2021 International Building Code — chapter index (Ava adopted)

Ava adopted IBC 2021. Use this index to find the chapter, then open the official book. Do not treat this index as the code text. Ch. 1 Scope and Administration — permits, inspections, occupancy, violations Ch. 2 Definitions Ch. 3 Occupancy Classification and Use (A assembly, B business, E education, F factory, H high-hazard, I institutional, M mercantile, R residential, S storage, U utility) Ch. 4 Special detailed requirements based on occupancy and use Ch. 5 General building heights and areas Ch. 6 Types of construction (I–V, A/B) Ch. 7 Fire and smoke protection features Ch. 8 Interior finishes Ch. 9 Fire protection and life safety systems (sprinklers, alarms) Ch. 10 Means of egress (exits, stairs, occupant load) Ch. 11 Accessibility Ch. 12 Interior environment Ch. 13 Energy efficiency (see also IECC) Ch. 14 Exterior walls Ch. 15 Roof assemblies Ch. 16 Structural design — Ava flood insert 1612.3 date August 4, 1988 Ch. 17 Special inspections and tests Ch. 18 Soils and foundations Ch. 19 Concrete Ch. 20 Aluminum Ch. 21 Masonry Ch. 22 Steel Ch. 23 Wood Ch. 24 Glass and glazing Ch. 25 Gypsum Ch. 26 Plastic Ch. 27 Electrical (see NEC 2020 for wiring rules; Ava minimum #12 AWG) Ch. 28 Mechanical Ch. 29 Plumbing Ch. 30 Elevators Ch. 31 Special construction Ch. 32 Encroachments into the public right-of-way Ch. 33 Safeguards during construction Ch. 35 Referenced standards Existing buildings: use IEBC 2021 (Sec. 18-60), not old IBC Ch. 34.