Dangerous buildings unfit for human habitation shall be those buildings or premises possessing any of the following defects, as determined by the Building Official.
(a)   Structures whose interior or exterior bearing walls or other vertical structural members list, lean, or buckle to such an extent as to weaken the structural support they provide.
(b)   Structures which, exclusive of the foundation, show damage to or deterioration of approximately 1/3 or more of the supporting member or members, or damage or deterioration of approximately 1/2 or more of the nonsupporting enclosing or outside walls or covering.
(c)   Structures which have improperly distributed loads upon the floors or roofs or in which the same are overloaded to a dangerous degree, or which have insufficient strength to be reasonably safe for the purpose used.
(d)   Structures which have been so damaged by fire, wind, or other causes as to no longer provide adequate shelter from the elements, or which have become dangerous to life, health, safety, morals, or the general welfare of the occupants or the public.
(e)   Structures lacking facilities required by this or other City ordinances or codes, for egress in case of fire or panic, or those having insufficient stairways, elevators, fire escapes, or other means of access.
(f)   Structures and premises lacking the minimum light, air, and sanitation facilities required by this or other City ordinances or codes for the protection of present and future occupants.
(g)   Structures which have parts or appurtenances which are so attached that they may fall and injure occupants or the general public, or damage property.
(h)   Structures and premises which have become or are dilapidated, decayed, unsafe, unsanitary, or vermin-infested, or which are likely to cause sickness, disease, or injury to occupants or the general public.
(i)   Structures and premises which constitute a serious hazard to the health or safety of the occupants or the general public because of the location, general conditions, state of the premises, or overcrowding.
      (1980 Code 172.01)