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• IBC 310.1

  Residential Group R

  • Group R: sleeping use not classed as Group I or built under the IRC; Group R not built under the IRC per 310.4.1 and 310.4.2 follows Section 420.

  Works withIBC 420IRC

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• IBC 310.2

  Residential Group R-1

  • R-1: sleeping units or more than two dwelling units with mainly transient occupants, such as hotels, motels, transient boarding houses and congregate living over 10 occupants, and lodging houses with more than five guestrooms.

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 310.3

  Residential Group R-2

  • R-2: sleeping units or more than two dwelling units with mainly permanent occupants, such as apartments, dorms, convents, fraternities, live/work units, timeshares, nontransient congregate living over 16 and nontransient hotels over five guestrooms.

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 310.4

  Residential Group R-3

  • R-3: permanent occupancy not R-1, R-2, R-4 or I, such as buildings with no more than two dwelling units, care for five or fewer, nontransient congregate living up to 16, transient up to 10, and lodging houses or small hotels with five or fewer guestrooms.

  Works withIRC R101.2

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• IBC 310.5

  Residential Group R-4

  • R-4: 6 to 16 residents (not counting staff) living 24 hours with custodial care, such as assisted living, group homes and halfway houses; Condition 1 or 2, built like R-3 unless stated otherwise.

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 3101.1

  Scope

  • General scope for Section 3101.

  Works withIBC 3102

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3102.1

  General

  • Membrane structures up for 180 days or more follow 3102; shorter ones follow the IFC; those on buildings follow 3102 regardless.

  Works withIBC 3102.8IBC 3102.3.1IBC 3102.7IFC

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• IBC 3102.2

  Tensile membrane structures and air-supported structures

  • Tensile membrane and air-supported structures are designed per ASCE 55.

  Works withIBC 3102.3IBC 3102.6

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• IBC 3102.3

  Type of construction

  • Noncombustible membrane structures are Type IIB; heavy timber frames IV-HT; others Type V.

  Works withIBC 602IBC 3102.3.1

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• IBC 3102.4

  Allowable floor areas

  • Membrane structure area limited per 506.

  Works withIBC 506.2IBC 506

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• IBC 3102.5

  Maximum height

  • Membrane structures are one story and within 504.3 height limits (noncombustible roof-only membranes excepted).

  Works withIBC 504.3

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• IBC 3102.6

  Mixed construction

  • Requirements for mixed construction.

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• IBC 3102.7

  Engineering design

  • Requirements for engineering design; see linked sections.

  Works withIBC Chapter 16

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• IBC 3102.8

  Inflation systems

  • Requirements for inflation systems; see linked sections.

  Works withIBC 3102.8.1IBC 3102.8.3

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• IBC 3103.1

  General

  • Temporary structures are those up less than 180 days; tents and special event structures also follow the IFC. Public-occupancy ones may get up to 1 year with approval.

  Works withIBC 3103.8IBC 3103.1.1IBC 3103.6IFC

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• IBC 3103.2

  Construction documents

  • Requirements for construction documents.

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• IBC 3103.3

  Location

  • Temporary structures are located per Table 705.5 fire separation rules.

  Works withIBC 705.5IBC Table 705.5

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• IBC 3103.4

  Means of egress

  • Temporary structures follow Chapter 10 egress with travel distance of 100 ft or less.

  Works withIBC 1017.2IBC Chapter 10

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• IBC 3103.5

  Bleachers

  • Temporary bleachers and grandstands follow ICC 300.

  Works withIBC 1029.1

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• IBC 3103.6

  Structural requirements

  • Requirements for structural requirements; see linked sections.

  Works withIBC 3103.6.1IBC 3103.6.4IBC 1004.5IBC 1004.6IBC Table 1607.1

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• IBC 3103.7

  Serviceability

  • Requirements for serviceability.

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• IBC 3103.8

  Controlled occupancy procedures

  • Controlled occupancy plans monitor snow, ice and wind and set evacuation triggers, per ANSI E1.21.

  Works withIBC 3103.6.1IBC 3104

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3104.1

  General

  • Pedestrian walkways and tunnels between buildings don't add to building area, stories or height.

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• IBC 3104.2

  Separate structures

  • Buildings linked by walkways or tunnels are separate structures.

  Works withIBC 503.1.2IBC Chapter 11

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• IBC 3104.3

  Construction

  • Pedestrian walkways are noncombustible unless the connected buildings are combustible.

  Works withIBC 603.1

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• IBC 3104.4

  Contents

  • Requirements for contents.

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• IBC 3104.5

  Connections of pedestrian walkways to buildings

  • Requirements for connections of pedestrian walkways to buildings; see linked sections.

