A.   A planned unit development may include a combination of different dwelling types, building arrangements and/or a variety of land uses which complement each other and harmonize with existing and proposed land uses in the vicinity. The purpose of the district is to:

      1.   Create a more desirable living, working and shopping environment by means of integrated plan development.

      2.   Encourage the development of more imaginative subdivision and better use of land.

      3.   Integrate home areas with parks and public use areas such as schools.

      4.   Permit better site planning.

      5.   Provide an incentive of higher density or reduced setback requirements to the developer in exchange for provision of permanent parks, open spaces or other amenities.

   B.   In order to provide locations for well planned developments which conform with the objectives of this title although they deviate in certain respects from the zoning map and the district regulations, the planning and zoning commission has authority to recommend use permit for planned unit developments provided the developments comply with the regulations prescribed in this chapter. (1971 Code)

A planned unit development may be located in any zoning district upon the granting of a use permit in accordance with the provisions of this chapter. (1971 Code)

A planned unit development shall generally include only those uses permitted either as permitted uses or conditional uses in the zoning district in which the planned unit development is located, subject to the following exceptions:

   A.   A mixture of dwelling types may be located within any of the residential districts; provided that the character of or the majority of the units is the same as the district in which it is located.

   B.   Certain uses such as schools, hospitals, recreation, other public uses and small commercial uses, all of which are an integral part of the development, may be permitted. (1971 Code)

The minimum site area of a planned unit development shall be two and five-tenths (2.5) acres in a commercial zone and five (5) acres in a residential zone and ten (10) acres in an industrial zone. (1971 Code)

Standards of site area and dimensions, site coverage, yard spaces, heights of structures, distances between structures, off street parking and off street loading facilities and landscaped areas shall in the aggregate be at least equivalent to the standards prescribed by the regulations for the district in which the planned unit development is located.

The average population density per net acre shall not exceed that maximum population density prescribed by the site area regulations or the site area per dwelling unit regulations for the district in which the planned unit development is located, subject to the exception that the maximum population density prescribed for the district be not more than twenty percent (20%) in a planned unit development on a site of five (5) acres or more. (1971 Code)

The regulations prescribed in title 11 of this code (subdivision regulations) shall control the procedure for making application for a permit for a planned unit development, the public hearing, the investigation and report, the action of the planning and zoning commission and the regulations governing lapse of a permit and the new applications subject to the following exceptions:

   A.   The application shall be accompanied by a development plan of the entire planned unit development, drawn to scale and showing the contours of the site; provisions for drainage of surface waters; watercourses; railroad and public utility rights of way; streets; driveways; pedestrian walks; off street parking and off street loading facilities; reservations for public uses, including parks, playgrounds and other open spaces; private uses, including dwelling types; lot layout, locations and heights of structure and landscaped areas.

   B.   In addition to the date and drawings prescribed in title 11 of this code, the application shall be accompanied by a tabulation of the area proposed to be devoted to each land use and a tabulation of the average population density per net acre and per gross acre in the area or areas proposed to be devoted to residential use.

   C.   The planning and zoning commission may recommend granting a permit for a planned unit development as the permit is applied for in modified form if, on the basis of the application and for the evidence submitted, it makes the following findings:

      1.   The proposed location of the planned unit development is in accord with the objectives of the comprehensive general plan, the zoning ordinance and the purpose of the district in which the site is located;

      2.   The proposed location of the planned unit development and the conditions under which it would be operated or maintained will not be detrimental to the public health, safety or welfare or materially injurious to properties or improvements in the vicinity;

      3.   The proposed planned unit development will comply with each of the applicable provisions of this title;

      4.   The standards of population density, site area and dimensions, site coverage, yard spaces, heights of structures, distances between structures, off street parking and off street loading facilities and landscaped areas will produce an environment of stable and desirable character consistent with the objectives of the zoning provisions;

      5.   The standards of population density, site area and dimensions, site coverage, yard spaces, height of structures, distances between structures and off street parking and loading facilities will be such that the development will not generate more traffic than the streets in the vicinity can carry without congestion and will not overload utilities;

      6.   The combination of different dwelling types and/or the variety of land uses in the development will complement each other and will harmonize with the existing and proposed land uses in the vicinity. (1971 Code)