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 Miami Shores Village
 Code of Ordinances
 Chapter 6. BUILDINGS AND BUILDING REGULATIONS

  § 6-12. The Florida Building Code, Residential is hereby amended by the following technical amendments:  

Latest version.

  • R322.2 Flood hazard areas (including A Zones).

    Areas that have been determined to be prone to flooding and that are not subject to high-velocity wave action shall be designated as flood hazard areas. Flood hazard areas that have been delineated as subject to wave heights between 1½ feet (457 mm) and 3 feet (914 mm) or otherwise designated by the jurisdiction shall be designated as Coastal A Zones and are subject to the requirements of Section R322.3. Buildings and structures constructed in whole or in part in flood hazard areas shall be designed and constructed in accordance with Sections R322.2.1 through R322.2.3.

    R322.2.1 Elevation requirements.

    1.

    Buildings and structures in flood hazard areas, including flood hazard areas designated as Coastal A Zones, shall have the lowest floors elevated to or above the base flood elevation plus 2 foot (610 mm), or the design flood elevation, whichever is higher.

    2.

    In areas of shallow flooding (AO Zones), buildings and structures shall have the lowest floor (including basement ) elevated to a height above the highest adjacent grade of not less than the depth number specified in feet (mm) on the FIRM plus 2 foot (610 mm), or not less than 3 feet (915 mm) if a depth number is not specified.

    3.

    Basement floors that are below grade on all sides shall be elevated to or above base flood elevation plus 2 foot (610 mm), or the design flood elevation, whichever is higher.

    Exception: Enclosed areas below the design flood elevation, including basements with floors that are not below grade on all sides, shall meet the requirements of Section R322.2.2.

    R322.3.4 Walls below design flood elevation. Walls and partitions are permitted below the elevated floor, provided that such walls and partitions are not part of the structural support of the building or structure and:

    1.

    Electrical, mechanical, and plumbing system components are not to be mounted on or penetrate through walls that are designed to break away under flood loads; and

    2.

    Are constructed with insect screening or open lattice; or

    3.

    Are designed to break away or collapse without causing collapse, displacement or other structural damage to the elevated portion of the building or supporting foundation system. Such walls, framing and connections shall have a design safe loading resistance of not less than 10 (479 Pa) and no more than 20 pounds per square foot (958 Pa); or

    4.

    Where wind loading values of this code exceed 20 pounds per square foot (958 Pa), the construction documents shall include documentation prepared and sealed by a registered design professional that:

    4.1.

    The walls and partitions below the design flood elevation have been designed to collapse from a water load less than that which would occur during the design flood.

    4.2.

    The elevated portion of the building and supporting foundation system have been designed to withstand the effects of wind and flood loads acting simultaneously on all building components (structural and nonstructural). Water loading values used shall be those associated with the design flood. Wind loading values shall be those required by this code.

    5.

    If located in flood hazard areas designated as Coastal A Zones, the walls are provided with flood openings that meet the criteria in R322.2.2.

( Ord. No. 706-14, § 1, 10-21-14 ; Ord. No. 2018-02 , § 1, 1-9-18)