Dimensional standards
Servicing
- Geographic extent
- All special flood hazard areas
Extracted standards
6 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Floodplain
- AccessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure maximum size600 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Accessory structures in the SFHA shall be limited to no more than 600 square feet in total floor area.
- Anchoring requirement
New construction and substantial improvements shall be anchored to prevent flotation, collapse, or lateral movement of the structure.
- Flood-resistant materials
New construction and substantial improvements shall be constructed with materials and utility equipment resistant to flood damage.
- Non-residential lowest floor elevation18 inches
New construction or substantial improvement of any commercial, industrial, or non-residential building (or manufactured home) shall have the lowest floor, including basement, elevated to or above the base flood level plus 18 inches.
- Residential lowest floor elevation18 inches
New construction or substantial improvement of any residential structure (including manufactured homes) in Zones A1-30, 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 18 inches.
- Utilities protection
Electrical, heating, ventilation, plumbing, air conditioning equipment, and other service facilities shall be designed and/or located so as to prevent water from entering or accumulating within the components during conditions of flooding.
From the ordinance
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.