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• IBC 3104.1

  General

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

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

• IBC 3104.2

  Separate structures

  • Buildings linked by walkways or tunnels are separate structures.

  Works withIBC 503.1.2IBC Chapter 11

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

• 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

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

• IBC 3104.6

  Public way

  • Requirements for public way; see linked sections.

  Works withIBC Chapter 32

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

• 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 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 3104.1.1

  Application

  • Requirements for application; see linked sections.

  Works withIBC 3104.2IBC 3104.9IBC 3104.10

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

• IBC 3104.5.1

  Fire barriers

  • Walkways are separated from buildings by 2-hour fire barriers, with 2-hour walls extending 10 ft around and ¾-hour opening protectives.

  Works withIBC 707IBC 3104.5.1.1IBC 3104.5.1.3

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• IBC 3104.5.2

  Alternative separation

  • Requirements for alternative separation; see linked sections.

  Works withIBC 3104.5.2.1IBC 3104.5.2.2IBC 903.3.1.1

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

• IBC 3104.5.3

  Open sides on walkway

  • Walkways with both sides 50% open between buildings over 10 ft apart need no rated walls, up to 40 ft high and the third story (55 ft and fifth story sprinklered).

  Works withIBC 903.3.1.1

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

• IBC 3104.5.4

  Exterior walls greater than 2 hours

  • Requirements for exterior walls greater than 2 hours; see linked sections.

  Works withIBC 705IBC 903.3.1.1

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• IBC 3104.5.1.1

  Exterior walls

  • Requirements for exterior walls.

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

• IBC 3104.5.1.2

  Openings in exterior walls of connected buildings

  • Requirements for openings in exterior walls of connected buildings; see linked sections.

  Works withIBC 3104.5.1.1IBC 716

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

• IBC 3104.5.1.3

  Supporting construction

  • Requirements for supporting construction; see linked sections.

  Works withIBC 707.5.1

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

• IBC 3104.5.2.1

  Passage of smoke

  • Requirements for passage of smoke.

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

• IBC 3104.5.2.2

  Glass

  • Requirements for glass; see linked sections.

  Works withIBC 903.3.1.1

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

• IBC 402.4.2.3

  Parking garages

  • Attached car garages and open garages separated by 2-hour barriers count as separate buildings; connecting walkways follow 3104.

  Works withIBC 707IBC 711IBC 705.5IBC 3104

  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.