A hotel is planning to install a new kitchen sink. Which of the following is a requirement for the installation of the sink's drain pipe?
- AThe drain pipe must be sloped at a minimum of 1/4 inch per foot.
- BThe drain pipe must be installed at least 6 inches from the nearest wall.
- The drain pipe must be equipped with a P-trap.
- DThe drain pipe must be made of Schedule 40 PVC.
Exam tip
Remember the importance of a P-trap in preventing the backflow of sewage into the building.
Why C is correct
The correct answer is that the drain pipe must be equipped with a P-trap (IBC Section 404.1). The other options do not address the specific requirement for the installation of a P-trap in the drain pipe.