The owner or occupant of every lot or parcel
fronting upon any public street or traveled highway, in front of which
parcel a sidewalk, curbstone or gutter has been or shall be laid,
shall at all times maintain or keep such sidewalk, curb or gutter
in good repair and so as to be safe, easy and commodious for persons
using the highway. In case of major repair and replacement, all such
repairs and replacement shall be made of materials approved by City
Council pursuant to § 88 of the City Charter.