Section 653.805  Fire Protection Systems

A reduced pressure principle backflow preventers shall be installed to protect the community water supply against backflow and backsiphonage when:

a)         the fire safety system contains antifreeze, fire retardant or other chemicals;

b)         water is pumped into the fire safety system from another source; or

c)         water flows into the fire safety system by gravity from a non-potable source; or

d)         there is a connection whereby water can be pumped into the fire safety system from any other source.

(Source:  Amended at 9 Ill. Reg. 17367, effective October 23, 1985)