  Works withIBC 3104.5.1IBC 3104.5.2IBC 3104.5.3IBC 3104.5.4IBC 503.1.2

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• IBC 3104.6

  Public way

  • Requirements for public way; see linked sections.

  Works withIBC Chapter 32

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• IBC 3104.7

  Egress

  • Requirements for egress.

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3104.8

  Width

  • Walkways at least 36 in clear, total width 30 ft max.

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• IBC 3104.9

  Exit access travel

  • Walkway travel distance 200 ft (250 sprinklered, 300 open-sided, 400 both).

  Works withIBC 903.3.1.1

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3105.1

  General

  • General scope for Section 3105.

  Works withIBC 3105.2IBC 3105.3

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• IBC 3105.2

  Design and construction

  • Awnings and canopies resist Chapter 16 loads; awning frames are noncombustible, FRT, heavy timber or 1-hour.

  Works withIBC Chapter 16IBC 2304.11

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• IBC 3105.3

  Awnings and canopy materials

  • Awning and canopy coverings pass NFPA 701, have flame spread 25 or less, or pass NFPA 286 (not required on one- and two-family dwellings).

  Works withIBC 3106

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3106.1

  General

  • General scope for Section 3106.

  Works withIBC 3106.2IBC 3106.5

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3106.2

  Thickness

  • Marquees max 3 ft thick if projecting over two-thirds to the curb, otherwise 9 ft.

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3106.3

  Roof construction

  • Requirements for roof construction; see linked sections.

  Works withIBC Chapter 24

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• IBC 3106.4

  Location prohibited

  • Requirements for location prohibited.

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3106.5

  Construction

  • Marquees are noncombustible and supported entirely by the building.

  Works withIBC 3107IBC Chapter 16

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3107.1

  General

  • General scope for Section 3107.

  Works withIBC 3108

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• IBC 3108.1

  General

  • Towers follow TIA 222 including seismic; single poles up to 75 ft may be combustible.

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3108.2

  Location and access

  • Requirements for location and access; see linked sections.

  Works withIBC 3109

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3109.1

  General

  • Pools, spas and hot tubs follow the ISPSC.

  Works withIBC 3110

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 310.4.1

  Care facilities within a dwelling

  • Care for five or fewer in a single-family home may follow the IRC if sprinklered per 903.3.1.3 or IRC P2904.

  Works withIBC 903.3.1.3IRC P2904

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 310.4.2

  Lodging houses

  • Owner-occupied lodging houses with five or fewer guestrooms may use the IBC or the IRC; under the IRC they need sprinklers per IRC P2904.

  Works withIRC P2904

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• IBC 310.5.1

  Condition 1

  • Condition 1: every resident can evacuate without help.

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 310.5.2

  Condition 2

  • Condition 2: some residents need limited verbal or physical help to evacuate.

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 3104.10

  Tunneled walkway

  • Tunnels are separated from buildings by 2-hour construction.

  Works withIBC 716IBC 3105

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3102.3.1

  Membrane and interior liner material

  • Membranes and liners are noncombustible or pass NFPA 701 (thin greenhouse plastic excepted).

  Works withIBC 703.3

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• IBC 3102.6.1

  Noncombustible membrane

  • Noncombustible membranes may roof any building or atrium if at least 20 ft above floors.

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3102.7.1

  Lateral restraint

  • Requirements for lateral restraint.

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3102.8.1

  Equipment requirements

  • Requirements for equipment requirements.

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• IBC 3102.8.2

  Standby power

  • Auxiliary inflation has standby power that starts within 60 seconds and runs 4 hours.

  Works withIBC 2702.2.15

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• IBC 3102.8.3

  Support provisions

  • Air-supported structures with 50+ occupants or over pools have a deflation support system holding the membrane 7 ft up (20 ft over Type I roofs).

  Works withIBC 3103

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3103.1.1

  Extended period of service time

  • Public-occupancy temporary structures may stay up to 1 year with added inspections every 180 days, an engineer's review and no change of use.

  Works withIBC 108.1IBC 3103.6

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3103.1.2

  Conformance

  • Requirements for conformance.

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• IBC 3103.1.3

  Permit required

  • A permit is needed for temporary structures over 120 sq ft used to gather 10 or more people.

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3103.6.1

  Structural loads

  • Requirements for structural loads; see linked sections.

  Works withIBC 3103.6.1.1IBC 3103.6.1.6IBC Chapter 16

  International Building Code, 2024 · Chapter 31, Special ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 3103.6.2

  Foundations

  • Temporary foundations on pavement, sand or grass assume 1,000 psf bearing unless tested.

  Works withIBC 1806.2IBC Table 1806.2

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• IBC 3103.6.3

  Installation and maintenance inspections

  • Requirements for installation and maintenance inspections.

  International Building Code, 2024 · Chapter 31, Special ConstructionRead 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.