422.0 Minimum Number of Required Fixtures.422.1 Fixture Count.

Plumbing fixtures shall be provided for the type of building occupancy and in the minimum number shown in Table 422.1 [OSHPD 1, 1R, 2, 3, 4 & 5] and Tables 4-2 and Table 4-3 . The total occupant load and occupancy classification shall be determined in accordance with the California Building Code [BSC, DSA-SS & DSA- SS/CC] or Occupant Load Factor Table A. Occupancy classification not shown in Table 422.1 shall be considered separately by the Authority Having Jurisdiction.

The minimum number of fixtures shall be calculated at 50 percent male and 50 percent female based on the total occupant load. Where information submitted indicates a difference in the distribution of the sexes such information shall be used to determine the number of fixtures for each sex. Once the occupancy load and occupancy are determined, Table 422.1 shall be applied to determine the minimum number of plumbing fixtures required. Where applying the fixture ratios in Table 422.1 results in fractional numbers, such numbers shall be rounded to the next whole number. For multiple occupancies, fractional numbers shall be first summed and then rounded to the next whole number.

(3) In business and mercantile occupancies with a total occu pant load of 50 or less including customers and employees, one toilet facility, designed for use by no more than one person at a time, shall be permitted for use by both sexes. 422.2.1 Single Use Toilet Facilities. Single use toilet facilities and family or assisted use toilet facilities shall be identified with signage indicating use by either sex. 422.2.2 Family or Assisted-Use Toilet Facilities. Where a separate toilet facility is required for each sex, and each toilet facility is required to have only one water closet, two family or assisted-use toilet facilities shall be permitted in place of the required separate toilet facilities.