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  2. WELL Building Standard - Wikipedia

    en.wikipedia.org/wiki/WELL_Building_Standard

    A03 Ventilation Design topic, the WELL assured building to have existing or new mechanical ventilation systems following ASHRAE 62.1-2 or EN standard 16798-1 or AS 1668.2 or CIBSE Guide A: Environmental Design. Naturally ventilation can also be used without mechanical ventilation system if the design follows Natural Ventilation Procedure in ...

  3. Well - Wikipedia

    en.wikipedia.org/wiki/Well

    The quality of the well water can be significantly increased by lining the well, sealing the well head, fitting a self-priming hand pump, constructing an apron, ensuring the area is kept clean and free from stagnant water and animals, moving sources of contamination (pit latrines, garbage pits, on-site sewer systems) and carrying out hygiene ...

  4. Well engineering - Wikipedia

    en.wikipedia.org/wiki/Well_engineering

    Well engineering consists of engineering facilitating the design and construction of a well. It is based on pore pressure , kick tolerance, casing functions, casing design and cementing. It is sometimes related to drilling and petroleum engineering .

  5. Ranney collector - Wikipedia

    en.wikipedia.org/wiki/Ranney_collector

    A Ranney Collector is a type of radial well used to extract water from an aquifer with direct connection to a surface water source like a river or lake. The amount of water available from the collector is typically related more to the surface water source than to the piezometric surface of the aquifer. [1]

  6. Well drainage - Wikipedia

    en.wikipedia.org/wiki/Well_drainage

    Map of a well field for subsurface drainage with radial flow across concentrical cylinders representing the equipotentials. Both systems serve the same purposes, namely water table control and soil salinity control. Both systems can facilitate the reuse of drainage water (e.g. for irrigation), but wells offer more flexibility.

  7. Drawdown (hydrology) - Wikipedia

    en.wikipedia.org/wiki/Drawdown_(hydrology)

    In subsurface hydrogeology, drawdown is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test. In surface water hydrology and civil engineering, drawdown refers to the lowering of the surface elevation of a body of water, the water table, the piezometric surface ...

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