Sanitary Drainage Systems Flashcards
6 cards from real IPC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Sanitary Drainage Systems flashcards as text
According to the IPC, what is the minimum size for a building sewer serving a building with 150 DFU?
Answer: 4 inches
A 4-inch building sewer at 1/8 inch per foot slope can handle up to approximately 180 DFU under the IPC building sewer sizing table.
What does the IPC specify regarding the use of solvent cement joints on underground drainage piping?
Answer: They are permitted for ABS and PVC drainage pipe
The IPC permits solvent cement joints for ABS and PVC drainage piping in both above-ground and underground installations when properly made with approved cement and primer.
Under the IPC, what protection is required where drainage piping passes under a building foundation?
Answer: A sleeve or casing two pipe sizes larger must be used
The IPC requires that drainage piping passing under or through building foundations be protected with a sleeve or casing to allow movement and prevent damage from structural loads.
According to the IPC, what is the minimum diameter for a drainage stack serving water closets?
Answer: 3 inches
The IPC requires that any drainage stack receiving discharge from water closets be a minimum of 3 inches in diameter.
What does the IPC require regarding the grade of underground horizontal drainage piping?
Answer: A uniform grade throughout the entire run
The IPC requires a uniform grade throughout the entire run of underground horizontal drainage piping to maintain consistent flow velocity.
Under the IPC, when is an oil separator required on a drainage system?
Answer: When flammable liquids or oils may be discharged into the system
The IPC requires oil and flammable liquid interceptors when there is a possibility that such substances will be discharged into the drainage system.