The Plan and Zoning Commission shall have and possess the following powers and such other powers as may be incidental to the successful carrying out of the powers vested in it by this section, or such as may be expressly conferred upon it by law:
1. To make such surveys, studies, maps, plans or plats of the whole or any portion of the City and of any land outside thereof which, in the opinion of the Commission, bear relation to a comprehensive plan. The Commission shall submit such plan to the Council with its studies and recommendations, and it may publish the same.
2. To make recommendations for the location or erection of statuary, memorials or works of art in public places, public buildings, bridges, viaducts, street fixtures, public structures or appurtenances and the sites therefor.
3. To make recommendations upon plans, plats or replats of subdivisions or resubdivisions which show streets, alleys, or other portions of the same intended to be dedicated for public use.
4. To make recommendations for street, park, parkway, boulevard, trafficway, or other public improvements.
5. To carry on comprehensive studies of present conditions and the future growth of the City in order to guide and accomplish a coordinated, adjusted and harmonious development of the City, in accordance with the present and future needs thereof, to the end that the health, safety, morals, order, convenience, prosperity and general welfare may be best promoted.
6. To conduct a public hearing upon the adoption of such comprehensive plan or any amendment thereto.
7. To prepare a comprehensive plan regulating the height, number of stories and size of buildings and other structures; the percentage of ground that may be occupied; the size of yards, courts and other open spaces; the density of population; and the location and use of buildings, structures and land for trade, industry, residence or other purposes. To this end, the Commission shall prepare a preliminary report and hold hearings thereon and, after such hearings have been held, shall submit its final report and recommendations to the Council.
8. To recommend to the Council, from time to time, as conditions require, amendments, supplements, changes, or modifications in the comprehensive plan prepared by it.
9. To do all things necessary or advisable in order to carry out the intent and purpose of this chapter and all other laws relating to this subject and to the State laws, as they now exist or as amended or supplemented.