Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
422.9 [DPH] Employee Lavatories in Food Establish-ments.
California Plumbing Code (Title 24, Part 5) · 2022 edition · updated 2026-09-12 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
ments. Employee lavatories installed in food establishments shall be equipped with an approved single spout capable of providing tempered (100ºF - 115ºF) (37.8ºC - 46.1ºC) run- ning water. Note: This requirement applies only to commissaries serv- ing mobile food preparation units.
68 2022 CALIFORNIA PLUMBING CODE
PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 422.1 MINIMUM PLUMBING FACILITIES 1 Each building shall be provided with sanitary facilities, including provisions for persons with disabilities as prescribed by the Department Having Jurisdiction. 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] California Building Code or Table 4-1 Occupant Load Factor.
Exceptions: (1) [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 mul- tifamily dwellings required to be accessible to persons with disabilities shall comply with Chapter 11A of the California Building Code. Permanent build- ings 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. (2) [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 |
BATHTUBS OR SHOWERS (FIXTURES PER PERSON) |
DRINKING FOUNTAINS/ FACILITIES (FIXTURES PER PERSON) |
OTHER | ||
|---|---|---|---|---|---|---|---|---|
| A-1 Assembly occupancy (fixed or permanent seat- ing)- 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 |
| A-1 Assembly occupancy (fixed or permanent seat- ing)- theaters, concert halls, and auditoriums |
Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females. |
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 250 males and 1 fixture for each additional 200 females. |
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. |
Over 750, add 1 fixture for each additional 500 persons. |
| A-2 Assembly occu- pancy- restaurants, pubs, lounges, nightclubs 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 |
| A-2 Assembly occu- pancy- restaurants, pubs, lounges, nightclubs and banquet halls |
Over 400, add 1 fixture for each additional 250 males and 1 fixture for each 125 females. |
Over 400, add 1 fixture for each additional 250 males and 1 fixture for each 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 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females |
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. |
Over 750, add 1 fixture for each additional 500 persons. |
| A-3 Assembly occupancy (typical without fixed or permanent seating)- arcades, places of wor- ship, museums, libraries, lecture halls, gymnasiums (without spectator seat- ing), indoor pools (with- out 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 |
| A-3 Assembly occupancy (typical without fixed or permanent seating)- arcades, places of wor- ship, museums, libraries, lecture halls, gymnasiums (without spectator seat- ing), indoor pools (with- out spectator seating) |
Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females. |
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 250 males and 1 fixture for each additional 200 females. |
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. |
Over 750, add 1 fixture for each additional 500 persons. |
2022 CALIFORNIA PLUMBING CODE 69
PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 422.1
| MINIMUM | PLUMBING F | FACILITIES1 (continued) | ||||||
|---|---|---|---|---|---|---|---|---|
| TYPE OF OCCUPANCY2 |
WATER CLOSETS (FIXTURES PER PERSON)3 |
WATER CLOSETS (FIXTURES PER PERSON)3 |
URINALS (FIXTURES PER PERSON)4 |
LAVATORIES (FIXTURES PER PERSON)5 |
LAVATORIES (FIXTURES PER PERSON)5 |
BATHTUBS OR SHOWERS (FIXTURES PER PERSON) |
DRINKING FOUNTAINS/ FACILITIES (FIXTURES PER PERSON) |
OTHER |
| A-4 Assembly occupancy (indoor activities or sport- ing 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 laun- dry tray |
| A-4 Assembly occupancy (indoor activities or sport- ing events with spectator seating)- swimming pools, skating rinks, arenas, and gymnasiums |
Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females. |
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 250 males and 1 fixture for each additional 200 females. |
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. |
Over 750, add 1 fixture for each additional 500 persons. |
