• 18-29-401 General.

18-29-402  Fixture Materials.

18-29-402.1  Quality of fixtures.

Plumbing fixtures shall be constructed of approved materials, with smooth, impervious surfaces, free from defects and concealed fouling surfaces. Such fixtures shall conform to standards cited in this article. All porcelain enameled surfaces on plumbing fixtures shall be acid resistant.

18-29-402.1.1  Used fixtures.

Where used fixtures are to be installed in any new or existing building, such fixtures shall be subject to the inspection and approval of the plumbing inspector. No used plumbing fixture shall be installed in any building unless such fixture is structurally sound and free from cracks or other defects. No sink, toilet, urinal, bathtub, laundry tray, slop sink, or wash bowl which has been used in any building or elsewhere shall be installed in any building, unless such fixture has before installation been thoroughly washed and disinfected in a solution approved by the board of health. The plumbing inspector shall ensure that this provision is strictly enforced and that no used fixture which may cause the spread of infection or disease is installed in any building in this city. No used fixture, even if structurally sound and in sanitary condition, shall be installed in any building in this city, unless such fixture is of the design required by the provisions of this article for a similar new fixture.

18-29-402.2 Materials for specialty fixtures.

� � �Materials for specialty fixtures not otherwise covered in this article shall be of stainless steel, soapstone, chemical stoneware or plastic, or shall be lined with lead, copper-base alloy, nickel-copper alloy, corrosion-resistant steel or other material especially suited to the application for which the fixture is intended.

18-29-402.3� Sheet copper.

� � �Sheet copper for general applications, shower pans or flashing of fixtures shall conform to ASTM B 152 and shall weigh not less than 12 ounces per square foot (3.7 kg/m2).

18-29-402.4� Sheet lead.

� � �Sheet lead for shower pans shall weigh not less than 4 pounds per square foot (19.5 kg/m2) and the sheet lead shall be coated with an asphalt paint or other approved coating.

18-29-402.5� Fixture strainer.

� � �Every fixture other than a water closet, pedestal urinal, clinic service sink or hospital fixture and every floor drain, shall be provided with a metallic strainer.

18-29-402.6� Fixture overflow.

� � �A new or existing overflow pipe if provided for a fixture, shall be connected on the inlet side of the trap and shall be accessible for cleaning.

18-29-403� Minimum Plumbing Facilities.

18-29-403.1� Minimum number of fixtures.

� � �Plumbing fixtures shall be provided for each occupancy and use in the minimum number shown in Table 18-29-403.1.� Occupancies and uses not shown in Table 18-29-403.1 shall be considered individually by the building commissioner.� Occupancies and the number of persons (for various occupancies and uses) shall be as determined by Chapter 13-56.

Table 18-29-403.1
Minimum Number of Plumbing Facilities a for New Buildings or Buildings With a Change of Occupancy

For a printer-friendly PDF version of Table 18-29-403.1, please click here.

a The fixtures shown are based on one fixture being the minimum required for the number of persons indicated or any fraction of the number of persons indicated. The number of occupants shall be determined by the building code.

b Fixtures located in adjacent buildings under the ownership or control of the church shall be made available during periods the church is occupied.

c Toilet facilities for employees shall be separate from facilities for inmates or patients.

d A single-occupant toilet room with one water closet and one lavatory serving not more than two adjacent patient rooms shall be permitted where such room is provided with direct access from each patient room and with provisions for privacy.

e For day nurseries, a maximum of one bathtub shall be required.

f For attached one- and two-family dwellings, one automatic clothes washer connection shall be required per 20 dwelling units.

(Amend Coun. J. 3-27-02, p. 82090,�� 3; Amend Coun. J. 11-13-07, p. 14999, Art. II,�� 1)

18-29-403.2� Separate facilities.

� � �Where plumbing fixtures are required, separate facilities shall be provided for both genders.

� � �Exceptions:

� � �� � �1.� � �Separate facilities shall not be required in residential occupancies.

� � �� � �2.� � �Separate employee facilities shall not be required in occupancies in which five or less people are employed.

� � �� � �3.� � �Separate facilities shall not be required in structures or tenant spaces in which food or beverage is served for consumption within the structure or tenant space when the total occupant load is five or less, including both employees and customers.

18-29-403.3� Number of occupants for both genders.

� � �The required water closets, lavatories, and showers or bathtubs shall be distributed equally between genders based on the percentage of both genders anticipated in the occupant load.� The occupant load shall be composed of 50 percent for both genders, unless statistical data approved by the building commissioner indicate a different distribution of both genders.

(Amend Coun. J. 3-5-03, p. 104990,�� 48; Amend Coun. J. 11-13-07, p. 14999, Art. II,�� 1)

18-29-403.4� Location of employee toilet facilities in occupancies other than assembly or mercantile.

� � �Access to toilet facilities in occupancies other than mercantile and assembly occupancies shall be located within the employees� regular working area. The required toilet facilities shall be located not more than one story above or below the employees� regular working area and the path of travel to such facilities shall not exceed a distance of 200 feet (61 m). Employee facilities shall be either separate facilities or public customer facilities.

