402.3 Sheet copper.

Sheet copper for general applications shall conform to ASTM B 152 and shall not weigh less than 12 ounces per square foot (3.7 kg/m 2 ).

402.4 Sheet lead.

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

Section PC 403: Minimum Plumbing Facilities

403.1 Minimum number of fixtures.

Plumbing fixtures shall be provided for the type of occupancy and in the minimum number shown in Table 403.1. Types of occupancies not shown in Table 403.1 shall be considered individually by the commissioner. The number of occupants shall be determined by the New York City Building Code. Occupancy classification shall be determined in accordance with the New York City Building Code.

Table 403.1
Minimum Number of Required Plumbing Fixtures a
(See Sections 403.1.1 and 403.2)

No.	Classification	Occupancy i	Description	Water Closets (Urinals: See Section 419.2)		Lavatories		Bathtubs/ Showers	Drinking Fountain (See Section 410) e	Other
				Male	Female	Male	Female
1	Assembly	A-1 d	Theaters and other buildings for the performing arts and motion pictures	1 per 70 for the first 210 and 1 per 125 for the remainder	1 per 35 for the first 210 and 1 per 65 for the remainder	1 per 200		—	1 per 500	1 service sink
		A-2 d	Nightclubs, bars f, taverns, dance halls and buildings for similar purposes	1 per 75 i	1 per 40 i	1 per 75		—	1 per 500	1 service sink
			Restaurants g, banquet halls and food courts	1 per 75	1 per 75	1 per 200		—	1 per 500	1 service sink
		A-3 d	Auditoriums without permanent seating, art galleries, exhibition halls, museums, lecture halls, arcades and gymnasiums	1 per 70 for the first 210 and 1 per 125 for the remainder	1 per 35 for the first 210 and 1 per 65 for the remainder	1 per 200		—	1 per 500	1 service sink
			Passenger terminals and transportation facilities	1 per 500	1 per 500	1 per 750		—	1 per 1,000	1 service sink
			Places of worship and other religious services	1 per 150	1 per 75	1 per 200		—	1 per 1,000	1 service sink
		A-4	Coliseums, arenas, skating rinks, pools and tennis courts for indoor sporting events and activities	1 per 75 for the first 1,500 and 1 per 120 for the remainder exceeding 1,500	1 per 40 for the first 1,520 and 1 per 60 for the remainder exceeding 1,520	1 per 200	1 per 150	—	1 per 1,000	1 service sink
		A-5	Stadiums, amusement parks, bleachers and grandstands for outdoor sporting events and activities	1 per 75 for the first 1,500 and 1 per 120 for the remainder exceeding 1,500	1 per 40 for the first 1,520 and 1 per 60 for the remainder exceeding 1,520	1 per 200	1 per 150	—	1 per 1,000	1 service sink
2	Business	B j, n	Buildings for the transaction of business, professional services, other services including merchandise, office buildings, banks, light industrial and similar uses	No. of persons for each sex 1 - 20 21 - 45 46 - 70 71 - 100 101 - 140 141 - 190 1 fixture for each additional 50 persons	No. of fixtures 1 2 3 4 5 6	No. of persons for each sex 1 - 25 26 - 50 51 - 75 76 - 115 116 - 160 1 fixture for each additional 60 persons	No. of fixtures 1 2 3 4 5	—	1 per 100	1 service sink m
3	Educational	E	Educational facilities, including libraries accessory to Group E	1 per 50		1 per 50		—	1 per 100	1 service sink
4	Factory and industrial	F-1 and F-2	Structures in which occupants are engaged in work fabricating, assembly or processing of products or materials	1 per 100		1 per 100		(see Section 411)	1 per 400	1 service sink
5	Institutional	I-1 k	Residential care	1 per 10		1 per 10		1 per 8	1 per 100	1 service sink
		I-2	Hospitals, ambulatory nursing home care recipient	1 per room c		1 per room c		1 per 15	1 per 100	1 service sink per floor
			Employees, other than residential care b	1 per 25		1 per 35		—	1 per 100	—
			Visitors, other than residential care	1 per 75		1 per 100		—	1 per 500	—
		I-3	Prisons b	1 per cell		1 per cell		1 per 15	1 per 100	1 service sink
			Reformatories, detention centers, and correctional centers	1 per 15		1 per 15		1 per 15	1 per 100	1 service sink
			Employees b	1 per 25		1 per 35		—	1 per 100	—
		I-4	Adult day care and child day care b	1 per 15		1 per 15		1 per 15	1 per 100	1 service sink
6	Mercantile	M	Retail stores, service stations, shops, salesrooms, markets and shopping centers	1 per 500		1 per 750		—	1 per 1,000	1 service sink
7	Residential	R-1 k	Hotels, motels, boarding houses (transient)	1 per guestroom		1 per guestroom		1 per guestroom	—	1 service sink
			Dormitories, fraternities, sororities and boarding houses (not transient	1 per 10		1 per 10		1 per 8	1 per 100	1 service sink
		R-2 k	Apartment house	1 per dwelling unit		1 per dwelling unit		1 per dwelling unit	—	1 kitchen sink per dwelling; 1 automatic clothes washer connection per 20 dwelling units e
		R-3	One- and two-family dwellings and lodging houses with five or fewer guestrooms	1 per dwelling unit		1 per dwelling unit		1 per dwelling unit	—	1 kitchen sink per dwelling; 1 automatic clothes washer connection per dwelling unit e
		R-3 k	Congregate living facilities with 16 or fewer persons	1 per 10		1 per 10		1 per 8	1 per 100	1 service sink
8	Storage	S-1 S-2	Structures for the storage of goods, warehouses, storehouse and freight depots. Low and Moderate Hazard.	1 per 100		1 per 100		See Section 411	1 per 1,000	1 service sink

