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Handpumps

96 bytes added, 18:16, 12 April 2012
→‎Suitable conditions
Overall, it seems sensible that handpumps should be installed only when a viable sustainable handpump option has been shown to work in the area.
Direct action handpumpThe ranges over which water can be lifted are grouped in the following categories: * Range of depth: 0–12 m.Suction pumps 0 - 7 metres* Low lift pumps 0 - 15 metres* Direct action pumps 0 - 15 metres* Yield: Intermediate lift pumps 0.25–0.42 litres/s at 12 m depth.- 25 metres* Area of use: Rural and lowHigh lift pumps 0 -income periurban areas45 metres, where groundwater tables are within 12m of the surface.or more
==Construction, operations and maintenance==
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