Requirements by fixture type: lavatories, water closets, showers, sinks, and specialty fixtures

Grounded in the retrieved California Plumbing Code — click a citation to read the verbatim passage:

• CPC § 302.2 High relevance — show source text

  (2) The pressure of the heat-transfer medium is maintained at less than the normal minimum operating pressure of the potable water system.

  Exception: Steam in accordance with Section C 302.2(1) above.

  (3) The equipment is permanently labeled to indicate that only additives recognized as safe by the FDA shall be used in the heat-transfer medium.

  C 302.3 Alternate Designs. Other heat exchanger designs shall be permitted where approved by the Authority Having Jurisdiction.

  C 303.0 Fixture Unit Values for Private or Private Use Bathroom Groups.

  C 303.1 Fixtures. Table C 303.2 and Table C 303.3 reflect the fixture unit loads for the fixtures in bathrooms as groups, rather than as individual fixtures. Such fixtures include water closets, lavatories, and bathtubs or showers. The tables reflect diversity in the use of fixtures within a bathroom and between multiple bathrooms. C 303.2 Water Supply Fixture Unit Values. The listed water supply fixture unit values in Table C 303.2 reflect the load of entire bathroom groups on the cold water building supply. Individual hot and cold water branch piping to the fixtures shall be permitted to be sized in accordance with Chapter 6 and Appendix A. C 303.3 Drainage Fixture Unit Values. The listed drainage fixture unit values in Table C 303.3 reflect a load of entire bathroom groups on the sanitary drainage system. Where fixtures within bathrooms connect to different branches of the drainage system, the fixture unit values for the individual fixtures shall be used, as listed in Table 702.1 of this code.

  C 304.0 Drainage System Sizing.

  C 304.1 Drainage Fixture Units. Drainage fixture unit values shall be sized in accordance with Section 702.0 and

  Table 702.1.

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  APPENDIX C

  TABLE C 303.2 WATER SUPPLY FIXTURE UNITS (WSFU) FOR BATHROOM GROUPS [1, 2]

  Col1	PRIVATE USE BATHROOM GROUP	Col3	SERVING 3 OR MORE PRIVATE USE BATHROOM GROUPS	Col5
  	COLD	HOT3	COLD	HOT
  Bathroom Groups Having up to 1.6 GPF Gravity-Tank and Pressure Tank Water Closets	Bathroom Groups Having up to 1.6 GPF Gravity-Tank and Pressure Tank Water Closets	Bathroom Groups Having up to 1.6 GPF Gravity-Tank and Pressure Tank Water Closets	Bathroom Groups Having up to 1.6 GPF Gravity-Tank and Pressure Tank Water Closets	Bathroom Groups Having up to 1.6 GPF Gravity-Tank and Pressure Tank Water Closets
  Half-Bath or Powder Room	3.5	0.8	2.5	0.5
  1 Bathroom Group	5.0	2.5	3.5	1.8
  11⁄2 Bathrooms	6.0	2.5	3.0	3.0
  2 Bathrooms	7.0	3.5	3.4	3.4
  21⁄2 Bathrooms	8.0	3.

• CPC § 422.1 Medium relevance — show source text

  |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.|

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  PLUMBING FIXTURES AND FIXTURE FITTINGS

  TABLE 422.1

  Col1	MINIMUM	Col3	PLUMBING F	FACILITIES1 (continued)	Col6	Col7	Col8	Col9
  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)	OTHER6, 7
  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 sink
  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,