� � �Exception: Facilities that are required for employees in storage structures or kiosks, situated in adjacent structures under the same ownership, lease or control, shall be located at a maximum travel distance of 500 feet (152 m) from the employees� regular working area.

18-29-403.5� Toilet facilities in mercantile and assembly occupancies.

� � �Employees shall be provided with toilet facilities in buildings and tenant spaces utilized as restaurants, nightclubs, places of public assembly and mercantile occupancies. The employee facilities shall be either separate facilities or public customer facilities.

� � �Exception: Employee toilet facilities shall not be required in tenant spaces of 900 square feet (84 m2) or less where the travel distance from the main entrance of the tenant space to a central toilet area does not exceed 200 feet (61 m) and such central toilet facilities are located not more than one story above or below the tenant space.

18-29-403.6� Customer facilities.

� � �Customers, patrons and visitors shall be provided with public toilet facilities in structures and tenant spaces intended for public use and utilized as restaurants, nightclubs, places of assembly, business and mercantile occupancies. Customer toilet facilities shall be located not more than one story above or below the space required to be provided with customer toilet facilities and the path of travel to such facilities shall not exceed a distance of 200 feet (61 m). In covered mall buildings, required facilities shall be based on total square footage, and facilities shall be installed in each individual store or in a central toilet area located in accordance with this section. The maximum travel distance to the central toilet facilities in covered mall buildings shall be measured from the main entrance of any store or tenant space.

� � �Exception: Toilet facilities for the public shall not be required in mercantile units of less than seven thousand five hundred (7500) square feet in gross area. In mercantile units of seven thousand five hundred (7500) square feet or more in gross area the occupancy content shall be determined by dividing the net floor area used by the public, as shown in an actual floor plan layout, by one hundred (100), or a minimum of twenty- five percent (25%) of the gross area whichever is smaller.

(Amend Coun. J. 3-27-02, p. 82090,�� 3)

18-29-403.6.1� Pay facilities.

� � �Required facilities shall be free of charge and designated by legible signs for both genders. It is prohibited to charge any sum of money for the use of any toilet facility in any municipally owned building or any building that is open to accommodate or serve the public.

18-29-403.6.1.1� Included buildings.

� � �As used herein,��building that is open to accommodate or serve the public� shall include the following: hotel, motel, inn, department store, restaurant, cafeteria, lunchroom, lunch counter, soda fountain, tavern, motion picture house, theater, concert hall, sports arena, stadium or other place of exhibition or entertainment, airport, railroad station or terminal, bus station or terminal, clothing store, food store, gas station, garage, bank or office building.

18-29-403.7� Drinking fountains.

� � �Drinking fountains shall be of an approved type and shall be located on the same floor or one floor above or below and within 200 feet (61 m) of all locations at which workers are regularly employed. No bubbler shall be installed on or above any plumbing fixture other than a drinking fountain. No drinking fountain or bubbler shall be installed in any toilet room, except in penal institutions.

18-29-403.8� Multiple dwellings.

� � �In multiple dwellings and institutional units, toilet rooms shall be provided on every floor having sleeping accommodations.

18-29-403.9� Kitchens.

� � �Except in family units, no bathroom or toilet room shall open directly into a room where food is prepared, stored or served without an intervening vestibule.

18-29-404� Accessible Plumbing Facilities.

18-29-404.1� Where required.

� � �Accessible plumbing facilities and fixtures shall be in compliance with the Illinois Accessibility Code.

18-29-405� Installation of Fixtures.

18-29-405.1� Water supply protection.

� � �The supply lines and fittings for every plumbing fixture shall be installed so as to prevent backflow.

18-29-405.2� Access for cleaning.

� � �Plumbing fixtures shall be installed so as to afford easy access for cleaning both the fixture and the area around the fixture. All traps not integral with the fixtures shall be accessible for cleaning. When a��P� trap is used on a bath waste it shall be directly below the tub overflow. The overflow shall be fastened to the tub by means other than the face plate. Face plates shall be clearly marked��clean out.�

18-29-405.2.1� Toilet room construction.

� � �Rooms or spaces containing water closets, urinals, bathtubs, or showers shall have floors of nonabsorbent materials and shall be entirely separated from other rooms by solid partitions extending from floor to ceiling without openings, except as required for access or mechanical ventilation.

18-29-405.2.2� Day care centers.

� � �The requirement for floor-to-ceiling partitions shall not apply to day care centers where supervised boys� and girls� toilets are provided exclusively for children under six years of age. Such supervised children�s toilet areas adjacent to and serving one or more classrooms shall be grouped into boys toilets and girls� toilets. Boys� and girls� toilets shall be separated from the other and from the classrooms by modesty panels at least 4 feet (1220 mm) high and shall utilize special children�s water closets. Lavatories shall be located in a common vestibule serving separate boys� and girls� toilets.

18-29-405.3� Setting.

� � �Fixtures shall be set level and in proper alignment with reference to adjacent walls.

18-29-405.3.1� Water closets, lavatories and bidets.

