All buildings and structures, and parts and appurtenances thereof, both existing and hereafter erected, moved, changed or installed, shall be so maintained that the occupants and users thereof and others are reasonably safe from the hazards of fire, explosion, collapse, contagion and spread of infectious disease. If found not so maintained, the necessary corrective work, repair, replacement or removal may be ordered under the provisions of the Property Maintenance Code. (Ord. 2011-009, 5-10-2011)