Where appropriate to the particular use or because of the configuration or design of buildings on the site, there shall be a minimum of one trash/garbage pickup location separate from the parking and loading areas and located either within or outside a building in steel-like totally enclosed container(s) located and screened to be obscured from view from parking areas, streets and adjacent residential uses or residential zoning districts. If located within the building, the doorway(s) may serve both the loading and trash/garbage collection functions. If a container used for trash/garbage collection functions is located outside the building, it may be located adjacent to or within the general loading areas, provided that the containers in no way interfere(s) with or restricts the loading and unloading functions.