• CPC § 403.3 Medium relevance — show source text

  403.3 Exposed Pipes and Surfaces . . . . .60

  404.0 Waste Fittings and Overflows . . . . .60

  404.1 Waste Fittings . . . . . . . . . . . . . . . . .60

  404.2 Overflows . . . . . . . . . . . . . . . . . . . .60

  405.0 Prohibited Fixtures . . . . . . . . . . . . .60

  405.1 Prohibited Water Closets . . . . . . . .60

  405.2 Prohibited Urinals . . . . . . . . . . . . . .60

  405.3 Miscellaneous Fixtures . . . . . . . . . .60

  406.0 Special Fixtures and Specialties . . .61

  406.1 Water and Waste Connections . . . .61

  406.2 Special Use Sinks . . . . . . . . . . . . .61

  406.3 Special Use Fixtures . . . . . . . . . . .61

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  TABLE OF CONTENTS

  406.4 Zinc Alloy Components . . . . . . . . .61

  407.0 Lavatories . . . . . . . . . . . . . . . . . . . .61

  407.1 Application . . . . . . . . . . . . . . . . . . .61

  407.2 Water Consumption . . . . . . . . . . . .61

  407.3 Limitation of Hot Water

  Temperature for Public Lavatories . . . . . . . . . . . . . . . . . . . .61

  407.4 Transient Public Lavatories . . . . . .61

  407.5 Waste Outlet . . . . . . . . . . . . . . . . . .61

  407.6 Overflow . . . . . . . . . . . . . . . . . . . . .61

  408.0 Showers . . . . . . . . . . . . . . . . . . . . .61

  408.1 Application . . . . . . . . . . . . . . . . . . .61

  408.2 Tileable Shower Receptors . . . . . .61

  408.3 Water Consumption . . . . . . . . . . . .61

  408.4 Individual Shower and

  Tub-Shower Combination

  Control Valves . . . . . . . . . . . . . . . .62

  408.5 Waste Outlet . . . . . . . . . . . . . . . . . .62

  408.6 Finished Curb or Threshold . . . . . .62

  408.7 Shower Compartments . . . . . . . . . .62

  408.8 Lining for Showers and Receptors . . . . . . . . . . . . . . . . . . . .62

  408.9 Public Shower Floors . . . . . . . . . . .63

  408.10 Location of Valves and Heads . . . . .63

  408.11 Water Supply Riser . . . . . . . . . . . .63

  409.0 Bathtubs and Whirlpool Bathtubs . . . . . . . . . . . . . . . . . . . . .63

• CPC § 18.9 Medium relevance — show source text

  Protectors, insulators, or both shall comply with ASME A112.18.9 or ASTM C1822. [HCD 1-AC] Specific requirements regard- ing 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 overflow shall comply with Section 404.2.1 or Section 404.2.2.

  404.2.1 Sinks, Lavatories, and Bathtubs. 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.

  404.2.2 Water Closets and Urinals. Overflows on flush tanks shall be permitted to discharge into the water closets or urinals served by them.

  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 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.

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  PLUMBING FIXTURES AND FIXTURE FITTINGS

  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 approvedtype bonderized 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:

  (1) Soapstone

  (2) Chemical stoneware

  (3) Copper-based alloy

  (4) Nickel-based alloy

  (5) Corrosion-resistant steel

  (6) 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.

• CPC § 422.1 Medium relevance — show source text

  PLUMBING FIXTURES AND FIXTURE FITTINGS

  TABLE 422.1

  Col1	Col2	MINIMUM	Col4	PLUMBING F	FACILITIES1 (continued)	Col7	Col8	Col9	Col10
  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)	OTHER6, 7
  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 sink
  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 sink
  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.

• CPC § 1-50 Medium relevance — show source text

  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 sink
  | |F1, F2 Factory or Indus-
  trial occupancy-fabricat-
  ing or assembly work|Over 100, add 1 fixture
  for each additional 40 per-
  sons.|Over 100, add 1 fixture
  for each additional 40 per-
  sons.|––|Over 100, add 1 fixture for
  each additional 40 per-
  sons.|Over 100, add 1 fixture for
  each additional 40 per-
  sons.|Over 100, add 1 fixture for
  each additional 40 per-
  sons.|Over 750,
  add 1 fixture
  for each
  additional
  500 persons.|Over 750,
  add 1 fixture
  for each
  additional
  500 persons.|

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  PLUMBING FIXTURES AND FIXTURE FITTINGS

  TABLE 422.1

  Col1	Col2	MINIMUM	Col4	PLUMBING F	FACILITIES1 (continued)	Col7	Col8	Col9	Col10
  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)	**OTHER6,

