TITLE 77: PUBLIC HEALTHHome
PART 890 ILLINOIS PLUMBING CODE
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SECTION 890.530 SPECIAL WASTE INTERCEPTORS
Section 890.530 Special Waste Interceptors
a) Catch Basins. In all motor vehicle wash racks, drainage shall discharge into a watertight catch basin at least 36 inches in diameter, or 3 feet by 2½ feet (rectangular shape). The bottom shall not be less than 27 inches below the invert of the outlet pipe. The outlet pipe shall be trapped with a catch basin trap and shall be constructed of cast iron or schedule 40 plastic with a seal of at least 6 inches in diameter and a cleanout of at least 4 inches in diameter.
b) Commercial laundries shall be equipped with an interceptor having a removable wire basket or similar device that will prevent materials detrimental to the sewage system from passing into the system. (See Appendix E: Illustration E.)
c) Sand, bottle and slaughter houses that will produce wastes that either settle or float (Example: oil or grease from meat packing operations, bottling establishments, heavy solids, etc.) shall have an interceptor installed which complies with Section 890.510(a).
d) Interceptor for Special Waste. Before installing any interceptor for any other flammable or special wastes, a drawing including all pertinent information shall be submitted to the Department for approval.
(Source: Amended at 28 Ill. Reg. 4215, effective February 18, 2004)