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==Suitable conditions ==
Can drill 2-5 inch wells to 20 meter.
{{procontable | pro=
- Can drill in hard soil <br>
====Manufacturing ====
== Capacity == 2-5 inch wells to 20 meter. == Costs Cost==
In India, the cost of a well made with Rota-sludge is about US$ 30.
In Nicaragua, this varies from US$ 80 to US$ 400.
The cost of introduction varies between US$ 5,000-20,000 per project, including hand-on training, drill set and drilling of test wells.
== Applying conditions Country experiences== {{Joinus}} ==Rota Sludge ManualManuals==
*[http://www.practicafoundation.nl/wp-content/uploads/PDF/Practica%20drilling%20Rs%20versie%201th%20september%2005.pdf Rota-sludge and stone hammer drilling, Part 1, Drilling manual]. Produced by [http://www.practicafoundation.nl PRACTICA Foundation] and [http://www.etc-international.org/index.php?id=41 ETC Foundation].
*[http://www.practicafoundation.nl/wp-content/uploads/PDF/practica-production-rs-versie-1th-september-051.pdf Rota-sludge and stone hammer drilling, Part 2, Production manual]. Produced by [http://www.practicafoundation.nl PRACTICA Foundation] and [http://www.etc-international.org/index.php?id=41 ETC Foundation].
*High quality manuals for Rota-sludge drilling, well digging and other manual drilling and digging methods are available as well from [http://www.connectinternational.nl/english/smartmodules/smart-tec/wells-boreholes/handdrilling Connect International]. They are for free for organizations which are a [http://www.connectinternational.nl/files/membership.pdf member of Connect International] (cost: 50 Euro per year).
== Movie Movies==
* [http://nl.youtube.com/watch?v=MvebFHCjCvk nl.youtube.com/watch?v=MvebFHCjCvk Rota sludge drilling Madagascar January 2008]
== External links ==
* [http://www.practicafoundation.nl www.practicafoundation.nl]
* General info on well drilling [http://www.rwsn.org www.rwsn.org]
* [http://nl.youtube.com/watch?v=MvebFHCjCvk nl.youtube.com/watch?v=MvebFHCjCvk]
* Organisation http://www.waterforallinternational www.waterforallinternational ]
==References==