� � �A water closet, lavatory or bidet shall not be set closer than 15 inches (380 mm) from its center to any side wall, partition, vanity or other obstruction, or closer than 30 inches (760 mm) center-to-center between toilets or adjacent fixtures. There shall be at least 18 inches (457 mm) clearance in front of the water closet or bidet to any wall, fixture or door. Water closet compartments shall not be less than 30 inches (760 mm) wide and 60 inches (1525 mm) deep. There shall be at least 8 inches (457 mm) clearance in front of a lavatory to any wall, fixture or door (see Figure 18-29-405.3.1).

18-29-405.3.2� Urinals.

� � �A urinal shall not be set closer than 15 inches (381 mm) from the center of the urinal to any side wall, partition, vanity or other obstruction, or closer than 30 inches (760 mm) center-to-center between urinals (see Figure 18-29-405.3.1).

Figure 18-29-405.3.1
Fixture Clearances

For SI: 1 inch = 25.4 mm

18-29-405.4� Floor and wall drainage connections.

� � �Connections between the drain and floor outlet plumbing fixtures shall be made with a floor flange. The flange shall be attached to the drain and anchored to the structure. Connections between the drain and wall-hung water closets shall be made with an approved extension nipple or horn adapter. The water closet shall be bolted to the hanger with corrosion-resistant bolts or screws. Joints shall be sealed with an approved elastomeric gasket or setting compound conforming to FS TT- P-1536a.

18-29-405.4.1� Floor flanges.

� � �Floor flanges for water closets or similar fixtures shall be not less than 1/8 inch (3 mm) thick for brass, 1/4 inch (6 mm) thick for plastic, and 1/4 inch (6 mm) thick and not less than a 2-inch (50 mm) caulking depth for cast-iron or galvanized malleable iron.

18-29-405.4.1.1� Hard lead floor flanges.

� � �Floor flanges of hard lead shall weigh not less than 1 pound 9 ounces (0.7 kg) and shall be composed of lead alloy with not less than 7.75 percent antimony by weight. Closet screws and bolts shall be of brass. Flanges shall be secured to the building structure with corrosion-resistant screws or bolts.

18-29-405.4.2� Securing floor outlet fixtures.

� � �Floor outlet fixtures shall be secured to the floor or floor flanges by screws or bolts of corrosion-resistant material.

18-29-405.4.3� Securing wall-hung water closet bowls.

� � �Wall-hung water closet bowls shall be supported by a concealed metal carrier that is attached to the building structural members so that strain is not transmitted to the closet connector or any other part of the plumbing system. The carrier shall conform to ASME A112.6.1.

18-29-405.5� Water-tight joints.

� � �Joints formed where fixtures come in contact with walls or floors shall be sealed with permanent caulk or other approved material.

18-29-405.6� Plumbing in mental health centers.

� � �In mental health centers, pipes or traps shall not be exposed, and fixtures shall be bolted through walls.

18-29-405.7� Design of overflows.

� � �Where any fixture is provided with an overflow, the waste shall be designed and installed so that standing water in the fixture will not rise in the overflow when the stopper is closed, and no water will remain in the overflow when the fixture is empty.

18-29-405.7.1� Connection of overflows.

� � �The overflow from any fixture shall discharge into the drainage system on the inlet or fixture side of the trap.

� � �Exception: The overflow from a flush tank serving a water closet or urinal shall discharge into the fixture served.

18-29-405.8� Access to concealed connections.

� � �Fixtures with concealed slip joint connections shall be provided with an access panel or utility space at least 12 inches (300 mm) in its smallest dimension or other approved arrangement so as to provide access to the slip connections for inspection and repair. Where such access cannot be provided, access doors shall not be required provided that all joints are soldered, solvent cemented or screwed so as to form a solid connection.

18-29-406� Automatic Clothes Washers.

18-29-406.1� Approval.

� � �Domestic automatic clothes washers shall conform to ASSE 1007.

18-29-406.2� Water connection.

� � �The water supply to an automatic clothes washer shall be protected against backflow by an air gap installed integrally within the machine conforming to ASSE 1007 or with the installation of a backflow preventer in accordance with Article 18-296.

18-29-406.3� Waste connection.

� � �The discharge from an automatic clothes washer shall be through an air break and connected to a standpipe in accordance with Article 8.

18-29-407� Bathtubs.

18-29-407.1� Approval.

� � �Bathtubs shall conform to ANSI Z124.1, ASME A112.19.1, ASME A112.19.4, ASME A112.19.9, CSA B45.2, CSA B45.3 or CSA B45.5.

18-29-407.2� Bathtub waste outlets.

� � �Bathtubs shall have waste outlets a minimum of 1 1/2 inches (40 mm) in diameter. The waste outlet shall be equipped with an approved stopper.

18-29-407.3� Glazing.

� � �Windows and doors within a bathtub enclosure shall conform to the safety glazing requirements of Section 13-124-350.

18-29-408� Bidets.

18-29-408.1� Approval.

� � �Bidets shall conform to ASME A112.19.2, ASME A112.19.9 or CSA B45.1.

18-29-408.2� Water connection.