 

a.   The fixtures shown are based on one fixture being the minimum required for the number of persons indicated. Any fraction of the number of persons requires an additional fixture. The number of occupants shall be determined by the New York City Building Code.

b.   Toilet facilities for employees shall be separate from facilities for incarcerated individuals or care recipients.

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

d.   The occupant load for seasonal outdoor seating and entertainment areas shall be included when determining the minimum number of facilities required.

e.   The minimum number of required drinking foundations shall comply with Table 403.1 and Chapter 11 of the New York City Building Code.

f.   For the purposes of this table only, "Bar" shall mean a business establishment or a portion of a nonprofit entity devoted primarily to the selling and serving of alcoholic beverages for consumption by the public, guests, patrons, or members on the premises and in which the serving of food is only incidental.

g.   The total number of occupants for a single establishment comprising of a restaurant with an accessory bar shall be considered as a restaurant for the purposes of determining the minimum number of plumbing fixtures.

h.   As per the New York City Building Code.

i.   The requirements for the number of water closets for a total occupancy of 150 persons or fewer shall not apply to bars except that, subject to the requirements of Section 403.2.1, there shall be at least one water closet for men and at least one water closet for women or at least two single-occupant toilet rooms.

j.   The number of fixtures for building or nonaccessory tenant space used for assembly purposes by fewer than 75 persons and classified as Group B occupancy in accordance with Section 303.1, Exception 2 of the New York City Building Code shall be permitted to be calculated in accordance with the requirements for Assembly occupancies.

k.   In addition to the requirements of Table 403.1, residential occupancies I-1, R-1, R-2, and R-3 shall provide fixtures in compliance with the requirements of Section 614 for emergency drinking water access.

l.   [Reserved.]

m.   For business and mercantile occupancies with an occupant load of 15 or fewer, service sinks shall not be required.

n.   Libraries that are not classified as accessory to Group E per Section 304.1 of the New York City Building Code shall comply with fixture counts for Group B occupancies.

(Am. L.L. 2016/079, 6/28/2016, eff. 10/26/2016; Am. 2021 N.Y. Laws Ch. 322, 8/2/2021, eff. 8/2/2021)

Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2014/051.

403.1.1 Fixture calculations.

To determine the occupant load of each sex, the total occupant load shall be divided in half. To determine the required number of fixtures, the fixture ratio or ratios for each fixture type shall be applied to the occupant load of each sex in accordance with Table 403.1. Fractional numbers resulting from applying the fixture ratios of Table 403.1 shall be rounded up to the next whole number. For calculations involving multiple occupancies, such fractional numbers for each occupancy shall first be summed and then rounded up to the next whole number. Fixture calculations in Group B office occupancies shall utilize the total occupant load on a given floor to determine the number of fixtures required for that floor.

