77 Ill. Adm. Code 890.910
Hangers, Anchors and Supports
Section 890
Section 890.910Â Hangers,
Anchors and Supports
a)        General. Hangers, anchors and supports shall be of material
and strength to support the piping and its contents and maintain its proper
alignment. Hangers, anchors and supports shall be securely attached to the
building construction at sufficient intervals to support the piping and its
contents. Provisions shall be made to allow for expansion, contraction,
structural settlement and vibrations. Installation shall be in accordance with
manufacturers' directions if more stringent than this Part.
b)        Material. Hangers, anchors and supports shall be of metal or
other material strong enough to support the piping when full. Piers may be of
concrete, brick or other approved materials.