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• M1503.3

  Exhaust Discharge

  • Kitchen exhaust ducts outdoors through a smooth, airtight, dedicated duct with a backdraft damper, never into an attic, crawl space or indoors; listed ductless hoods are allowed where other ventilation exists.

  International Residential Code, 2024 · Chapter 15, Exhaust SystemsRead the full text (opens UpCodes in a new tab)

• IBC 104.2.3.7

  Peer review

  • The official may require a peer review report from an approved reviewer.

  International Building Code, 2024 · Chapter 1, Scope and AdministrationRead the full text (opens UpCodes in a new tab)

• R606.12.2.3.2

  Connections to Masonry Columns

  International Residential Code, 2024 · Chapter 6, Wall ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 722.4.1.4

  Nonsymmetrical assemblies

  • Calculate both sides, take the lower.

  International Building Code, 2024 · Chapter 7, Fire and Smoke Protection FeaturesRead the full text (opens UpCodes in a new tab)

• IBC 412.7.1

  Size

  • Landing areas for helicopters under 3,500 lb are at least 20 × 20 ft with a clear border averaging 15 ft (5 ft minimum).

  International Building Code, 2024 · Chapter 4, Special Detailed Requirements Based on Occupancy and UseRead the full text (opens UpCodes in a new tab)

• R603.6.1

  Headers in Gable Endwalls

  International Residential Code, 2024 · Chapter 6, Wall ConstructionRead the full text (opens UpCodes in a new tab)

• E3611

  Grounding Electrode Conductor Connection to the Grounding Electrodes

  International Residential Code, 2024 · Chapter 36, ServicesRead the full text (opens UpCodes in a new tab)

• R305.1.1

  Quality Mark

  International Residential Code, 2024 · Chapter 3, Building PlanningRead 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.