Section 27-2064. Size and construction of water closet compartments

a. Every
  water  closet  compartment  shall  be  at least two feet, four inches in
  clear width.
    b. The walls enclosing every water  closet  compartment  shall  extend
  from floor to ceiling except in general toilet or bath rooms.
    c.  The  walls of every water closet compartment and general toilet or
  bath room shall be plastered, tiled or covered  with  similar  materials
  approved by the department.
    d.  The  floor of every water closet compartment, bath room or general
  toilet  room  shall  be  waterproofed  with  material  approved  by  the
  department.  Such  waterproofing  shall extend at least six inches above
  the floor, except at the doors.
    e. Drip trays are prohibited.
    f. No water closet or other plumbing fixture shall  be  enclosed  with
  any woodwork.