Sec. 90-291, 90-303, 90-316, 90-317, 90-320
Dimensional standards
Servicing
- Applies near
- Flood hazard zones
- Geographic extent
- All lands within the jurisdiction of the city identified as special flood hazard areas (SFHAs) shown on the flood insurance rate map (FIRM) or included in the flood insurance study (FIS).
Uses
Permitted by right5
- Uses consisting of development of a structure, where the effect of such development on flood heights is fully offset by accompanying improvements which have been approved by all appropriate local and/or state authorities, as required in this division.
- Agricultural uses, such as general farming, pasture, grazing, outdoor-plant nurseries, horticulture, truck farming, forestry, sod farming and wild crop harvesting.
- Public and private recreational uses and activities, such as parks, day camps, picnic grounds, golf courses, boat launching and swimming area, horseback riding and hiking trails, wildlife and nature preserves and hunting and fishing areas.
- Accessory residential uses, such as yard areas, gardens, play areas, and parking areas.
- Accessory industrial and commercial uses, such as yard areas, previous parking and loading areas, etc.
Accessory2
- Accessory residential uses, such as yard areas, gardens, play areas, and parking areas.
- Accessory industrial and commercial uses, such as yard areas, previous parking and loading areas, etc.
Extracted standards
11 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Anchoring required
New construction and substantial improvements shall be built according to this ordinance and the VA USBC, and anchored to prevent flotation, collapse, or lateral movement of the structure.
- Floodway encroachment prohibition
Within any designated floodway areas, no encroachments, including fill, new construction, substantial improvements, or other development shall be permitted unless it has been demonstrated through hydrologic and hydraulic analysis performed in accordance with standard engineering practice that the proposed encroachment will not result in any increase in flood levels within the community during the occurrence of the base flood discharge.
- Maximum accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure floor area200 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 200 square feet in total floor area.
- Maximum acresacre43,560 square feet — about the size of an American football field without the end zones. without detailed study5 acresacre43,560 square feet — about the size of an American football field without the end zones.
Any subdivision proposal or other proposed development (including proposals for manufactured home parks and subdivisions) that exceed 50 lots or five acres, whichever is less, in an area where BFE data is not available, or the SFHA has not been delineated, shall include data using detailed methodologies.
- Maximum lots without detailed study50 lots
Any subdivision proposal or other proposed development (including proposals for manufactured home parks and subdivisions) that exceed 50 lots or five acres, whichever is less, in an area where BFE data is not available, or the SFHA has not been delineated, shall include data using detailed methodologies.
- Maximum days recreational vehicle on site180 days
Be on the site for fewer than 180 consecutive days and be fully licensed and ready for highway use.
- Minimum flood opening area ratio1 sq_in_per_sq_ft
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 lowest floor elevation above base flood elevation (nonresidential)24 inches
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 24 inches.
- Minimum lowest floor elevation above base flood elevation (residential)24 inches
New construction or substantial improvement of any residential structure (including manufactured homes) in zones AE and A, shall have the lowest floor, including basement, elevated to or above the base flood level plus 24 inches.
- Nonresidential floodproofing certification required
A registered professional engineer or architect shall certify that the standards of this subsection are satisfied.
- Space below lowest floor use restriction
In zones A and AE, fully enclosed areas of new construction or substantially improved structures, which are below the regulatory flood protection elevation shall not be designed or used for human habitation, but shall be used solely for parking of vehicles, building access, or limited storage of maintenance equipment used in connection with the premises.
From the ordinance
These provisions shall apply to all lands within the jurisdiction of the city and identified as special flood hazard areas (SFHAs) identified by the city or shown on the flood insurance rate map (FIRM) or included in the flood insurance study (FIS).