For purposes of this section only, the boundaries of the Special Flood Hazard Area or Future Conditions Flood Hazard Area for a development or a discrete phase of a development are established if all of the following conditions are met:
(A) The development is approved for construction;
(B) A substantial investment is made in constructing the development.
(C) In addition to satisfying the other requirements of this Ordinance, all proposals for development plans shall:
(1) Be consistent with the need to minimize flood damage;
(2) Have public utilities and facilities, such as wastewater, gas, electrical, and water systems, located and constructed so as to minimize flood damage;
(3) Have all proposed residential structures located outside the Special Flood Hazard Area or Future Conditions Flood Hazard Area, with the lowest floor, including basement, elevated at least two (2) feet above the base flood elevation;
(4) Have all proposed non-residential structures located outside of the Special Flood Hazard Area or Future Conditions Flood Hazard Area, with the lowest floor, including basement, located at least two (2) feet above the base flood elevation. (Note that an approved special use may permit structures in a flood fringe - see Section 3.12.3).
(5) Have all drainage structures located within the Flood Hazard Area designed to accommodate the one percent (1%) annual chance flood without causing increased base flood elevations on properties other than that for which development approval is being requested;
(6) Shall provide base flood elevation data along with the development plan, which is submitted to Cary for approval.