• CPC § 11B-604.8.1 Medium relevance — show source text

  In addition to_ the toilet compartments required to comply with Section 11B-604.8.1 and urinal compartments required to comply with Section 11B- 605.5, where the combination of urinals and water closets totals six or more fixtures, toilet compartments complying with Section 11B-604.8.2 shall be provided in the same quantity as the toilet compartments required to comply with Section 11B-604.8.1. At all compartments not required to comply with Section 11B-604.8 or Section 11B-605.5, compartment doors shall be in-swinging and self- closing. All individual compartments shall be identified with a sign complying with Section 11B-216.8.3.

  11B- 213.3.2 Water closets. Where water closets are provided, at least 5 percent but no fewer than one shall comply with Section 11B- 604 .

  11B- 213.3.3 Urinals. Where one or more urinals are provided, at least 10 percent but no fewer than one shall comply with Section 11B- 605 .

  11B- 213.3.4 Lavatories. Where lavatories are provided, at least 10 percent but no fewer than one shall comply with Section 11B- 606 and shall not be located in a toilet or urinal compartment .

  11B- 213.3.5 Mirrors. Where mirrors are provided, at least one shall comply with Section 11B- 603.3.

  11B- 213.3.6 Bathing facilities. Where bathtubs or showers are provided, at least one bathtub complying with Section 11B- 607 or at least one shower complying with Section 11B- 608 shall be provided. Where two or more accessible showers are provided within the same functional area, at least one shower shall be opposite hand from the other or others (that is, one left-hand controls versus right-hand controls). Transfer type shower compartments shall be permitted in transient lodging guest rooms, multibedroom hous- ing units in undergraduate student housing and residential dwelling units; and shall not be permitted at other locations to meet the requirements of Section 11B-213.3.6.

  11B- 213.3.7 Coat hooks and shelves. Where coat hooks or shelves are provided in toilet rooms without toilet compartments, at least one of each type shall comply with Section 11B- 603.4. Where coat hooks or shelves are provided in toilet compartments, at least one of each type complying with Section 11B- 604.8.3 shall be provided in toilet compartments required to comply with Section 11B- 213.3.1. Where coat hooks or shelves are provided in bathing facilities, at least one of each type complying with Section 11B- 603.4 shall serve fixtures required to comply with Section 11B- 213.3.6.

  SECTION 11B- 214—WASHING MACHINES AND CLOTHES DRYERS

  11B- 214.1 General. Where provided, washing machines and clothes dryers shall comply with Section 11B- 214 .

• CPC § 1001.0 Medium relevance — show source text

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  CHAPTER 10

  TRAPS AND INTERCEPTORS

  1001.0 General.

  1001.1 Applicability. This chapter shall govern the materials, design, and installation of traps and interceptors.

  1001.2 Where Required. Each plumbing fixture shall be separately trapped by an approved type of liquid seal trap. This section shall not apply to fixtures with integral traps. Not more than one trap shall be permitted on a trap arm. Food waste disposers installed with a set of restaurant, commercial, or industrial sinks shall be connected to a separate trap.

  Each domestic clothes washer and each laundry sink shall be connected to a separate and independent trap, except that a trap serving a laundry sink shall also be permitted to receive the waste from a clothes washer set adjacent to it.

  The vertical distance between a fixture outlet and the trap weir shall be as short as practicable, but in no case shall the tailpiece exceed 24 inches (610 mm) in length.

  One trap shall be permitted to serve a set of not more than three single compartment sinks or laundry sinks of the same depth or three lavatories immediately adjacent to each other and in the same room where the waste outlets are not more than 30 inches (762 mm) apart, and the trap is centrally located where three compartments are installed.

  1002.0 Traps Protected by Vent Pipes.

  1002.1 Vent Pipes. Each plumbing fixture trap, except as otherwise provided in this code, shall be protected against siphonage, backpressure, and air circulation shall be assured throughout the drainage system using a vent pipe installed in accordance with the requirements of this code.

