Permaculture an experiment in urban living
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Urban permaculture involves creating sustainable human habitats by following nature's patterns. Some key ideas from the document are: 1) Roofs, which receive most of the rain, sun, wind and life in cities, can be designed as "smart roofs" to help solve a city's water, stormwater, energy, wastewater, food and biodiversity problems. 2) A "smart roof" can harvest rainwater, treat greywater, produce food through crops like rice and vegetables, provide energy through solar power, and support biodiversity with habitats for birds and other species. 3) Well-designed roofs have the potential to provide food, water, energy and ecological security
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Permaculture an experiment in urban living
- 1. Urban Permaculture Some ideas from Bangalore India S.Vishwanath www.biome-solutions.com www.rainwaterclub.org You-tube, Twitter, Slide-share, Face-book : zenrainman 1
- 2. What is permaculture ? • One definition (there are many ) • CREATING SUSTAINABLE HUMAN HABITATS BY FOLLOWING NATURE'S PATTERNS • Comes from permanent agriculture and then permanent culture 2
- 3. Who is it for ? • It is for everyone wishing to live sustainable and tread more lightly on the Earth. 3
- 4. Ethics • Earth care respecting the earth the source of life • People care Fair share Helping each other to live using the earths resource sustainably equitably 4
- 5. Permaculture principles • Work with nature not against • See solutions not problems • Seek diversity not monoculture • Every element should serve many functions • Yield is limited only by imagination • Work in cycles and zones – Source Permaculture a beginners guide –G.Burnett 5
- 6. Earth • Every site has earth • In the design of the building incorporate earth • Remove the top soil and keep it • Design a basement to excavate earth • Use this to make earth blocks /cob/rammed earth for construction • The material for walls can come from the site 6
- 7. A basement provides earth for the house 7
- 8. Making Earth Blocks at site 8
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- 12. Water • Use rainwater falling on the site wisely • Capture it as high as possible and store • With the excess recharge groundwater • Recycle and reuse all water 12
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- 14. We need to return to the culture of the open well Where the well talks to us daily Where water can be drawn without electricity Where water can be recharged 14
- 15. Collect rooftop rainwater 15
- 16. A rain barrel to collect water from the stair-case roof 16
- 17. A simple cloth filter to clean rainwater 17
- 18. Checking rainwater for bacteria 18
- 19. Using the sun to kill bacteria 19
- 20. Keeping the roof clean is important 20
- 21. Simple rainwater harvesting • http://www.youtube.com/watch?v=daouoJiB4 uw 21
- 22. Energy • Use solar energy for – water purification – Cooking – Water heating – Lighting 22
- 23. Solar cooking 23
- 24. Solar water heating 24
- 25. Solar lighting 25
- 26. Nutrients • Compost kitchen waste • Use Eco-san and recycle nutrients 26
- 27. Kitchen organics composter www.dailydump.org 27
- 28. Treating kitchen wastewater http://www.youtube.com /watch?v=joVL70wtLAs 28
- 29. Use ‘Ecological Sanitation’ generated fertilizer 29
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- 31. Eco-san 31
- 32. • COMPOSTING TOILET (SQUATTING PAN) 32
- 33. COLLECTORS 33
- 34. BATHROOM LAYOUT 34
- 35. The use of Ecosan http://www.youtube.com/ watch?v=SqpIt1e2FDM 35
- 36. BEFORE AND AFTER ECOSAN CONSUMPTION (ltrs of water/day) • DRINKING 3 • 3 • COOKING 4 • 4 • BATHING 15 • 15 • CLOTHES 23 • 20 ECOSAN • UTENSILS 25 • 25 saving • GARDEN 25 • 0 67.5 • FLUSHING 40 • 0.5 • TOTAL 135 • 67.5 36
- 38. Roofs are • Sterile, • Uninteresting and • Heat sinks • Yet they receive almost all of the rain, sun, win d and life 38
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- 40. Can roofs be smarter ? Since they receive – maximum – Can they solve a city’s – water, – storm-water, – energy, – wastewater, – Food and – bio-diversity problem ? 40
- 41. How about? A roof that grows rice 41
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- 45. Uses only treated grey water to grow 45
- 46. Harvests rain 46
- 47. RAINWATER AND ECOSAN BANGALORE’S SCENARIO 100 SQ MT OF ROOF OUTCOME: PRODUCES: • 325 DAYS OF WATER • 97,000 LITRES RAIN DEMAND SUPPLIED • 88,000 LITRES FROM RAIN HARVESTED • ZERO SEWAGE RUNOFF DEMAND: • NUTRIENTS USED 67.5 Ltrs/day X 4 pers X 365 = 98,550 LITRES 47
- 48. Uses the Sun 48
- 49. PROVIDES FOR BIODIVERSITY Biome Environmental Solutions Pvt 49 Ltd
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- 54. Roof produces and takes care of • 100 sq. mt. 100,000 litres of water • 100 sq. mt 200 kgs of rice and vegetables • 100 sq. mt. All the grey water –100 ltrs/day • 100 sq.mt All the urine 1500 litres / year • 100 sq. mt All the solid waste generated • 100 sq mt 32 different species of birds • 100 SQ mt heat 100 litres daily • Light 12 bulbs • Cook for 4 people lunch and dinner 54
- 55. So what can a smart roof do? • Provide – Food security… and grow rice, banana, vegetables – Water security .. and treat waste water – Energy security… and keep the house cool – Ecological security… and help save the sparrow 55
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- 59. The future then… 60% of built Bangalore or any metropolis is roofs. What do we do about them? Heat sinks or Designed Ecological spaces The choice is ours. 59
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