Special Waste Interceptors

Section 890 Section 890.530  Special Waste Interceptors a)         Catch Basins.  In all motor vehicle wash racks, drainage shall discharge into a water-tight 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 trapseal of at least 6 inches 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. 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 or heavy solids.) shall have an interceptor installed that 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.