Sec. 27-109

Floodplain

• Anchoring required to prevent flotation

  New construction and substantial improvements shall be built according to this article and the VA USBC, and anchored to prevent flotation, collapse, or lateral movement of the structure.

• Maintain flood-carrying capacity of watercourse

  The flood-carrying capacity within an altered or relocated portion of any watercourse shall be maintained.

• Construction methods to minimize flood damage

  New construction or substantial improvements shall be constructed by methods and practices that minimize flood damage.

• Flood damage-resistant materials required

  New construction and substantial improvements shall be constructed with materials and utility equipment resistant to flood damage.

• Sanitary sewage systems to minimize flood infiltration

  New and replacement sanitary sewage systems shall be designed to minimize or eliminate infiltration of flood waters into the systems and discharges from the systems into flood waters.

• Utility equipment protection from floodwaters

  Electrical, heating, ventilation, plumbing, air conditioning equipment, and other service facilities, including duct work, shall be designed and/or located so as to prevent water from entering or accumulating within the components during conditions of flooding.

• On-site waste disposal systems to avoid impairment

  On-site waste disposal systems shall be located and constructed to avoid impairment to them or contamination from them during flooding.

• Water supply systems to minimize flood infiltration

  New and replacement water supply systems shall be designed to minimize or eliminate infiltration of flood waters into the system.

• Permit required for watercourse alteration

  Prior to any proposed alteration or relocation of any channels or of any watercourse, stream, etc., within this jurisdiction a permit shall be obtained from the U.S. Corps of Engineers, the Virginia Department of Environmental Quality, and the Virginia Marine Resources Commission