A toilet is installed in a bathroom that has a floor drain. What is the minimum slope required for the waste pipe from the toilet to the drain?
- 1/4 inch per foot
- B1/8 inch per foot
- C1/2 inch per foot
- D3/8 inch per foot
Exam tip
Always check the slope requirements for different fixtures and waste pipes to ensure compliance with the code.
Why A is correct
The minimum slope required for the waste pipe from a toilet to a floor drain is 1/4 inch per foot, as per Section P276.1 of the 2024 International Residential Code. This slope ensures proper drainage and prevents clogs.