   Exception: The total occupant load shall not be required to be divided in half where approved statistical data indicates a distribution of the sexes of other than 50 percent of each sex.

403.1.2 Family or assisted-use toilet and bath fixtures.

Fixtures located within family or assisted-use toilet and bathing rooms required by Section 1109.2.1 of the New York City Building Code are permitted to be included in the number of required fixtures for either the male or female occupants in assembly and mercantile occupancies.

403.1.3 Single-occupant toilet fixtures.

Fixtures located within single-occupant toilet rooms are permitted to be included in the number of fixtures required by Section 403, or where applicable the 1968 Building Code, for either the male or the female occupants. Fixtures located within toilet rooms subject to the exception of Section 403.2.1 are permitted to be included in the number of fixtures required by Section 403, or where applicable the 1968 Building Code, only for that sex.

(L.L. 2016/079, 6/28/2016, eff. 10/26/2016)

403.2 Separate facilities.

Where plumbing fixtures are required, separate facilities shall be provided for each sex.

   Exceptions:

      1.   Separate facilities shall not be required for dwelling units and sleeping units.

      2.   In structures or tenant spaces where combined employee and public toilet facilities are provided in accordance with Section 403.3, separate facilities shall not be required where the total number of employees, customers, patrons and visitors is 30 or fewer.

      3.   In structures or tenant spaces where required toilet facilities for only employee use are provided in accordance with Section 403.3, separate facilities shall not be required where the total number of employees is 30 or fewer.

      4.   In structures or tenant spaces where required toilet facilities for only public use are provided in accordance with Section 403.3, separate facilities shall not be required where the total number of customers, patrons and visitors is 30 or fewer.

403.2.1 Family or assisted-use toilet facilities serving as separate facilities.

Where a building or tenant space requires a separate toilet facility 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 to serve as the required separate facilities. Family or assisted-use toilet facilities shall not be required to be identified for exclusive use by either sex as required by Section 403.4.  

(Am. L.L. 2023/077, 6/11/2023, eff. 6/11/2023)

Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2023/077.

* Editor's note: As set forth in L.L. 2023/077; intended reference is likelty "two family or assisted-use toilet facilities...."

403.2.2 Single-occupant toilet rooms.

All single-occupant toilet rooms shall be made available for use by persons of any sex. Existing toilet rooms shall comply with this section. Nothing in this section shall be construed to affect or alter the number of toilet rooms in a building otherwise required pursuant to this code or where applicable the 1968 Building Code.

   Exception: Where egress from a single-occupant toilet room is through a room permissibly restricted by sex.

(L.L. 2016/079, 6/28/2016, eff. 10/26/2016)

403.3 Required employee and public toilet facilities.

Employees shall be provided with toilet facilities in all occupancies. The number of plumbing fixtures located within the required employee toilet facilities shall be provided in accordance with Section 403 for all employees. Customers, patrons and visitors shall be provided with public toilet facilities in structures and tenant spaces intended for public utilization. The number of plumbing fixtures located within the required public toilet facilities shall be provided in accordance with Section 403 for all customers, patrons and visitors. Employee and public toilet facilities may be separate or combined. Where combined facilities are provided, the number of plumbing fixtures shall be in accordance with Section 403 for all users.

   Exception: Public utilization of toilet facilities shall not be required for:

      1.   Food service establishments, as defined in Section 81.03 of the New York City Health Code, with a seating capacity of less than 20, provided such establishments are less than 10,000 square feet (929 m 2 ).

      2.   Establishments less than 10,000 square feet (929 m 2 ) classified as Occupancy Group B or M pursuant to Sections 304.1 and 309.1 of the New York City Building Code, respectively, provided however that this exception shall not apply to a building or nonaccessory tenant space used for assembly purposes by fewer than 75 persons and classified as a Group B occupancy in accordance with Section 303.1.2 of the New York City Building Code.