� � �The water supply to a bidet shall be protected against backflow by an air gap or backflow preventer in accordance with Article 18-29-6.

18-29-409� Dishwashing Machines.

18-29-409.1� Approval.

� � �Domestic dishwashing machines shall conform to ASSE 1006. Commercial dishwashing machines shall conform to ASSE 1004.

18-29-409.2� Water connection.

� � �The water supply to a dishwashing machine shall be protected against backflow by an air gap or backflow preventer in accordance with Article 18-29-6.

18-29-409.2.1� Water supply connection.

� � �The water supply to commercial dishwashing machines shall be connected through an air gap or by means of proper backflow protection, e.g., a nonpressure type (atmospheric) vacuum breaker or a dual check valve backflow preventer assembly (DuC), depending upon the circumstances.

18-29-409.2.2� Hot water.

� � �A commercial dishwashing machine or similar dishwashing equipment that relies upon hot water for sanitizing dishes and utensils, rather than chemicals for sanitizing, shall provide rinse water at 180�F (82.2�C).

� � �Exception: A single-tank, stationary-rack, single temperature dishwashing machine shall provide a rinse water temperature of 165�F (73.8�C).

18-29-409.3� Waste connection.

� � �When a domestic (private residence) dishwashing machine drain line is connected to the house side of a trap from a sink, the drain from the dishwasher shall be carried up to the underside of the spill rim of the sink. Dishwashing machines shall discharge separately into a trap or tail piece of the kitchen sink and shall not connect to the food waste disposal unit.

18-29-409.3.1� Commercial dishwashers.

� � �Commercial dishwashing machines shall indirectly discharge to a proper receptor connected to the drainage system, or may be hard connected provided the dishwashing machine is on a separate branch and an in- line floor drain is installed immediately downstream of the dishwasher connection.

18-29-410� Drinking Fountains.

18-29-410.1� Approval.

� � �Drinking fountains shall conform to ASME A112.19.1, A112.19.2 or A112.19.9, and water coolers shall conform to ARI 1010. Where water is served in restaurants drinking fountains shall not be required.

18-29-410.2� Prohibited location.

� � �Drinking fountains shall not be installed in public restrooms.

18-29-411� Emergency Showers and Eyewash Stations.

18-29-411.1� Water connection.

� � �Emergency eyewash stations shall be provided with a supply of cold water as required by the manufacturer. Emergency showers shall be provided with a supply of tempered water in accordance with ANSI Z358.1.

18-29-411.2� Waste connection.

� � �Emergency showers and eye wash stations within a building shall be provided with a trapped and vented receptor.

18-29-412� Floor Drains.

18-29-412.1� Approval.

� � �Floor drains shall conform to ASME A112.21.1 or CSA B79.

18-29-412.2� Floor drain trap and strainer.

� � �Floor drain traps shall have removable strainers. The strainer shall have a waterway area of not less than the area of the tailpiece. The floor drain shall be constructed so that the drain is capable of being cleaned. Access shall be provided to the drain inlet.

18-29-412.3� Size of floor drains.

� � �Floor drains shall have a minimum 2-inch diameter (50 mm) drain outlet.

18-29-412.4� Required location and construction.

� � �Any building or structure in which plumbing is installed under a concrete floor or concrete over a crawl space shall have at least one trapped floor drain. Additional floor drains shall be required if the installation of fixtures and appurtenances requires the use of floor drains. In a multifamily dwelling, each unit shall have a floor drain if fixtures and appurtenances installed therein require the use of a floor drain.

18-29-412.4.1� Underground floor drains.

Underground floor drains connected to a building drain or a building sub-drain within 4 feet (1220 mm) of a stack shall be individually vented. All other floor drains shall be vented as required by Article 18-29-9.

18-29-412.4.2� Sanitary waste drain.

� � �Each floor drain shall be connected to a sanitary waste drain. Area drains should not connect to any subsoil drainage system, but may be connected to the storm drainage system where they receive storm drainage exclusively.

18-29-412.4.3� Masonry or concrete floor.

� � �At least one floor drain shall be located in every restroom having a masonry or concrete floor except those for private use.

18-29-412.4.4� Hospitals and nursing homes.

� � �In hospitals and nursing homes, floor drains will not be required in toilet/bath facilities serving four or fewer individual residents where access to the facilities is direct from no more than two resident rooms. Toilet/bath facilities in hospitals and nursing homes serving rooms with greater than four residents or consisting of multiple toilets, lavatories. etc., are required to have floor drains.

18-29-412.4.5� Public laundries and multiple-family dwellings.

� � �In public coin-operated laundries and in the central washing facilities of multifamily dwellings, rooms containing the automatic clothes washers shall be provided with floor drains located to readily drain the entire floor area. Such drains shall have a minimum outlet cross section of not less than 3 inches (76 mm) in diameter.

18-29-412.4.6� Size.

� � �Each floor drain shall be sized for its intended use and the surface area that it drains. Any floor drain or drain trap installed below a basement floor or underground shall be no less than 3 inches (76 mm) in diameter.

