A fuel gas piping system is being installed in a residential building. Which of the following is a requirement for the installation of fuel gas piping in accordance with the 2024 International Residential Code?
- APiping must be installed at least 18 inches above the finished floor.
- BPiping must be installed in a concealed location if it is not accessible for inspection.
- Piping must be installed with a slope of at least 1/4 inch per foot to facilitate drainage.
- DPiping must be installed with a minimum wall thickness of 0.062 inches.
Exam tip
Always check the specific code section for the correct requirements when dealing with fuel gas piping.
Why C is correct
The correct answer is that piping must be installed with a slope of at least 1/4 inch per foot to facilitate drainage. This is in accordance with Section M1503.3.1 of the 2024 IRC. Options A, B, and D are incorrect as they do not reflect the correct code requirements.