Uses
Permitted by right5
- Agriculture, horticulture, and silviculture uses (no structures or fill)
- Open space uses (parks, recreational areas, wildlife preserves)
- Lawns, gardens, and parking areas
- Loading areas, docks, and piers
- Utility lines and facilities (electric, gas, telephone, water, sewer)
Extracted standards
11 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Enclosures below lowest floor - flood openings
A minimum of two openings having a total net area of not less than one square inch for every square foot of enclosed area subject to flooding shall be provided; The bottom of all openings shall be no higher than one foot above grade; Openings may be equipped with screens, louvers, valves, or other coverings or devices provided that they permit the automatic entry and exit of floodwaters.
- FillGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume. requirements
Fill placed in special flood hazard areas shall: (1) Be composed of clean earthen material; (2) Be compacted to a density equal to or greater than the surrounding natural ground; (3) Be sloped at a grade of no steeper than two horizontal to one vertical; and (4) Be protected against erosion by vegetative cover or other means.
- Lowest floor elevation or floodproofing for nonresidential structures
New construction and substantial improvement of any nonresidential structure shall either have the lowest floor, including basement, elevated to or above the base flood elevation, or, together with attendant utility and sanitary facilities, shall: (1) Be floodproofed so that below the base flood elevation the structure is watertight...
- Lowest floor elevation for residential structures
New construction and substantial improvement of any residential structure shall have the lowest floor, including basement, elevated to or above the base flood elevation.
- Manufactured homeManufactured homeA dwelling built in a factory to a federal standard and transported to the site. elevation and anchoring
New or replacement manufactured homes and substantial improvement of existing manufactured homes shall: (1) Be elevated on a permanent foundation so that the lowest floor of the manufactured home is at or above the base flood elevation; and (2) Be securely anchored to an adequately anchored foundation system to resist flotation, collapse, and lateral movement.
- Recreational vehicle placement requirements
Recreational vehicles placed on sites within special flood hazard areas shall either: (1) Be on the site for fewer than 180 consecutive days; or (2) Be fully licensed and ready for highway use...; or (3) Meet the requirements for manufactured homes in subsection (c) above.
- Subdivision proposal standards
All subdivision proposals shall be consistent with the need to minimize flood damage; All subdivision proposals shall have public utilities and facilities such as sewer, gas, electrical, and water systems located and constructed to minimize or eliminate flood damage; All subdivision proposals shall have adequate drainage provided to reduce exposure to flood hazards; Base flood elevation data shall be provided for subdivision proposals and other proposed new development which are greater than either 50 lots or five acres.
- Substantial damage threshold50 pct
Substantial damage means damage of any origin sustained by a structure whereby the cost of restoring the structure to its before damaged condition would equal or exceed 50 percent of the market value of the structure before the damage occurred.
- Substantial improvement threshold50 pct
Substantial improvement means any reconstruction, rehabilitation, addition, or other improvement of a structure, the cost of which equals or exceeds 50 percent of the market value of the structure before the start of construction of the improvement.
- VarianceVariancePermission to depart from a specific dimensional rule, granted on a showing of hardship. accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure size limit200 sqftsq 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 200 square feet.
- VarianceVariancePermission to depart from a specific dimensional rule, granted on a showing of hardship. lot size limitation0.5 acreacre43,560 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, deviations from that limitation may occur.
From the ordinance
The following uses are permitted in the flood hazard overlay district, provided they are in compliance with the provisions of this division and all other applicable provisions of this ordinance: (1) Agriculture, horticulture, and silviculture uses... (2) Open space uses... (3) Lawns, gardens, and parking areas; (4) Loading areas, docks, and piers; (5) Utility lines and facilities...
Use details
{
"dropped_conditions": {
"prohibited_uses": [
"Any development not in compliance with floodplain regulations"
]
}
}