The provisions of this chapter and the InternationalUniform Plumbing Code shall govern the design, construction, erection and installation of plumbing components, appliances, equipment and systems used in buildings and structures covered by this code. Toilet and bathing rooms shall be constructed in accordance with Section 1209. Private sewage disposal systems shall conform to the International Private Sewage Disposal Code. The International Fire Code, the International Property Maintenance Code and the InternationalUniform Plumbing Code shall govern the use and maintenance of plumbing components, appliances, equipment and systems. The International Existing Building Code and the InternationalUniform Plumbing Code shall govern the alteration, repair, relocation, replacement and addition of plumbing components, appliances, equipment and systems.
[P] TABLE 2902.1
SECTION 424.2 OF THE
INTERNATIONAL PLUMBING CODE)
(SEE SECTION 410
INTERNATIONAL PLUMBING CODE)
|1||Assembly||Theaters and other buildings for the performing arts and motion picturesd||1 per 125||1 per 65||1 per 200||—||1 per 500||1 service sink|
|Nightclubs, bars, taverns, dance halls and buildings for similar purposesd||1 per 40||1 per 40||1 per 75||—||1 per 500||1 service sink|
|Restaurants, banquet halls and food courtsd||1 per 75||1 per 75||1 per 200||—||1 per 500||1 service sink|
|Casino gaming areas||1 per 100 for the first 400 and 1 per 250 for the remainder exceeding 400||1 per 50 for the first 400 and 1 per 150 for the remainder exceeding 400||1 per 250 for the first 750 and 1 per 500 for the remainder exceeding 750||—||1 per 1,000||1 service sink|
|Auditoriums without permanent seating, art galleries, exhibition halls, museums, lecture halls, libraries, arcades and gymnasiumsd||1 per 125||1 per 65||1 per 200||—||1 per 500||1 service sink|
|Passenger terminals and transportation facilitiesd||1 per 500||1 per 500||1 per 750||—||1 per 1,000||1 service sink|
|Places of worship and other religious servicesd||1 per 150||1 per 75||1 per 200||—||1 per 1,000||1 service sink|
|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|
|Stadiums, amusement parks, bleachers and grandstands for outdoor sporting events and activitiesf||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||Buildings for the transaction of business, professional services, other services involving merchandise, office buildings, banks, light industrial, ambulatory care and similar uses||1 per 25 for the first 50 and 1 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 sinke|
|3||Educational||Educational facilities||1 per 50||1 per 50||—||1 per 100||1 service sink|
|4||Factory and industrial||Structures in which occupants are engaged in work fabricating, assembly or processing of products or materials||1 per 100||1 per 100||—||1 per 400||1 service sink|
|5||Institutional||Custodial care facilities||1 per 10||1 per 10||1 per 8||1 per 100||1 service sink|
|Medical care recipients in hospitals and nursing homesb||1 per roomc||1 per roomc||1 per 15||1 per 100||1 service sink|
|Employees in hospitals and nursing homesb||1 per 25||1 per 35||—||1 per 100||—|
|Visitors in hospitals and nursing homes||1 per 75||1 per 100||—||1 per 500||—|
|Prisonsb||1 per cell||1 per cell||1 per 15||1 per 100||1 service sink|
|Reformatories, detention centers and correctional centersb||1 per 15||1 per 15||1 per 15||1 per 100||1 service sink|
|Employees in reformitories, detention centers and correctional centersb||1 per 25||1 per 35||—||1 per 100||—|
|Adult day care and child day care||1 per 15||1 per 15||1||1 per 100||1 service sink|
|6||Mercantile||Retail stores, service stations, shops, salesrooms, markets and shopping centers||1 per 500||1 per 750||—||1 per 1,000||1 service sinke|
|7||Residential||Hotels, motels, boarding houses (transient)||1 per sleeping unit||1 per sleeping unit||1 per sleeping unit||—||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|
|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|
|One- and two-family dwellings and lodging houses with five or fewer guestrooms||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|
|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||Structures for the storage of goods, warehouses, storehouses and freight depots, low and moderate hazard||1 per 100||1 per 100||—||1 per 1,000||1 service sink|
|Occupancy or Use||Water Closets
(Urinals - see footnotes g & m)
|ASSEMBLY||Theaters||1 per 125||1 per 65||1 per 2 water
|1 per 1,000|
|Nightclubsg,n,p||1 per 40||1 per 40|
|Restaurantsg,n,p||1 per 75||1 per 75|
|Halls, museums, coliseums,
arenaso, stadiums, pools, etc.
