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§ Chapter 30 IRC 2024

Sanitary Drainage

8 entries from Chapter 30 of IRC 2024, organized by section number. Each entry covers what the code requires, why it exists, what inspectors look for, and common mistakes.

§ 01   Sections

All 8 entries.

Sorted by section number. Click any row for the full entry — answer, requirements, edition diff, related sections.

IRC 2024 Building Drain to Sewer: Materials, Slope, and Inspection Requirements
P3002
What does IRC 2024 require for connecting the building drain to the public sewer or septic system?
IRC 2024 Drain Pipe Materials: PVC vs ABS and When Each Is Allowed
P3002.1
What drain pipe materials does IRC 2024 allow, and when should you use PVC versus ABS?
IRC 2024 Grease Interceptors: When Residential Kitchens Need Grease Traps
P3003
Does IRC 2024 require a grease trap or grease interceptor for a single-family home?
IRC 2024 Drain Pipe Sizing: Fixture Unit Method for Sanitary Drainage
P3004
How do you size drain pipes for a residential sanitary drainage system under IRC 2024?
IRC 2024 Cleanouts: Location, Spacing, and Access Requirements
P3005.2
Where are cleanouts required under IRC 2024, and how must they be accessible?
IRC 2024 Drain Pipe Slope: 1/4 Inch Per Foot for Horizontal Drainage
P3005.3
What slope is required for horizontal drain pipes under IRC 2024?
IRC 2024 Trap Arm Length: Maximum Distance from Trap to Vent
P3105
How far can a trap arm extend between the fixture trap and the vent under IRC 2024?
IRC 2024 Wet Venting: When One Pipe Can Serve as Both Drain and Vent
P3108
When can a single pipe function as both a drain and a vent under IRC 2024?