Note: In addition to the requirements of this chapter, buildings or facilities where accessibility is required for applications listed in California Code of Regulations, Title 24, Part 2 (California Building Code), Chapter 1, Section 1.9.1 regulated by the Division of the State Architect - Access Compliance shall also comply with Title 24, Part 2, Chapter 11A or 11B, as applicable under authority cited by CA Government Code Section 4450 and in reference cited by CA Government Code Sections 4450 through 4461, 12955.1(c), and CA Health and Safety Code Sections 18949.1, 19952 through 19959.

CALIFORNIA PLUMBING CODE - MATRIX ADOPTION TABLE
CHAPTER 4 - PLUMBING FIXTURES AND FIXTURE FITTINGS

(Matrix Adoption Tables are non-regulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)
Adopting Agency	BSC	BSC-CG	SFM	HCD			DSA			OSHPD						BSCC	DPH	AGR	DWR	CEC	CA	SL	SLC
Adopting Agency	BSC	BSC-CG	SFM	1	2	1-AC	AC	SS	SS/CC	1	1R	2	3	4	5	BSCC	DPH	AGR	DWR	CEC	CA	SL	SLC
Adopt Entire Chapter											X
Adopt Entire Chapter as amended (amended sections listed below)	X			X	X			X	X	X		X	X	X	X		X	X			X
Adopt only those sections that are listed below		X				X	X									X
Chapter/Section
Note Under Title							X
401.3	X			X				X	X	X		X	X	X
403.1						X
403.2						X
403.3						X
407.2				X
407.2.1				X
407.2.2				X
407.2.3				X	X
407.2.4				X
407.2.4.1		X						X	X
408.2				X
408.2.1		X						X	X
408.2.2		X						X	X
408.5								X	X
408.6 & Exception 1				X		X
411.2				X	X			X	X
411.2.2				X	X
411.2.2.1		X						X	X												X
411.2.3				X	X
411.2.4		X						X	X												X
412.1				X	X			X	X
412.1.1		X						X	X
412.1.2		X						X	X
412.1.3		X		X	X			X	X
412.1.3.1		X
413.2										X		X	X	X	X
415.1				X
417.1.1		X						X	X
417.1.2		X						X	X
420.2.1		X		X				X	X
420.2.2				X
420.3.1				X	X			X	X
422.1								X	X	X		X	X	X	X
422.1 Exception	X
Table 422.1	X			X	X	X	X	X	X	X	X	X	X	X	X
422.1.2							X
422.1.3										X		X	X	X	X
422.2				†	†
422.2 Exceptions										†		†	†	†	†
422.3.1 & Exception										X		X	X	X	X
422.4				†	†					†		†	†	†	†
422.5				†	†
422.6																					X
422.7																					X
422.8																	X
422.9																	X
Table A								X	X
Table 4-1	X
Table 4-2										X		X	X	X	X
Table 4-3	X																	X
Table 4-4	X																X

This state agency does not adopt sections identified with the following symbol: †
The Office of the State Fire Marshal's adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.0.

401.0 General

401.1 Applicability

This chapter shall govern the materials and installation of plumbing fixtures, including faucets and fixture fittings, and the minimum number of plumbing fixtures required based on occupancy.

401.2 Quality of Fixtures

Plumbing fixtures shall be constructed of dense, durable, non-absorbent materials and shall have smooth, impervious surfaces, free from unnecessary concealed fouling surfaces.

401.3 Water-Conserving Fixtures and Fittings

Note 1: [BSC, DSA-SS & DSA-SS/CC] Flow rates for specified plumbing fixtures for mandatory nonresidential construction are contained in Chapter 5, Division 5.3 of the California Green Building Standards Code (Part 11, Title 24, California Code of Regulations - CALGreen). Scoping provisions applicable to nonresidential additions and alterations are contained in Section 301.3 of CALGreen.

Note 2: [BSC] On and after January 1, 2014, certain commercial real property, as defined in Civil Code Section 1101.3, shall have its non-compliant plumbing fixtures replaced with appropriate water-conserving plumbing fixtures under specific circumstances. See Civil Code Section 1101.1 e t seq. for definitions, types of commercial real property affected, effective dates, circumstances necessitating replacement of non-compliant plumbing fixtures, and duties and responsibilities for ensuring compliance.

[HCD-1] All noncompliant plumbing fixtures in any residential real property shall be replaced with water-conserving plumbing fixtures. Plumbing fixture replacement is required prior to issuance of a certificate of final completion, certificate of occupancy, or final permit approval by the local building department. See Civil Code Section 1101.1, et seq., for the definition of a noncompliant plumbing fixture, types of residential buildings affected and other important enactment dates.

Note 3: [OSHPD 1, 2, 3 & 4] Also refer to Title 20, California Code of Regulations, Division 2, Chapter 4, Article 4, Section 1605.3(i).

402.0 Installation

402.1 Cleaning

Plumbing fixtures shall be installed in a manner to afford easy access for repairs and cleaning. Pipes from fixtures shall be run to the nearest wall.

402.2 Joints

Where a fixture comes in contact with the wall or floor, the joint between the fixture and the wall or floor shall be made watertight.

402.3 Securing Fixtures

Floor-outlet or floor-mounted fixtures shall be rigidly secured to the drainage connection and to the floor, where so designed, by screws or bolts of copper, copper alloy, or other equally corrosion-resistant material.

402.4 Wall-Hung Fixtures

Wall-hung fixtures shall be rigidly supported by metal supporting members so that no strain is transmitted to the connections. Floor-affixed supports for off-the-floor plumbing fixtures for public use shall comply with ASME A112.6.1M. Framing-affixed supports for off the floor water closets with concealed tanks shall comply with ASME A112.6.2. Flush tanks and similar appurtenances shall be secured by approved non-corrosive screws or bolts.

402.5 Setting

Diagram

Fixtures shall be set level and in proper alignment with reference to adjacent walls. No water closet or bidet shall be set closer than 15 inches (381 mm) from its center to a side wall or obstruction or closer than 30 inches (762 mm) center to center to a similar fixture. The clear space in front of a water closet, lavatory, or bidet shall be not less than 24 inches (610 mm). No urinal shall be set closer than 12 inches (305 mm) from its center to a side wall or partition or closer than 24 inches (610 mm) center to center.

Exception: The installation of paper dispensers or accessibility grab bars shall not be considered obstructions.

402.6 Flanged Fixture Connections

Fixture connections between drainage pipes and water closets, floor outlet service sinks and urinals shall be made using an approved copper alloy, hard lead, ABS, PVC, or iron flanges caulked, soldered, solvent cemented; rubber compression gaskets; or screwed to the drainage pipe. The connection shall be bolted with an approved gasket, washer, or setting compound between the fixture and the connection. The bottom of the flange shall be set on an approved firm base.

Wall-mounted water closet fixtures shall be securely bolted to an approved carrier fitting. The connecting pipe between the carrier fitting and the fixture shall be an approved material and designed to accommodate an adequately sized gasket. Gasket material shall be neoprene, felt, or similar approved types.

402.6.1 Closet Rings (Closet Flanges)

Closet rings (closet flanges) for water closets or similar fixtures shall be of an approved type and shall be copper alloy, copper, hard lead, cast-iron, galvanized malleable iron, ABS, PVC, or other approved materials. Each such closet ring (closet flange) shall be approximately 7 inches (178 mm) in diameter and, where installed, shall, together with the soil pipe, present a 1¹/₂ inch (38 mm) wide flange or face to receive the fixture gasket or closet seal.

     Caulked-on closet rings (closet flanges) shall be not less than ¹/₄ of an inch (6.4 mm) thick and not less than 2 inches (51 mm) in overall depth.

     Closet rings (closet flanges) shall be burned or soldered to lead bends or stubs, shall be caulked to cast-iron soil pipe, shall be solvent cemented to ABS and PVC, and shall be screwed or fastened in an approved manner to other materials.

     Closet bends or stubs shall be cut-off to present a smooth surface even with the top of the closet ring before the rough inspection is called.

     Closet rings (closet flanges) shall be adequately designed and secured to support fixtures connected thereto.

402.6.2 Securing Closet Flanges

Closet screws, bolts, washers, and similar fasteners shall be of copper alloy, copper, or other listed equally corrosion-resistant materials. Screws and bolts shall be of a size and number to properly support the fixture installed.

402.6.3 Securing Floor-Mounted, Back-Outlet Water Closet Bowls

Floor-mounted, back-outlet water closet bowls shall be set level with an angle of 90 degrees (1.57 rad) between the floor and wall at the centerline of the fixture outlet. The floor and wall shall have a flat mounting surface not less than 5 inches (127 mm) to the right and left of the fixture outlet centerline. The fixture shall be secured to the wall outlet flange or drainage connection and the floor by corrosion-resistant screws or bolts. The closet flange shall be secured to a firm base.

Where floor-mounted, back-outlet water closets are used, the soil pipe shall be not less than 3 inches (80 mm) in diameter. Offset, eccentric, or reducing floor flanges shall not be used.

402.7 Supply Fittings

The supply lines and fittings for every plumbing fixture shall be so installed as to prevent backflow in accordance with Chapter 6.

402.8 Installation

Fixtures shall be installed in accordance with the manufacturer's installation instructions.

402.9 Design and Installation of Plumbing Fixtures

Plumbing fixtures shall be installed in accordance with the manufacturer's installation instructions. The means of backflow prevention shall not be compromised by the designated fixture fitting mounting surface.

402.10 Slip Joint Connections

Fixtures having concealed slip joint connections shall be provided with an access panel or utility space not less than 12 inches (305 mm) in its least dimension and so arranged without obstructions as to make such connections accessible for inspection and repair.

402.11 Future Fixtures

Where provisions are made for the future installation of fixtures, those provided for shall be considered in determining the required sizes of the drain and water supply piping. Construction for future installations shall be terminated with a plugged fitting or fittings. Where the plugged fitting is at the point where the trap of a fixture is installed, the plumbing system for such fixture shall be complete and be in accordance with the plumbing requirements of this code.

403.0 Accessible Plumbing Facilities

Diagram

403.1 General

Where accessible facilities are required in applicable building regulations, the facilities shall be installed in accordance with those regulations. [HCD 1-AC] For specific requirements regarding accommodations for persons with disabilities, see Chapter 11A of the California Building Code.

