Moving from Repairing Homes to Rebuilding Neighborhoods in Haiti
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Moving from Repairing Homes to Rebuilding Neighborhoods in Haiti

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In the immediate aftermath of the Haiti earthquake, it appeared that all of Port-au-Prince had been destroyed. However, most buildings had survived. This shows how we evaluated the damage and began ...

In the immediate aftermath of the Haiti earthquake, it appeared that all of Port-au-Prince had been destroyed. However, most buildings had survived. This shows how we evaluated the damage and began the repair process.

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  • USGS MMI shaking intensity map.
  • Street scene immediately after earthquake
  • Extensive damage to homes
  • Multiple family houses, high cost, density

Moving from Repairing Homes to Rebuilding Neighborhoods in Haiti Moving from Repairing Homes to Rebuilding Neighborhoods in Haiti Presentation Transcript

  • HaitiMoving from Repairing Houses to Rebuilding CommunitiesMid-year Board MeetingMay 12, 2011
  • 350,000 to 400,000 buildings are affected
    Over 300,000 dead
    1.3 million people displaced
  • Main causes of impact
    Lack of preparedness –no major earthquake in Port-au-Prince since 1770
    Design and construction practices di not consider earthquake effects
    Rapid growth of informal buildings with substandard construction
  • Damage Assessment Program
  • MTPTC Damage Assessment Program
    • 3 major strategic goals: Rapid Safety Identification, Reconstruction Data Base, Capacity Building
    • ATC20 modified for Haiti construction
    • 250 Haitian engineers
    • Use PDA-based data management
  • 400,000 buildings evaluated
  • Evaluation results
  • Result of the Asssement
    • Over 200,000 structures were identified as safe
    • Hundreds of thousands of people were able to return home
    • The government and the international community had a detailed assessment of the actual damage
  • Repair Reconstruction Strategies
    • Goal was to improve construction quality while providing safe housing
    • Clear quality standards through the Engineering Repair Manual
    • Training of Engineers, Contractors, and Masons in improved techniques
    • Community-Based Construction Management and Quality Control
    • Final Certification ( Under MTPTC authority)
  • MTPTC Repair Guideline
    Repair back to better than pre-earthquake condition
    ASTM STP 1180 Report
    300% Ductility Increase
    Readily available materials in Haiti
  • 270engineers trained on Damage Evaluations:
     
    80engineers trained on conducting Repair Assessments
     
    11 Contractors trained to build better
     
    550Haitian professionals trained on the new repair techniques
  • Repairs of Yellow Tagged Buildings
  • Step 1:Tear down damaged section
  • Step 2: Build it back better
  • 2,000 “Yellow-Tagged’ Houses Repaired
  • High quality spreads to other sites
    New construction techniques
    Old poor techniques
  • The bigger challenge
  • Rebuilding “Red-Tagged Houses
  • Proposed Replacement House
  • Then what about utilities
  • Provision of Water to Delmas 32
  • What about Sewage and Drainage?
  • Community Planning
  • Plan Optimal
    Vue Perspective