Administrative Rules of Montana › Department 24 - LABOR AND INDUSTRY › Chapter 24.301 - BUILDING CODES › Subchapter 24.301.3 - Plumbing Requirements › Rule 24.301.351 - MINIMUM REQUIRED PLUMBING FIXTURES

Current through Register Vol. 13, July 5, 2024
(1) The following table will be used to
				determine the minimum number of plumbing fixtures to be installed in new
				buildings:
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 the building code.
b. Fixtures located in adjacent buildings
				under the ownership or control of the church shall be made available during
				periods the church is occupied.
c.
				Toilet facilities for employees shall be separate from facilities of inmates or
				patients.
d. A single-occupant
				toilet room with one water closet and one lavatory serving not more than two
				adjacent patient rooms shall be permitted where such room is provided with
				direct access from each patient room and with provisions for privacy.
e. For day nurseries, a maximum of one
				bathtub shall be required.
f. Food
				service establishments or any establishment that sells alcoholic beverages for
				on-site consumption requires at least one urinal.
g. Single-user unisex facilities shall
				include a urinal in food service establishments or any establishment that sells
				alcoholic beverages for on-site consumption.
h. Contact the Department of Public Health
				and Human Services for additional requirements for food service
				establishments.
i. 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 unisex public toilet if it is accessible in accordance with ICC
				A117.1.
j. At the discretion of the
				building official, business and mercantile classifications intended for quick
				transactions, including takeout, pickup, and drop off businesses having a floor
				area less than 1200 sq. ft., may utilize facilities located in another building
				within 500 feet provided the building is open and available during business
				hours and is accessible in accordance with ICC A117.1.
k. For business and mercantile
				classifications with an occupant load of 15 or fewer, a service sink shall not
				be required.
l. Keyed toilets under
				employee control of the type available at service stations are
				permitted.
m. 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.
n. Where single-user unisex facilities are
				present, the aggregate fixture count shall be equal to the required number of
				separate facilities. Where single-user unisex toilet rooms or bathing rooms are
				clustered at a single location, at least 50 percent but not less than one room
				for each user at each cluster shall be accessible.
o. 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.
p. See ARM 24.301.903 for
				additional requirements and provisions concerning building
				accessibility.
q. 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.
r. 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.