There shall be a planning and zoning department headed by a planning and zoning director appointed by the parish president. Under the supervision of the president and with the advise [advice] of the planning commission, the planning and zoning director shall:

i.          Conduct studies necessary to prepare official maps and other maps, plats, charts and reports which, taken together, will constitute a proposed master plan for the social, economic and physical development of the parish. Such proposed plan shall be submitted to the planning commission for review and shall include, but shall not be limited to recommendations for: the most desirable density of population in the various parts of the parish; the most desirable use of land for residential, commercial, agricultural, industrial and other purposes; a system of principle [principal] streets, highways and other public ways, parks, playgrounds and recreation; the general location, relocation and improvements of public buildings; the extent and general location of public utilities, whether privately or publicly owned, for water, sewerage, drainage, light, power, transit and other purposes; the extent and general location of air, water, rail and bus terminals; the extent and location of public housing projects.

ii.          After review by the planning commission, prepare and recommend ordinances designed to effectuate the plans, including, but without limitation, zoning, subdivision and other regulations necessary to insure the application of such regulations to all situations in the parish. The recommended ordinances, or changes and amendments thereto shall be presented by the president to the council in accordance with the provisions of general and special laws of the state applicable to St. Charles Parish.

iii.         Advise the planning commission in the exercise of its responsibilities and in connection therewith, provide necessary staff assistance.