  1002.2 Fixture Traps. Each fixture trap shall have a protecting vent so located that the developed length of the trap arm from the trap weir to the inner edge of the vent shall be within the distance given in Table 1002.2 but in no case less than two times the diameter of the trap arm. 1002.3 Change of Direction. A trap arm shall be permitted to change direction without the use of a cleanout where such change of direction does not exceed 90 degrees (1.57 rad). Horizontal changes in the direction of trap arms shall be in accordance with Section 706.3.

  Exception: For trap arms, 3 inches (80 mm) in diameter and larger, the change of direction shall not exceed 135 degrees (2.36 rad) without the use of a cleanout. 1002.4 Vent Pipe Opening. The vent pipe opening from soil or waste pipe, except for water closets and similar fixtures, shall not be below the weir of the trap.

  1003.0 Traps – Described. 1003.1 General Requirements. Each trap, except for traps within an interceptor or similar device shall be selfcleaning. Traps for bathtubs, showers, lavatories, sinks, laun

  dry sinks, floor drains, urinals, drinking fountains, dental units, and similar fixtures shall be of standard design, weight and shall be of ABS, cast-brass, cast-iron, lead, PP, PVC, or other approved material. An exposed and readily accessible drawn-copper alloy tubing trap, not less than 17 B & S Gauge (0.045 inch) (1.143 mm), shall be permitted to be used on fixtures discharging domestic sewage.

  Exception s :

• CPC § 401.2 Medium relevance — show source text

  401.2 Quality of Fixtures . . . . . . . . . . . . .59

  401.3 Water-Conserving Fixtures and Fittings . . . . . . . . . . . . . . . . . . .59

  402.0 Installation . . . . . . . . . . . . . . . . . . .59

  402.1 Cleaning . . . . . . . . . . . . . . . . . . . . .59

  402.2 Joints . . . . . . . . . . . . . . . . . . . . . . .59

  402.3 Securing Fixtures . . . . . . . . . . . . . .59

  402.4 Wall-Hung Fixtures . . . . . . . . . . . . .59

  402.5 Setting . . . . . . . . . . . . . . . . . . . . . .59

  402.6 Flanged Fixture Connections . . . . .59

  402.7 Supply Fittings . . . . . . . . . . . . . . . .60

  402.8 Installation . . . . . . . . . . . . . . . . . . .60

  402.9 Design and Installation of Plumbing Fixtures . . . . . . . . . . . . . .60

  402.10 Slip Joint Connections . . . . . . . . . .60

  402.11 Future Fixtures . . . . . . . . . . . . . . . .60

  403.0 Accessible Plumbing Facilities . . . .60

  403.1 General . . . . . . . . . . . . . . . . . . . . . .60

  403.2 Fixtures and Fixture Fittings for Persons with Disabilities . . . . . .60

  403.3 Exposed Pipes and Surfaces . . . . .60

  404.0 Waste Fittings and Overflows . . . . .60

  404.1 Waste Fittings . . . . . . . . . . . . . . . . .60

  404.2 Overflows . . . . . . . . . . . . . . . . . . . .60

  405.0 Prohibited Fixtures . . . . . . . . . . . . .60

  405.1 Prohibited Water Closets . . . . . . . .60

  405.2 Prohibited Urinals . . . . . . . . . . . . . .60

  405.3 Miscellaneous Fixtures . . . . . . . . . .60

  406.0 Special Fixtures and Specialties . . .61

  406.1 Water and Waste Connections . . . .61

  406.2 Special Use Sinks . . . . . . . . . . . . .61

  406.3 Special Use Fixtures . . . . . . . . . . .61

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  TABLE OF CONTENTS

  406.4 Zinc Alloy Components . . . . . . . . .61

  407.0 Lavatories . . . . . . . . . . . . . . . . . . . .61

  407.1 Application . . . . . . . . . . . . . . . . . . .61

  407.2 Water Consumption . . . . . . . . . . . .61

  407.3 Limitation of Hot Water

• CPC § 422.1 Medium relevance — show source text

  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| |R-4 Residential occu-
  pancy (residential care or
  assisted living)|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 sink| |R-4 Residential occu-
  pancy (residential care or
  assisted living)|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.|

