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• International Building Code
o J 2012 (Second Printing) 1
• Chapter 29 - Plumbing Systems
• SECTION 2901 GENERAL
• SECTION 2902 MINIMUM PLUMBING FACILITIES
[P1 2902.1 Minimum number of fixtures.
]P] 2902.2 Separate facilities.
JP1 2902.3 Employee and public toilet facilities.
JP] 2902.4 Signage.
JP1 2902.5 Drinking fountain location.
JP] 2902.1 Minimum number of fixtures.
JP] 2902.2 Separate facilities.
JP] 2902.3 Employee and public toilet facilities.
JP1 2902.4 Signage.
JP] 2902.5 Drinking fountain location.
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SECTION 2902 MINIMUM PLUMBING FACILITIES
[P] 2902.1 Minimum number of fixtures.
Plumbing fixtures shall be provided for the type of occupancy and in the minimum number shown in Table 2902.1. Types of occupancies not shown in
Table 2902.1 shall be considered individually by the building official. The number of occupants shall be determined by this code. Occupancy
classification shall be determined in accordance with Chapter 3.
[P] TABLE 2902.1 MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES' (See Sections 2902.2 and 2902.3)
No.
CLASSIFICATION
OCCUPANCY
DESCRIPTION
WATER
CLOSETS
(URINALS SEE
SECTION 419.2
OF THE
INTERNATIONAL
PLUMBING
CODE)
LAVATORIES
BATHTUBS/
SHOWERS
DRINKING
FOUNTAINse'f
(SEE SECTION
410.1 OF THE
INTERNATIONAL
PLUMBING
CODE)
OTHER
MALE
FEMALE
MALE FEMALE
1
Assembly
(continued)
A-ld
Theaters and
other buildings
for the
performing arts
and motion
pictures
1 per
125
1 per 65
1 per 200
—
1 per 500
1 service
sink
A-2 d
Nightclubs, bars,
taverns, dance1
halls and
buildings for
similar purposes
140 r 1r
1 per 40
1 per 75
—
1 per 500
service
sink
Restaurants,
banquet halls
and food courts
1 per 11
per 75
1 per 200
—
1 per 500
1 service
sink
A -3d
Auditoriums
without
permanent
seating, art
galleries,
exhibition halls,
museums,
lecture halls,
libraries, arcades
and gymnasiums
1 per
125
1 per 65
1 per 200
—
1 per 500
1 service
sink
Passenger
terminals and
transportation
facilities
1 per1
500
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
—
I per 1,000
1 service
sink
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Chapter 29 - Plumbing Systems
(continued)
[P] TABLE 2902.1—continued MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES'
Page 2 of 5
No.
CLASSIFICATION
OCCUPANCY
DESCRIPTION
WATER CLOSETS
(URINALS SEE
SECTION 419.2 OF
THE
INTERNATIONAL
PLUMBING
CODE)
LAVATORIES
BATHTUBS/
SHOWERS
DRINKING
FOUNTAINSe,f
(SEE SECTION
410.1 OF THE
INTERNATIONAL
PLUMBING
CODE)
OTHER
MALE
FEMALE
MALE
FEMALE
1
Assembly
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
1er 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
Buildings for the
transaction of
business,
professional
services, other
services
involving
merchandise,
office buildings,
banks, light
industrial and
similar uses
1 per 25 for the first
50 and I per 50 for
the remainder
exceeding 50
1 per 40 for the
first 80 and 1 per
80 for the
remainder
exceeding 80
—
1 per 100
1 service
sink g
3
Educational
E
Educational
facilities
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 of the
International
Plumbing
Code
1 per 400
1 service
sink
5
Institutional
I-1
Residential care
l per 10
1 per 10
1 per 8
1 per 100
1 service
sink
1-2
Hospitals,
ambulatory
nursing home
care recipientb
1 per per room°
1 per per room
1 per 15
1 per 100
1 service
sink
Employees,
other than
residential careb
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
Prisonsb
1 per cell
1 per cell
1 per 15
1 per 100
1 service
sink
Reformatories,
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i
Chapter 29 - Plumbing Systems
detention centers
and correctional
I-3 centersb
I-4
1perl5 1perl5
1 per 15
1 per 100
Page 3 of 5
1 service
sink
Employeesb
Adult day care
and child day
care
1 per 25 1 per 35
1 per 15
lper 15
1
1 per 100
1 per 100
(continued)
[P] TABLE 2902.1—continued MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURES' (See Sections 2902.2 and 2902.3)
1 service
sink
No.