403.2 Fixtures and Fixture Fittings for Persons With Disabilities

Plumbing fixtures and fixture fittings for persons with disabilities shall be in accordance with the applicable standards referenced in Chapter 4. [HCD 1-AC] Specific requirements regarding accommodations for persons with disabilities are contained in Chapter 11A of the California Building Code.

403.3 Exposed Pipes and Surfaces

Water supply and drain pipes under accessible lavatories and sinks shall be insulated or otherwise be configured to protect against contact. Protectors, insulators, or both shall comply with ASME A112.18.9 or ASTM C1822. [HCD 1-AC] Specific requirements regarding accommodations for persons with disabilities are contained in Chapter 11A of the California Building Code.

404.0 Waste Fittings and Overflows

404.1 Waste Fittings

Waste fittings shall comply with ASME A112.18.2/CSA B125.2, ASTM F409 or Table 701.2 for aboveground drainage piping and fittings.

404.2 Overflows

Where a fixture is provided with an overflow, the waste shall be so arranged that the standing water in the fixture shall not rise in the overflow where the stopper is closed or remain in the overflow where the fixture is empty. The overflow pipe from a fixture shall be connected to the house or inlet side of the fixture trap, except that overflow on flush tanks shall be permitted to discharge into the water closets or urinals served by them, but it shall be unlawful to connect such overflows with any other part of the drainage system.

405.0 Prohibited Fixtures

405.1 Prohibited Water Closets

Water closets having an invisible seal or an unventilated space or having walls which are not thoroughly washed at each discharge shall be prohibited. A water closet that might permit siphonage of the contents of the bowl back into the tank shall be prohibited.

405.2 Prohibited Urinals

Trough urinals and urinals with an invisible seal shall be prohibited.

405.3 Miscellaneous Fixtures

Fixed wooden, or tile wash trays or sinks for domestic use shall not be installed in a building designed or used for human habitation. No sheet metal-lined wooden bathtub shall be installed or reconnected. No dry or chemical closet (toilet) shall be installed in a building used for human habitation unless first approved by the Health Officer.

406.0 Special Fixtures and Specialties

406.1 Water and Waste Connections

Baptisteries, ornamental and lily ponds, aquaria, ornamental fountain basins, and similar fixtures and specialties requiring water, waste connections, or both shall be submitted for approval to the Authority Having Jurisdiction prior to installation.

406.2 Special Use Sinks

Restaurant kitchen and other special use sinks shall be permitted to be made of approved-type bonderize and galvanized sheet steel of not less than No. 16 U.S. gauge (0.0635 inches) (1.6 mm). Sheet-metal plumbing fixtures shall be adequately designed, constructed, and braced in an approved manner to accomplish their intended purpose.

406.3 Special Use Fixtures

Special use fixtures shall be made of one of the following:

Soapstone
Chemical stoneware
Copper-based alloy
Nickel-based alloy
Corrosion-resistant steel
Other materials suited for the intended use of the fixture

406.4 Zinc Alloy Components

Zinc alloy components shall comply with applicable nationally recognized standards and shall be used in accordance with their listing.

407.0 Lavatories

407.1 Application

Lavatories shall comply with ASME A112.19.1/CSA B45.2, ASME A112.19.2/CSA B45.1, ASME A112.19.3/CSA B45.4, ASME A112.19.12, CSA B45.5/IAPMO Z124, CSA B45.8/IAPMO Z403, CSA B45.11/IAPMO Z401 or CSA B45.12/IAPMO Z402.

407.2 Water Consumption

The maximum water flow rate of faucets shall comply with Sections 407.2.1 through 407.2.4.

407.2.1 Public Lavatory Faucets

The maximum flow rate for public lavatory faucets shall not exceed 0.5 gpm at 60 psi (1.9 L/m at 414 kPa).

407.2.2 Residential Lavatory Faucets

[HCD 1] The maximum flow rate of residential lavatory faucets shall not exceed 1.2 gallons (4.54 L) per minute at 60 psi. The minimum flow rate of residential lavatory faucets shall not be less than 0.8 gallons (3.03 L) per minute at 20 psi.

407.2.3 Lavatory Faucets in Common and Public Use Areas

[HCD 1 & HCD 2] The maximum flow rate of lavatory faucets, installed in common and public use areas (outside of dwellings or sleeping units) in residential buildings, shall not exceed 0.5 gallons (1.89 L) per minute at 60 psi.

407.2.4 Metering Faucets

Metered faucets shall deliver a maximum of 0.2 gallons (0.76 L) per metering cycle.

407.2.4.1 Metering Faucets

[BSC-CG, DSA-SS & DSA-SS/CC] Metering Faucets shall not deliver more than 0.20 gallons (0.76 L) per cycle in compliance with Chapter 5, Division 5.3 of the California Green Building Standards Code (CALGreen).

407.3 Limitation of Hot Water Temperature for Public Lavatories

Hot water delivered from public-use lavatories shall be limited to a maximum temperature of 120°F (49°C) by a device that complies with ASSE 1070/ASME A112.1070/CSA B125.70. The water heater thermostat shall not be considered a control for meeting this provision.

407.4 Transient Public Lavatories

Self-closing or metering faucets shall be installed on lavatories intended to serve the transient public, such as those in, but not limited to service stations, train stations, airports, restaurants, and convention halls.

407.5 Waste Outlet

Lavatories shall have a waste outlet and fixture tailpiece not less than 1¹/₄ inches (32 mm) in diameter. Continuous wastes and fixture tailpieces shall be constructed from the materials specified in Section 701.4. Waste outlets shall be provided with an approved stopper or strainer.

407.6 Overflow

W here overflows are provided, they shall be installed in accordance with Section 404.2.

408.0 Showers

Diagram

408.1 Application

Manufactured shower receptors and shower bases shall comply with ASME A112.19.1/CSA B45.2, ASME A112.19.2/CSA B45.1, ASME A112.19.3/CSA B45.4, CSA B45.12/IAPMO 2402, or CSA B45.5/IAPMO Z124.

408.2 Water Consumption

Showerheads shall have a maximum flow rate of not more than 1.8 gpm at 80 psi (6.81 L/m at 552 kPa). [HCD 1] Residential showerheads shall comply with Division 4.3 of the California Green Building Standards Code (CALGreen).

408.2.1 Single Showerhead

[BSC-CG, DSA-SS & DSA-SS/CC] Showerheads shall have a maximum flow rate of not more than 1.8 gallons (6.81 L) per minute at 80 psi. Showerheads shall be certified to the performance criteria of the U.S. EPA WaterSense Specification for Showerheads in compliance with Chapter 5, Division 5.3. of the California Green Building Standards Code (CAL Green).

408.2.2 Multiple Showerheads Serving One Shower

[BSC-CG, DSA-SS & DSA-SS/CC] When a shower is served by more than one showerhead, the combined flow rate of all showerheads and/or other shower outlets controlled by a single valve shall not exceed 1.8 gallons (6.81 L) per minute at 80 psi, or the shower shall be designed to allow only one shower outlet to be in operation at a time in compliance with Chapter 5, Division 5.3 of the California Green Building Standards Code (CALGreen).

Note: A hand-held shower shall be considered a showerhead.

408.3 Individual Shower and Tub-Shower Combination Control Valves

Showers and tub-shower combinations shall be provided with individual control valves of the pressure balance, thermostatic, or combination pressure balance/thermostatic mixing valve type that provide scald and thermal shock protection for the rated flow rate of the installed showerhead. These valves shall be installed at the point of use and comply with ASSE 1016/ASME A112.1016/CSA B125.16 or ASME A112.18.1/CSA B125.1.

Gang showers, where supplied with a single temperature-controlled water supply pipe, shall be controlled by a mixing valve that complies with ASSE 1069. Handle position stops shall be provided on such valves and shall be adjusted per the manufacturer's instructions to deliver maximum mixed water setting of 120°F (49°C). Water heater thermostats shall not be considered a suitable control for meeting this provision.

408.4 Waste Outlet

Diagram

Showers shall have a waste outlet and fixture tailpiece not less than 2 inches (50 mm) in diameter. Fixture tailpieces shall be constructed from the materials specified in Section 701.2 for drainage piping. Strainers serving shower drains shall have a waterway at least equivalent to the area of the tail piece.

408.5 Finished Curb or Threshold

Diagram

Where a shower receptor has a finished dam, curb, or threshold, it shall be not less than 1 inch (25.4 mm) lower than the sides and back of such receptor. In no case, shall a dam or threshold be less than 2 inches (51 mm) or exceeding 9 inches (229 mm) in depth where measured from the top of the dam or threshold to the top of the drain. Each such receptor shall be provided with an integral nailing flange to be located where the receptor meets the vertical surface of the finished interior of the shower compartment. The flange shall be watertight and extend vertically not less than 1 inch (25.4 mm) above the top of the sides of the receptor. The finished floor of the receptor shall slope uniformly from the sides towards the drain not less than ¹/₈ inch per foot (10.4 mm/m), nor more than ¹/₂ inch per foot (41.6 mm/m).

Thresholds shall be of sufficient width to accommodate a minimum 22 inch (559 mm) door. Shower doors shall open so as to maintain not less than a 22 inch (559 mm) unobstructed opening for egress. The immediate adjoining space to showers without thresholds shall be considered a wet location and shall comply with the requirements of the California Building Code, California Residential Code, and California Electrical Code.

Exceptions:

Showers in accordance with Section 403.2.
A cast-iron shower receptor flange shall be not less than 0.3 of an inch (7.62 mm) in height.
For flanges not used as a means of securing, the sealing flange shall be not less than 0.3 of an inch (7.62 mm) in height.

408.6 Shower Compartments

Shower compartments, regardless of shape, shall have a minimum finished interior of 1024 square inches (0.6606 m²) and shall also be capable of encompassing a 30 inch (762 mm) circle. The minimum required area and dimensions shall be measured at a height equal to the top of the threshold and a point tangent to its centerline. The area and dimensions shall be maintained to a point of not less than 70 inches (1778 mm) above the shower drain outlet with no protrusions other than the fixture valve or valves, showerheads, soap dishes, shelves, and safety grab bars, or rails. Fold-down seats in accessible shower stalls shall be permitted to protrude into the 30 inch (762 mm) circle.

Exceptions:

Showers that are designed to be in accordance with Chapter 11A of the California Building Code.
The minimum required area and dimension shall not apply for a shower receptor having overall dimensions of not less than 30 inches (762 mm) in width and 60 inches (1524 mm) in length.

