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Layer: WindBorneRiskBldCat1 (ID: 12)

Name: WindBorneRiskBldCat1

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Description: In this project, the University of Florida (UF) GeoPlan Center is providing Geographic Information System (GIS) technical assistance for creating updated Florida statewide Ultimate Design Wind Speed line maps for the 8th Edition (2023) update to the Florida Building Code (FBC). Updates to Figures: 1609.3(1), 1609.3(2), 1609.3(3) and 1609.3(4) will be based on the standards set forth in Chapter 26 of the American Society of Civil Engineers (ASCE), the Minimum Design Loads and Associated Criteria for Buildings and Other Structures (ASCE/SEI 7-22). In addition, the GeoPlan Center shall provide GIS technical assistance in preparing local wind speed line maps for each building code jurisdiction that is impacted and dissected by the wind speed contours as updated and depicted in the draft Florida Building Code, 8th Edition (2023) Figures 1609.3(1-4) Risk Categories I - IV Buildings and Structures. This final report addresses details of the project’s progress to date on each task listed in the scope of work. In summary, Task 1 is complete, and Task 2 is complete.Notes:1.Values are nominal design 3-second gust wind speeds in miles per hour (m/s) at 33 ft (10m) above ground for Exposure C Category.2.Linear interpolation between contours. Point values are provided to aid with interpolation.3.Islands, coastal areas, and land boundaries outside the last contour shall use the last wind speed contour.4.Mountainous terrain, gorges, ocean promontories, and special wind regions shall be examined for unusual wind conditions.5.Wind speeds correspond to approximately a 7% probability of exceedance in 50 years (Annual Exceedance Probability = 0.00143, MRI = 700 Years).6.Location-specific basic wind speeds shall be permitted to be determined using www.atcouncil.org/windspeed.Ultimate Design Wind Speeds, Vult, For Risk Categories I-IV Buildings and Other Structureshttps://ufl.maps.arcgis.com/apps/mapviewer/index.html?webmap=3a5d5dd7d44744eeb9537b76534a72a9

Copyright Text: Hillsborough County, FL University of Florida (UF) GeoPlan Center

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