18-29-412.4.7� Accessibility.

� � �Floor drains shall connect into traps, shall be accessible and readily cleaned, and shall be located so that they are easily visible.

18-29-412.4.8� Provision for evaporation.

� � �Floor drain seals subject to evaporation shall be of the deep seal type, shall be fed by means of a priming device designed for that purpose, or shall be filled with vegetable oil.

18-29-412.4.9� Floor drains in food establishments.

� � �If floor drains are installed in coolers, freezers, refrigerated holding areas, dressing rooms or processing rooms in any food (meat, milk, vegetable, fruit) establishment, they shall meet the following requirements:

� � �1.� � �Floor drains shall have a minimum inside diameter of 4 inches (102 mm) and be of metallic construction.

� � �2.� � �Drainage lines from water closets and urinals shall not be connected with any other sanitary drainage lines having floor drains located in the above places within the building.

� � �3.� � �Floor drains must be indirectly discharged to the drainage system, or a backwater valve that conforms with the requirements of Article 18-29-8.

18-29-413� Food Waste Grinder Units.

18-29-413.1� Approval.

� � �Domestic food waste grinders shall conform to ASSE 1008. Commercial food waste grinders shall conform to ASSE 1009. Food waste grinders shall not increase the drainage fixture unit load on the sanitary drainage system.

18-29-413.2� Domestic food waste grinder waste outlets.

� � �Domestic food waste grinders shall be connected to a drain of not less than 1 1/2 inches (40 mm) in diameter.

18-29-413.3� Commercial food waste grinder waste outlets.

� � �Commercial food waste grinders shall be connected to a drain a minimum of 2 inches (50 mm) in diameter. Commercial food waste grinders shall be connected and trapped separately from any other fixtures or sink compartments.

18-29-413.4� Water supply required.

� � �All food waste grinders shall be provided with a supply of cold water.

18-29-414� Garbage Can Washers.

18-29-414.1� Water connection.

� � �The water supply to a garbage can washer shall be protected against backflow by an air gap or a backflow preventer in accordance with Section 18-29-608.13.1, Section 18-29-608.13.2, Section 18-29-608.13.3, Section 18-29-608.13.5, Section 18-29-608.14 or Section 18-29-608.15.

18-29-414.2� Waste connection.

� � �Garbage can washers shall be trapped separately. The receptacle receiving the waste from the washer shall have a removable basket or strainer to prevent the discharge of large particles into the drainage system.

18-29-415� Laundry Trays.

18-29-415.1� Approval.

� � �Laundry trays shall conform to ANSI Z124.6, ASME A112.19.1, ASME A112.19.3, ASME A112.19.9, CSA B45.2 or CSA B45.4.

18-29-415.2� Waste outlet.

� � �Each compartment of a laundry tray shall be provided with a waste outlet a minimum of 1 1/2 inches (38 mm) in diameter and a strainer or crossbar to restrict the clear opening of the waste outlet.

18-29-416� Lavatories.

18-29-416.1� Approval.

� � �Lavatories shall conform to ANSI Z124.3, ASME A112.19.1, ASME A112.19.2, ASME A112.19.3, ASME A112.19.4, ASME A112.19.9, CSA B45.1, CSA B45.2, CSA B45.3 or CSA B45.4. Group wash-up equipment shall conform to the requirements of Section 18-29-402. Every 20 inches (500 mm) of rim space shall be considered as one lavatory.

18-29-416.2� Cultured marble lavatories.

� � �Cultured marble vanity tops with an integral lavatory shall conform to ANSI Z124.3 or CSA B45.5.

18-29-416.3� Lavatory waste outlets.

� � �Lavatories shall have waste outlets not less than 1 1/4 inches (32 mm) in diameter. A strainer, pop-up stopper, crossbar or other device shall be provided to restrict the clear opening of the waste outlet.

18-29-417� Showers.

18-29-417.1� Approval.

� � �Prefabricated showers and shower compartments shall conform to ANSI Z124.2, ASME A112.19.9 or CSA B45.5. Shower valves for individual showers shall conform to the requirements of Section 18-29-424.4.

18-29-417.2� Water supply riser.

� � �Every water supply riser from the shower valve to the shower head outlet, whether exposed or not, shall be attached to the structure in an approved manner.

18-29-417.3� Shower waste outlet.

� � �Waste outlets serving showers shall be at least 2 inches (50 mm) in diameter and, for other than waste outlets in bathtubs, shall have removable strainers not less than 3 inches (75 mm) in diameter with strainer openings not less than 1/4 inch (6 mm) in minimum dimension. Where each shower space is not provided with an individual waste outlet, the waste outlet shall be located and the floor pitched so that waste from one shower does not flow over the floor area serving another shower. Waste outlets shall be fastened to the waste pipe in an approved manner.

18-29-417.4� Shower compartments.

� � �Shower installation, water temperature, dimensions, materials, public or institutional showers, and wall areas shall comply with Sections 18-29-417.4.1 through 18-29-417.4.7.

18-29-417.4.1� Deliberately omitted.

18-29-417.4.2� Wall area.

