In the event the owner does not trim or remove any tree, plant, shrubbery, weeds, grasses or vines, or any part thereof, in accordance with the provisions of this chapter, then the Public Service Director is authorized and it is declared to be his duty to have enforced the provisions of this chapter, and to cause to be trimmed or removed the tree, plant or shrubbery, or part thereof, and cut and remove all vines, weeds and grass.