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, 2, 3, 4 & 5] and Table 4-2 and Table 4-3 . The total occupant load and occupancy classification shall be determined in accordance with the Cal- ifornia Building Code . Occupancy classification not shown in Table 422.1 shall be considered separately by the Authority Having Jurisdiction. Exception: [BSC, DSA-SS & DSA-SS/CC] Using occu- pancy classification, described as function of space, deter- mine occupant load factor from Table 4-1 Occupant Load Factor, of this chapter.

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.

2022 CALIFORNIA PLUMBING CODE 67

PLUMBING FIXTURES AND FIXTURE FITTINGS

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.

422.1.1 Family or Assisted-Use Toilet and Bathing Facilities. Where family or assisted-use toilet and bathing rooms are required, in applicable building regulations, the facilities shall be installed in accordance with those regulations. 422.1.2 [DSA-AC] Effective January 1, 1990, in new construction and those existing facilities which occu- pancy type are listed in Tables 422.1 and 4-4 for public use, which apply for permit to undertake construction, structural alterations, repairs or improvement which exceed 50 percent of the square footage of the entire facility, shall install water closets, urinals, lavatories and drinking fountains as stipulated in Tables 422.1 and 4-4 for public use. Community and/or municipal parks with a bleacher capacity not exceeding 500 seats shall be exempt from the requirements of this section and Tables 422.1 and 4-4. Each bathroom shall comply with Part 2, Chapter 11A and 11B of the California Building Code. 422.1.3 [OSHPD 1, 2, 3, 4 & 5] OSHPD facilities shall also comply with requirements of the California Building Code, Chapters 1224,1225, 1226, 1227 and 1228 in addition to total occupant load and occupancy classifi- cation for determination of minimum number of fixtures.