CODES

ADOPTS WITH AMENDMENTS:

International Building Code 2012 (IBC 2012)

Copyright

Preface

Effective Use of the International Building Code

Legislation

Chapter 1 Scope and Administration

Chapter 2 Definitions

Chapter 3 Use and Occupancy Classification

Chapter 4 Special Detailed Requirements Based on Use and Occupancy

Chapter 5 General Building Heights and Areas

Chapter 6 Types of Construction

Chapter 7 Fire and Smoke Protection Features

Chapter 8 Interior Finishes

Chapter 9 Fire Protection Systems

Chapter 10 Means of Egress

Chapter 11 Accessibility

Chapter 12 Interior Environment

Chapter 13 Energy Efficiency

Chapter 14 Exterior Walls

Chapter 15 Roof Assemblies and Rooftop Structures

Chapter 16 Structural Design

Chapter 17 Special Inspections and Tests

Chapter 18 Soils and Foundations

Chapter 19 Concrete

Chapter 20 Aluminum

Chapter 21 Masonry

Chapter 22 Steel

Chapter 23 Wood

Chapter 24 Glass and Glazing

Chapter 25 Gypsum Board and Plaster

Chapter 26 Plastic

Chapter 27 Electrical

Chapter 28 Mechanical Systems

Chapter 29 Plumbing Systems

Chapter 30 Elevators and Conveying Systems

Chapter 31 Special Construction

Chapter 32 Encroachments Into the Public Right-Of-Way

Chapter 33 Safeguards During Construction

Chapter 34 Existing Buildings and Structures

Chapter 35 Referenced Standards

Appendix A Employee Qualifications

Appendix B Board of Appeals

Appendix C GROUP U—AGRICULTURAL BUILDINGS

Appendix D Fire Districts

Appendix E Supplementary Accessibility Requirements

Appendix F Rodentproofing

Appendix G Flood-Resistant Construction

Appendix H Signs

Appendix I Patio Covers

Appendix J Grading

Appendix K Administrative Provisions

Appendix L Earthquake Recording Instrumentation

Appendix M Tsunami-Generated Flood Hazard

The provisions of this chapter and the International Plumbing Code shall govern the erection, installation, alteration, repairs, relocation, replacement, addition to, use or maintenance of plumbing equipment and systems. Toilet and bathing rooms shall be constructed in accordance with Section 1210. Plumbing systems and equipment shall be constructed, installed and maintained in accordance with the International Plumbing Code. Private sewage disposal systems shall conform to the International Private Sewage Disposal Code.
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 FIXTURESa
(See Sections 2902.1.1 and 2902.2)

No.CLASSIFICATIONOCCUPANCYDESCRIPTIONWATER CLOSETS
(URINALS SEE
SECTION 419.2 OF
THE INTERNATIONAL
PLUMBING CODE
)
LAVATORIESBATHTUBS/ SHOWERSDRINKING
FOUNTAINSe, f
(SEE SECTION
410.1 OF THE
INTERNATIONAL
PLUMBING
CODE)
OTHER
MALEFEMALEMALEFEMALE
1Assembly
(continued)
A-1dTheaters and other buildings for the performing arts and motion pictures 1 per 1251 per 651 per 2001 per 5001 service sink
A-2dNightclubs, bars, taverns, dance halls and buildings for similar purposes 1 per 401 per 401 per 751 per 5001 service sink
Restaurants, banquet halls and food courts1 per 751 per 751 per 2001 per 5001 service sink
A-3dAuditoriums without permanent seating, art galleries, exhibition halls, museums, lecture halls, libraries, arcades and gymnasiums1 per 125 1 per 651 per 2001 per 5001 service sink
Passenger terminals and transportation facilities1 per 500 1 per 5001 per 7501 per 1,0001 service sink
Places of worship and other religious services1 per 1501 per 751 per 2001 per 1,0001 service sink

(continued)

[P] TABLE 2902.1—(continued)
MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURESa
(See Sections 2902.1.1 and 2902.2)

