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Groundwater - Stone hammer well drilling

351 bytes removed, 11:45, 28 July 2007
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== Capacity ==
2-5 inch wells to 40 litres / min from 10 meters depthmeter.
== Costs ==
* US$ 20-120 depending on model60% less then hand dug wells.
== Applying conditions ==
<ul><li><b>Numbers:</b> 50,000 in Nicaragua, 20,000 in Mexico, Honduras, Guatemala, Ghana, Zimbabwe, Tanaznia, Senegal.</li><li><b>Range of depth:</b> 1-35 meter (60 m with two cranks).</li><li><b>Application</b> Communal wells, houshold, irrigation. </li><li><b>Cost of introduction:</b> Variable US$ 1015,000-2030,000 per project, including 20 pumps: production drill set, drawings, engineering and hands-on training. US$ 60,000-100,000 per project, including 1,000 pumps, production workshop and hands-on trainingfirst wells.</li></ul>
== Rope pump building manual ==
Akvouser
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