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Construction Process Friendly Water for the World Olympia Training 2013 |
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Disclaimer This collection of photos is not intended to be a complete set, or an authoritative set. It is simply a bunch of photos I was able to take at various times in the process. Anyone may feel free to use any of these photos in other contexts, and I welcome additions to this set, that would make it more complete. |
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I've made an attempt to to correlate the photos with the Stage numbers in
the CAWST manual I welcome any corrections or additions |
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A. Set up a production site B. Find sand and gravel |
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C. Sieve the sand and gravel |
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D. Wash the filtration sand and gravel |
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E1. Prepare the mold |
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Lubricating the mold |
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Assemble the mold |
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Fasten the bottom bolts first |
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Tape the end of the outlet hose |
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Cut the hose that will lie at the bottom of the filter |
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Cover, tape, and plug the hose |
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E2. Pour the filter Level the mold |
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Measure the ingredients for the concrete |
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Mix the concrete by rolling the tarp |
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Fill the mold with concrete |
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All the while pounding the daylights out of the mold |
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Smooth the concrete |
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Juting (sp?) |
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Cleanup |
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E3. Remove filter from mold Extract the filter bottom |
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Remove the bolts |
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Collect the bolts |
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Remove the inner mold |
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Retrieve wood plug from hose (long arm preferred) |
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Remove outlet plate |
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E4. Finish concrete container Cut the umbilical |
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Fill filter with water Check for leaks |
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E5. Make the filter look nice Here, a filter decorated by Noah's class at school |
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F. Make the diffuser G. Make the lid |
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H. Install filter Charge the filter |
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Cleansing the tube |
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I. Educate the user J. Follow up with the user |
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Test the water |
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Biosand Filter index Lee's home page |
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