CLASSIFICATION
OCCUPANCY
DESCRIPTION
WATER
CLOSETS
(URINALS SEE
SECTION 419.2
OF THE
INTERNATIONAL
PLUMBING
CODE)
LAVATORIES
BATHTUBS
OR
SHOWERS
DRINKING
FOUNTAINSe,f
(SEE SECTION
410.1 OF THE
INTERNATIONAL
PLUMBING
CODE)
OTHER
MALE FEMALE
MALE FEMALE
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
sig
7
Residential
R-1
Hotels, motels,
boarding houses
(transient)
1 per sleeping unit
1 per sleeping unit
1 per_
sleeping unit
1 service
sink
R-2
Dormitories,
fraternities,
sororities and
boarding houses
(not transient)
1 per 10
1 per 10
I per 8
1 per 100
1 service
sink
R-2
Apartment house
1 per dwelling unit
1 per dwelling unit
1 per
dwelling unit
—
1 kitchen
sink per
dwelling
unit; 1
automatic
clothes
washer
connection
per 20
dwelling
units
R-3
One- and two
family dwellings
1 per dwelling unit
1 per 10
1 per
dwelling unit
_
1 kitchen
sink per
dwelling
unit; 1
automatic
clothes
washer
connection
per
dwelling
unit
R-3
Congregate
living facilities
� 16 or fewer
wipersons
1 per 10
1 per 10
1 per 8
1 per 100
1 service
sink
R-4
Congregate
living facilities
16 or fewer
withpersons
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,
storehouses and
1 per 100
1 per 100
See Section
411 of the
International
1 per 1,000
1 service
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freight depots,
low and
moderate hazard
Plumbing
Code
sink
a. The fixtures shown are based on one fixture being the minimum required for the number of persons indicated or any fraction of the number of
persons indicated. The number of occupants shall be determined by this code.
b. Toilet facilities for employees shall be separate from facilities for inmates 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 fountains shall comply with Table 2902.1 and Chapter 11.
f. Drinking fountains are not required for an occupant load of 15 or fewer.
g. For business and mercantile occupancies with an occupant load of 15 or fewer, service sinks shall not be required.
[P] 2902.1.1 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 2902.1. Fractional numbers
resulting from applying the fixture ratios of Table 2902.1 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.
Exception: The total occupant load shall not be required to be divided in half where approved statistical data indicate a distribution of the sexes
of other than 50 percent of each sex.
[P] 2902.1.2 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 are permitted to be included in the number of
required fixtures for either the male or female occupants in assembly and mercantile occupancies.
[P] 2902.2 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. Separate facilities shall not be required in structures or tenant spaces with a total occupant load, including both employees and customers, of
15 or less.
3. Separate facilities shall not be required in mercantile occupancies in which the maximum occupant load is 100 or less.
[P] 2902.2.1 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/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 2902.4.
[P] 2902.3 Employee and public toilet facilities.
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 toilet facilities shall be provided in accordance with Section 2902.1 for all users. Employees shall be
provided with toilet facilities in all occupancies. Employee toilet facilities shall either be separate or combined employee and public toilet facilities.
Exception: Public toilet facilities shall not be required in open or enclosed parking garages. Toilet facilities shall not be required in parking garages
where there are no parking attendants.
[P] 2902.3.1 Access.
The route to the public toilet facilities required by Section 2902.3 shall not pass through kitchens, storage rooms or closets. Access to the required
facilities shall be from within the building or from the exterior of the building. All routes shall comply with the accessibility requirements of this
code. The public shall have access to the required toilet facilities at all times that the building is occupied.
[P] 2902.3.2 Location of toilet facilities in occupancies other than malls.
In occupancies other than covered and open mall buildings, the required public and employee toilet facilities shall be located not more than one
story above or below the space required to be provided with toilet facilities, and the path of travel to such facilities shall not exceed a distance of
500 feet (152 m).
Exception: The location and maximum travel distances to required employee facilities in factory and industrial occupancies are permitted to
exceed that required by this section, provided that the location and maximum travel distance are approved.
[P] 2902.3.3 Location of toilet facilities in malls.
In covered and open mall buildings, the required public and employee toilet facilities shall be located not more than one story above or below the
space required to be provided with toilet facilities, and the path of travel to such facilities shall not exceed a distance of 300 feet (91 440 mm). In
mall buildings, the required facilities shall be based on total square footage (m2) within a covered mall building or within the perimeter line of an
open mall building, and facilities shall be installed in each individual store or in a central toilet area located in accordance with this section. The
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Chapter 29 - Plumbing Systems Page 5 of 5
maximum travel distance to central toilet facilities in mall buildings shall be measured from the main entrance of any store or tenant space. In
mall buildings, where employees' toilet facilities are not provided in the individual store, the maximum travel distance shall be measured from
the employees' work area of the store or tenant space.
[P] 2902.3.4 Pay facilities.
Where pay facilities are installed, such facilities shall be in excess of the required minimum facilities. Required facilities shall be free of charge.
[P] 2902.3.5 Door locking.
Where a toilet room is provided for the use of multiple occupants, the egress door for the room shall not be lockable from the inside of the room.
This section does not apply to family or assisted -use toilet rooms.
[P] 2902.4 Signage.
Required public facilities shall be designated by a legible sign for each sex. Signs shall be readily visible and located near the entrance to each toilet
facility. Signs for accessible toilet facilities shall comply with Section 1110.
[P] 2902.4.1 Directional signage.
Directional signage indicating the route to the public facilities shall be posted in accordance with Section 3107. Such signage shall be located in a
corridor or aisle, at the entrance to the facilities for customers and visitors.
[P] 2902.5 Drinking fountain location.
Drinking fountains shall not be required to be located in individual tenant spaces provided that public drinking fountains are located within a travel
distance of 500 feet of the most remote location in the tenant space and not more than one story above or below the tenant space. Where the tenant
space is in a covered or open mall, such distance shall not exceed 300 feet. Drinking fountains shall be located on an accessible route.
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Oa.
ARCHITECT
STRUCTURAL
LANDSCAPE
NOTES
ISSUES
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