77 Ill. Adm. Code 890.630
Installation
Section 890
Section 890.630 Installation
a) Cleaning. Plumbing fixtures shall be installed in a manner to
afford easy access for cleaning.
b) Securing Fixtures. Floor outlet or wall hung fixtures shall
be secured by screws or bolts of copper, brass or other equally durable
corrosion resistant materials.
c) Wall-Hung Fixtures. Wall-hung fixtures shall be rigidly
supported by a concealed metal supporting member so that no strain is
transmitted to the fixture connection.
d) Setting. Plumbing fixtures and traps shall be set level and
in a true alignment.
e) Potable Water Supply Connection. Hot and cold, tempered and
cold, or tempered water only shall be supplied to all plumbing fixtures that
are designed for hot and cold, tempered and cold, or tempered water. All
mixing faucets and single lever faucets shall have both hot or tempered and
cold water connected to them with the hot or tempered water supply on the left
side of the faucet. The cross piping of hot or tempered and cold water to a
mixing faucet by internal modification of the faucet shall not be allowed. Each
lavatory and sink faucet shall have supply pipes that are accessible.
f) Improper Location. Piping, fixtures or equipment shall not be
located or installed so as to interfere with the normal operation of windows,
doors or other exit openings. Plumbing fixtures shall be installed in an area
where there is sufficient room for the fixture to be used for its intended
purpose.
g) When plumbing is installed it shall meet the requirements of
the Illinois Accessibility Code.
h) Surrounding Materials. Where water closets or urinals are
installed for public use, the flooring under the fixture base extending to at
least 18 inches from the front and both sides of the water closet or urinal,
and extending from the back of the water closet or urinal to the wall, shall be
of non-absorbent material.
i) A water heater thermostat shall not be an acceptable
alternative water temperature control device.