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SustSan workshop: Principles of Sustainable Sanitation by Tandiwe Erlmann
 

SustSan workshop: Principles of Sustainable Sanitation by Tandiwe Erlmann

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    SustSan workshop: Principles of Sustainable Sanitation by Tandiwe Erlmann SustSan workshop: Principles of Sustainable Sanitation by Tandiwe Erlmann Presentation Transcript

    • Principles of Sustainable Sanitation More information at www.sswm.info Principles of Sustainable Sanitation seecon international gmbh Tandiwe Erlmann Ljubljana, Slovenia, April 4th 2014
    • Principles of Sustainable Sanitation More information at www.sswm.info What is sanitation? Let’s brainstorm
    • Principles of Sustainable Sanitation More information at www.sswm.info Sanitation Ladder Sustainable Sanitation No Toilets Open Defecation Basic Sanitation Reduces immediate risk of pathogen exposure, but inadequate/no treatment and environmental pollution (pit latrine, septic tank) Environmental Sanitation Sanitation system with exposure control, treatment and pollution prevention (wastewater treatment plant) Ecological Sanitation Sanitation system with exposure control, pollution prevention, nutrient reuse, resource conservation (UDDT, biogas, constructed wetlands) MDG Target Sustainability is a process rather than a stage to reach
    • Principles of Sustainable Sanitation More information at www.sswm.info What is Sustainable Sanitation? •  financially & economically viable, Financial & Economic Issues •  are socially acceptable & institutionally appropriate, Soc.-Cultural & Inst. Aspects Health, Hygiene & Nutrition •  protect and promote human health, hygiene & nutrition for all, •  are technically & operationally appropriate in the long term. Technology & Operation Environment & Natural Resources •  protect the environment & natural resources, and Sustainable sanitation systems:
    • Principles of Sustainable Sanitation More information at www.sswm.info Sustainability Criteria: Health, Hygiene & Nutrition •  risk reduction in exposure to pathogens and hazardous substances (at all points of the sanitation system) •  improvement of hygiene, nutrition (contribution to food security) and livelihood •  … •  … Technology & Operation Financial & Economic Issues Environment & Natural Resources Health, Hygiene & Nutrition Soc.-Cultural & Inst. Aspects Sanitation systems should be carefully evaluated with regard to:
    • Principles of Sustainable Sanitation More information at www.sswm.info Sustainability Criteria: Soc.-Cultural & Institutional Aspects •  socio-cultural acceptance & appro- priateness •  convenience & system perceptions •  gender issues/ child-friendliness/ impacts on human dignity •  compliance with legal framework & stable and efficient institutional settings •  … Technology & Operation Financial & Economic Issues Environment & Natural Resources Soc.- Cultural & Inst. Aspects Health, Hygiene & Nutrition Sanitation systems should be carefully evaluated with regard to (contd.):
    • Principles of Sustainable Sanitation More information at www.sswm.info Sustainability Criteria: Financial & Economic Issues •  beneficiaries’ capacity to pay for construction, O&M and reinvest- ments •  direct benefits (e.g. reuse of recycled products) •  external costs (e.g. environmental pollution and health hazards) •  external benefits (increased agricultural productivity, employ- ment creation, improved health) •  … Technology & Operation Financial & Economic Issues Environment & Natural Resources Soc.-Cultural & Inst. Aspects Health, Hygiene & Nutrition Sanitation systems should be carefully evaluated with regard to (contd.):
    • Principles of Sustainable Sanitation More information at www.sswm.info Sustainability Criteria: Environment & Natural Resources •  consumption of energy, water and other natural resources (con- struction, O&M) •  emissions to environment (e.g. greenhouse gases, groundwater pollution, etc.) •  degree of recycling/ reuse (e.g. reuse of wastewater, returning nutrients/ organic material to agriculture) •  protection of non-renewable re- sources (e.g. substitution of LPB by biogas, etc.) Technology & Operation Financial & Economic Issues Environment & Natural Resources Soc.-Cultural & Inst. Aspects Health, Hygiene & Nutrition Sanitation systems should be carefully evaluated with regard to (contd.):
    • Principles of Sustainable Sanitation More information at www.sswm.info Sustainability Criteria: Technology & Operation •  functionality/ ease of construction, operation and maintenance (col- lection, transport, treatment and reuse/ final disposal) •  robustness (vulnerability towards power cuts, water shortages, floods, etc.) •  flexibility/ adaptability of technical elements to existing infrastructure and to demographic/ socio- economic development •  … Technology & Operation Financial & Economic Issues Environment & Natural Resources Soc.-Cultural & Inst. Aspects Health, Hygiene & Nutrition Sanitation systems should be carefully evaluated with regard to (contd.):
    • Principles of Sustainable Sanitation More information at www.sswm.info In your locality maps identify the criteria, which are currently not fulfilled. Max: 25 minutes Group Work: Assessing the Sustainability of your System Apply the sustainability criteria
    • SSWM Implementation Tools: Hardware and Software 11 “Linking up Sustainable Sanitation, Water Management & Agriculture” With the support of: Created by: