P-403.1 Minimum number of fixtures. Plumbing fixtures shall be provided in the minimum number as shown in Table 403.1, based on the actual use of the building or space. Uses not shown in Table 403.1 shall be considered individually by the code official. The number of occupants shall be determined by the International Building Code.
P-403.1.1 Fixture calculations. To determine the occupant load of each sex gender, 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 gender 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.
Exception Exceptions:
1. The total occupant load shall not be required to be divided in half where approved statistical data indicates a distribution of the sexes gender of other than 50 percent of each sex a gender.
2. Where multiple-user facilities are designed to serve all genders, the minimum fixture count shall be calculated 100 percent, based on total occupant load. In such multiple-user facilities, each fixture type shall be in accordance with ICC A117.1.
3. Distribution of genders is not required where single-user water closets and bathing room fixtures are provided in accordance with Section 403.1.2.
P-403.1.2 Single-user toilet facility and bathing room fixtures. The plumbing fixtures located in single-user toilet facilities and bathing rooms, including family or assisted-use toilet and bathing rooms that are required by Section 1109.2.1 of the International Building Code, shall contribute toward the total number of required plumbing fixtures for a building or tenant space. Single-user toilet facilities and bathing rooms, and family or assisted-use toilet rooms and bathing rooms shall be identified as being available for use by either sex all persons regardless of gender. The total number of fixtures shall be permitted to be based on the required number of separate facilities or based on the aggregate of any combination of single-user or separate facilities.
Exceptions:
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5. Separate facilities shall not be required to be designated by gender where single-user toilet rooms are provided in accordance with Section 403.1.2.
6. For occupancy classifications requiring the same number of water closets and lavatories for male and female under Table 403.1, separate facilities shall not be required where rooms having both water closets and lavatory fixtures are designed for use by all genders and privacy for water closets is provided in accordance with Section 405.3.4. Urinals shall not be permitted in facilities designed for use by all genders.
P-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 gender 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 gender as required by Section 403.4.
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Notes
| 313.2 | Amended,
Bill No. 230653 (approved December 20, 2023), effective April 1, 2024. |