Fixtures & Water HeatersQuestion 205 of 360
The minimum number of plumbing fixtures required for a building is determined primarily by:
a.the color of the fixtures
b.the water heater capacity
c.the length of the water service
d.the building's occupancy classification and occupant load
Explanation
The minimum required plumbing fixtures are set by the occupancy type and the number of occupants, typically from a code table. This determines required water closets, lavatories, and other fixtures for each sex. Undersizing fixture counts is a common plan-check rejection.
Law Reference: 2022 California Plumbing Code (CPC) §422.1Practice all 360 questions free — no signup required.
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