in the pipes freezing. For this reason, it is recommended to insulate pipework at risk of freezing, and local water-supply regulations may require pipe insulation be ...

  3. Fibre-reinforced plastic tanks and vessels - Wikipedia

    en.wikipedia.org/wiki/Fibre-reinforced_plastic...

    FRP tanks and vessels designed as per BS 4994 are widely used in the chemical industry in the following sectors: chlor-alkali manufacturers, fertilizer, wood pulp and paper, metal extraction, refining, electroplating, brine, vinegar, food processing, and in air pollution control equipment, especially at municipal waste water treatment plants and water treatment plants.

  4. Pipe bursting - Wikipedia

    en.wikipedia.org/wiki/Pipe_bursting

    Pipe bursting is a trenchless method of replacing buried pipelines (such as sewer, water, or natural gas pipes) without the need for a traditional construction trench. "Launching and receiving pits" replace the trench needed by conventional pipe-laying.

  5. Ground freezing - Wikipedia

    en.wikipedia.org/wiki/Ground_freezing

    Each white lump marks the top of a deep ground-freezing tap. Cross section of a ground freezing pipe as used in the Big Dig. Ground freezing is a construction technique used in circumstances where soil needs to be stabilized so it will not collapse next to excavations, or to prevent contaminants spilled into soil from being leached away. [1 ...

  6. Plumbing - Wikipedia

    en.wikipedia.org/wiki/Plumbing

    PVC/CPVC – rigid plastic pipes similar to PVC drain pipes but with thicker walls to deal with municipal water pressure, introduced around 1970. PVC stands for polyvinyl chloride, and it has become a common replacement for metal piping. PVC should be used only for cold water, or for venting. CPVC can be used for hot and cold potable water supply.

  7. Water tank - Wikipedia

    en.wikipedia.org/wiki/Water_tank

    An elevated water tank, also known as a water tower, will create a pressure at the ground-level outlet of 1 kPa per 10.2 centimetres (4.0 in) or 1 psi per 2.31 feet (0.70 m) of elevation. Thus a tank elevated to 20 metres creates about 200 kPa and a tank elevated to 70 feet creates about 30 psi of discharge pressure, sufficient for most ...

  8. Frost line - Wikipedia

    en.wikipedia.org/wiki/Frost_line

    The frost line—also known as frost depth or freezing depth—is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and adjacent materials, and on nearby heat sources.

  9. Water tower - Wikipedia

    en.wikipedia.org/wiki/Water_tower

    Beaumont St. Louis and San Francisco Railroad Water Tank (1875, restored 2012), Beaumont, Kansas, US. Although the use of elevated water storage tanks has existed since ancient times in various forms, the modern use of water towers for pressurized public water systems developed during the mid-19th century, as steam-pumping became more common, and better pipes that could handle higher pressures ...

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