If the owner of any lot or parcel of land fronting or abutting where any curb or sidewalk shall have been ordered constructed, repaired or removed or obstruction removed therefrom shall refuse, fail or neglect to have the work specified done or commenced within thirty (30) days, as notified, the city shall procure the same to be done either by a contractor or by its duly authorized officers. (Ord. 01-2001, 3-20-2001)