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  PLUMBING FIXTURES AND FIXTURE FITTINGS

  TABLE 422.1

  Col1	MINIMUM	Col3	PLUMBING F	FACILITIES1 (continued)	Col6	Col7	Col8	Col9
  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)	OTHER6, 7
  **S-1,

• CPC § 422.1 Medium relevance — show source text

  |Over 750,
  add 1 fixture
  for each
  additional
  500 persons.|Over 750,
  add 1 fixture
  for each
  additional
  500 persons.|

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  PLUMBING FIXTURES AND FIXTURE FITTINGS

  TABLE 422.1

  Col1	Col2	MINIMUM	Col4	PLUMBING F	FACILITIES1 (continued)	Col7	Col8	Col9	Col10
  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)	OTHER6, 7
  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 sink
  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 sink
  I-2 Institu- tional occu- pancy-medi cal, psychi- atric,

• CPC § 402.1 Medium relevance — show source text

  TABLE L 402.1

  MAXIMUM FIXTURE AND FIXTURE FITTINGS FLOW RATES

  FIXTURE TYPE	FLOW RATE
  Showerheads	2.0 gpm at 80 psi1
  Kitchen faucets residential4	1.8 gpm at 60 psi
  Lavatory faucets residential5	1.5 gpm at 60 psi
  Lavatory faucets other than residential	0.5 gpm at 60 psi
  Metering faucets	0.25 gallons/cycle
  Metering faucets for wash fountains	One 0.25 gallons/cycle fixture fit- ting for each 20 inches rim space
  Wash fountains	One 2.2 gpm at 60 psi fixture fit- ting for each 20 inches rim space
  Water Closets	1.28 gallons/flush2
  Urinals	0.5 gallons/flush3
  Commercial Pre-Rinse Spray Valves	See Section L 402.9

  For SI units: 1 gallon per minute = 0.06 L/s, 1 pound-force per square inch = 6.8947 kPa, 1 inch = 25.4 mm, 1 gallon = 3.785 L

  Notes: 1 Shall be listed to EPA WaterSense Specification for Showerheads. For multiple showerheads serving one shower compartment see Section L

  402.6.1. 2 Shall be listed to EPA WaterSense Specification for Tank-Type Toilet or Specification for Flushometer-Valve Water Closets. 3 Shall be listed to EPA WaterSense Flushing Urinal Specification. Nonwater urinals shall comply with specifications listed in Section L 402.3.1. 4 See Section L 402.4. 5 Shall be listed to EPA WaterSense High-Efficiency Lavatory Faucet Specification.

  L 402.2 Water Closets. No water closet shall have an effective flush volume exceeding 1.28 gallons per flush (gpf) (4.8 Lpf). L 402.2.1 Gravity, Pressure Assisted, and Elec- tro-Hydraulic Tank Type Water Closets. Gravity, pressure assisted, and electro-hydraulic tank-type water closets shall have a maximum effective flush volume of

  TABLE L 402.1

  MAXIMUM FIXTURE AND FIXTURE FITTINGS FLOW RATES

  For SI units: 1 gallon per minute = 0.06 L/s, 1 pound-force per square inch = 6.8947 kPa, 1 inch = 25.4 mm, 1 gallon = 3.785 L

  Notes: 1 Shall be listed to EPA WaterSense Specification for Showerheads. For multiple showerheads serving one shower compartment see Section L

  402.6.1. 2 Shall be listed to EPA WaterSense Specification for Tank-Type Toilet or Specification for Flushometer-Valve Water Closets. 3 Shall be listed to EPA WaterSense Flushing Urinal Specification. Nonwater urinals shall comply with specifications listed in Section L 402.3.1. 4 See Section L 402.4. 5 Shall be listed to EPA WaterSense High-Efficiency Lavatory Faucet Specification.