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Global Engineering Challenge

Global Engineering Challenge. Cost Effective Rain Water Collection and Storage Solutions. By Josie, Alex, Jagnesh , Justin, Steve and Matt. Devikulam – Tamil Nadu, India. http://www.ewb.org.au/explore/initiatives/2011ewbchallenge. http://www.buzza.in/Gramap2/Devikulam_information.html.

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Global Engineering Challenge

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  1. Global Engineering Challenge Cost Effective Rain Water Collection and Storage Solutions By Josie, Alex, Jagnesh, Justin, Steve and Matt

  2. Devikulam – Tamil Nadu, India http://www.ewb.org.au/explore/initiatives/2011ewbchallenge

  3. http://www.buzza.in/Gramap2/Devikulam_information.html

  4. photos fromhttp://www.buzza.in/Gramap2/Devikulam_photos.htmlinfo fromhttp://vista.shef.ac.uk/webct/urw/lc19897.tp0/cobaltMainFrame.dowebcthttp://vista.shef.ac.uk/webct/urw/lc19897.tp0/cobaltMainFrame.dowebct (survey)http://vista.shef.ac.uk/webct/ContentPageServerServlet/briefs/resources/Devikulam_Taps.pdfhttp://vista.shef.ac.uk/webct/ContentPageServerServlet/briefs/resources/Devikulam_Map.pdf

  5. INITIAL IDEAS http://www.unep.or.jp/ietc/publications/urban/urbanenv-2/9.asp http://www.sintex.in/solutions.html

  6. Options: Tank Construction • Bamboo Tank -sustainable: recycle bamboo baskets • skill for the villagers • -varying capacities • -bamboo plantation far from village • -relatively expensive • -bamboo is slow to mature • Jars -sustainable: skill for villagers • local / readily available materials • -form of income • -reusable moulds • -varying capacity/heights • -heavy / hard to move • -danger of stale water

  7. Jar being made Info. and Pictures from: http://www.wateraid.org/

  8. Options: Guttering Materials Galvanised Steel -long life -corrosion can be overcome -recyclable / reusable -more distributors / manufacturers -heavier -relatively expensive -water that runs down steel guttering is cleaner PVC -cheap -lightweight -less weather resistance -very difficult to recycle, it is a thermoset polymer -harder to attach -much shorter life span Wood -has a short lifespan -not a very clean form of guttering

  9. Gutter Setup

  10. Options: Filter Materials Pebbles -cleaner water -not sufficient on its own Gravel -prevents clogging of pipes with larger obstructions -not sufficient on its own Sand -pre filter for particulates -not sufficient on its own Charcoal -absorbs agro-chemical contaminants -need a large amount per person / litre (4.5kg per person per year) - readily available in villages These will be combined to make the filter as it will be very cheap

  11. Example of a Filter System

  12. Our Final Solution • Galvanised steel guttering • ‘Jar’ storage tanks • Sand, Charcoal, Gravel filter • Hand pump

  13. Our Final Solution http://www.nabuur.com/en/village/nakyerongosa/project/task/domestic-rainwater-harvesting-through-construction-water-jars

  14. Costing and Future Planning The initial cost of the materials needed to build the rain-harvesting mechanism for each house.

  15. Aims and Benefits • Convenience • Safe water with adequate sanitation. • The possibility of maintenance by village workers • Have scheduled maintenance instead of breakdown maintenance. • Ensure this development boosts their livelihood by creating commerce, industry and developments for everyone in Devikulam. Reference Community Water Supply; The handpump Option, Rural Water Supply Project.  UNDP/World Bank ISBN 08213-0850 1986. http://www.wateraid.org/uk/what_we_do/sustainable_technologies/technology_notes/244.asp http://villageearth.org/appropriate-technology/appropriate-technology-sourcebook/water-supply-and-sanitation

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