§ 162.050 PLANNED UNIT DEVELOPMENTS.
   (A)   As used in this chapter, the term PLANNED UNIT DEVELOPMENT (PUD) means a development wherein, in accordance with an approved development plan:
      (1)   Common open space is reserved;
      (2)   Various housing types and other structures and uses may be mixed; and/or
      (3)   Overall average density does not exceed the usual zoning district limit.
   (B)   This chapter authorizes development of PUDs and establishes PUD procedures in order to achieve the objectives enumerated in § 162.001 of this chapter and the following additional objectives:
      (1)   To provide a regulatory mechanism whereby the city can be assured that upon completion, approved development projects will substantially conform to the plans or models which constituted the basis for the city’s issuance of the necessary zoning, subdivision and/or building permits;
      (2)   To permit development of a wide variety of housing types and other structures and uses in a single comprehensively planned project;
      (3)   To preserve the natural topography, scenic features, mature trees and historic structures existing on sites proposed for development;
      (4)   To encourage innovative site layouts and coordinated architectural treatment of different housing types and other structures;
      (5)   To ensure the provision of usable common open space in planned developments and to spur installation of various amenities therein; and
      (6)   To facilitate the economical installation of standard streets, sewers, utilities and other improvements.
(1960 Code, § 60-4-1)