The owner of the real property shall be primarily liable for any injury proximately caused by failure to comply with this Code. Owners have an affirmative duty to remove snow and ice from the sidewalks adjacent to their property under this article to protect public safety. Violation of this article shall constitute negligence per se. (Ord. 90-159; Ord. 93-141; Ord. 99-110; Ord. 01-42)