408.7 Lining for Showers and Receptors

Diagram

Shower receptors built on-site shall be watertight and shall be constructed from approved-type dense, nonabsorbent, and noncorrosive materials. Each such receptor shall be adequately reinforced, shall be provided with an approved flanged floor drain designed to make a watertight joint on the floor, and shall have smooth, impervious, and durable surfaces.

     Shower receptors shall have the subfloor and rough side of walls to a height of not less than 3 inches (76 mm) above the top of the finished dam or threshold shall be first lined with sheet plastic, lead, or copper, or shall be lined with other durable and watertight materials. Showers that are provided with a built in place, permanent seat or seating area that is located within the shower enclosure, shall be first lined with sheet plastic, lead, copper, or shall be lined with other durable and watertight materials that extend not less than 3 inches (76 mm) above horizontal surfaces of the seat or the seating area.

     Lining materials shall be pitched ¹/₄ inch per foot (20.8 mm/m) to weep holes in the subdrain of a smooth and solidly formed subbase. Such lining materials shall extend upward on the rough jambs of the shower opening to a point not less than 3 inches (76 mm) above the horizontal surfaces of the seat or the seating area, the top of the finished dam or threshold and shall extend outward over the top of the permanent seat, permanent seating area, or rough threshold and be turned over and fastened on the outside face of both the permanent seat, permanent seating area, or rough threshold and the jambs.

     Nonmetallic shower subpans or linings shall be permitted to be built up on the job site of not less than three layers of standard grade 15 pound (6.8 kg) asphalt impregnated roofing felt. The bottom layer shall be fitted to the formed subbase and each succeeding layer thoroughly hot-mopped to that below. Corners shall be carefully fitted and shall be made strong and watertight by folding or lapping, and each corner shall be reinforced with suitable webbing hot-mopped in place.

     Folds, laps, and reinforcing webbing shall extend not less than 4 inches (102 mm) in all directions from the corner, and webbing shall be of approved type and mesh, producing a tensile strength of not less than 50 pounds per square foot (lb/ft²) (244 kg/m²) in either direction. Nonmetallic shower subpans or linings shall be permitted to consist of multilayers of other approved equivalent materials suitably reinforced and carefully fitted in place on the job site as elsewhere required in this section.

     Linings shall be properly recessed and fastened to the approved backing so as not to occupy the space required for the wall covering, and shall not be nailed or perforated at a point that is less than 1 inch (25.4 mm) above the finished dam or threshold. An approved type subdrain shall be installed with a shower subpan or lining. Each such subdrain shall be of the type that sets flush with the subbase and shall be equipped with a clamping ring or other device to make a tight connection between the lining and the drain. The subdrain shall have weep holes into the waste line. The weep holes located in the subdrain clamping ring shall be protected from clogging.

408.7.1 PVC Sheets

Plasticized polyvinyl chloride (PVC) sheets shall conform to ASTM D4551. Sheets shall be joined by solvent cementing in accordance with the manufacturer's installation instructions.

408.7.2 Chlorinated Polyethylene (CPE) Sheets

Nonplasticized chlorinated polyethylene sheets shall conform to ASTM D4068. The liner shall be joined in accordance with the manufacturer's installation instructions.

408.7.3 Sheet Lead

Sheet lead shall weigh not less than 4 lb/ft² (19.5 kg/m²) and shall be coated with an asphalt paint or other approved coating. The lead sheet shall be insulated from conducting substances, other than the connecting drain, by 15 pound (6.8 kg) asphalt felt or an equivalent. Sheet lead shall be joined by burning.

408.7.4 Sheet Copper

Sheet copper shall comply with ASTM B152 and shall weigh not less than 12 ounces per square foot (oz/ft²) (3.7 kg/m²) or No. 24 B & S Gauge (0.02 inches) (0.51 mm). The copper sheet shall be insulated from conducting substances, other than the connecting drain, by 15 pound (6.8 kg) asphalt felt or an equivalent. Sheet copper shall be joined by brazing or soldering.

408.7.5 Tests for Shower Receptors

Shower receptors shall be tested for watertightness by filling with water to the level of the rough threshold. The test plug shall be so placed that both upper and under sides of the subpan shall be subjected to the test at the point where it is clamped to the drain.

408.8 Public Shower Floors

Floors of public shower rooms shall have a nonskid surface and shall be drained in such a manner that wastewater from one bather shall not pass over areas occupied by other bathers. Gutters in public or gang shower rooms shall have rounded corners for easy cleaning and shall be sloped not less than 2 percent toward drains. Drains in gutters shall be spaced at a maximum of 8 feet (2438 mm) from sidewalls nor more than 16 feet (4877 mm) apart.

408.9 Location of Valves and Heads

Control valves and showerheads shall be located on the sidewall of shower compartments or otherwise arranged so that the showerhead does not discharge directly at the entrance to the compartment so that the bather can adjust the valves before stepping into the shower spray.

408.10 Water Supply Riser

A water supply riser from the shower valve to the showerhead outlet, whether exposed or not, shall be securely attached to the structure.

409.0 Bathtubs and Whirlpool Bathtubs

409.1 Application

Bathtubs shall comply with ASME A112.19.1/CSA B45.2, ASME A112.19.2/CSAB45.1, ASME A112.19.3/CSA B45.4, CSA B45.5/IAPMO Z124, or CSA B45.12/IAPMO Z402. Whirlpool bathtubs shall comply with ASME A112.19.7/CSA B45.10. Pressure sealed doors within a bathtub or whirlpool bathtub enclosure shall comply with ASME A112.19.15.

409.2 Waste Outlet

Bathtubs and whirlpool bathtubs shall have a waste outlet and fixture tailpiece not less than 1¹/₂ inches (40 mm) in diameter. Fixture tailpieces shall be constructed from the materials specified in Section 701.2 for drainage piping. Waste outlets shall be provided with an approved stopper or strainer.

409.3 Overflow

Where overflows are provided, they shall be installed in accordance with Section 404.2.

409.4 Limitation of Hot Water in Bathtubs and Whirlpool Bathtubs

The maximum hot water temperature discharging from the bathtub and whirlpool bathtub filler shall be limited to 120°F (49°C) by a device that complies with ASSE 1070/ASME A112.1070/CSA B125.70. The water heater thermostat shall not be considered a control for meeting this provision.

409.5 Backflow Protection

The water supply to a bathtub and whirlpool bathtub filler valve shall be protected by an air gap or in accordance with Section 417.0.

409.6 Installation and Access

Bathtubs and whirlpool bathtubs shall be installed in accordance with the manufacturer's installation instructions. Access openings shall be of a size and opening to permit the removal and replacement of the circulation pump.

     Whirlpool pump access located in the crawl space shall be located not more than 20 feet (6096 mm) from an access door, trap door, or crawl hole.

     The circulation pump shall be located above the crown weir of the trap.

     The pump and the circulation piping shall be self-draining to minimize water retention. Suction fittings on whirlpool bathtubs shall comply with ASME A112.19.7/CSAB45.10.

409.6.1 Flexible PVC Hoses and Tubing

Flexible PVC hoses and tubing intended to be used on whirlpool bathtub water circulation systems or pneumatic systems shall comply with IAPMO Z1033.

410.0 Bidets

410.1 Application

Bidets shall comply with ASME A112.19.2/CSA B45.1 or ASME A112.19.3/CSA B45.4.

410.2 Backflow Protection

The water supply to the bidet shall be protected by an air gap or in accordance with Section 603.3.2, Section 60 3.3.5, or Section 603.3.6.

410.3 Limitation of Water Temperature in Bidets

The maximum hot water temperature discharging from a bidet shall be limited to 110°F (43°C) by a device that complies with ASSE 1070/ASME A112.1070/CSA B125.70. The water heater thermostat shall not be considered a control for meeting this provision.

411.0 Water Closets

Diagram

411.1 Application

Water closets shall comply with ASME A112.19.2/CSA B45.1, ASME A112.19.3/CSA B45.4, or CSA B45.5/IAPMO Z124. Water closet bowls for public use shall be of the elongated type. In nurseries, schools, and other similar places where plumbing fixtures are provided for the use of children less than 6 years of age, water closets shall be of a size and height suitable for children's use.

411.2 Water Consumption

The effective flush volume of all water closets shall not exceed 1.28 gallons (4.8 L) per flush when tested in accordance with ASME A112.19.2/CSA B45.1.

411.2.1 Dual Flush Water Closets

Dual flush water closets shall comply with ASME A112.19.14. The effective flush volume for dual flush water closets shall be defined as the composite, average flush volume of two reduced flushes and one full flush.

411.2.2 Flushometer Valve Activated Water Closets

Flushometer valve activated water closets shall have a maximum flush volume of 1.28 gallons (4.8 Lpf) of water per flush.

411.2.2.1 Flushometer Valve Activated Water Closets

[BSC-CG, DSA-SS & DSA-SS/CC] Flushometer valve activated water closets shall have a maximum flush volume of 1.28 gallons (4.8 L) per flush in accordance with ASME A112.19.2/CSA B45.1.

411.2.3 Performance

[HCD 1 & HCD 2] Water closets installed in residential occupancies shall meet or exceed the minimum performance criteria developed for certification of high-efficiency toilets under the WaterSense program sponsored by the U.S. Environmental Protection Agency (EPA).

411.2.4 Water Closets

[BSC-CG, DSA-SS & DSA-SS/CC] The effective flush volume of all water closets shall not exceed 1.28 gallons (4.8 L) per flush. Tank-type water closets shall be certified to the performance criteria of the U.S. EPA WaterSense Specification for Tank Type Toilets in compliance with Chapter 5, Division 5.3. of the California Green Building Standards Code (CALGreen).

411.3 Water Closet Seats

Water closet seats shall be properly sized for the water closet bowl type, and shall be of smooth, non-absorbent material. Seats, for public use, shall be of the elongated type and either of the open front type or have an automatic seat cover dispenser. Plastic seats shall comply with IAPMO Z124.5.

411.4 Personal Hygiene Devices

Water closets with integral personal hygiene devices shall comply with ASME A112.4.2/CSA B45.16.

412.0 Urinals

Diagram

412.1 Application

Urinals shall comply with ASME A112.19.2/CSA B45.1, ASME A112.19.19, or CSA B45.5/IAPMO Z124. Wall-mounted urinals shall have an average water consumption not to exceed 0.12 5 gallons (0.47 L) per flush. Other urinals shall have an average water consumption not to exceed 0.5 gallons (1.89 L) per flush.