No.CLASSIFICATIONOCCUPANCYDESCRIPTIONWATER CLOSETS
(URINALS SEE SECTION
419.2 OF THE
INTERNATIONAL
PLUMBING CODE
)
LAVATORIESBATHTUBS/
SHOWERS
DRINKING
FOUNTAINSe, f
(SEE SECTION
410.1 OF THE
INTERNATIONAL
PLUMBING
CODE)
OTHER
MALEFEMALEMALEFEMALE
1AssemblyA-4Coliseums, arenas, skating rinks, pools and tennis courts for indoor sporting events and activities1 per 75 for the first 1,500 and 1 per 120 for the remainder exceeding 1,5001 per 40 for the first 1,520 and 1 per 60 for the remainder exceeding 1,5201 per 2001 per 1501 per 1,0001 service sink
A-5Stadiums, amusement parks, bleachers and grandstands for outdoor sporting events and activities1 per 75 for the first 1,500 and 1 per 120 for the remainder exceeding 1,5001 per 40 for the first 1,520 and 1 per 60 for the remainder exceeding 1,5201 per 2001 per 1501 per 1,0001 service sink
2BusinessBBuildings for the transaction of business, professional services, other services involving merchandise, office buildings, banks, light industrial and similar uses1 per 25 for the first 50 and 1 per 50 for the remainder exceeding 501 per 40 for the first 80 and 1 per 80 for the remainder exceeding 801 per 1001 service sinkg
3EducationalEEducational facilities1 per 501 per 501 per 1001 service sink
4Factory and industrialF-1 and F-2Structures in which occupants are engaged in work fabricating, assembly or processing of products or materials1 per 1001 per 100See Section 411 of the International Plumbing Code 1 per 4001 service sink
5InstitutionalI-1Residential care1 per 101 per 101 per 81 per 1001 service sink
I-2Hospitals, ambulatory nursing home care recipientb1 per per roomc1 per per roomc1 per 151 per 1001 service sink
Employees, other than residential careb 1 per 251 per 351 per 100
Visitors, other than residential care 1 per 751 per 1001 per 500
I-3Prisonsb1 per cell1 per cell1 per 151 per 1001 service sink
I-3Reformatories, detention centers and correctional centersb1 per 151 per 151 per 151 per 1001 service sink
Employeesb1 per 251 per 351 per 100
I-4Adult day care and child day care1 per 151 per 1511 per 1001 service sink

(continued)

[P] TABLE 2902.1continued
MINIMUM NUMBER OF REQUIRED PLUMBING FIXTURESa

(See Sections 2902.1.1 and 2902.2)

No.CLASSIFICATIONOCCUPANCYDESCRIPTIONWATER CLOSETS
(URINALS SEE
SECTION 419.2 OF
THE
INTERNATIONAL
PLUMBING CODE
)
LAVATORIESBATHTUBS
OR
SHOWERS
DRINKING
FOUNTAINSe, f

(SEE SECTION
410.1 OF THE
INTERNATIONAL
PLUMBING CODE
)
OTHER
MALEFEMALEMALEFEMALE
6MercantileMRetail stores, service stations, shops, salesrooms, markets and shopping centers1 per 5001 per 7501 per 1,0001 service sinkg
7ResidentialR-1Hotels, motels, boarding houses (transient)1 per sleeping
unit
1 per sleeping
unit
1 per sleeping unit1 service sink
R-2Dormitories, fraternities, sororities and boarding houses (not transient)1 per 101 per 101 per 81 per 1001 service sink
R-2Apartment house1 per dwelling unit1 per dwelling unit1 per dwelling unit1 kitchen sink per dwelling unit; 1 automatic clothes washer connection per 20 dwelling units
R-3One- and two-family dwellings1 per dwelling unit1 per dwelling unit1 per dwelling unit1 kitchen sink per dwelling unit; 1 automatic clothes washer connection per dwelling unit
R-3Congregate living facilities with 16 or fewer persons1 per 101 per 101 per 81 per 1001 service sink
R-4Congregate living facilities with 16 or fewer persons1 per 101 per 101 per 81 per 1001 service sink
8StorageS-1
S-2
Structures for the storage of goods, warehouses, store-houses and freight depots, low and moderate hazard 1 per 1001 per 100See Section 411 of the International Plumbing Code1 per 1,0001 service 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.
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.

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.
Plumbing fixtures shall be provided as established in ARM 24.301.351.
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.
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.
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.

2902.3.1 Access

STATE AMENDMENT
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.
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.

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 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.

2902.3.4 Pay Facilities

STATE AMENDMENT
Where pay facilities are installed, such facilities shall be in excess of the required minimum facilities. Required facilities shall be free of charge.

2902.3.5 Door Locking

STATE AMENDMENT
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.
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.
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.
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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