1. FLOODPLAIN MANAGEMENT FEMA and the Florida Building Code
Our Partnership with
FEMA and the Florida Building Code
Presented by
Paul T. Myers, BSBA, CBO

4. FLORIDA BUILDING CODE

5. Alternate Provisions ASCE 24
Structural Systems must Resist
Flotation
Collapse
Lateral Movement
Flood-resistant Construction
Design Flood Elevation (DFE)
AE Flood Zone has a BFE
A Flood Zone has a HAG
Determination of DFE
Obtain and reasonably use data available from a
federal, state, or other source; or
Hire a register design professional
Engineer
Surveyor
Architect

6. F E M A F I R M

7. U S G S T
O P O

8. Protection of Mechanical Systems
HVAC Systems
Duct Systems
Plumbing Systems
Fuel Gas Systems
Protection of Electrical Systems
NEC – Wet Locations
Protection of Water Supply
Protection of Sanitary Systems
Manufactured Homes must Comply with:
Department of Highway Safety and Motor Vehicles
Local Floodplain Management Ordinance

9. Flood Insurance Study

10. Flood Insurance Study - FIS Surveyor
Base Flood Elevation - BFE
Elevation Datum
BFE = 5.5 feet NAVD 88
NGVD 29 or
3.5 feet NAVD 88
NAVD 88
MSL = 0 feet NAVD 88
Mean Sea Level - MSL
Benchmark
5.5 feet NAVD 88

11. AE - Flood Zone BFE provided by FEMA Floodplain Development Permit
Special Flood Hazard Area (SFHA)
BFE provided by FEMA
Property on St. Johns River
Floodplain Development Permit
BFE = 5.5 feet NAVD 88
Surveyor provides Benchmark
DFE
Flood Resistant Material

12. A – Flood Zone No BFE Provided by FEMA Highest Adjacent Grade - HAG
Special Flood Hazard Area (SFHA)
No BFE Provided by FEMA
Property on Cowpen Lake
Highest Adjacent Grade - HAG
Minimum Elevation at HAG = 2 feet
2 feet
above
HAG
Flood Resistant Material

13. “Freeboard” is a factor of safety usually expressed in feet
above a flood level for purposes
of floodplain management.
Freeboard
Minimum Height

15. Flood Resistant Material

17. End of Presentation