Ill. Admin. Code tit. 35, § 653.805 - Fire Protection Systems (Repealed)
Notes
Amended at 9 Ill. Reg. 17367, effective October 23, 1985
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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.
Notes
Amended at 9 Ill. Reg. 17367, effective October 23, 1985