C. Base Flood Elevation: Base flood elevation data shall be generated for subdivision proposals and other proposed development which is greater than the lesser of fifty (50) lots or five (5) acres, if not otherwise provided pursuant to subsection 10-2-5B and section 10-2-9 of this chapter.
D. Drainage: All subdivision proposals shall have adequate drainage provided to reduce exposure to flood hazards.
E. Public Utilities: All subdivision proposals shall have public utilities and facilities such as sewer, gas, electrical and water systems located and constructed to minimize flood damage. (1990 Code § 12-518)