412.1.1 Wall-Mounted Urinals

[BSC-CG, DSA-SS & DSA-SS/CC] The effective flush volume of wall-mounted urinals shall not exceed 0.125 gallons (0.47 L) per flush in compliance with Chapter 5, Division 5.3, of the California Green Building Standards Code (CALGreen).

412.1.2 Floor-Mounted Urinals

[BSC-CG, DSA-SS & DSA-SS/CC] The effective flush volume of floor-mounted or other urinals shall not exceed 0.5 gallons (1.89 L) per flush in compliance with Chapter 5, Division 5.3, of the California Green Building Standards Code (CALGreen).

412.1.3 Nonwater Urinals

Nonwater urinals shall have a liquid barrier sealant to maintain a trap seal. Nonwater urinals shall permit the uninhibited flow of waste through the urinal to the sanitary drainage system. Nonwater urinals shall be cleaned and maintained in accordance with the manufacturer's instructions after installation. Where nonwater urinals are installed, not less than one water supplied fixture rated at not less than 1 water supply fixture unit (WSFU) shall be installed upstream on the same drain line to facilitate drain line flow and rinsing. Where nonwater urinals are installed, they shall have a water distribution line rough-in to each individual urinal location to allow for the installation of an approved backflow prevention device in the event of a retrofit. For additional information, see Health and Safety Code Section 17921.4.

412.1.3.1 Urinal, Hybrid

[BSC-CG] Where approved, hybrid urinals shall be considered nonwater urinals in compliance with Chapter 5, Division A5.3 of the California Green Building Standards Code (CALGreen).

412.2 Backflow Protection

A water supply to a urinal shall be protected by an approved-type vacuum breaker or other approved backflow prevention device in accordance with Section 603.5.

413.0 Flushing Devices

413.1 Where Required

Each water closet, urinal, clinical sink, or other plumbing fixture that depends on trap siphonage to discharge its waste contents shall be provided with a flushometer valve, flushometer tank, or flush tank designed and installed so as to supply water in sufficient quantity and rate of flow to flush the contents of the fixture to which it is connected, to cleanse the fixture, and to refill the fixture trap, without excessive water use. Flushing devices shall comply with the antisiphon requirements in accordance with Section 603.5.

413.2 Flushometer Valves

Flushometer valves and flushometer tanks shall comply with ASSE 1037/ASME A112.1037/CSA B125.37, and shall be installed in accordance with Section 603.5.1. No manually controlled flushometer valve shall be used to flush more than one urinal, and each such urinal flushometer valve shall be an approved, self-closing type discharging a predetermined quantity of water. Flushometers shall be installed so that they will be accessible for repair. Flushometer valves shall not be used where the water pressure is insufficient to operate them properly. Where the valve is operated, it shall complete the cycle of operation automatically, opening fully, and closing positively under the line water pressure. Each flushometer shall be provided with a means for regulating the flow through it. [OSPHD 1, 2, 3, 4 & 5] Sensor operated flush valves shall be capable of functioning during loss of normal power.

413.3 Flush Tanks

Flush tanks for manual flushing shall be equipped with a flush valve that complies with ASME A112.19.5/CSA B45.15 and an antisiphon fill valve (ballcock) that complies with ASSE 1002/ASME A112.1002/CSA B125.12 and installed in accordance with Section 603.5.2.

413.4 Water Supply for Flush Tanks

An adequate quantity of water shall be provided to flush and clean the fixture served. The water supply for flushing tanks and flushometer tanks equipped for manual flushing shall be controlled by a float valve or other automatic device designed to refill the tank after each discharge and to shut completely off the water flow to the tank where the tank is filled to operational capacity. Provision shall be made to automatically supply water to the fixture to refill the trap seal after each flushing.

413.5 Overflows in Flush Tanks

Flush tanks shall be provided with overflows discharging into the water closet or urinal connected thereto. Overflows supplied as original parts with the fixture shall be of sufficient size to prevent tank flooding at the maximum rate at which the tank is supplied with water under normal operating conditions and where installed in accordance with the manufacturer's installation instructions.

414.0 Dishwashing Machines

414.1 Application

Domestic dishwashing machines shall comply with UL 749. Commercial dishwashing machines shall comply with NSF 3 and UL 921.

414.2 Backflow Protection

The water supply connection to a commercial dishwashing machine shall be protected by an air gap or a backflow prevention device in accordance with Section 603.3.2, Section 603.3.5, Section 603.3.6, or that complies with ASSE 1004.

414.3 Drainage Connection

Domestic dishwashing machines shall discharge indirectly through an air gap fitting in accordance with Section 807.3 into a waste receptor, a wye branch fitting on the tailpiece of a kitchen sink, or dishwasher connection of a food waste disposer. Commercial dishwashing machines shall discharge indirectly through an air break or direct connection. The indirect discharge for commercial dishwashing machines shall be in accordance with Section 807.1, and the direct discharge shall be in accordance with Section 704.3.

415.0 Drinking Fountains

Diagram

415.1 Application

Drinking fountains shall be self-closing and comply with ASME A112.19.1/CSA B45.2, ASME A112.19.2/CSA B45.1, or ASME A112.19.3/CSA B45.4. Drinking fountains shall also comply with NSF 61. Permanently installed electric water coolers shall also comply with UL 399. [HCD 1] Drinking fountains shall be installed and so regulated that a jet of water extending at least 2 inches (51 mm) in height from the water orifice shall be constantly available. The orifice shall not be accessible to the mouth of the drinker nor subject to immersion.

415.2 Drinking Fountain Alternatives

Where food is consumed indoors, water stations shall be permitted to be substituted for drinking fountains. Bottle filling stations shall be permitted to be substituted for drinking fountains up to 50 percent of the requirements for drinking fountains. Drinking fountains shall not be required for an occupant load of 30 or less.

415.3 Drainage Connection

Drinking fountains shall be permitted to discharge directly into the drainage system or indirectly through an air break in accordance with Section 809.1.

415.4 Location

Drinking fountains shall not be installed in toilet rooms.

416.0 Emergency Eyewash and Shower Equipment

416.1 Application

Emergency eyewash and shower equipment shall comply with ISEA Z358.1.

416.2 Water Supply

Emergency eyewash and shower equipment shall not be limited in the water supply flow rates. Where hot and cold water is supplied to an emergency shower or eyewash station, the temperature of the water supply shall be controlled by a temperature actuated mixing valve complying with ASSE 1071. The flow rate, discharge pattern, and temperature of flushing fluids shall be provided in accordance with ISEA Z358.1.

416.3 Installation

Emergency eyewash and shower equipment shall be installed in accordance with the manufacturer's installation instructions.

416.4 Location

Emergency eyewash and shower equipment shall be located on the same level as the hazard and accessible for immediate use. The path of travel shall be free of obstructions and shall be clearly identified with signage.

416.5 Drain

A drain shall not be required for emergency eyewash or shower equipment. Where a drain is provided, the discharge shall be in accordance with Section 811.0.

417.0 Faucets and Fixture Fittings

417.1 Application

Faucets and fixture fittings shall comply with ASME A112.18.1/CSA B125.1. Fixture fittings covered under the scope of NSF 61 shall comply with the requirements of NSF 61.

417.1.1 Wash Fountains

[BSC-CG, DSA-SS & DSA-SS/CC] Wash fountains shall have a maximum flow rate of not more than 1.8 gallons (6.81 L) per minute/20 [rim space (inches) at 60 psi] in compliance with Chapter 5, Division 5.3 of the California Green Building Standards Code (CALGreen).

417.1.2 Metering Faucets for Wash Fountains

[BSC-CG, DSA-SS & DSA-SS/CC] Metering faucets for wash fountains shall have a maximum flow rate of not more than 0.20 gallons (0.76 L) per cycle/20 [rim space (inches) at 60 psi] in compliance with Chapter 5, Division 5.3 of the California Green Building Standards Code (CALGreen).

417.2 Deck Mounted Bath/Shower Valves

Deck mounted bath/shower transfer valves with integral backflow protection shall comply with ASME A112.18.1/CSA B125.1. This shall include handheld showers, and other bathing appliances mounted on the deck of bathtubs or other bathing appliances that incorporate a hose or pull out feature.

417.3 Handheld Showers

Diagram

Handheld showers shall comply with ASME A112.18.1/CSA B125.1. Handheld showers with integral backflow protection shall comply with ASME A112.18.1/CSA B125.1 or shall have a backflow prevention device that complies with ASME A112.18.3 or ASSE 1014.

417.4 Faucets and Fixture Fittings With Hose Connected Outlets

Faucets and fixture fittings with pull out spout shall comply with ASME A112.18.1/CSA B125.1. Faucets and fixture fittings with pull out spouts with integral backflow protection shall comply with ASME A112.18.1/CSA B125.1 or shall have a backflow preventer device that complies with ASME A112.18.3.

417.5 Separate Controls for Hot and Cold Water

Where two separate handles control the hot and cold water, the left-hand control of the faucet where facing the fixture fitting outlet shall control the hot water. Faucets and diverters shall be connected to the water distribution system so that hot water corresponds to the left side of the fixture fitting.

Single-handle mixing valves installed in showers and tub-shower combinations shall have the flow of hot water corresponding to the markings on the fixture fitting.

418.0 Floor Drains

418.1 Application

Floor drains shall comply with ASME A112.3.1, ASME A112.6.3, or CSA B79.

418.2 Strainer

Floor drains shall be considered plumbing fixtures and each such drain shall be provided with an approved-type strainer having a waterway equivalent to the area of the tail piece. Floor drains shall be of an approved type and shall provide a watertight joint on the floor.

418.3 Location of Floor Drains

Floor drains shall be installed in the following areas:

Toilet rooms containing two or more water closets or a combination of one water closet and one urinal, except in a dwelling unit.
Commercial kitchens and in accordance with Section 704.3.
Laundry rooms in commercial buildings and common laundry facilities in multi-family dwelling buildings.
Boiler rooms.

418.4 Food Storage Areas

Where drains are provided in storerooms, walk-in freezers, walk-in coolers, refrigerated equipment, or other locations where food is stored, such drains shall have indirect waste piping. Separate waste pipes shall be run from each food storage area, each with an indirect connection to the building sanitary drainage system. Traps shall be provided in accordance with Section 801.3.2 of this code and shall be vented.

