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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).

16 sections matching “IBC 428” for San Antonio, TX, the 2024 IBC

  • IBC 428.2

    Application

    • Section 428 modifies the rest of the code; IFC Chapters 38 and 50–67 still apply.

    Works withIFC

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

  • IBC 428.3

    Laboratory suite construction

    • Lab suite counts and MAQ percentages per Table 428.3: floors 1–2 100% and 6 suites, 3 100%/4, 4–6 75%/4, 7–10 50%/2, 11–15 50%/1, 16–20 25%/1, above 20 not allowed.

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

  • IBC 428.4

    Percentage of maximum allowable quantity in each laboratory suite

    • Each suite's MAQ percentage follows Table 428.3.

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

  • IBC 428.3.2

    Separation from other laboratory suites

    • Lab suites are separated from each other per Table 428.3.

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

  • IBC 428.3.3

    Floor assembly fire resistance

    • Lab suite floors are 2-hour, or 1-hour in IIA, IIIA and VA up to three stories.

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

  • IBC 428.3.4

    Maximum number

    • Lab suites plus control areas may not exceed the Table 428.3 suite count.

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

  • IBC 202

    Laboratory suite

    • A fire-rated enclosed lab area in a Group B educational occupancy, with contiguous offices, bathrooms and corridors, built per Section 428.

    Works withIBC 428

    International Building Code, 2024 · Chapter 2, DefinitionsRead the full text (opens UpCodes in a new tab)

  • IBC 414.2

    Control areas

    • Control areas follow 414.2.1 to 414.2.5 and the IFC; higher education labs follow 428.

    Works withIBC 428

    International Building Code, 2024 · Chapter 4, Special Detailed Requirements Based on Occupancy and UseRead 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.

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