P2913.3.1.2
Design
- Nonpotable distribution is designed and sized per P2903.
International Residential Code, 2024 · Chapter 29, Water Supply and DistributionRead the full text (opens UpCodes in a new tab)
Search the building code.
Every 2024 IRC section and the IBC as it loads, by number or topic, plus the local rules for your city. Free to search.
Detached houses, duplexes and townhouses up to 3 stories with their own exits use the IRC; every other building uses the IBC (IBC 101.2).
A random sample from 729 sections for San Antonio, TX, the 2024 IRC
Show another sampleP2912.7.4
Marking
- Collection piping needs no marking beyond normal DWV marking.
International Residential Code, 2024 · Chapter 29, Water Supply and DistributionRead the full text (opens UpCodes in a new tab)
P2912.2
Collection Surface
- Rain is collected only from approved impervious roofs; paved surfaces only for irrigation; no equipment overflows onto the collection roof.
International Residential Code, 2024 · Chapter 29, Water Supply and DistributionRead the full text (opens UpCodes in a new tab)
P3003
Joints and Connections
International Residential Code, 2024 · Chapter 30, Sanitary DrainageRead the full text (opens UpCodes in a new tab)
P2907
Changes in Direction
International Residential Code, 2024 · Chapter 29, Water Supply and DistributionRead the full text (opens UpCodes in a new tab)
P2911
On-Site Nonpotable Water Reuse Systems
International Residential Code, 2024 · Chapter 29, Water Supply and DistributionRead the full text (opens UpCodes in a new tab)
P2912.10.3
Outlets
- Tank outlets sit at least 4 in above the bottom and don't skim the surface.
International Residential Code, 2024 · Chapter 29, Water Supply and DistributionRead the full text (opens UpCodes in a new tab)
P2603
Structural and Piping Protection
International Residential Code, 2024 · Chapter 26, General Plumbing RequirementsRead the full text (opens UpCodes in a new tab)
Searches all 4,276 IRC 2024 sections, 5,532 IBC 2024 sections and defined terms (Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 so far) and each city's local rules as they are added. Section numbers and titles from the International Residential Code and International Building Code, 2024 editions, copyrighted by the International Code Council; the IRC's electrical chapters (34 to 43) follow NFPA 70, the National Electrical Code. Requirements are summarized in our words (IRC Chapters 3 to 43, IBC Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33); read the full text at the link on each result. Local values come from each city's published documents.
Check your plans against these codes
Start an application and get every flag with its section and fix.