� � �The wall area above built-in tubs with installed shower heads and in shower compartments shall be constructed of smooth, noncorrosive and nonabsorbent waterproof materials to a height not less than 72 inches (1829 mm) above the room floor level, and not less than 70 inches (1778 mm) where measured from the compartment floor at the drain. Such walls shall form a water-tight joint with each other and with either the tub, receptor or shower floor.

18-29-417.4.3� Shower installation.

� � �Traps shall be constructed so that the pan is fastened to the trap at the seepage entrance, making a water-tight joint between the pan and the trap. Shower receptacle waste outlets shall be at least 2 inches (50mm) in diameter and have a removable strainer.

18-29-417.4.4� Water temperature safety.

� � �All shower compartments and shower-bath combinations shall be provided with an automatic safety water mixing device to prevent sudden unanticipated changes in water temperature or excessive water temperatures. The automatic safety water mixing device shall be either thermostatic, pressure balance, or combination controlled, in accordance with ANSI/ASSE 1016-1990, and designed with a maximum handle rotation limit/stop, adjusted to a maximum setting of 115�F (46.1�C) at the time of installation. The temperature of mixed water provided to multi-shower units or gang showers shall be controlled by a master automatic safety water mixing device or the mixed water temperature for such showers shall be individually regulated by automatic safety mixing valves for each shower unit. A hot water heater thermostat shall not be an acceptable alternative water temperature control device.

18-29-417.4.5� Dimensions.

� � �Single-family shower compartments or stalls shall have at least 1,024 square inches (6606 cm2) outside dimension (O.D.) floor area and shall be at least 32 inches (813 mm) in shortest outside dimension. All other shower compartments or stalls shall have no less than 1,296 square inches (3292 cm2) outside dimension floor area and shall be at least 32 inches (813 mm) in shortest outside dimension.

18-29-417.4.6� Materials.

� � �Shower walls shall be constructed of durable, smooth, nonabsorbent, noncorrosive, and waterproof materials, such as fiberglass, enameled metal, or plastic sheeting. All shower compartments or stalls shall have a slip resistant floor (bottom) surface.

18-29-417.4.7� Public or institution showers.

� � �Floors of public shower rooms shall be drained so that no waste water from any bather will pass over areas occupied by other bathers. This shall not prohibit the use of column showers.

18-29-417.5� Shower floor or receptors.

� � �Floor surfaces or receptors shall comply with the following requirements:

18-29-417.5.1� Support.

� � �Floors or receptors under shower compartments shall be laid on, and supported by, a smooth and structurally sound base. Support for shower compartments shall comply with the following requirements:

� � �1.� � �Plasticized polyvinyl chloride (PVC) sheet shall be a minimum of 0.040 inch (1 mm) thick, and shall meet the requirements of ASTM D 4551. Sheets shall be joined by solvent welding in accordance with the manufacturer�s instructions.

� � �2.� � �Non-plasticized chlorinated polyethylene (PE) sheet shall be a minimum 0.040 inch (1.02 mm) thick.

� � �3.� � �Other materials of similar durability and water resistance may be used provided they are approved by the buildings commissioner.

18-29-417.5.2� Deliberately omitted.

18-29-417.6� Glazing.

� � �Windows and doors within a shower enclosure shall conform to the safety glazing requirements of the building code.

18-29-418� Sinks.

18-29-418.1� Approval.

� � �Sinks shall conform to ANSI Z124.6, ASME A112.19.1, ASME A112.19.2, ASME A112.19.3, ASME A112.19.4, ASME A112.19.9, CSA B45.1, CSA B45.2, CSA B45.3 or CSA B45.4.

18-29-418.2� Sink waste outlets.

� � �Sinks shall be provided with waste outlets a minimum of 1 1/2 inches (38 mm) in diameter. A strainer or crossbar shall be provided to restrict the clear opening of the waste outlet. Sinks on which a food waste grinder is installed shall have a waste opening a minimum of 3 1/2 inches (89 mm) in diameter.

18-29-418.2.1� Facilities with no range oven.

� � �Sinks installed in lunchrooms, pantries, break rooms and other similar facilities where no range or oven is installed shall not be required to have a grease interceptor. Installation of a microwave oven in such facilities shall require the installation of a grease interceptor.

(Amend Coun. J. 3-27-02, p. 82090,�� 3)

18-29-419� Urinals.

18-29-419.1� Approval.

� � �Urinals shall conform to ASME A112.19.2, CSA B45.1 or CSA B45.5. Urinals shall conform to the water consumption requirements of Section 18-29-604.4. Urinals shall conform to the hydraulic performance requirements of ASME A 112.19.6, CSA B45.1 or CSA B45.5.

18-29-419.2� Substitution for water closets.

� � �In each bathroom or toilet room, urinals shall not be substituted for more than 50 percent of the required water closets.

18-29-419.3� Urinals for public or employee toilet facilities.

� � �Urinals for public or employee toilet facilities shall have a visible trap seal.

18-29-419.4� Surrounding material.

