Article XXII, § 325-22.3A
Dimensional standards
Servicing
- Geographic extent
- All areas of special flood hazard identified on the Flood Insurance Rate Map (FIRM) and Flood Insurance Study (FIS) for Amelia County, dated October 7, 2021, including Floodway, AE, AH, A, and AO zones.
Uses
Extracted standards
10 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Floodplain
- Floodway encroachment prohibition
Within any floodway area, no encroachments, including fill, new construction, substantial improvements, or other development shall be permitted unless it has been demonstrated through hydrologic and hydraulic analysis that the proposed encroachment will not result in any increase in flood levels.
- Maximum increase in water surface elevation in AE/AH zones without CLOMR1 ft
No new construction, substantial improvements, or other development shall be permitted within Zones A1-30, AE, or AH unless it is demonstrated that the cumulative effect will not increase the water surface elevation of the base flood more than one foot.
Other
- AccessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structures prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
Accessory structures of any size shall be prohibited within the SFHA and no variance shall be granted for accessory structures.
- Base flood elevation data required for subdivisions exceeding 50 lots or 5 acresacre43,560 square feet — about the size of an American football field without the end zones.50 lots
Base flood elevation data shall be obtained from other sources or developed using detailed methodologies for subdivision proposals and other proposed development proposals that exceed 50 lots or five acres, whichever is the lesser.
- Floodproofing elevation for nonresidential1.5 ft
Nonresidential buildings may be floodproofed in lieu of being elevated provided that all areas below the elevation corresponding to the BFE plus 18 inches are watertight.
- Manufactured homesManufactured homeA dwelling built in a factory to a federal standard and transported to the site. prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. except in existing parks
The placement of manufactured homes (mobile homes) is prohibited, except in an existing manufactured home (mobile home) park or subdivision.
- Minimum lowest floor elevation in AO zone above highest adjacent grade2 ft
If no flood depth number is specified, the lowest floor, including basement, shall be elevated no less than two feet above the highest adjacent grade.
- Minimum lowest floor elevation above base flood elevation1.5 ft
The lowest floor, including basement, shall be elevated to or above the base flood level plus 18 inches.
- Recreational vehicles must be on site less than 180 days or meet manufactured homeManufactured homeA dwelling built in a factory to a federal standard and transported to the site. requirements180 days
All recreational vehicles placed on sites must either be on the site for fewer than 180 consecutive days, be fully licensed and ready for highway use, or meet all the requirements for manufactured homes.
- Space below lowest floor use restrictions
Fully enclosed areas below the regulatory flood-protection elevation shall not be designed or used for human habitation, but shall be used solely for parking, building access, or limited storage.
From the ordinance
The various special flood hazard districts shall include the SFHAs. The basis for the delineation of these districts shall be the FIS and the FIRM for the County of Amelia prepared by FEMA, dated October 7, 2021.