Part 890: ILLINOIS PLUMBING CODE

Section 890.1740 Combination Lavatory/Toilet a) The cabinet shall be of stainless steel (Type 304) with a minimum of 12 gauge for the cabinet and 14 gauge for the top. b) The cabinet top shall have a backsplash. c) The lavatory shall include adjustable control valves on the hot a…

Section 890.1750 Service Sinks/Lavatory a) Service sinks/lavatories shall be either stainless steel, cast iron complying with ASME A112.19.1/CSA B45.2, or vitreous china complying with ASME A112.19.2/CSA B45.1. Stainless steel service sinks/lavatories shall be fabricated of Type …

Section 890.1760 Sinks a) All sinks for food preparation or cleansing of utensils used to prepare food shall be of stainless steel (Type 304) construction, including framework and reinforcing. b) All welds shall be ground smooth, and exterior surfaces polished. c) All sinks shall…

Section 890.1770 Cabinet Showers a) All cabinet showers shall be unitized one-piece fixtures of stainless steel with the exposed surfaces polished, except the receptor which shall have a non-skid surface. All exposed welds shall be ground smooth and all construction is to be free…

Section 890.1780 Flush Valves a) All flush valves for water closets or urinals shall conform with Sections 890.650(e) and 890.660(b) of this Part. b) All flush valves shall feature rubber diaphragm operation, non-hold-open push buttons (and handles), union check stops and vacuum …

Section 890.1790 Soap Dishes Soap dishes shall be of the air circulating, self draining design.

Section 890.180 Sewer and Water Pipe Installation a) Trenching and Bedding. Trenches shall be of sufficient width to permit proper installation of the pipe. If shoring is required, ample allowance shall be made in the width of the trench for working conditions, based on the mater…

Section 890.1800 Floor Drains a) Location. Floor drains can be located either within a cell or outside the cell. b) Drain Cover. Each drain cover shall be securely anchored by means of vandal resistant screws.

Section 890.190 Piping Measurements Except where otherwise specified in this Part, all measurements between pipes, or between pipes and walls or footings, shall be made from the outside edge nearest the parallel pipe, wall or footing. (Source: Amended at 38 Ill. Reg. 9940, effect…

Section 890.1910 Inspections A plumbing system or any part thereof shall not be enclosed, covered up or used until the system has been inspected and approved by a plumbing inspector. It is the responsibility of the licensed plumber or plumbing contractor on the job to arrange for…

Section 890.1920 Testing of Plumbing Systems Defective Plumbing. Where there is reason to believe that the plumbing system fails to comply with this Part, the Department or local plumbing inspector may require such tests (see Section 890.1930) and inspections as may be necessary …

Section 890.1930 Test Methods a) Roughed-In Plumbing. The piping of plumbing drainage and venting systems shall be tested upon completion of the roughed-in piping installation by water or air to prove watertight. The Department or local plumbing inspector may require the removal …

Section 890.1940 General Administration The plans and specifications for a plumbing system whose design does not comply with this Part must be submitted to the Department for approval prior to installation of such a plumbing system. Such approval shall be in writing from the Depa…

Section 890.1950 Violations a) Notice of Violation 1) Violators of this Part shall be informed of any violation at the time of inspection, followed by a formal notice in writing, including a deadline date for correction of the violation(s). 2) Factors to be considered in establis…

Section 890.200 Operation of Plumbing Equipment a) All plumbing equipment required by this Part shall be operated in the manner intended by the manufacturer. No alteration or modifications to plumbing fixtures, equipment and appurtenances which would negate designed safety featur…

Section 890.210 Materials All materials, piping, fittings, appliances, appurtenances, faucets, fixture fittings, fixtures and devices used in all plumbing systems shall be approved by the Department, in accordance with the following criteria: a) Compliance with the requirements o…

Section 890.230 Safe Pan Material and Construction a) Material. Safe pans shall be made only of lead, copper, aluminum, galvanized steel, stainless steel, ABS, PVC or fiberglass material. 1) Lead sheets for safe pans shall weigh at least 4 pounds per square foot. 2) Copper sheets…

Section 890.310 Tightness Joints and Connections. Joints and connections shall be gas-tight and water-tight.

Section 890.320 Types of Joints a) Caulked joints. Caulked joints for (drain, waste and vent systems only) cast iron hub-and-spigot pipe shall be firmly packed with oakum or hemp and filled with molten lead at least 1 inch deep and be firmly caulked not to extend more than ⅛ inch…

Section 890.330 Special Joints a) Copper Tubing to Screwed Pipe Joints. Joints from copper tubing to threaded pipe shall be made by the use of a cast bronze or wrought copper adaptor fitting. The joint between copper tubing and the fitting shall be soldered or, if flared or compr…

Section 890.340 Use of Joints a) Clay Sewer Pipe. Joints in vitrified clay pipe or between vitrified clay pipe and metal pipe shall be made with a neoprene gasket and stainless steel bands or as provided in Section 890.320(f), (g) or (o), if applicable. b) Concrete Sewer Pipe. Jo…

Section 890.350 Unions Unions may be used in the drainage and venting system when accessibly located above ground. Unions shall be installed in a water supply system within 5 feet of regulating equipment, water heaters, water conditioning tanks, water conditioning equipment, pump…

Section 890.360 Water Closet and Pedestal Urinal Fixture connections between drainage pipes and water closets, floor outlet service sinks and pedestal urinals, and earthenware trap standards shall be made by means of brass, copper, hard lead, plastic, or iron flanges; caulked, so…

Section 890.370 Prohibited Joints and Connections in Drainage Systems Drainage System. Any fitting or connection which has an enlargement, chamber, or recess with a ledge, shoulder, or reduction of pipe area that offers an obstruction to flow through the drain is prohibited. No f…

Section 890.380 Increasers and Reducers Different Sizes. Where different sizes of pipes or pipes and fittings are to be connected, the approved proper size increasers, reducers or reducing fittings shall be used between the two sizes.