|1 per 125||1 per 75||1 per 1,000|
|Churchesd||1 per 150||1 per 75||1 per 1,000|
|Businessi,j,l,p||1 per 25||1 per 25|
|Educational Elementary||1 per 100||1 per 35||1 per 2 water
|1 per floor|
|Educational Secondary||1 per 100||1 per 45||1 per 2 water
|1 per floor|
|Factory and industrial||1 per 100||1 per 100||1 per 100||1 per 400|
|High Hazard||1 per 100||1 per 100||1 per 100||1 per 1,000|
|INSTITUTIONAL||Residential care||1 per 100||1 per 10||1 per 10||1 per 8|
|Hospitals, ambulatory nursing
|1 per room||1 per roome||1 per 15||1 per 100|
|Day nurseriesk, sanitariums,
nonambulatory nursing home patients, etc.c
|1 per 15||1 per 15||1 per 15||1 per 15r||1 per 100|
|Employees, other than residential carec||1 per 25||1 per 25||1 per 35||1 per 100|
|Visitors, other than residential care||1 per 75||1 per 75||1 per 100||1 per 500|
|Prisonsc||1 per cell||1 per cell||1 per 15||1 per 100|
|Asylums, reformatories, etc.c||1 per 15||1 per 15||1 per 15||1 per 15||1 per 100|
|Mercantilel||1 per 500||1 per 500||1 per 750|
|RESIDENTIAL||Hotels, motels||1 per guestroom||1 per guestroom||1 per guestroom|
|Lodges||1 per 10||1 per 10||1 per 10||1 per 8|
|Multiple family||1 per dwelling unit||1 per dwelling
|1 per dwelling
|Dormitories||1 per 10||1 per 10||1 per 10||1 per 8||1 per 100|
|One and two-family dwellinga||1 per dwelling unit||1 per dwelling
|1 per dwelling
- 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 codethe building code.
- Fixtures located in adjacent buildings under the ownership or control of the church shall be made available during periods the church is occupied.
- Toilet facilities for employees shall be separate from facilities forof inmates or care recipientspatients.
- For attached one- and two-family dwellings, one automatic clothes washer connection shall be required per 20 dwelling units.
- A single-occupant toilet room with one water closet and one lavatory serving not more than two adjacent patient sleeping unitsrooms shall be permitted, provided that each patient sleeping unit has direct access to the toilet room and provisions for privacy for the toilet room user are provided. where such room is provided with direct access from each patient room and with provisions for privacy.
- The occupant load for seasonal outdoor seating and entertainment areas shall be included when determining the minimum number of facilities required.
- For business and mercantile classifications with an occupant load of 15 or fewer, a service sink shall not be required.
- The required number and type of plumbing fixtures for outdoor swimming pools shall be in accordance with Section 609 of the International Swimming Pool and Spa Code.
- For day nurseries, a maximum of one bathtub shall be required.
- Food service establishments or any establishment that sells alcoholic beverages for on-site consumption requires at least one urinal.
- Contact the Department of Public Health and Human Services for additional requirements for food service establishments.
- At the discretion of the building official, certain nonassembly buildings where food and beverages are not consumed on the premises, may be allowed to furnish only one public toilet provided it is designed for male and female use and it is suitable for use by handicapped persons.
- At the discretion of the building official, for small (less than 1200 sq. ft. in floor area) convenience stores (typically gasoline sales plus convenience items and beverages) located to serve primarily neighborhood areas instead of major highways, only one public toilet is needed, provided it is designated for both male and female use and it is suitable for use by handicapped persons.
- If the total number of students plus staff exceeds 20, must provide separate male and female toilets.
- Keyed toilets under employee control of the type available at service stations are permitted.
- Where urinals are provided, notwithstanding the required urinal in footnote g. above, one water closet less than the number specified may be provided for each urinal installed, except the number of water closets in such cases shall not be reduced to less than one-half of the minimum specified.
- When calculating number of male and female occupants, the occupant load of the building shall be considered half male and half female, and the occupant load shall be calculated in accordance with the building code.
- Riding arenas as defined in ARM 24.301.146(11) are required to provide separate male and female accessible restrooms which contain a minimum of one water closet and one lavatory.
- See ARM 24.301.903 for additional requirements and provisions concerning building accessibility.
- If a specific occupancy is not shown in the table, the building official shall determine on an individual case-by-case basis the requirements for that occupancy.
- On an individual case-by-case basis the building official may approve an alternative source of potable drinking water, such as, but not limited to, a bottled water cooler, in lieu of a drinking fountain.
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.
Where plumbing fixtures are required, separate facilities shall be provided for each sex.
- Separate facilities shall not be required for dwelling units and sleeping units.
- Separate facilities shall not be required in structures or tenant spaces with a total occupant load, including both employees and customers, of 15 or fewer.
- Separate facilities shall not be required in mercantile occupancies in which the maximum occupant load is 100 or fewer.
- Separate facilities shall not be required in business occupancies in which the maximum occupant load is 25 or fewer.
For structures and tenant spaces intended for public utilization, customers, patrons and visitors shall be provided with public toilet facilities. Employees associated with structures and tenant spaces shall be provided with toilet facilities. The number of plumbing fixtures located within the required toilet facilities shall be provided in accordance with Section 2902 for all users. Employee toilet facilities shall be either separate or combined employee and public toilet facilities.
Exception: Public toilet facilities shall not be required for:
- Parking garages where operated without parking attendants.
- Structures and tenant spaces intended for quick transactions, including takeout, pickup and drop-off, having a public access area less than or equal to 300 square feet (28 m2).
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 distances of travel to required employee facilities in factory and industrial occupancies are permitted to exceed that required by this section, provided that the location and maximum distance of travel are approved.