Rethinking 'Innovations' for Affordable Housing in Disaster Prone Areas of Bangladesh<br />Dr KhandakerShabbir Ahmed, Prof...
Definitions<br /><ul><li>'The generally accepted definition of affordability is for a household to pay no more than 30 per...
'Long-term housing that is provided slightly below market value. This type of housing can be in the form of rental or home...
'Temporary Shelters, to a maximum of 6 months and on a walk-in basis, provides high level support in emergency situations....
Cyclone SIDR<br />
Defensive Planning and Infrastructure<br />
Defensive Planning and Infrastructure: <br /><ul><li>To protect communities from the hazardous elements
Built-in hazard planning
Food security
Resilient communication routes
Bridge as high ground
Reduced impact of river and canals
Compact planning</li></li></ul><li>Access and communication routes<br />Kuccha roads not resilient<br />
Think Multifunction  infrastructure<br />Food godowns at Bazaars<br />Proximity to shelters important, needs planning<br />
Vulnerable Infrastructures<br />Impediment to proper transportation during disasters<br />Alternative means can still work...
Defensive Landscaping<br />
Defensive Landscaping:<br /><ul><li>Wind sheltering
Prevent soil erosion
Human safety
Reduction of thrust force trees and building interface</li></li></ul><li>Resilient local species survive<br />
River edge plantation<br />Provide buffer zone to reduce impact<br />
Defensive Landscaping works<br />
Defensive Siting:<br /><ul><li>To make building less vulnerable and reduce exposure
Maximisenatural light and  airflow, reduce heat gain</li></li></ul><li>Siting: Myanmar case<br />
Shoronkhola: Surge direction and angular building placement works<br />
Sustainable Buildings,  Materials and Techniques<br />
Sustainable Buildings,  Materials and Techniques: <br /><ul><li>Cost effective
Sustainable
Workable
Available</li></li></ul><li>Details<br />Special base for minimising Termite action in non local species<br />
Framing<br />Lack of proper framing leading to storm surge damage <br />
Indigenous roofing technique vs metal roofing<br />
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Rethinking Innovations for Affordable Housing in Disaster Prone Areas of Bangladesh

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Rethinking Innovations for Affordable Housing in Disaster Prone Areas of Bangladesh

  1. 1. Rethinking 'Innovations' for Affordable Housing in Disaster Prone Areas of Bangladesh<br />Dr KhandakerShabbir Ahmed, Professor, Dept. of Architecture, BUET<br />Architect Minhaz Bin Gaffar and Ms AmreenShahjahan<br />
  2. 2. Definitions<br /><ul><li>'The generally accepted definition of affordability is for a household to pay no more than 30 percent of its annual income on housing.‘
  3. 3. 'Long-term housing that is provided slightly below market value. This type of housing can be in the form of rental or homeownership opportunity.‘
  4. 4. 'Temporary Shelters, to a maximum of 6 months and on a walk-in basis, provides high level support in emergency situations.'</li></ul>Housing is not a house nor multiple Houses. <br />
  5. 5.
  6. 6.
  7. 7. Cyclone SIDR<br />
  8. 8.
  9. 9.
  10. 10.
  11. 11.
  12. 12. Defensive Planning and Infrastructure<br />
  13. 13. Defensive Planning and Infrastructure: <br /><ul><li>To protect communities from the hazardous elements
  14. 14. Built-in hazard planning
  15. 15. Food security
  16. 16. Resilient communication routes
  17. 17. Bridge as high ground
  18. 18. Reduced impact of river and canals
  19. 19. Compact planning</li></li></ul><li>Access and communication routes<br />Kuccha roads not resilient<br />
  20. 20. Think Multifunction infrastructure<br />Food godowns at Bazaars<br />Proximity to shelters important, needs planning<br />
  21. 21. Vulnerable Infrastructures<br />Impediment to proper transportation during disasters<br />Alternative means can still work<br />
  22. 22. Defensive Landscaping<br />
  23. 23. Defensive Landscaping:<br /><ul><li>Wind sheltering
  24. 24. Prevent soil erosion
  25. 25. Human safety
  26. 26. Reduction of thrust force trees and building interface</li></li></ul><li>Resilient local species survive<br />
  27. 27. River edge plantation<br />Provide buffer zone to reduce impact<br />
  28. 28. Defensive Landscaping works<br />
  29. 29. Defensive Siting:<br /><ul><li>To make building less vulnerable and reduce exposure
  30. 30. Maximisenatural light and airflow, reduce heat gain</li></li></ul><li>Siting: Myanmar case<br />
  31. 31. Shoronkhola: Surge direction and angular building placement works<br />
  32. 32. Sustainable Buildings, Materials and Techniques<br />
  33. 33. Sustainable Buildings, Materials and Techniques: <br /><ul><li>Cost effective
  34. 34. Sustainable
  35. 35. Workable
  36. 36. Available</li></li></ul><li>Details<br />Special base for minimising Termite action in non local species<br />
  37. 37. Framing<br />Lack of proper framing leading to storm surge damage <br />
  38. 38. Indigenous roofing technique vs metal roofing<br />
  39. 39. Reservoir of indigenous Knowledge: <br /><ul><li>let us not reinvent the wheel !
  40. 40. Increasing dead weight, bracing, improved joinery and details, roof materials, stilts, lightweight architecture, preservation techniques.</li></li></ul><li>Systematic research needed, though time tested, for refinement. <br />
  41. 41. <ul><li>Earth over metal roof in North Bengal
  42. 42. Tikra wall; plaster on bamboo, Sylhet
  43. 43. Cluster housing on Mounds with fresh water supply
  44. 44. Houses on stilts, Hill tracts
  45. 45. Defensive landscape, parabon, St Martin Island at sea level </li></li></ul><li>Interim/ Transitional Solutions<br /><ul><li>Human Comfort
  46. 46. Social-cultural template
  47. 47. Low energy lifestyle (photo period extended in villages, early to bed)
  48. 48. Materials and Techniques
  49. 49. Environmental impact (metals roofs, salinity, chemicals)
  50. 50. Water and Sanitation (reed beds)
  51. 51. Defensive infrastructure (bridges, embankments, roads )
  52. 52. Landscaping, Edible Landscaping
  53. 53. Food Storage</li></li></ul><li>Where do we want to go from here?<br />
  54. 54. <ul><li>National Building Code on Low cost housing
  55. 55. National Housing Policy
  56. 56. Housing Finance Mechanisms and Delivery
  57. 57. Market Support and incentives</li></li></ul><li>Can we shift our mindset!<br />
  58. 58. <ul><li>Equitable Development across the country
  59. 59. Creation of opportunities and employment
  60. 60. Improvements in household income
  61. 61. Resilient/resistant Housing</li></li></ul><li>"No one will be homeless"<br />Government vowed housing for all homeless people by 2015.<br />
  62. 62. Pucca House! Why not?<br />
  63. 63. Thank You<br />

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