Indirect drains shall be permitted to be located in freezers or other spaces where freezing temperatures are maintained, provided that traps, where supplied, shall be located where the seal will not freeze. Otherwise, the floor of the freezer shall be sloped to a floor drain located outside of the storage compartment.

418.5 Floor Slope

Floors shall be sloped to floor drains.

419.0 Food Waste Disposers

419.1 Application

Food waste disposal units shall comply with UL 430. Residential food waste disposers shall also comply with ASSE 1008.

419.2 Drainage Connection

Approved wye or other directional-type branch fittings shall be installed in continuous wastes connecting or receiving the discharge from a food waste disposer. No dishwasher drain shall be connected to a sink tailpiece, continuous waste, or trap on the discharge side of a food waste disposer.

419.3 Water Supply

A cold water supply shall be provided for food waste disposers. Such connection to the water supply shall be protected by an air gap or backflow prevention device in accordance with Section 603.2.

420.0 Sinks

420.1 Application

Sinks shall comply with ASME A112.19.1/CSA B45.2, ASME A112.19.2/CSA B45.1, ASME A112.19.3/CSA B45.4, CSA B45.5/IAPMO Z124, CSA B45.8/IAPMO Z403, or CSA B45.12/IAPMO Z402. Move-able sink systems shall comply with ASME A112.19.12.

420.2 Water Consumption

Sink faucets shall have a maximum flow rate of not more than 2.2 gpm at 60 psi (8.3 L/m at 414 kPa).

Exceptions:

Clinical sinks
Laundry trays
Service sinks

420.2.1 Kitchen Faucets

[BSC-CG, DSA-SS & DSA-SS/CC] Kitchen faucets shall have a maximum flow rate of not more than 1.8 gallons (6.81 L) per minute at 60 psi. Kitchen faucets may temporarily increase the flow above the maximum rate, but not to exceed 2.2 gallons (8.3 L) per minute at 60 psi, and must default to a maximum flow rate of 1.8 gallons (6.81 L) per minute at 60 psi in compliance with Chapter 5, Division 5.3 of the California Green Building Standards Code (CALGreen).

420.2.2 Kitchen Faucets

[HCD 1] The maximum flow rate of kitchen faucets shall not exceed 1.8 gallons (6.81 L) per minute at 60 psi. Kitchen faucets may temporarily increase the flow above the maximum rate, but not to exceed 2.2 gallons (8.32 L) per minute at 60 psi, and must default to a maximum flow rate of 1.8 gallons (6.81 L) per minute at 60 psi in compliance with Chapter 4, Division 4.3 or Chapter 5, Division 5.3 of the California Green Building Standards Code (CALGreen), as applicable.

Note: Where faucets meeting the maximum flow rate of 1.8 gpm (6.81 L) are unavailable, aerators or other means may be used to achieve reduction.

420.3 Pre-Rinse Spray Valve

Commercial food service pre-rinse spray valves shall have a maximum flow rate of 1.6 gallons per minute (gpm) at 60 pounds-force per square inch (psi) (6.0 L/m at 414 kPa) and shall be equipped with an integral automatic shutoff.

420.3.1 Pre-Rinse Spray Valves. [BSC-CG, DSASS, HCD 1 & HCD 2]

When installed, shall meet the requirements in the California Code of Regulations, Title 20 (Appliance Efficiency Regulations), Section 1605.1(h)(4) Table H-2, Section 1605.3(h)(4)(A), and Section 1607(d)(7), and shall be equipped with an integral automatic shutoff.

FOR REFERENCE ONLY: The following table and code section have been reprinted from the California Code of Regulations, Title 20 (Appliance Efficiency Regulations), Section 1605.1(h)(4) and Section 1605.3(h)(4)(A).

TABLE H-2
STANDARDS FOR COMMERCIAL PRE-RINSE SPRAY VALVES MANUFACTURED ON OR AFTER JANUARY 28, 2019.
PRODUCT CLASS (spray force in ounce force (ozf))	MAXIMUM FLOW RATE (gpm)
Product Class 1 (≤ 5.0 ozf)	1.00
Product Class 2 (> 5.0 ozf and ≤ 8.0 ozf)	1.20
Product Class 3 (> 8.0 ozf)	1.28

Title 20 Section 1605.3(h)(4)(A): Commercial pre-rinse spray valves manufactured on or after January 1, 2006, shall have a minimum spray force of not less than 4.0 ounces-force (ozf) [113 grams-force (gf)].

420.4 Waste Outlet

Kitchen and laundry sinks shall have a waste outlet and fixture tailpiece not less than 1¹/₂ inches (40 mm) in diameter. Service sinks shall have a waste outlet and fixture tailpiece not less than 2 inches (50 mm) in diameter. Fixture tailpieces shall be constructed from the materials specified in Section 701.2 for drainage piping. Waste outlets shall be provided with an approved strainer.

421.0 Floor Sinks

421.1 Application

Floor sinks shall comply with ASME A112.6.7.

421.2 Strainers

The waste outlet of a floor sink shall be provided with an approved strainer or grate that is removable and accessible.

422.0 Minimum Number of Required Fixtures

422.1 Fixture Count

Diagram

Plumbing fixtures shall be provided for the type of building occupancy and in the minimum number shown in Table 422.1 [OSHPD 1, 2, 3, 4 & 5] and Tables 4-2 and Table 4-3. The total occupant load and occupancy classification shall be determined in accordance with the California Building Code [DSA-SS & DSA-SS/CC] or Occupant Load Factor Table A. Occupancy classification not shown in Table 422.1 shall be considered separately by the Authority Having Jurisdiction.

Exception: [BSC] Using occupancy classification, described as function of space, determine occupant load factor from Table 4-1 Occupant Load Factor, of this chapter.

The minimum number of fixtures shall be calculated at 50 percent male and 50 percent female based on the total occupant load. Where information submitted indicates a difference in the distribution of the sexes such information shall be used to determine the number of fixtures for each sex. Once the occupancy load and occupancy are determined, Table 422.1 shall be applied to determine the minimum number of plumbing fixtures required. Where applying the fixture ratios in Table 422.1 results in fractional numbers, such numbers shall be rounded to the next whole number. For multiple occupancies, fractional numbers shall be first summed and then rounded to the next whole number.

TABLE 422.1
MINIMUM PLUMBING FACILITIES¹

Each building shall be provided with sanitary facilities, including provisions for persons with disabilities as prescribed by the Department Having Jurisdiction⁷. Table 422.1 applies to new buildings, additions to a building, and changes of occupancy or type in an existing building resulting in increased occupant load.

For requirements for persons with disabilities, Chapter 11A or 11B of the California Building Code shall be used.

The total occupant load shall be determined in accordance with the [BSC, DSA-SS & DSA-SS/CC] Occupant Load Factor Table A.

Exceptions:

[HCD 1-AC & HCD 2] For applications listed in Sections 1.8.2.1.2 and 1.8.2.1.3 regulated by the Department of Housing and Community Development, each building shall be provided with sanitary facilities, including provisions for persons with disabilities as prescribed by the Department. Covered multifamily dwellings required to be accessible to persons with disabilities shall comply with Chapter 11A of the California Building Code. Permanent buildings in mobilehome parks and special occupancy parks required to be accessible by persons with disabilities, shall comply with Chapter 11B of the California Building Code.
[HCD 1] For limited density owner-built rural dwelling sanitary facilities, the type, design and number of facilities as required and approved by the local health official shall be provided to the dwelling sites. It shall not be required that such facilities be located within the dwelling.

