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// CODE SNIPPET

3109.3 Elevation Standards

2014 FBC - Building, 5th edition > 31 Special Construction > 3109 Structures Seaward of a Coastal Construction Control Line > 3109.3 Elevation Standards
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All habitable structures shall be elevated at or above an elevation which places the lowest horizontal structural member above the 100-year storm elevation as determined by the Florida Department of Environmental Protection in the report titled "One-Hundred-Year Storm Elevation Requirements for Habitable Structures Located Seaward of a Coastal Construction Control Line."

An applicant may request the Department of Environmental Protection to determine a site-specific 100-year storm elevation for the applicant's proposed habitable structure as part of the environmental permit application process. The elevation will be provided as part of the applicant's environmental permit and shall be subject to review under the provisions of Chapter 120, Florida Statutes.

Exceptions:
  1. Additions, repairs or modifications to existing nonconforming habitable structures that do not advance the seaward limits of the existing habitable structure and do not constitute rebuilding of the existing structure.
  2. Habitable structures located landward of existing armoring which is capable of protecting buildings from the effects of erosion from a 100-year storm surge. The applicant shall provide scientific and engineering evidence that the armoring has been designed, constructed and maintained to survive the effects of the design storm and provide protection to existing and proposed structures from the erosion associated with that event. Evidence shall include a report with data and supporting analysis, and shall be certified by a professional engineer registered in this state, that the armoring was designed and constructed and is in adequate condition to meet the following criteria:
    1. The top must be at or above the still water level, including setup, for the design storm plus the breaking wave calculated at its highest achievable level based on the maximum eroded beach profile and highest surge level combination, and must be high enough to preclude runup overtopping.
    2. The armoring must be stable under the design storm including maximum localized scour, with adequate penetration and toe protection to avoid settlement, toe failure, or loss of material from beneath or behind the armoring.
    3. The armoring must have sufficient continuity or return walls to prevent flanking under the design storm from impacting the proposed construction.
    4. The armoring must withstand the static and hydrodynamic forces of the design storm.
  3. A higher elevation standard is required by either the National Flood Insurance Program (NFIP), as found on a community's Flood Insurance Rate Map (FIRM), or the local flood damage prevention ordinance. In such instances, the higher elevation standard shall apply.

Related Code Sections


3109.3 Special Construction, Elevation Standards
the static and hydrodynamic forces of the design storm. A higher elevation standard is required by either the National Flood Insurance Program ...
2014 FBC - Building, 5th edition > 31 Special Construction > 3109 Structures Seaward of a Coastal Construction Control Line > 3109.3 Elevation Standards
3109.3.3 Special Construction, Elevation Standards
The bottom of the lowest horizontal structural member of the lowest floor shall be at or above the higher of the following: The elevation ...
2017 FBC - Building, 6th edition > 31 Special Construction > 3109 Structures Seaward of a Coastal Construction Control Line > 3109.3 Design and Construction > 3109.3.3 Elevation Standards
3109.3.3 Special Construction, Elevation Standards
The bottom of the lowest horizontal structural member of the lowest floor shall be at or above the higher of the following: The elevation ...
2020 FBC - Building, 7th edition > 31 Special Construction > 3109 Structures Seaward of a Coastal Construction Control Line > 3109.3 Design and Construction > 3109.3.3 Elevation Standards
3001.2 Elevators and Conveying Systems, Referenced Standards
STANDARDS FOR ELEVATORS AND CONVEYING SYSTEMS AND COMPONENTS ...
2020 FBC - Building, 7th edition > 30 Elevators and Conveying Systems > 3001 General > 3001.2 Referenced Standards
203.6 Scoping Requirements, Single Occupant Structures
Single occupant structures accessed only by passageways below grade or elevated above standard curb height, including but not limited to, toll booths ...
2017 FBC - Accessibility, 6th edition > 2 Scoping Requirements > 203 General Exceptions > 203.6 Single Occupant Structures
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