| A-5Assembly occupancy (outdoor activities or sporting events)- amuse- ment 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 |
| A-5Assembly occupancy (outdoor activities or sporting events)- amuse- ment parks, grandstands and stadiums |
Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 125 females. |
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 250 males and 1 fixture for each additional 200 females. |
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. |
Over 750, add 1 fixture for each additional 500 persons. |
| B Business occupancy (office, professional or service type transactions)- banks, vet clinics, hospi- tals, car wash, banks, beauty salons, ambulatory health care facilities, laun- dries 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 |
| B Business occupancy (office, professional or service type transactions)- banks, vet clinics, hospi- tals, car wash, banks, beauty salons, ambulatory health care facilities, laun- dries and dry cleaning, educational institutions (above high school), or training facilities not located within school, post offices and printing shops |
Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 150 females. |
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. |
Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females. |
Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females. |
Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females. |
Over 400, add 1 fixture for each additional 250 males and 1 fixture for each additional 200 females. |
| 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 Indus- trial occupancy-fabricat- ing 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 con- tamination with poison- ous, infec- tious or irritating material |
1: 1-250 2: 251-500 3: 501-750 |
1 service sink or laundry tray |
| F1, F2 Factory or Indus- trial occupancy-fabricat- ing or assembly work |
Over 100, add 1 fixture for each additional 40 persons. |
Over 100, add 1 fixture for each additional 40 persons. |
–– | Over 100, add 1 fixture for each additional 40 persons. |
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. |
Over 750, add 1 fixture for each additional 500 persons. |
70 2022 CALIFORNIA PLUMBING CODE
PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 422.1
| MINIMUM | PLUMBING F | FACILITIES1 (continued) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| TYPE OF OCCUPANCY2 |
TYPE OF OCCUPANCY2 |
WATER CLOSETS (FIXTURES PER PERSON)3 |
WATER CLOSETS (FIXTURES PER PERSON)3 |
URINALS (FIXTURES PER PERSON)4 |
LAVATORIES (FIXTURES PER PERSON)5 |
LAVATORIES (FIXTURES PER PERSON)5 |
BATHTUBS OR SHOWERS (FIXTURES PER PERSON) |
DRINKING FOUNTAINS/ FACILITIES (FIXTURES PER PERSON) |
OTHER |
| I-1 Institutional occu- pancy (houses more than 16 persons on a 24-hour basis)- substance abuse centers, assisted living, group homes, or residen- tial facilities |
I-1 Institutional occu- pancy (houses more than 16 persons on a 24-hour basis)- substance abuse centers, assisted living, group homes, or residen- tial facilities |
Male 1 per 15 |
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 Institu- tional occu- pancy-medi cal, psychi- atric, surgi- cal or nursing homes |
Hospitals and nursing homes-indi- vidual rooms and ward room |
1 per room | 1 per room | –– | 1 per room | 1 per room | 1 per room | 1 per 150 | 1 service sink or laundry tray |
| I-2 Institu- tional occu- pancy-medi cal, psychi- atric, surgi- cal or nursing homes |
Hospitals and nursing homes-indi- vidual rooms and ward room |
1 per 8 patients | 1 per 8 patients | –– | 1 per 10 patients | 1 per 10 patients | 1 per 20 patients |
1 per 20 patients |
1 per 20 patients |
| I-2 Institu- tional occu- pancy-medi cal, psychi- atric, surgi- cal or nursing homes |
Hospital Waiting or Visitor Rooms |
1 per room | 1 per room | –– | 1 per room | 1 per room | –– | 1 per room | –– |
| I-2 Institu- tional occu- pancy-medi cal, psychi- atric, surgi- cal or nursing homes |
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 |
–– | –– | –– |
| I-2 Institu- tional occu- pancy-medi cal, psychi- atric, surgi- cal or nursing homes |
Employee Use |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
| I-3Institu- tional occu- pancy (houses more than 5 people) |
Prisons | 1 per cell | 1 per cell | –– | 1 per cell | 1 per cell | 1 per 20 | 1 per cell block/ |
