Dimensional standards
Servicing
- Applies near
- Flood Hazard Overlay DistrictOverlay districtA second set of rules laid over the base district, adding requirements without replacing it.
- Geographic extent
- Flood Hazard Overlay DistrictOverlay districtA second set of rules laid over the base district, adding requirements without replacing it., including Zones A, AE, AH, and AO on the FIRM
Extracted standards
8 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Floodplain
- Maximum accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure floor area600 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Be limited to no more than 600 square feet in total floor area
- Flood opening requirements
Provide a minimum of two openings on different sides of each enclosed area subject to flooding. The total net area of all openings must be at least one square inch for each square foot of enclosed area subject to flooding.
- Lowest floor elevation above base flood1 ft
New construction or substantial improvement of any residential structure (including manufactured homes) in Zones AE, AH, and A with detailed base flood elevations shall have the lowest floor, including basement, elevated to or above the base flood level plus 12 inches.
- Lowest floor elevation above base flood1 ft
New construction or substantial improvement of any commercial, industrial, or nonresidential building shall have the lowest floor, including basement, elevated to or above the base flood level plus 12 inches.
The placement of any manufactured home (mobile home) within any Flood Hazard Zone is specifically prohibited, except as a replacement for a manufactured home on an individual lot or parcel or in an existing manufactured home park or subdivision.
- Recreational vehicle 180-day rule180 days
Be on the site for fewer than 180 consecutive days and be fully licensed and ready for highway use
All uses, activities and development occurring within the Flood Hazard Overlay shall be undertaken only upon the issuance of a special use permit.
- Substantial improvement threshold50 pct
The modification, alteration, repair, reconstruction, or improvement of any kind to a structure and/or use, regardless of its location in a flood hazard district to an extent or amount of 50% or more of its market value ... shall be undertaken only in full compliance with this division
From the ordinance
All uses, activities and development occurring within the Flood Hazard Overlay shall be undertaken only upon the issuance of a special use permit.