NFPA 220:2024

Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Application. (Reserved)
1.4 Retroactivity.
1.5 Equivalency.
1.6 Units.
Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications.
2.3 Other Publications.
2.4 References for Extracts in Mandatory Sections.
Chapter 3 Definitions
3.1 General.
3.2 NFPA Official Definitions.
3.3 General Definitions.
Chapter 4 Types of Construction
4.1 General.
4.2 Reserved.
4.3 Type I (442 or 332) and Type II (222, 111, or 000) Construction.
4.4 Type III (211 or 200) Construction.
4.5 Type IV (2HH) Construction.
4.6 Type V (111 or 000) Construction.
Chapter 5 Fire Resistance Rating Requirements for Structural Elements
5.1 Fire Resistance Rating Requirements.
Annex A Explanatory Material
Annex B Informational References

This standard defines types of building construc‐ tion based on the combustibility and the fire resistance rating of a building's structural elements