–– |
| I-3Institu- tional occu- pancy (houses more than 5 people) |
Correctional facilities or juvenile center |
1 per 8 | 1 per 8 | –– | 1 per 10 | 1 per 10 | 1 per 8 | 1 per floor | 1 service sink or laun- dry tray |
| I-3Institu- tional occu- pancy (houses more than 5 people) |
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 | –– |
| I-3Institu- tional occu- pancy (houses more than 5 people) |
Employee Use |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
| I-4Institutional occu- pancy (any age that receives care for less than 24 hours) |
I-4Institutional occu- pancy (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 |
| I-4Institutional occu- pancy (any age that receives care for less than 24 hours) |
I-4Institutional occu- pancy (any age that receives care for less than 24 hours) |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
Over 55, add 1 fixture for each additional 40 persons. |
| M Mercantile occupancy (the sale of merchandise and accessible to the pub- lic) |
M Mercantile occupancy (the sale of merchandise and accessible to the pub- lic) |
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 |
| M Mercantile occupancy (the sale of merchandise and accessible to the pub- lic) |
M Mercantile occupancy (the sale of merchandise and accessible to the pub- lic) |
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 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 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. |
–– |
2022 CALIFORNIA PLUMBING CODE 71
PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 422.1 MINIMUM PLUMBING FACILITIES 1 (continued)
| TYPE OF OCCUPANCY2 |
WATER CLOSETS (FIXTURES PER PERSON)3 |
URINALS (FIXTURES PER PERSON)4 |
LAVATORIES (FIXTURES PER PERSON)5 |
BATHTUBS OR SHOWERS (FIXTURES PER PERSON) |
DRINKING FOUNTAINS/ FACILITIES (FIXTURES PER PERSON) |
OTHER | |||
|---|---|---|---|---|---|---|---|---|---|
| R-1 Residential occu- pancy (minimal stay)- hotels, motels, bed and breakfast homes |
R-1 Residential occu- pancy (minimal stay)- hotels, motels, bed and breakfast homes |
1 per sleeping room | 1 per sleeping room | –– | 1 per sleeping room | 1 per sleeping room | 1 per sleep- ing room |
–– | 1 service sink or laundry tray |
| R-2 Resi- dential occupancy (long-term or perma- nent) |
Dormitories | Male 1 per 10 |
Female 1 per 8 |
Male 1 per 25 |
Male 1 per 12 |
Female 1 per 12 |
1 per 8 | 1 per 150 | 1 service sink or laundry tray |
| R-2 Resi- dential occupancy (long-term or perma- nent) |
Dormitories | Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females. |
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. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
| R-2 Resi- dential occupancy (long-term or perma- nent) |
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 |
–– | –– | –– |
| R-2 Resi- dential occupancy (long-term or perma- nent) |
Employee Use |
Over 55, add 1 fixture for each additional 40 persons |
Over 55, add 1 fixture for each additional 40 persons |
Over 55, add 1 fixture for each additional 40 persons |
Over 55, add 1 fixture for each additional 40 persons |
Over 55, add 1 fixture for each additional 40 persons |
Over 55, add 1 fixture for each additional 40 persons |
Over 55, add 1 fixture for each additional 40 persons |
Over 55, add 1 fixture for each additional 40 persons |
| R-2 Resi- dential occupancy (long-term or perma- nent) |
Apartment house/ |
1 per apartment | 1 per apartment | –– | 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 laun- dry tray or 1 automatic clothes washer connection for each 12 units |
| R-3 Residential occu- pancy (long-term or per- manent in nature) for more than 5 but does not exceed 16 occupants) |
R-3 Residential occu- pancy (long-term or per- manent 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 |
| R-3 Residential occu- pancy (long-term or per- manent in nature) for more than 5 but does not exceed 16 occupants) |
R-3 Residential occu- pancy (long-term or per- manent in nature) for more than 5 but does not exceed 16 occupants) |
Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females. |
Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females. |
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. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
| R-3 Residential occu- pancy (one and two fam- ily dwellings) |
