Article X, § 420-10.12
Dimensional standards
Servicing
- Geographic extent
- FloodplainFloodplainLand expected to flood at a stated frequency, where building carries extra conditions. area for which no detailed flood profiles or elevations are provided, shown as Zone A on the Flood Insurance Rate Map.
Extracted standards
6 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Floodplain
- Floodway delineation required
Applicant must delineate a floodway area ensuring no increase in 100-year flood elevation more than one foot.
Other
- Floodproofing required
All development must comply with floodproofing provisions of the Virginia Uniform Statewide Building Code.
Manufactured homes shall be elevated on a permanent foundation to or above the base flood elevation and securely anchored.
- Modification threshold
Modifications less than 50% of market value must be elevated/floodproofed; modifications 50% or more must fully comply.
- Utility design criteria
All new or replacement sanitary sewer facilities, water facilities, drainage facilities, utilities, streets and sidewalks shall be designed to minimize flood damage and infiltration.
- Zoning permit required
All uses, activities, and development occurring within any floodplain district shall be undertaken only upon the issuance of a zoning permit.
From the ordinance
Within the approximated floodplain district, the applicant shall also delineate a floodway area based on the requirement that all existing and future development not increase the one-hundred-year flood elevation more than one foot at any point. The engineering principle, equal reduction of conveyance, shall be used.