e. A required window in every room shall comply with the provisions of subdivision c of section 27-2058 of article one of this subchapter, except that the total area of all windows in such room shall be at least one-eighth of the floor area of the room and the top of each window shall be located not more than one foot from the ceiling.
f. Except as provided in subdivision g, not more than one apartment, as recorded in the certificate of occupancy, shall be located in the cellar unless the yard is sixty feet or more in depth. Such apartment shall contain no more than five rooms and a bathroom and shall be occupied either by the janitor or a rent-paying tenant, if no member of the family is under the age of sixteen years. No required window in any room of such apartment shall open upon a court less than five feet in width. Every part of the apartment shall be:
(1) Within twenty-five feet of the inner surface of the front or rear wall of the dwelling, or
(2) Have a window opening upon a court of the dimensions provided in subdivision seven of section twenty-six of the multiple dwelling law but in no event shall such court be less than ten feet in width.
g. A maximum of three additional rooms may be located in the cellar exclusively for the use of persons regularly and continuously employed in the maintenance of such dwelling. Each such room:
(1) Shall be completely separated from any other room or private hall;
(2) Shall have access to at least one bathroom without passing through the apartment provided for in subdivision f; and
(3) Shall comply with the provisions of subdivision f for required windows.