R-3 Residential occu- pancy (one and two fam- ily dwellings) |
1 per one and two family dwelling |
1 per one and two family dwelling |
–– | 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 |
72 2022 CALIFORNIA PLUMBING CODE
PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 422.1
| MINIMUM | PLUMBING F | FACILITIES1 (continued) | ||||||
|---|---|---|---|---|---|---|---|---|
| TYPE OF OCCUPANCY2 |
WATER CLOSETS (FIXTURES PER PERSON)3 |
WATER CLOSETS (FIXTURES PER PERSON)3 |
URINALS (FIXTURES PER PERSON)4 |
LAVATORIES (FIXTURES PER PERSON)5 |
LAVATORIES (FIXTURES PER PERSON)5 |
BATHTUBS OR SHOWERS (FIXTURES PER PERSON) |
DRINKING FOUNTAINS/ FACILITIES (FIXTURES PER PERSON) |
OTHER |
| R-4 Residential occu- pancy (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 |
| R-4 Residential occu- pancy (residential care or assisted living) |
Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females. |
Add 1 fixture for each additional 25 males and 1 fixture for each additional 20 females. |
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. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
Add 1 fixture for each additional 20 males and 1 fixture for each additional 15 females. |
| S-1, S-2 Storage occu- pancy-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 |
| S-1, S-2 Storage occu- pancy-storage of goods, warehouse, aircraft hanger, food products, appliances |
Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 150 females. |
Over 400, add 1 fixture for each additional 500 males and 1 fixture for each additional 150 females. |
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 per- sons. |
Over 750, add 1 fixture for each additional 500 per- sons. |
Over 750, add 1 fixture for each additional 500 per- sons. |
Over 750, add 1 fix- ture for each addi- tional 500 persons. |
Over 750, add 1 fix- ture for each addi- tional 500 persons. |
N otes: 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. a. The number of occupants for a drive-in restaurant shall be considered as equal to the number of parking stalls. b. 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 a.The required urinal shall be permitted to be omitted or b.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 Metering or self-closing faucets shall be installed on lavatories intended to serve the transient public. 6 [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 Juris- diction may approve alternative design criteria when determining the minimum number of plumbing fixtures.
2022 CALIFORNIA PLUMBING CODE 73
>
PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 4-1 OCCUPANT LOAD FACTOR: [BSC, DSA-SS and DSA-SS/CC]
| **FUNCTION OF SPACE* **** | OCCUPANT LOAD FACTOR (square feet) |
|---|---|
| Assembly_ - without fixed seats_ Auditorium, convention and dance hall, lodge, stage, indoor sport/ (standing space) |
11 |
| Waiting, terminal (portable seating space) | 15 |
| Conference, dining/ |
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/ |
150 See CBC 1004.8 |
| Dormitory | 50 |
| Day care | 35 |
| Education_ (classroom)_ Through 12th grade |
30 |
| Education_ (classroom)_ Beyond 12th grade |
50 |
| Exercise_ (fitness)_ | 50 |
| Industrial_ (fabrication, foundry, workshop, component assembly, repair)_ | 500 |
| Kitchen/ |
50 |
| Laboratory Educational |
50 |
| Laboratory Non-educational |
100 |
| Library | 50 |
| Mercantile_ (wholesale, retail)_ | 100 |
| Mall building_ (covered/ |
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/corri- dors, stairways, ramps, toilet rooms, mechanical rooms, closets and fixed equipment, may be excluded.
74 2022 CALIFORNIA PLUMBING CODE
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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 | |||||
| Airborne infection isolation treatment/ |
1 | |||||
| Airborne infection isolation anteroom | 120 | |||||
| Airborne infection isolation toilet room | 12 | 15 | 15 | |||
| Cardiac Catheterization procedure room | 14, 33 | |||||
| Central Sterile Supply | 115 | |||||
| Cesarean/ |
||||||
| Labor Rooms | 133 | 19 | 19 | |||
| Recovery Room | 133 | 1 | ||||
| Drug distribution station | 1 | |||||
| Cesarean operating room | 210, 33 | |||||
| Delivery room | 110, 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/ |
||||||
| 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/ Cast Room |
14,33 | |||||
| Intensive Care Units7 | 1 | 1 | ||||
