Sec. 28-57
Dimensional standards
Servicing
- Applies near
- FloodplainFloodplainLand expected to flood at a stated frequency, where building carries extra conditions. areas per FIRM
- Geographic extent
- All areas within the mapped floodplainFloodplainLand expected to flood at a stated frequency, where building carries extra conditions. as shown on the FIRM, including AE, A, AO, Coastal A, VE, and V zones, and areas with 0.2% annual chance flooding.
Uses
Extracted standards
11 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Base flood elevation data required for subdivisions5 acresacre43,560 square feet — about the size of an American football field without the end zones.
Base flood elevation data shall be obtained... for subdivision proposals and other proposed development proposals (including manufactured home parks and subdivisions) that exceed fifty (50) lots or five (5) acres, whichever is less.
- Breakaway wall design safe loading resistance20 psf
a breakaway wall shall have a design safe loading resistance of not less than ten (10) and no more than twenty (20) pounds per square foot.
- FillGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume. for structural support prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
The use of fill for structural support of buildings is prohibited.
Manufactured homes shall be anchored to prevent flotation, collapse or lateral movement.
- 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 six hundred (600) square feet in total floor area.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of flood opening bottom above grade1 ft
The bottom of all required openings shall be no higher than one foot above the adjacent grade.
- Maximum lot size for varianceVariancePermission to depart from a specific dimensional rule, granted on a showing of hardship. generally0.5 acresacre43,560 square feet — about the size of an American football field without the end zones.
While the granting of variances generally is limited to a lot size less than one-half acre...
- Minimum lowest floor elevation above base flood elevation3 ft
structures shall have the lowest floor, including basement, elevated to or above the base flood level plus three (3) feet.
- Minimum elevation of lowest horizontal structural member in VE zones3 ft
The bottom of the lowest horizontal structural member of the lowest floor (excluding the pilings or columns) is elevated to or above the base flood level plus three (3) feet.
- Minimum total net area of flood openings1 sqin per 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 square inch for each square foot of enclosed area subject to flooding.
- Minimum number of flood openings2 count
Provide a minimum of two (2) openings on different sides of each enclosed area subject to flooding.
From the ordinance
The FH Overlay District shall be overlays to the existing underlying districts... the more restrictive provisions shall apply.