77 Ill. Adm. Code 890.1740
Combination Lavatory/Toilet
Section 890
Section 890.1740Â Combination
Lavatory/Toilet
a)Â Â Â Â Â Â Â Â The cabinet shall be of stainless steel (Type 304) with a
minimum of 12 gauge for the cabinet and 14 gauge for the top.
b)Â Â Â Â Â Â Â Â The cabinet top shall have a backsplash.
c)Â Â Â Â Â Â Â Â The lavatory shall include adjustable control valves on the
hot and cold, self-closing filler valve with a maximum ½ gpm flow control and a
combination penal filler/bubbler spout. A maximum of 115˚F temperature is
allowed.
d)Â Â Â Â Â Â Â Â The lavatory drain shall not have a mechanical air vent
attached.
e)Â Â Â Â Â Â Â Â Supply inlets to the lavatory shall have screw driver stops,
gate or globe valves.
f)Â Â Â Â Â Â Â Â The water closet shall have no less than a 3 inch diameter,
fully enclosed stainless steel toilet P-trap and shall pass a 2â…› inch
diameter ball.