It is unlawful for any person, firm or corporation to construct, erect, place, operate, maintain, or permit to exist any icebox, ice dock, gasoline pump, gasoline storage reservoir, tire rack, tire tools or equipment, water hose connection, any mercantile business, or any tools, stand, equipment, merchandise, or appurtenances thereof, aerials, poles, or wires therefor, whether permanent or temporary, or any other obstruction, upon any part of any street, alley, boulevard, parkway, curbing, or parking within the city. (1985 Code ch. 19 § 1-4)