NFPA 90A : 2021

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Retroactivity. 1.5 Equivalency. 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 HVAC Systems 4.1 General Requirements for Equipment. 4.2 System Components. 4.3 Air Distribution. 4.4 Materials. Chapter 5 Integration of a Ventilation and Air-Conditioning System(s) with Building Construction 5.1 Air-Handling Equipment Rooms. 5.2 Building Construction. 5.3 Penetrations — Protection of Openings. 5.4 Fire Dampers, Smoke Dampers, and Ceiling Dampers. Chapter 6 Controls 6.1 Wiring. 6.2 Manual Control. 6.3 Smoke Dampers.6.4 Smoke Detection for Automatic Control. Chapter 7 Acceptance Testing 7.1 General. 7.2 Fire Dampers, Smoke Dampers, and Ceiling Dampers. 7.3 Controls and Operating Systems. Annex A Explanatory Material Annex B Maintenance Annex C Informational References

This standard shall cover construction, installa‐ tion, operation, and maintenance of systems for air condition‐ ing and ventilating, including ƒlters, ducts, and related equipment, to protect life and property from ƒre, smoke, and gases resulting from ƒre or from conditions having manifesta‐ tions similar to fƒire.