NFPA 13R:2025

Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Retroactivity. 1.4 Equivalency. 1.5 Units. 1.6 New Technology. 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 General Requirements 4.1 Sprinklered Throughout. 4.2 Basic Requirements. 4.3 Tube. 4.4 Listed or Labeled. 4.5 System Arrangement. Chapter 5 System Components 5.1 General. 5.2 Aboveground Piping and Equipment. 5.3 Underground Pipe. 5.4 System Types. Chapter 6 Installation 6.1 System Protection Area Limitations. 6.2 Use of Sprinklers. 6.3 Quick-Response Sprinklers. 6.4 Residential Sprinklers. 6.5 Special Situations. 9.4 Connection from Waterworks System. 9.5 Types. 6.8 Valves. 6.9 Drains. 6.10 Test Connection. 6.11 Fire Department Connection. 6.12 Pressure Gauges. 6.13 Piping Support. 6.14 Open-Grid Ceilings. 6.15 Drop-Out Ceilings. 6.16 Alarms. Chapter 7 Design Criteria 7.1 Inside Dwelling Unit. 7.2 Outside Dwelling Unit. 7.3 Garages. 7.4 Attics. 7.5 Combustible Concealed Spaces. Chapter 8 Plans and Calculations 8.1 Working Plans. 8.2 Hydraulic Calculations. Chapter 9 Water Supplies 9.1 Number of Supplies. 9.2 Capacity. 9.3 Domestic Demand. 9.4 Connection from Waterworks System. 9.5 Types.9.6 Connections to Waterworks Systems. 9.7 Fire Pump. 9.8 Penstocks, Flumes, Rivers, Lakes, or Reservoirs. 9.9 Non–Fire Protection Connections. Chapter 10 System Acceptance 10.1 Approval of Sprinkler Systems. 10.2 Acceptance Tests. Chapter 11 Care and Maintenance 11.3 Inspection, Testing, and Maintenance. 11.4 Instructions. Annex A Explanatory Material Annex B Informational References

This standard shall cover the design and installa‐ tion of automatic sprinkler systems for protection against fire hazards in residential occupancies up to and including four stories in height that are located in buildings not exceeding 60ft (18m) in height above grade plane.