Designing for Sustainable Sanitation: floating toilet case study

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WASH 2011 conference: Judy Hagan, Engineers Without Borders Australia,
Michael Brown, Live and Learn Environmental Education



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  • Thank-you to our community partners. Without them, the project would be impossible.Feedback. If time:MrSokSueng: "Good Sanitation means good MrSokSovann: "My floating toilet is good for my health, is more convenient and private"Mrs Yan Yeoun: "Clean water is important for our health"Ms Lai-Im: Community Liaison Officer"Clean water is the most important thing to our community"PichVongsa: Principle from the PhatSanday Secondary School"Our community wastes money on health care, that we wouldn't need to spend if the water was clean"MrHakleyKe: Teacher at the Secondary School Community Liaison Officer"I want everyone in the community to have a toilet.”
  • I would like to come at the end and make a brief comment to advocate for small funding packages over time that allow innovative development without high expenditure. That these can then make large scale processes possible in challenging environments.
  • Since 2008, Engineers Without Border Australia has been working with Live & Learn Environmental Education Cambodia, partners and the communities of Phat Sanday to assess, research, develop and trial a sanitation response for communities living in one of these challenging environments, the Floating Communities of the Tonle Sap Lake in Cambodia.
  • Designing for Sustainable Sanitation: floating toilet case study

    1. 1. Designing for Sustainable Sanitation: floating toilet case study<br />Judy Hagan<br />Michael Brown<br />Engineers Without Borders Australia<br />Live and Learn Environmental Education<br />
    2. 2. Designing for Sustainable Sanitation<br />Sustainability of affordable sanitation<br />Affordability of sustainable sanitation<br />Sandy soils, high water tables <br />flooding and floating housing<br />We are not done with sanitation design<br />
    3. 3. Floating Communities of Tonle Sap<br />5<br />
    4. 4. Tonle Sap Floating Toilet Project<br />Use this slide as a template for your presentation<br />Presentation Tmplate<br />
    5. 5. Design Approach<br />Goal was to develop sanitation options that are: <br />culturally appropriate, affordable, sustainable<br />Design requirements:<br />local production, local materials and expertise <br />Holistic considerations from the start:<br />gendered, considered whole of cycle, always working towards self-sustaining market delivery<br />
    6. 6. Toilet Design Process<br />
    7. 7. 3 Hole Urine Diversion Desiccation Toilet (UDDT)<br />Faeces collected dry in bucket, ash added, stored for 6 months<br />Urine diverted<br />Wash water diverted - from menstrual hygiene and anal cleansing<br />Consumables: soap, ash, water<br />Materials: cement, bowl from market as cover, pvc pipe, reused buckets, wood or metal frame constructed locally<br />Cost: ~35USD<br />
    8. 8. Floating Community Waste Management Station<br />Built as a demonstration of what is achievable within the Tonle Sap Environment.<br />Designed to:<br />Act as platform for trials of several different treatment methods.<br />Integrate with energy and food production.<br />Desiccation and storage waste treatment process currently under trial.<br />
    9. 9.
    10. 10. Floating Garden<br />Community lead trial using common vegetables.<br />Using the waste management station as a foundation for trial. <br />
    11. 11.
    12. 12. End Goal: Sustainable sanitation for floating communities(and other communities in Challenging Environments)<br />Community lead design and trial<br />UDDT using local materials and methods<br />Waste treatment linked with energy and food production<br />Commercially sustainable<br /><br /><br />Under trial<br />Foundation in place<br />
    13. 13. Partners and Donors<br />Cambodian Ministry of<br /> Rural Development<br />Engineering Institute of Cambodia<br />Royal University of Phnom Penh<br />

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