Section 27-292.10. Usable spaces

--(a) Functional spaces and rooms.
    (1) Except as otherwise provided in section 27-292.5, spaces and rooms
  intended  for  general  public  and occupant use shall be accessible and
  usable. Such spaces and rooms include but are not necessarily limited to
  the following:
    Mercantile spaces
    Industrial spaces
    Business spaces
    Assembly spaces
    Educational spaces
    Institutional spaces
    Toilet rooms
    Bathrooms, bathing facilities, shower rooms.
    (2) Doors and floor surfaces in usable spaces shall  comply  with  the
  requirements set forth in reference standard RS 4-6.
    (3)  Where seating, tables and/or work stations are provided in usable
  spaces, at least one and not less than five percent  shall  comply  with
  the requirements set forth in reference standard RS 4-6.
    (b)  Toilet  rooms.--(1)  The  location  and  number of water closets,
  urinals  and  lavatories  shall  be  provided  in  accordance  with  the
  requirements set forth in table RS 16-5.
    (2)  Except  where  exempted in subdivision (i) of section 27-292.5 or
  section 27-292.6, facilities for  people  having  physical  disabilities
  shall  be  provided in toilet rooms or in a readily accessible location.
  Where such toilet room is designed for use by not more than  one  person
  at  a  time  and  has provision for locking from the inside, such toilet
  room shall be permitted to be used by either sex.
    (3) Where toilet rooms are not accessible by elevator, they  shall  be
  located so that people having physical disabilities need not travel more
  than one story thereto by ramp.
    (c)  Bathing  facilities.--(1)  The  location  and  number of plumbing
  fixtures shall be provided in accordance with the requirements set forth
  in table RS 16-5 and in reference standard RS 4-6.
    (2) Each required bathing facility shall be accessible  and  at  least
  one  of  each  type  of  fixture  or  accessory that is provided in such
  bathing facility shall comply with the requirements set forth  in  table
  RS 16-4 and in reference standard RS 4-6.