Section 890.410 Fixture Traps/Continuous Waste a) Fixture Traps. All directly connected plumbing fixtures, except those having integral traps, shall be separately trapped by a water-seal trap, placed as close to the fixture outlet as possible. A kitchen sink with up to three basi…

Section 890.420 Pipe Cleanouts a) Location of Cleanouts Within a Building Drain 1) Cleanouts shall be not more than 50 feet apart, including the developed length of the cleanout pipe, in horizontal drainage lines of 4 inches or less size. Cleanouts shall be not more than 100 feet…

Section 890.430 Cleanout Equivalent Fixture Trap. A fixture trap, readily removable and without disturbing concealed plumbing or requiring fixture removal, is acceptable as a cleanout equivalent, if there is no more than one (1) 90 degree bend on the line to be rodded. A water cl…

Section 890.440 Acid-Proof Traps Where a vitrified clay or other brittleware, acid-proof trap is installed underground, it shall be embedded in concrete to a thickness of six (6) inches from the bottom and side of the trap.

Section 890.510 Grease Interceptor Requirements Plumbing systems for institutions or commercial establishments in which grease, fats, culinary oils or similar waste products from kitchens or food processing areas are wasted, or in which grease, fats or culinary oils are wasted in…

Section 890.520 Gasoline, Oil and Flammable Liquids a) Commercial vehicle repair garages, gasoline stations with grease racks or pits, and oil change facilities shall be provided with floor drains or trench drains connected to a gas and oil interceptor. If these facilities are co…

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 inv…

Section 890.610 General Requirements - Material and Design a) Quality of Fixtures: Plumbing fixtures shall comply with approved designs, be constructed from approved materials, have smooth, impervious surfaces and be free of defects and concealed fouling surfaces. (See Appendix A…

Section 890.620 Overflows a) Design. When any fixture is provided with an overflow, the waste piping shall be so designed that the standing water in the fixtures cannot rise in the overflow when the stopper is closed or remain in the overflow when the fixture is emptied. b) Conne…

Section 890.630 Installation a) Cleaning. Plumbing fixtures shall be installed in a manner to afford easy access for cleaning. b) Securing Fixtures. Floor outlet or wall hung fixtures shall be secured by screws or bolts of copper, brass or other equally durable corrosion resistan…

Section 890.640 Prohibited Fixtures a) Drinking fountains shall not be installed in public toilet rooms. b) Fixed wooden, concrete, cement or tile wash trays or sinks used for food preparation, utensil washing, or hand washing shall not be installed in any food service establishm…

Section 890.650 Water Closets a) Public Use 1) Water closet bowls for public use shall be the elongated type, and the seat shall be an antimicrobial plastic open-front seat. Exception: Water closet bowls for public use may have closed-front seats provided that the seat is encased…

Section 890.660 Urinals a) Automatic Flushing Tank. 1) Flushing tanks shall be used for washout urinals only. Tanks flushing more than one (1) urinal shall be automatic, shall provide a sufficient volume of water to flush all urinals simultaneously, and shall flush at least four …

Section 890.670 Strainers and Fixture Outlets a) Strainers. All plumbing fixtures other than water closets, urinals with integral traps, and any sink outlet having a disposal unit shall be provided with a strainer. A pop-up waste shall be considered a strainer. b) Bathtubs − Wast…

Section 890.680 Lavatories a) Waste Outlets. Wastes shall have a strainer or stopper and have a waste outlet at least 1¼ inches in diameter. b) Lavatory Faucets. All lavatory faucets shall have air gaps as specified in Appendix A.Table C. c) When metering faucets are located on l…

Section 890.690 Shower Receptors and Compartments a) Shower Installation. All shower compartments, except those built directly on a slab floor or having receptors constructed of precast stone, terrazzo, concrete, molded stone, molded fiberglass, or an equally durable material suc…

Section 890.700 Sinks a) Waste Outlets. Kitchen sinks shall be provided with waste outlets at least 1½ inches in diameter. Other special purpose sinks such as bar sinks, lab sinks and dipper wells may have smaller waste outlets. Waste outlets shall be of the flat or basket (cup) …

Section 890.710 Food Waste Disposal Units a) Installation. Food waste disposal units shall be trapped separately from any other fixture or compartment, shall be connected directly to the sanitary drainage system, and shall be properly vented. Dishwashers shall not discharge into …

Section 890.720 Drinking Fountains a) Design and Construction. Drinking fountains shall conform to the standards specified in Appendix A.Table A. No modification of the mouth guard or nozzle shall be made. (See Appendix F.Illustration E.) b) Protection of the Water Supply 1) All …

Section 890.730 Floor Drains/Trench Drains a) Trap and Strainer. Floor drains shall be trapped and have a minimum water seal of 2 inches and shall be provided with a removable strainer. The open area of the strainer shall be at least ⅔ of the area of the drain line to which it co…

Section 890.740 Kidney Dialysis Machines a) The water supply inlet to kidney dialysis equipment shall have a reduced pressure principle backflow preventer assembly complying with ASSE 1013 or a fixed air gap. 1) A portable dialysis unit or machine shall have a reduced pressure pr…

Section 890.745 Dental Units a) A reduced pressure principle backflow preventer assembly conforming to ASSE 1013, or a fixed air gap, shall be installed on each dental unit or group of dental units. b) Dental vacuum systems connected to the water supply shall be provided with bac…