� � �Wall and floor space to a point 2 feet (610 mm) in front of a urinal lip and 4 feet (1219 mm) above the floor and at least 2 feet (610 mm) to each side of the urinal shall be waterproofed with a smooth, readily cleanable, nonabsorbent material.

18-29-420� Water Closets.

18-29-420.1� Approval.

� � �Water closets shall conform to the water consumption requirements of Section 18-29-604.4 and shall conform to ANSI Z124.4, ASME A112.19.2, CSA B45.1, CSA B45.4 or CSA B45.5. Water closets shall conform to the hydraulic performance requirements of ASME A112.19.6. Water closet tanks shall conform to ANSI Z124.4, ASME A112.19.2, ASME A112.19.9, CSA B45.1, CSA B45.4 or CSA B45.5.

18-29-420.2� Water closets for public or employee toilet facilities.

� � �Water closet bowls for public or employee toilet facilities shall be of the elongated type.

18-29-420.3� Water closet seats.

� � �Water closets shall be equipped with seats of smooth non-absorbent material. All seats of water closets provided for public use shall be an antimicrobial plastic material and an open-front style, except closed- front seats may be provided if the seat is encased with a continuous plastic sleeve ensuring a clean surface for every user. No water closet seat shall be more than 1 1/2 (40 mm) inches thick.

� � �Exception: Facilities for the physically disabled shall comply with the Illinois Accessibility Code.

18-29-420.4� Water closet connections.

� � �A 4-inch by 3-inch (100 mm by 75 mm) closet bend shall be acceptable. Where a 3-inch (75 mm) bend is utilized on water closets, a 4-inch by 3-inch (100 mm by 75 mm) flange shall be installed to receive the fixture horn.

18-29-420.5� Deliberately omitted.

18-29-420.6� Chemical closets.

No chemical closet or toilet shall be installed within any building for human habitation, nor on any premises abutting upon a public way or thoroughfare in which a public sewer is available.

18-29-420.7� Temporary toilet facilities.

� � �Every tent or structure provided for the temporary accommodations of the public, shall be provided, if access can be made to sewer and water, with not less than one water closet for males, and one water closet for females for each 300 persons or fraction thereof of the total capacity of the tent or structure. If access cannot be had to sewer and water, chemical toilets and incinerators shall be provided in the ratio above required.

18-29-421� Whirlpool Bathtubs.

18-29-421.1� Approval.

� � �Whirlpool bathtubs shall comply with ASME A112.19.7 or with CSA B45.5 and CSA CAN/CSA-B45 (Supplement 1).

18-29-421.2� Installation.

� � �Whirlpool bathtubs shall be installed and tested in accordance with the manufacturer�s installation instructions. The pump shall be located above the wire of the fixture trap. Access shall be provided to the pump.

18-29-421.3� Drain.

� � �The pump drain and circulation piping shall be sloped to drain the water in the volute and the circulation piping when the whirlpool bathtub is empty.

18-29-421.4� Suction fittings.

� � �Suction fittings for whirlpool bathtubs shall comply with ASME A112.19.8.

18-29-422� Health Care Fixtures and Equipment.

18-29-422.1� Scope.

� � �Sections 18-29-422.9 and 18-29-422.10 shall govern those aspects of health care plumbing systems that differ from plumbing systems in other structures. Health care plumbing systems shall conform to the requirements of this section in addition to the other requirements of this article. The provisions of this section shall apply to the special devices and equipment installed and maintained in the following occupancies: nursing homes, homes for the aged, orphanages, infirmaries, first aid stations, psychiatric facilities, clinics, professional offices of dentists and doctors, mortuaries, educational facilities, surgery, dentistry, research and testing laboratories, establishments manufacturing pharmaceutical drugs and medicines, and other structures with similar apparatus. Refer to the Illinois Department of Public Health requirements for licensing of facilities.

18-29-422.2� Deliberately omitted.

18-29-422.3� Deliberately omitted.

18-29-422.4� Deliberately omitted.

18-29-422.5� Deliberately omitted.

18-29-422.6� Deliberately omitted.

18-29-422.7� Deliberately omitted.

18-29-422.8� Deliberately omitted.

18-29-422.9� Sterilizer equipment requirements.

� � �All sterilizers shall conform to the requirements of the mechanical article.

18-29-422.9.1� Sterilizer piping.

� � �Access for the purposes of inspection and maintenance shall be provided to all sterilizer piping and devices necessary for the operation of sterilizers.

18-29-422.9.2� Steam supply.

� � �Steam supplies to sterilizers, including those connected by pipes from overhead mains or branches, shall be drained to prevent any moisture from reaching the sterilizer. The condensate drainage from the steam supply shall be discharged by gravity.

18-29-422.9.3� Steam condensate return.

� � �Steam condensate returns from sterilizers shall be a gravity return system.

18-29-422.9.4� Condensers.

� � �Pressure sterilizers shall be equipped with a means of condensing and cooling the exhaust steam vapors. Nonpressure sterilizers shall be equipped with a device that will automatically control the vapor, confining the vapors within the vessel.

18-29-422.10� Special elevations.