TYPE OF OCCUPANCY²		WATER CLOSETS (FIXTURES PER PERSON)³		URINALS (FIXTURES PER PERSON)⁴	LAVATORIES (FIXTURES PER PERSON)^{5, 6}		BATHTUBS OR SHOWERS (FIXTURES PER PERSON)	DRINKING FOUNTAINS/ FACILITIES (FIXTURES PER PERSON)	OTHER
A-1 Assembly occupancy (fixed or permanent seating)- theaters, concert halls, and auditoriums		Male 1: 1-100 2: 101-200 3: 201-400	Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-200 2: 201-300 3: 301-400 4: 401-600	Male 1: 1-200 2: 201-400 3: 401-600 4: 601-750	Female 1: 1-100 2: 101-200 4: 201-300 5: 301-500 6: 501-750	-	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females.		Over 600, add 1 fixture for each additional 300 males.	Over 750, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		-	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
A-2 Assembly occupancy-restaurants, pubs, lounges, night clubs and banquet halls		Male 1: 1-50 2: 51-150 3: 151-300 4: 301-400	Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-200 2: 201-300 3: 301-400 4: 401-600	Male 1: 1-150 2: 151-200 3: 201-400	Female 1: 1-150 2: 151-200 4: 201-400	-	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 125 females.		Over 600, add 1 fixture for each additional 300 males.	Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		-	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
A-3 Assembly occupancy (typical without fixed or permanent seating)-arcades, places of worship, museums, libraries, lecture halls, gymnasiums (without spectator seating), indoor pools (without spectator seating)		Male 1: 1-100 2: 101-200 3: 201-400	Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-100 2: 101-200 3: 201-400 4: 401-600	Male 1: 1-200 2: 201-400 3: 401-600 4: 601-750	Female 1: 1-100 2: 101-200 4: 201-300 5: 301-500 6: 501-750	-	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females.		Over 600, add 1 fixture for each additional 300 males.	Over 750, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		-	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
A-4 Assembly occupancy(indoor activities or sporting events with spectator seating)- swimming pools, skating rinks, arenas and gymnasiums		Male 1: 1-100 2: 101-200 3: 201-400	Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-100 2: 101-200 3: 201-400 4: 401-600	Male 1: 1-200 2: 201-400 3: 401-750	Female 1: 1-100 2: 101-200 4: 201-300 5: 301-500 6: 501-750	-	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females.		Over 600, add 1 fixture for each additional 300 males.	Over 750, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		-	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
A-5 Assembly occupancy (outdoor activities or sporting events)- amusement parks, grandstands and stadiums		Male 1: 1-100 2: 101-200 3: 201-400	Female 1: 1-25 2: 26-50 3: 51-100 4: 101-200 6: 201-300 8: 301-400	Male 1: 1-100 2: 101-200 3: 201-400 4: 401-600	Male 1: 1-200 2: 201-400 3: 401-750	Female 1: 1-100 2: 101-200 4: 201-300 5: 301-500 6: 501-750	-	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females.		Over 600, add 1 fixture for each additional 300 males.	Over 750, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		-	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
B Business occupancy (office, professional or service type transactions)- banks, vet clinics, hospitals, car wash, banks, beauty salons, ambulatory health care facilities, laundries and dry cleaning, educational institutions (above high school), or training facilities not located within school, post offices and printing shops		Male 1: 1-50 2: 51-100 3: 101-200 4: 201-400	Female 1: 1-15 2: 16-30 3: 31-50 4: 51-100 8: 101-200 11: 201-400	Male 1: 1-100 2: 101-200 3: 201-400 4: 401-600	Male 1: 1-75 2: 76-150 3: 151-200 4: 201-300 5: 301-400	Female 1: 1-50 2: 51-100 3: 101-150 4: 151-200 5:201-300 6: 301-400	-	1 per 150	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 150 females.		Over 600, add 1 fixture for each additional 300 males.	Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females.		-	1 per 150	1 service sink or laundry tray
E Educational occupancy-private or public schools		Male 1 per 50	Female 1 per 30	Male 1 per 100	Male 1 per 40	Female 1 per 40	-	1 per 150	1 service sink or laundry tray
F1, F2 Factory or Industrial occupancy-fabricating or assembly work		Male 1: 1-50 2: 51-75 3: 76-100	Female 1: 1-50 2: 51-75 3: 76-100	-	Male 1: 1-50 2: 51-75 3: 76-100	Female 1: 1-50 2: 51-75 3: 76-100	1 shower for each 15 persons exposed to excessive heat or to skin contamination with poisonous, infectious or irritating material.	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 100, add 1 fixture for each additional 40 persons.		-	Over 100, add 1 fixture for each additional 40 persons.			Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray
I-1 Institutional occupancy (houses more than 16 persons on a 24-hour basis)- substance abuse centers, assisted living, group homes, or residential facilities		Female 1 per 15	-	Male 1 per 15	Female 1 per 15	1 per 8	1 per 150	1 service sink or laundry tray
I-2 Institutional occupancy-medical, psychiatric, surgical or nursing homes	Hospitals and nursing homes-individual rooms and ward room	1 per room		-	1 per room		1 per room	1 per 150	1 service sink or laundry tray
	Hospitals and nursing homes-individual rooms and ward room	1 per 8 patients		-	1 per 10 patients		1 per 20 patients	1 per 150	1 service sink or laundry tray
	Hospital Waiting or Visitor Rooms	1 per room		-	1 per room		-	1 per room	-
	Employee Use	Male 1: 1-15 2: 16-35 3: 36-55	Female 1: 1-15 3: 16-35 4: 36-55	-	Male 1 per 40	Female 1 per 40	-	-	-
	Employee Use	Over 55, add 1 fixture for each additional 40 persons.		-	Male 1 per 40	Female 1 per 40	-	-	-
I-3 Institutional occupancy (houses more than 5 people)	Prisons	1 per cell		-	1 per cell		1 per 20	1 per cell block/floor	-
	Correctional facilities or juvenile center	1 per 8		-	1 per 10		1 per 8	1 per floor	1 service sink or laundry tray
	Employee Use	Male 1: 1-15 2: 16-35 3: 36-55	Female 1: 1-15 3: 16-35 4: 36-55	-	Male 1 per 40	Female 1 per 40	-	1 per 150	-
	Employee Use	Over 55, add 1 fixture for each additional 40 persons.		-	Male 1 per 40	Female 1 per 40	-	1 per 150	-
I-4 Institutional occupancy (any age that receives care for less than 24 hours)		Male 1: 1-15 2: 16-35 3: 36-55	Female 1: 1-15 3: 16-35 4: 36-55	-	Male 1 per 40	Female 1 per 40	-	1 per 150	1 service sink or laundry tray
		Over 55, add 1 fixture for each additional 40 persons.		-	Male 1 per 40	Female 1 per 40	-	1 per 150	1 service sink or laundry tray
M Mercantile occupancy (the sale of merchandise and accessible to the public)		Male 1: 1-100 2: 101-200 3: 201-400	Female 1: 1-100 2: 101-200 4: 201-300 6: 301-400	Male 0: 1-200 1: 201-400	Male 1: 1-200 2: 201-400	Female 1: 1-200 2: 201-300 3: 301-400	-	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 500 males and 1 fixture for each 200 females.		Over 400, add 1 fixture for each additional 500 males.	Over 400, add 1 fixture for each additional 500 males and 1 fixture for each 400 females.		-	Over 750, add 1 fixture for each additional 500 persons.	-
R-1 Residential occupancy (minimal stay)- hotels, motels, bed and breakfast homes		1 per sleeping room		-	1 per sleeping room		1 per sleeping room	-	1 service sink or laundry tray
R-2 Residential occupancy (long-term or permanent)	Dormitories	Male 1 per 10	Female 1 per 8	1 per 25	Male 1 per 12	Female 1 per 12	1 per 8	1 per 150	1 service sink or laundry tray
	Dormitories	Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females.		Over 150, add 1 fixture for each additional 50 males.	Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females.		1 per 8	1 per 150
	Employee Use	Male 1: 1-15 2: 16-35 3: 36-55	Female 1: 1-15 3: 16-35 4: 36-55	-	Male 1 per 40	Female 1 per 40	-	-
	Employee Use	Over 55, add 1 fixture for each additional 40 persons		-	Male 1 per 40	Female 1 per 40	-	-
	Apartment house/unit	1 per apartment		-	1 per apartment		1 per apartment	-	1 kitchen sink per apartment. 1 laundry tray or 1 automatic clothes washer connection per unit or 1 laundry tray or 1 automatic clothes washer connection for each 12 units
R-3 Residential occupancy (long-term or permanent in nature) for more than 5 but does not exceed 16 occupants)		Male 1 per 10	Female 1 per 8	-	Male 1 per 12	Female 1 per 12	1 per 8	1 per 150	1 service sink or laundry tray
		Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females.		-	Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females.		1 per 8	1 per 150	1 service sink or laundry tray
R-3 Residential occupancy (one and two family dwellings)		1 per one and two family dwelling		-	1 per one and two family dwelling		1 per one and two family dwelling	-	1 kitchen sink and 1 automatic clothes washer connection per one and two family dwelling
R-4 Residential occupancy (residential care or assisted living)		Male 1 per 10	Female 1 per 8	-	Male 1 per 12	Female 1 per 12	1 per 8	1 per 150	1 service sink or laundry tray
		Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females.		-	Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females.		1 per 8	1 per 150	1 service sink or laundry tray
S-1, S-2 Storage occupancy-storage of goods, warehouse, aircraft hanger, food products, appliances		Male 1: 1-100 2: 101-200 3: 201-400	Female 1: 1-100 2: 101-200 3: 201-400	-	Male 1: 1-200 2: 201-400 3: 401-750	Female 1: 1-200 2: 201-400 3: 401-750	-	1: 1-250 2: 251-500 3: 501-750	1 service sink or laundry tray
		Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 150 females.		-	Over 750, add 1 fixture for each additional 500 persons.		-	Over 750, add 1 fixture for each additional 500 persons.	1 service sink or laundry tray

Notes:

¹ The figures shown are based upon one fixture being the minimum required for the number of persons indicated or any fraction thereof.
² A restaurant is defined as a business that sells food to be consumed on the premises.
1. The number of occupants for a drive-in restaurant shall be considered as equal to the number of parking stalls.
2. Hand-washing facilities shall be available in the kitchen for employees.
³ The total number of required water closets for females shall be not less than the total number of required water closets and urinals for males. [BSC] This
requirement shall not apply when single occupancy toilet facilities are provided for each sex in an A or E occupancy with an occupant load of less than 50.
Either
1. The required urinal shall be permitted to be omitted or
2. If installed, the urinal shall not require a second water closet to be provided for the female.
⁴ For each urinal added in excess of the minimum required, one water closet shall be permitted to be deducted. The number of water closets shall not be reduced to less than two-thirds of the minimum requirement.
⁵ Group lavatories that are 24 lineal inches (610 mm) of wash sink or 18 inches (457 mm) of a circular basin, where provided with water outlets for such space, shall be considered equivalent to one lavatory.
⁶ Metering or self-closing faucets shall be installed on lavatories intended to serve the transient public.
⁷ [BSC, DSA-AC, DSA-SS, DSA-SS/CC, HCD 1 & HCD 2, OSHPD 1, 2, 3, 4 & 5] In accordance with Sections 1.8.7 and 301.3, the Authority Having Jurisdiction may approve alternative design criteria when determining the minimum number of plumbing fixtures.

TABLE A
OCCUPANT LOAD FACTOR:
[DSA-SS & DSA-SS/CC]
**OCCUPANCY^{, }*	OCCUPANT LOAD FACTOR (square feet)
Group A
1. Auditoriums, convention halls, dance floors, lodge rooms, stadiums, and casinos (where no fixed seating is provided). (Where fixed seating is provided use one-half the number of fixed seating.)	15
2. Conference rooms, dining rooms, drinking establishments, exhibit rooms, gymnasiums, lounges, stages, and similar uses, including restaurants classified as Group B occupancies	30
3. Worship places; principal assembly area, educational and activity unit (where no fixed seating is provided). (Where fixed seating is provided use one-half the number of fixed seating.)	30
Group B Office or public buildings (area accessible to the public)	200
Group E Schools for day care, elementary, secondary	50
Educational Facilities Other than Group E Colleges, universities, adult centers, etc.	50
Group F Workshops, foundries and similar establishments	2,000
Group H Hazardous materials fabrication and storage	2,000
Group I Hospital general use area, health care facilities	200
Group M Retail or wholesale stores	200
Group R Congregate residence, Group R-1	200
Group S Warehouse	5,000

* Any uses not specifically listed shall be based on similar uses listed in this table.

** For building or space with mixed occupancies, use appropriate occupancy group for each area (for example, a school may have an "A" occupancy for the gymnasium, a "B" occupancy for the office, an "E" occupancy for the classrooms, etc)
Accessory areas may be excluded (for example: hallway, restroom, stair enclosure).

