It shall be the duty of the building inspector of the city to inspect sidewalks on public streets and avenues for the purpose of discovering defects and required repairs. When any defects or required repairs are noted by the building inspector on such sidewalks, it shall be the duty of the building inspector to serve written notice on the owners of property abutting against such defective sidewalk, the owner's agent or person occupying such property, and ordering that the same be repaired within fifteen days thereafter. (Amended during 1992 codification: prior code § 4-4-18)