Sec. 15-462
Dimensional standards
Servicing
- Geographic extent
- All lands within the county identified as special flood hazard areas (SFHAs) as shown on the FIRM.
Extracted standards
10 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Accessory structures
- Maximum accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure size600 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Accessory structures may not exceed 600 square feet.
Floodplain
- Minimum flood opening ratio1 sqin/sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
The total net area of all openings must be at least one (1) square inch for each square foot of enclosed area subject to flooding.
- Minimum non-residential elevation above base flood1 ft
lowest floor, including basement, elevated to or above the base flood level plus 1 foot.
- Minimum residential elevation above base flood3 ft
lowest floor, including basement, elevated to or above the base flood level plus 3 feet.
- Non-residential floodproofing elevation above base flood2 ft
floodproofed to the elevation corresponding to the BFE plus two feet.
Other
- Maximum recreational vehicle stay180 days
All recreational vehicles placed on sites must be on the site for fewer than 180 consecutive days.
- No varianceVariancePermission to depart from a specific dimensional rule, granted on a showing of hardship. for accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure over 600 sq ftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
No variance shall be granted for an accessory structure exceeding 600 square feet.
- Subdivision must minimize flood damage
All subdivision proposals shall be consistent with the need to minimize flood damage; have public utilities and facilities located to minimize flood damage; and have adequate drainage.
- Substantial improvement threshold50 pct
Modification, alteration, repair, reconstruction, or improvement of any kind to a structure and/or use, regardless of its location in a floodplain district, to an extent or amount of 50% or more of its market value can be undertaken only in full compliance with this article.
Overlay
- More restrictive provision applies
Where there is any conflict between the provisions or requirements of any of the floodplain districts and those of any underlying zoning district, the more restrictive provisions apply.
From the ordinance
New construction and substantial improvements must be... elevated to or above the base flood level plus 3 feet for residential, plus 1 foot for non-residential, etc.