No person shall erect, construct, place, keep, maintain, continue, employ or operate any pole or overhead wire or associated overhead structure on any public street, alley or way within an underground utility district, or neglect to take down and remove any such pole, overhead wire or associated overhead structure within the time designated in an ordinance adopted pursuant to this Article. Each consecutive 15-day period during which the failure to comply with the provisions of this Article shall continue shall constitute a separate offense.