A.    The minimum area for a PRUD shall be as follows:

    1.    Six (6) acres in an R-1 and RA-1 zone;

    2.    Four (4) acres in an R-2 zone;

    3.    Three (3) acres in an R-3 and R-4 zone.

    B.    The maximum density allowed within a PRUD shall be as follows:

    1.    RA-1 zone: Four (4) units per acre;

    2.    R-1 zone: Four (4) units per acre;

    3.    R-2 zone: eight (8) units per acre;

    4.    R-3 zone: twelve (12) units per acre;

    5.    R-4 zone: sixteen (16) units per acre.

    C.    Land used for schools, churches and other nonresidential buildings shall not be included in the lot area for determining the number of allowable dwelling units.

    D.    All proposed residential developments, with the exception of normal land subdivision, within the City equal to or in excess of the minimum area requirements for a PRUD as set forth in this section shall comply with the provisions of this chapter and be developed as a PRUD. Land to be developed as a normal subdivision will be subject to the provisions of the subdivision ordinance of the City. (PZSC § 03-07-003)