� � �Control valves, vacuum outlets and devices protruding from a wall of an operating, emergency, recovery, examining or delivery room, or in a corridor or other location where patients are transported on a wheeled stretcher, shall be located at an elevation that prevents bumping the patient or stretcher against the device.

18-29-423� Specialty Plumbing Fixtures.

18-29-423.1� Water connections.

� � �Baptisteries, ornamental and lily pools, aquariums, ornamental fountain basins, swimming pools, and similar constructions, where provided with water supplies, shall be protected against backflow in accordance with Section 18-29-608.

18-29-423.2� Approval.

� � �Specialties requiring water and waste connections shall be submitted for approval.

18-29-424� Faucets and Other Fixture Fittings.

18-29-424.1� Approval.

� � �Faucets and fixture fittings shall conform to ASME A112.18.1 or CSA CAN/CSA-B125 and shall conform to the water consumption requirements of Section 18-29-604.4. Faucets and fixture fittings that supply drinking water for human ingestion shall conform to the requirements of ANSI/NSF 61, Article 18-29-9.

18-29-424.2� Hose spray.

� � �Sink faucets with a flexible hose and spray assembly shall conform to ASSE 1025 or CSA CAN/CSA-B 125.

18-29-424.3� Hand showers.

� � �Hand-held showers shall conform to ASSE 1014 or CSA CAN/CSA-B125.

18-29-424.4� Shower valves.

� � �Shower and tub-shower combination valves shall be either balanced pressure, thermostatic or combination mixing valves that conform to the requirements of ASSE 1017 or CSA CAN/CSA-B 125. Such valves shall be equipped with handle position stops that are field adjusted in accordance with the manufacturer�s instructions to a maximum hot water setting of 120�F (495�C).

� � �Exception: Balanced pressure, thermostatic or combination mixing valves shall not be required for showers and tub-shower combinations in multiple showers supplied with a single tempered water supply, provided the hot water supply for such showers is controlled by an approved master thermostatic mixing valve adjusted in accordance with the manufacturer�s instructions to a maximum hot water setting of 120�F (495�C). Such master thermostatic mixing valves shall be sized according to the peak demand of fixtures located downstream of the valve and shall comply with ASSE 1017. The water heater thermostat shall not be used as the temperature-control device for compliance with this section.

18-29-425� Flushing Devices for Water Closets and Urinals.

18-29-425.1� Flushing devices required.

� � �Each water closet, urinal, clinical sink and any, plumbing fixture that depends on trap siphonage to discharge the fixture contents to the drainage system shall be provided with a flushometer valve, flushometer tank or a flush tank designed and installed to supply water in quantity and rate of flow to flush the contents of the fixture, cleanse the fixture and refill the fixture trap.

18-29-425.1.1� Separate for each fixture.

A flushing device shall not serve more than one fixture.

18-29-425.2� Flushometer valves and tanks.

� � �Flushometer valves and tanks shall comply with ASSE 1037. Vacuum breakers on flushometer valves shall conform to the performance requirements of ASSE 1001 or CSA CAN/CSA-B64.1.1. Access shall be provided to vacuum breakers. Flushometer valves shall be of the water-conservation type and shall not be utilized where the water pressure is lower than the minimum required for normal operation. When operated, the valve shall automatically complete the cycle of operation, opening fully and closing positively under the water supply pressure. Each flushometer valve shall be provided with a means for regulating the flow through the valve. The trap seal to the fixture shall be automatically refilled after each valve flushing cycle.

18-29-425.3� Flush tanks.

� � �Flush tanks equipped for manual flushing shall be controlled by a device designed to refill the tank after each discharge and to shut off completely the water flow to the tank when the tank is filled to operational capacity. The trap seal to the fixture shall be automatically refilled after each flushing. The water supply to flush tanks equipped for automatic flushing shall be controlled with a timing device or sensor control devices.

18-29-425.3.1� Ball cocks.

� � �All flush tanks shall be equipped with an antisiphon ball cock conforming to ASSE 1002 or CSA CAN/CSA- B125. The ball cock backflow preventer shall be located at least 1 inch (25 mm) above the full opening of the overflow pipe. A sheathed ball cock shall be installed in all gravity flush tanks in which the flush valve seat is located less than 1 inch (25 mm) above the flood level rim of the bowl.

18-29-425.3.2� Overflows in flush tanks.

� � �Flush tanks shall be provided with overflows discharging to the water closet or urinal connected thereto and shall be sized to prevent flooding the tank at the maximum rate at which the tanks are supplied with water. The opening of the overflow pipe shall be located above the flood level rim of the water closet or urinal or above a secondary overflow in the flush tank.

18-29-425.3.3� Sheet copper.

� � �Sheet copper utilized for flush tank linings shall conform to ASTM B152 and shall not weigh less than 10 ounces per square foot (0.03 kg/m2).

18-29-425.3.4� Access required.

� � �All parts in a flush tank shall be accessible for repair and replacement.

18-29-425.4� Flush pipes and fittings.

� � �Flush pipes and fittings shall be of nonferrous material and shall conform to ASME A112.19.5 or CSA CAN/CSA-B125.