According to the California Plumbing Code, what is the maximum horizontal distance allowed between a fixture and its trap when connecting a floor drain in a commercial building with seismic requirements?
Correct Answer
B) The horizontal distance plus the vertical distance cannot exceed 24 inches
California Plumbing Code Section 1003.3, as amended for seismic conditions, requires that the total developed length (horizontal plus vertical distance) between a fixture outlet and trap seal cannot exceed 24 inches. This California-specific amendment addresses seismic movement concerns and prevents trap seal loss during earthquakes.
Why This Is the Correct Answer
California Plumbing Code Section 1003.3, as amended for seismic conditions, requires that the total developed length (horizontal plus vertical distance) between a fixture outlet and trap seal cannot exceed 24 inches. This California-specific amendment addresses seismic movement concerns and prevents trap seal loss during earthquakes.
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