IRC 2021 · Model
Chapter 30: Sanitary Drainage
16 sections in this chapter of the IRC 2021 model text — not Model's amended edition.
3003.1.1 Threaded joints, general Pipe and fitting threads shall be tapered.
- 3003.1.1Threaded joints, general
- 3005.3Horizontal drainage piping slope
- P3001.1Scope
- P3001.3Flood-resistant installation
- P3002.1Piping within buildings
- P3002.3Fittings
- P3003.1Tightness
- P3004.1DWV system load
- P3005.1Drainage fittings and connections
- P3005.2Cleanouts required
- P3005.2.6Cleanout plugs
- P3005.4Drain pipe sizing
- P3005.4.2Building drain and sewer size and slope
- P3006.1Vertical offsets
- P3006.2Horizontal offsets above the lowest branch
- P3007.1Building subdrains
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