TABLE 4-1
OCCUPANT LOAD FACTOR:
[BSC]
FUNCTION OF SPACE* **	OCCUPANT LOAD FACTOR (square feet)
Assembly - without fixed seats Auditorium, convention and dance hall, lodge, stage, indoor sport/spectator event, worship, arcade, gaming (standing space)	11
Waiting, terminal (portable seating space)	15
Conference, dining/drinking, lounge (portable seating/table space)	30
Gallery, museum, exhibit (standing space)	30
Assembly — with fixed seats	See CBC 1004.6 Use 50% of the fixed seating value
Business (office, sales/soliciting, administration, food processing, courtroom, ambulatory clinic)	150 See CBC 1004.8
Dormitory	50
Day care	35
Education (classroom) Through 12th grade	30
Education (classroom) Beyond 12^th grade	50
Exercise (fitness)	50
Industrial (fabrication, foundry, workshop, component assembly, repair)	500
Kitchen/food prep (commercial)	50
Laboratory Educational	50
Laboratory Non - educational	100
Library	50
Mercantile (wholesale, retail)	100
Mall building (covered/open)	See CBC 402.8.2
Residential (long term: central toilet facilities)	200
Warehouse Storage portions	4000
Warehouse Distribution portions (selecting, processing, packing, receiving, shipping)	500

* Any uses not specifically listed shall be based on similar uses listed in this table.
** For a building or space with mixed occupancies, use appropriate occupancy group for each area (for example, a school may have an "A" occupancy for the gymnasium, a "B" occupancy for the office, an "E" occupancy for the classrooms, etc.). Accessory areas such as, but not limited to, hallways/corridors, stairways, ramps, toilet rooms, mechanical rooms, closets and fixed equipment, may be excluded.

TABLE 4-2
[OSHPD 1, 2, 3, 4 & 5]²⁴ MINIMUM PLUMBING FACILITIES
SPACE	HANDWASHING FIXTURE	SCRUB SINKS³	TOILETS	BATHTUBS OR SHOWERS	SERVICE SINKS¹	CLINIC SINKS
Administration Lobby
Public Toilet - Male	1²		1
Public Toilet - Female	1²		1
Airborne infection isolation room	1		1
Airborne infection isolation treatment/exam room	1
Airborne infection isolation anteroom	1²⁰
Airborne infection isolation toilet room	1²		1⁵	1⁵
Cardiac Catheterization procedure room		1^{4, 33}
Central Sterile Supply	1¹⁵
Cesarean/Delivery Service Space
Labor Rooms	1³³		1⁹	1⁹
Recovery Room	1³³					1
Drug distribution station	1
Cesarean operating room		2^{10, 33}
Delivery room		1^{10, 33}
Staff lounge
Staff Toilet - Male	1²		1:1-15
Staff Toilet - Female	1²		1:1-15
LDR or LDRP room	1³³		1	1
Waiting area/room
Public Toilet - Male	1²		1
Public Toilet - Female	1²		1
Clinical Laboratory Service Space¹¹	1
Dietetic Service Space					1
Kitchen	1³³
Food serving area	1³³
Food Preparation	1³³
Dietary Staff Toilet - Male	1²		1:1-15
Dietary Staff Toilet - Female	1²		1:1-15
Emergency Service	1
Open plan	1:4 cubicles		1
Observation unit(s)	1:4 cubicles		1:6 beds
Trauma/Cardiac, Emergency surgery, Cystoscopy, Cast Room		1^4,3
Intensive Care Units⁷					1	1
Open plan	1:3 beds³³
Patient rooms¹⁸	1³³
Newborn Intensive Care Unit (NICU)	1:4 bassinets^{17, 33}				1	1
Treatment area/room	1
Control station	1³³
Staff lounge
Staff Toilet - Male	1²		1:1-15
Staff Toilet- Female	1²		1:1-15
Employee dressing rooms and lockers
Staff Toilet - Male	1²		1:1-15
Staff Toilet - Female	1²		1:1-15
Exam and treatment rooms	1
Housekeeping room¹					1
Laboratories	1¹⁵
Laundry soiled linen, receiving, holding and sorting	1
Medicine preparation room	1¹⁹
Morgue and Autopsy	1
Nourishment area	1+1²
Nuclear Medicine room	1
Mold room	1
Patient room	1
Patient toilet and bath facilities¹³	1²		1:4 beds	1:12¹⁶
Central bathing facility¹⁶	1		1	1
Special bathing facility¹⁶				1
Nurse Station²⁷	1		1¹²
Newborn/well baby nursery	1:6 bassinets³³
Workroom	1³³
Gastrointestinal endoscopy procedure room	1³³
Outpatient observation³⁵	1		1
Pediatric and Adolescent Unit toilet room	1^2,26		1²⁶
Pharmacy	1²⁵
Staff Toilet - Male	1²		1:1-15
Staff Toilet - Female	1²		1:1-15
Compounding area for parenteral solutions	1³³
Postanesthesia care units (PACU)						1
Open plan	1:4 gurney spaces³³
Individual rooms	1³³
Protective environment room	1³³
Protective environment anteroom	1^20,33
Protective environment toilet room	1²		1⁵	1⁵
Psychiatric unit patient room	1		1
Radiological/Imaging Services Space	1		1²⁹
Mammography	1
Interventional imaging		1
Ultrasound⁸			1³⁰
Angiography		1^4,31
Fluoroscopy⁸			1³⁰
Staff Toilet¹⁸ - Male	1²		1:1-15
Staff Toilet¹⁸ - Female	1²		1:1-15
Rehabilitation Therapy Space
Training toilet			1
Physical therapy service space	1
Occupational therapy service space	1
Speech pathology	1
Infusion Therapy	1
Renal Dialysis Service Space	1:4 stations				1
Bloodborne Infection Isolation Room	1
Nurses' station	1
Medication dispensing	1
Home training room	1
Repair room¹¹	1				1
Dialysis patient toilet	1²		1
Staff lounge
Staff Toilet - Male	1		1:1-15	1 shower
Staff Toilet - Female	1		1:1-15	1 shower
Surgical Service Space		2³³			1
Staff clothing change areas
Staff Toilet - Male	1²		1	1 shower
Staff Toilet - Female	1²		1	1 shower
Clean-up rooms	1
Substerile area	1
Anesthesia workroom	1
Soiled workroom or soiled holding	1					1³⁴
Cancer treatment/infusion therapy treatment	1:4 stations
Utility/Work Room
Clean²¹	1
Soiled²²	1					1¹⁴
Patient beds [Skilled Nursing/Intermediate Care Facilities] [medical model]	1:8²		1:6	1:20
Patient toilet and bath facilities¹³ [Correctional Treatment Center]	1:8²		1:6	1:12
Airborne infection isolation anteroom⁶ [Correctional Treatment Center]	1⁶		1⁶	1⁶
Airborne infection isolation anteroom [Correctional Treatment Center]	1
Protective environment room⁶ [Correctional Treatment Center]	1⁶		1⁶	1⁶
Protective environment anteroom [Correctional Treatment Center]	1

Notes:

¹ Each department or nursing unit shall be served by a housekeeping room equipped with a service sink. Departments may share service closets provided the departmental services are compatible. A dedicated housekeeping room shall be provided for the following services: Surgical/Catherization, ICU, NICU, nursery, dietary, renal dialysis and outpatient surgery.
² Conventional spouts and controls on hot-and cold-water supplies are acceptable. Aerators are not permitted. Non-aerating laminar flow devices are permitted. Nourishment areas shall have a handwashing fixture in or immediately accessible from the nourishment area, in addition to a nourishment sink.
³ Scrub sinks shall be located outside of sterile procedure rooms. A minimum of two scrub sinks shall be provided in a surgical unit containing one operating room. Four scrub sinks shall be provided in surgical units containing two operating rooms. One additional scrub sink shall be provided per each additional operating room.
⁴ The scrub sink is in addition to the required number for surgeries.
⁵ The following fixtures shall be provided in airborne infection or protective environment rooms of hospitals only:
1. Within an adjoining toilet room, a lavatory, a shower containing a seat or a space for a shower chair, and toilet equipped with bedpan flushing attachment with a vacuum breaker.
2. A handwashing fixture within a separate anteroom.
⁶ The following fixtures shall be provided in isolation rooms of correctional treatment centers only:
1. Within an adjoining toilet area, a handwashing fixture, a shower containing a seat or a space for a shower chair, and water closet equipped with bedpan flushing attachment with a vacuum breaker.
2. A handwashing fixture within a separate anteroom.
⁷ Includes burn center spaces, acute respiratory-care service spaces, and coronary-care service spaces.
⁸ A toilet room with handwashing fixture shall directly adjoin each procedure room.
⁹ One toilet with lavatory and one shower may serve two labor rooms.
¹⁰ One additional scrub sink for each additional cesarean or delivery operating room.
¹¹ Provide emergency eye-wash and shower.
¹² Conveniently located for staff use.
¹³ Fixtures serving individual patient rooms shall not be considered as meeting the required ratios for bedrooms not served by individual adjoining toilet or bathrooms.
¹⁴ The clinic sink may be deleted if all bedrooms in the nursing unit are provided with adjoining toilets with bedpan flushing devices.
¹⁵ Conventional controls on hot-and cold-water supplies are acceptable. The water discharge points shall be 5 inches (127 millimeters) above the fixture rim. Aerators are not permitted. Non-aerating laminar flow devices are permitted.
¹⁶ A minimum of one bathtub is required on each floor of an acute care or acute psychiatric hospital providing skilled nursing or intermediate care services. Special bathing facilities/gurney shower shall be provided at a minimum ratio of one per 100 beds for acute care facilities.
¹⁷ In a multiple-bed room, every bed position shall be within 20 feet (6 meters) of a hands-free handwashing fixture. Where an individual room concept is used, a handwashing fixture shall be provided within each infant care room.
¹⁸ When three or more procedure rooms are provided.
¹⁹ If a separate medicine room is provided, the room shall be equipped with a sink in addition to the nurses' station handwashing fixture. Hot-water supplies are optional.
²⁰ Not required when there is a handwash fixture in the patient bed room.
²¹ Handwashing fixtures may be deleted if room is used for storage and holding only.
²² If room is used only for temporary holding of soiled materials, clinic sink and work counter may be omitted. If the flushing-rim clinical sink is eliminated, facilities for cleaning bedpans shall be provided elsewhere.
²³ Toilet shall be equipped with a bedpan flushing attachment.
²⁴ Optional services approved by the licensing agency shall comply with the applicable space requirements of OSHPD 1 and 2.
²⁵ Shall be provided in each separate room where open medication is handled.
²⁶ Conveniently accessible throughout the unit.
²⁷ Includes rooms or areas within coronary and intensive-care units and postanethesia recovery rooms.
²⁸ Modular toilet/sink combination units located within a privacy curtain may be used within individual patient space or private room. The toilet fixture shall be completely contained within cabinetry when not in use, and shall be enclosed when flushed. Bedpan washers shall not be permitted in patient bedrooms.
²⁹ In service spaces with procedure rooms that do not have dedicated patient toilets, provide a minimum of one patient toilet room with a separate handwashing fixture within the service space.
³⁰ Toilet room shall be accessible from the procedure room.
³¹ Scrub sink shall be located outside the staff entrance to the procedure room.
³² Not used.
³³ Handwashing and scrub sink fixtures shall not be equipped with wrist or elbow blades but shall be equipped with sensor controls, or controls that do not involve contact with the upper extremities.
³⁴ If room is used only for temporary holding of soiled material, clinic sink and work counter may be omitted.
³⁵ A minimum of one separate accessible toilet room shall be provided for the use of patients. Patient toilet room(s) shall be equipped with a handwashing fixture and shall be accessible to the observation units(s) from the corridor. Reference CBC, Part 2, Section 1224.39.6.

