No room which has its floor below grade level shall be occupied as a habitable room unless it shall conform to all of the following standards in addition to all other requirements of this chapter for habitable rooms:
(a) The room shall have been originally designed and constructed, or legally converted to use as a habitable room.
(b) The walls and floor enclosing the room shall be maintained in such condition as to prevent the seepage or leakage of water into the room.
(c) All required openings for light and ventilation shall be located entirely above the adjoining grade level. However, the openings may face upon an areaway or window well where the width of the well measured perpendicularly to the building wall at the opening is not less than the distance from the bottom of the window to the finished grade at the window.
(d) The height of the finished ceiling of the room above the average adjoining ground level shall be more than fifty percent (50%) of the clear ceiling height of the room.
(Ord. 1974-28. Passed 5-15-74.)
(Ord. 1974-28. Passed 5-15-74.)