Sec. 42-445

Floodplain

• Anchoring required

  All new construction and substantial improvements shall be anchored to prevent flotation, collapse or lateral movement of the structure.

• Flood-resistant materials

  All new construction and substantial improvements shall be constructed with materials resistant to flood damage.

• Floodproofing for nonresidential

  Structures located in all A1-30, AE and AH Zones may be floodproofed in lieu of being elevated, provided that all areas of the building components below the elevation corresponding to the BFE, plus one foot are watertight...

• Manufactured homeManufactured homeA dwelling built in a factory to a federal standard and transported to the site. anchoring

  All manufactured homes to be placed or substantially improved within the flood-fringe and approximated floodplain districts shall be placed on a permanent foundation and elevated and anchored in accordance with the Virginia Uniform Statewide Building Code.

• Minimum lowest floor elevation1 ft above BFE

  All new construction and substantial improvements of residential structures (including manufactured homes) shall have the lowest floor, including basement, elevated no lower than one foot above the base flood elevation.

• Recreational vehicle restrictions

  All recreational vehicles placed on sites within the flood-fringe and approximated floodplain districts must either be on the site for fewer than 180 consecutive days; be fully licensed and ready for highway use; or meet all the requirements for manufactured homes.

• Utility design

  All new and replacement water supply systems and sanitary sewage systems shall be designed to minimize or eliminate infiltration of floodwaters.

• Zoning permit required

  All uses, activities and development within the flood-fringe and approximated floodplain districts shall be undertaken only upon the issuance of a zoning permit.