A.    All lands not utilized for building sites, and public uses shall be owned in common in accordance with the provisions of Section 17.54.530;

    B.    A minimum of five hundred (500) square feet per dwelling unit (exclusive of private streets) of the common areas provided shall:

    1.    Not exceed a maximum gradient of ten percent,

    2.    Be assembled in minimum areas measuring not less than ten thousand (10,000) square feet, not less than one hundred (100) feet in width or depth;

    C.    All portions of the common areas used for active recreation areas shall be located not less than fifty (50) feet from any dwelling unit. (Prior gen. code § 8-97.1)