![]() ![]() V-Zone Certificate must be provided for buildings located in a VE Zone.Ī BFE Determination Form may be submitted for A Zones with no BFE, where development is less than 5 acres or 50 lots. Flood-proofing compliance must be documented on a Flood-proofing Certificate (FEMA Form 81-65), and certified by a licensed engineer or architect.Ī Non-Conversion Agreement must be provided for all areas located below the BFE. Certificates must be certified by a licensed architect, engineer, or land surveyor. Buildings must be flood-proofed a minimum of 2’ above the BFE.īuilding Elevation compliance must be documented by submitting an Elevation Certificate (FEMA Form 81-31) at three stages during the construction process. Fill is prohibited in the Flood way in Walton County.įlood-proofing is acceptable for non-residential buildings in AE and A Zones. Hydraulic modeling of the pre-project and post-project conditions should demonstrate that the change in the 100-year flood height is 0.00 feet. The supporting technical data should be based on the standard step-backwater computer model used to develop the flood way shown on the flood hazard map. This can be in the form of a No-Rise Certification supported by technical data and signed by a registered professional engineer. The results of this analysis must be maintained in the municipality’s permit file. Any proposed encroachment in the flood way requires a technical evaluation by a licensed professional engineer to demonstrate that the project will not affect flood heights. Enclosures are not permitted below the Base Flood Elevation in the regulatory flood way. Foundations should be designed on columns or pilings, by a engineer or architect, and elevated to 1’ above the Base Flood Elevation. Parcels that are below this threshold may be eligible for the County to establish a BFE.įlood ways: Homes built in the Flood way are required to be constructed to withstand the velocity forces of a Base Flood event. Developments that are 5 acres or greater, or 50 lots or larger, are required to have a BFE established prior to being issued a development order. Parking, storage, and building access areas may be located below the 3' elevation, provided that the materials are flood resistant, the spaces are unfinished, and flood openings are provided. Parking, storage, and building access areas may be located below the BFE provided that the walls are certified as breakaway.įlood Zone A (No BFE) - The finished floor of the living space must be a minimum of 3’ above the highest adjacent grade, if no BFE can be determined. Parking, storage, and building access areas may be located below the BFE provided that the materials are flood resistant, the spaces are unfinished, and flood openings are provided.įlood Zone VE and Coastal A Zones - The lowest horizontal structural member of the lowest floor must be a minimum of 1’ above the BFE. ![]() Buildings that are being constructed in a flood hazard area within Walton County are required to be elevated as follows:įlood Zone AE- The finished floor of the living space must be a minimum of 1’ above the Base Flood Elevation (BFE). All applications in areas of special flood hazard must be reviewed by the Flood Plain Manager. Buildings constructed within special flood hazard areas must have a building permit prior to the start of construction. ![]() All developments in the special flood hazard areas of Walton County must be issued a development order prior to developing. ![]()
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