*TABLE 4-3*
TYPE OF BUILDING OR OCCUPANCY	WATER CLOSETS (FIXTURESP ER PERSON)⁷	URINALS (TROUGH URINAL TO INDIVIDUAL URINAL EQUIVALENCE) MALE	LAVATORIES (FIXTURES PER PERSON	BATHTUBS OR SHOWERS (FIXTURES PER PERSON	DRINKING FOUNTAINS (FIXTURE PER PERSON)³
TYPE OF BUILDING OR OCCUPANCY	MALE FEMALE		LAVATORIES (FIXTURES PER PERSON	BATHTUBS OR SHOWERS (FIXTURES PER PERSON	DRINKING FOUNTAINS (FIXTURE PER PERSON)³
Nonindustrial—office buildings, public buildings and similar establishments	1 1-15 1 1-15 2 16-35 2 16-35 3 36-55 3 36-55 4 56-80 4 56-80 5 81-110 5 81-110 6 111-150 6 111-150 1 additional for each additional 40 employees or fraction thereof	Length of Number of trough urinal individual urinals 24" (610mm) 1 36" (914 mm) 2 48" (1219 mm) 2 60" (1524 mm) 3	1 1-15 2 16-35 3 36-60 4 61-90 5 91-125 1 additional for each additional 4 employees or fraction thereof	1:10 persons per shift required to shower	-
Industrial—factories, warehouses, loft buildings and similar establishments	1 1-15 1 1-15 2 16-35 2 16-35 3 36-553 36-55 4 56-804 56-80 5 81-1105 81-110 6 111-1506 111-150 1 additional for each additional 40 employees or fraction thereof	24" (610 mm) 1 36" (914 mm) 2 48" (1219 mm) 2 60" (1524 mm) 3 72" (1829 mm) 4	1 to 100 employees 1 per 10 Over 100 employees 1 additional for each additional 15 employees or fraction thereof	1:10 persons per shift required to shower	-

Notes:

¹ The figures shown are based on one fixture being the minimum required for the number of persons indicated or any fraction thereof
² Each water closet shall occupy a separate compartment which shall be equipped with a door, door latch and clothes hook. The door and the walls or partitions between fixtures shall be sufficient to assure privacy.
³ Drinking fountains shall not be located in toilet rooms.
⁴ Washing facilities shall be reasonably accessible to all employees
⁵ Toilet facilities shall be accessible to the employees at all times. Where practicable, toilet facilities should be within 200 feet (61 m) of locations at which workers are regularly employed and should not be more than one floor-to-floor flight of stairs from working areas
⁶ Urinals may be installed instead of water closets in toilet rooms to be used only by men provided that the number of water closets shall not be less than two thirds of the minimum number of toilet facilities specified. The length of trough urinals to the equivalent number of individual urinals shall be based on the above table.
⁷ When there are less than five employees, separate toilet rooms for each sex are not required provided toilet rooms can be locked from the inside and contain at least one water closet.
⁸ Twenty-four linear inches of wash sink or 18 inches of circular basin, when provided with water outlets for such space, shall be considered equivalent to one lavatory.
Exception: The requirements of Table 4-3 do not apply to mobile crews or to normally unattended work locations provided employees at these locations have immediately available transportation to nearby toilet facilities which meet the requirements of Table 4-3.

*TABLE 4-4*
TYPE OF BUILDING OR OCCUPANCY²	WATER CLOSETS (FIXTURES PER PERSON	URINAL (FIXTURES PER MALE	LAVATORIES (FIXTURES PER PERSON	BATHTUBS OR SHOWERS (FIXTURES PER PERSON	DRINKING FOUNTAINS (FIXTURES PER PERSON
Day Use Public Beaches^{1, 2}	Male Female 1 1-100 1 1-100 No sex designated 1 1-500 Minimum of 2	May be substituted for up to two-thirds of the water closets required
Picnic Areas	Male Female 1 1-50 1 1-50
Overnight Use Public Beaches²	1 1-7.5 campsites³ 1 1-7.5 campsites³	May be substituted for up to one-third of the water closets required³		1 1-12.5 campsites⁴
Organized Camps	1 1-15³		1 1-15	1 1-156	Minimum 1 per camp

Notes:

¹ Toilets shall be located in accordance with actual use patterns on the beach. The reasonable intent of the toilet requirements is that it should apply on the basis of average daily use during periods of peak use. The health officer may determine how many days the population standard may be exceeded.
² Laundry facilities are not required, but if they are provided, must be a minimum of two laundry trays or a washing machine.
³ Toilet facilities shall not be farther than 400 feet from any lot or campsite
⁴ Showers are not required, but it provided, they shall be provided on the indicated ratio. Outdoor rinse-off showers may be cold water only.
⁵ Toilets shall be located within 300 feet from the living accommodations they serve.
⁶ Showers shall be provided in the living area or in a centrally located structure.
Exception: Intermittent short-term organized camps are not required to provide shower facilities, but it provided, they shall comply with this part.

422.1.1 Family or Assisted-Use Toilet and Bathing Facilities

Where family or assisted-use toilet and bathing rooms are required, in applicable building regulations, the facilities shall be installed in accordance with those regulations.

422.1.2

[DSA-AC] Effective January 1, 1990, in new construction and those existing facilities which occupancy type are listed in Tables 422.1 and 4-4 for public use, which apply for permit to undertake construction, structural alterations, repairs or improvement which exceed 50 percent of the square footage of the entire facility, shall install water closets, urinals, lavatories and drinking fountains as stipulated in Tables 422.1 and 4-4 for public use. Community and/or municipal parks with a bleacher capacity not exceeding 500 seats shall be exempt from the requirements of this section and Tables 422.1 and 4-4. Each bathroom shall comply with Part 2, Chapter 11A and 11B of the California Building Code.

422.1.3

[OSHPD 1, 2, 3, 4 & 5] OSHPD facilities shall also comply with requirements of the California Building Code, Chapters 1224,1225, 1226, 1227 and 1228 in addition to total occupant load and occupancy classification for determination of minimum number of fixtures.

422.2 Separate Facilities

Separate toilet facilities shall be provided for each sex.

Exceptions: [Not adopted for OSHPD 1, 2, 3, 4 & 5]

Residential installations.
In occupancies with a total occupant load of 10 or less, including customers and employees, one toilet facility, designed for use by no more than one person at a time, shall be permitted for use by both sexes.
In business and mercantile occupancies with a total occupant load of 50 or less including customers and employees, one toilet facility, designed for use by no more than one person at a time, shall be permitted for use by both sexes.

422.2.1 Single Use Toilet Facilities

Single use toilet facilities and family or assisted use toilet facilities shall be identified with signage indicating use by either sex.

422.2.2 Family or Assisted-Use Toilet Facilities

Where a separate toilet facility is required for each sex, and each toilet facility is required to have only one water closet, two family or assisted-use toilet facilities shall be permitted in place of the required separate toilet facilities.

422.3 Fixture Requirements for Special Occupancies

Additional fixtures shall be permitted to be required where unusual environmental conditions or referenced activities are encountered. In food preparation areas, fixture requirements shall be permitted to be dictated by health codes.

422.3.1

[OSHPD 1, 2, 3, 4 & 5] Separate toilet facilities shall be provided for the use of patients, staff personnel and visitors.

Exception for Primary Care Clinics Only: Where a facility contains no more than three examination and/or treatment rooms, the patient toilet shall be permitted to serve waiting areas.

422.4 Toilet Facilities Serving Employees and Customers

[Not adopted for OSHPD 1, 2, 3, 4 & 5] Each building or structure shall be provided with toilet facilities for employees and customers. Requirements for customers and employees shall be permitted to be met with a single set of restrooms accessible to both groups.

Required toilet facilities for employees and customers located in shopping malls or centers shall be permitted to be met by providing a centrally located toilet facility accessible to several stores. The maximum travel distance from entry to any store to the toilet facility shall not exceed 300 feet (91440 mm).

Required toilet facilities for employees and customers in other than shopping malls or centers shall have a maximum travel distance not to exceed 500 feet (152 m).

422.4.1 Access to Toilet Facilities

In multi-story buildings, accessibility to the required toilet facilities shall not exceed one vertical story. Access to the required toilet facilities for customers shall not pass through areas designated as for employee use only such as kitchens, food preparation areas, storage rooms, closets, or similar spaces. Toilet facilities accessible only to private offices shall not be counted to determine compliance with this section.

422.5 Toilet Facilities for Workers

Toilet facilities shall be provided and maintained in a sanitary condition for the use of workers during construction.

422.6 [CA] Cosmetology

Each school shall provide public toilet rooms for each sex on the licensed premises in accordance with the California Plumbing Code, Table 422.1.

422.7 [CA] Cosmetology Establishments

Each establishment where hairdressing services are performed shall provide at least one public toilet room located on the premises in accordance with the California Plumbing Code, Table 422.1.

422.8 [DPH] Commissaries Serving Mobile Food Preparation Units

Commissaries serving mobile food preparation units shall have at least one hose bib. The hose bib shall be supplied with hot and cold water and be provided with a single spout, a backflow-preventer device and shall be located on the premises of the establishment.

422.9 [DPH] Employee Lavatories in Food Establishments

Employee lavatories installed in food establishments shall be equipped with an approved single spout capable of providing tempered (100 °F - 115°F) (37.8°C - 46.1°C) running water:

Note: This requirement applies only to commissaries serving mobile food preparation units.