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Wind Hazard Modeling and the HAZUS Wind Model Part III

Wind Hazard Modeling and the HAZUS Wind Model Part III. Carol Hill Louisiana State University November 15, 2004. What are Models Used For?. Planning Pre-Disaster Preparedness Disaster Response Community Rebuilding. Who Needs Modeled Scenario Information?. Community Planners

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Wind Hazard Modeling and the HAZUS Wind Model Part III

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  1. Wind Hazard Modeling and the HAZUS Wind ModelPart III Carol Hill Louisiana State University November 15, 2004

  2. What are Models Used For? • Planning • Pre-Disaster Preparedness • Disaster Response • Community Rebuilding

  3. Who Needs Modeled Scenario Information? • Community Planners • Local, State, Federal Officials • Emergency Managers/EOC • Who Else?

  4. Available Reports HAZUS Wind Model

  5. Total Community Building Exposure

  6. Residential Dollar Exposure

  7. 100 Year Event Wind Speeds

  8. Total Loss – 100 Year Event

  9. Hospital Loss of Use (Days)

  10. Brick and Wood Debris – Tons

  11. Tree Debris - Tons

  12. Mitigation Strategy Fully Mitigated Example

  13. Storm Shutters

  14. Roof-Wall Connection Straps

  15. Secondary Water Resistance

  16. Percent Decreases in the Per Storm Average Building Damage State Due to Mitigation (Minimum/Average/Maximum) – Residential Buildings *Dade County roof sheathing nail pattern, install more wind-resistant shingles and apply secondary water resistance

  17. Baton Rouge Mitigated Scenario

  18. Non-Mitigated Losses

  19. Summary

  20. Summary • GIS is a powerful tool to spatially display, interpret, manipulate data • Model results can only be as good as model inputs • HAZUS is a powerful, calibrated, engineering-based load vs. resistance model that provides tools for understanding building damage

  21. Summary • Judgment is still needed for analysis • As more powerful tools are available, the information needs of agencies and organizations increase • Incorporation of modeled damage results into building codes (i.e. Mitigation Strategies) may prevent damage and loss

  22. Questions?

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