| Open plan | 1:3 beds33 | |||||
| Patient rooms28 | 133 | |||||
| Newborn Intensive Care Unit (NICU) | 1:4 bassinets17, 33 | 1 | 1 | |||
| Treatment area/ |
1 | |||||
| Control station | 133 | |||||
| Staff lounge | ||||||
| Staff Toilet - Male | 12 | 1:1-15 | ||||
| Staff Toilet - Female | 12 | 1:1-15 |
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PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 4-2
| [OSHPD 1, 2, 3, 4 & 5 | 5]24 MINIMUM PLUM | MBING FACIL | LITIES (continu | ued) | ||
|---|---|---|---|---|---|---|
| SPACE | HANDWASHING FIXTURE |
SCRUB SINKS3 |
TOILETS | BATHTUBS OR SHOWERS |
SERVICE SINKS1 |
CLINIC SINKS |
| 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/ |
1:6 bassinets33 | |||||
| Workroom | 133 | |||||
| Gastrointestinal endoscopy procedure room | 133 | |||||
| Outpatient observation35 | 1 | 1 | ||||
| Pediatric and Adolescent Unit toilet room | 12,26 | 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 | 120,33 | |||||
| Protective environment toilet room | 12 | 15 | 15 | |||
| Psychiatric unit patient room | 1 | 1 | ||||
| Radiological/ |
1 | 129 | ||||
| Mammography | 1 | |||||
| Interventional imaging | 1 | |||||
| Ultrasound8 | 130 | |||||
| Angiography | 14, 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 |
76 2022 CALIFORNIA PLUMBING CODE
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TABLE 4-2
| [OSHPD 1, 2, 3, 4 & 5 | 5]24 MINIMUM PLUM | MBING FACIL | LITIES (continu | ued) | ||
|---|---|---|---|---|---|---|
| SPACE | HANDWASHING FIXTURE |
SCRUB SINKS3 |
TOILETS | BATHTUBS OR SHOWERS |
SERVICE SINKS1 |
CLINIC SINKS |
| 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/ |
1:4 stations | |||||
| Utility/ |
||||||
| Clean21 | 1 | |||||
| Soiled22 | 1 | 114 | ||||
| Patient beds [Skilled Nursing/ 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 Treat- ment 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: a.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. b.A handwashing fixture within a separate anteroom. 6 The following fixtures shall be provided in isolation rooms of correctional treatment centers only: a.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. b.A handwashing fixture within a separate anteroom. 7 Includes burn center spaces, acute respiratory-care service spaces, and coronary-care service spaces.
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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 bath- rooms. 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 handwash- ing 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 fix- ture and shall be accessible to the observation units(s) from the corridor. Reference CBC, Part 2, Section 1224.39.6.
78 2022 CALIFORNIA PLUMBING CODE
PLUMBING FIXTURES AND FIXTURE FITTINGS
TABLE 4-3 [AGR]
| TYPE OF BUILDING OR OCCUPANCY |
WATER CLOSETS 7 (FIXTURES PER PERSON) |
URINALS (TROUGH URINAL TO INDIVIDUAL URINAL EQUIVALENCE) MALE |
LAVATORIES (FIXTURES PER PERSON) |
BATHTUBS OR SHOWERS (FIXTURES PER PERSON) |
DRINKING FOUNTAINS (FIXTURES 3 PER PERSON) |
|---|---|---|---|---|---|
| TYPE OF BUILDING OR OCCUPANCY |
MALE FEMALE | MALE FEMALE | MALE FEMALE | MALE FEMALE | MALE FEMALE |
| Nonindustrial—office buildings, public build- ings and similar estab- lishments |
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" (610 mm) _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 employ- ees or fraction thereof |
1:10 persons per shift required to shower |
— |
| Industrial–factories, warehouses, loft build- ings and similar estab- lishments |
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 |
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 employ- ees 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 reg- ularly 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 [DPH]
| TYPE OF BUILDING OR OCCUPANCY2 |
WATER CLOSETS (FIXTURES PER PERSON) |
URINALS (FIXTURES PER MALE) |
LAVATORIES (FIXTURES PER PERSON) |
BATHTUBS OR SHOWERS (FIXTURES PER PERSON) |
DRINKING FOUNTAINS (FIXTURES PER PERSON) |
|---|---|---|---|---|---|
| Day Use Public Beaches1,2 |
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 aver- age 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.
2022 CALIFORNIA PLUMBING CODE 79
80 2022 CALIFORNIA PLUMBING CODE
CALIFORNIA PLUMBING CODE – MATRIX ADOPTION TABLE
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