Contents
Preface
About the Editors
Tips for Owners Quick Reference Guide
NFPA 25 Summary of Technical Changes: 2020 to 2023
PART 1
NFPA® 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, 2023 Edition, with Commentary
Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 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
3.4 Deluge Foam-Water Sprinkler and Foam-Water Spray Systems Definitions
3.5 Valve Definitions
3.6 Water-Based Fire Protection System Definitions
3.7 Inspection, Testing, and Maintenance (ITM) Task Frequencies
Chapter 4 General Requirements
4.1 Responsibility of Property Owner or Designated Representative
4.2 Manufacturer’s Corrective Action
4.3 Records
4.4 Water Supply Status
4.5 Inspection
4.6 Testing
4.7 Performance-Based Compliance Programs
4.8 Maintenance
4.9 Safety
Chapter 5 Sprinkler Systems
5.1 General
5.2 Inspection
5.3 Testing
5.4 Maintenance
5.5 Component Action Requirements
Chapter 6 Standpipe and Hose Systems
6.1 General
6.2 Inspection
6.3 Testing
6.4 Maintenance
6.5 Component Action Requirements
Chapter 7 Private Fire Service Mains
7.1 General
7.2 Inspection and Corrective Action
7.3 Testing
7.4 Maintenance
7.5 Component Action Requirements
Chapter 8 Fire Pumps
8.1 General
8.2 Inspection
8.3 Testing
8.4 Reports
8.5 Maintenance
8.6 Component Replacement Testing Requirements
Chapter 9 Water Storage Tanks
9.1 General
9.2 Inspection
9.3 Testing
9.4 Maintenance
9.5 Automatic Tank Fill Valves
9.6 Component Action Requirements
Chapter 10 Water Spray Fixed Systems
10.1 General
10.2 Inspection and Maintenance Procedures
10.3 Testing
10.4 Ultra-High-Speed Water Spray System (UHSWSS) Operational Tests
10.5 Component Action Requirements
Chapter 11 Foam Systems
11.1 General
11.2 Inspection
11.3 Testing
11.4 Maintenance
Chapter 12 Water Mist Systems
12.1 General
12.2 Inspection
12.3 Testing
12.4 Maintenance
12.5 Training
Chapter 13 Common Components and Valves
13.1 General
13.2 General Provisions
13.3 Control Valves in Water-Based Fire Protection Systems
13.4 System Valves
13.5 Pressure-Reducing Valves and Relief Valves
13.6 Hose Valves
13.7 Backflow Prevention Assemblies
13.8 Fire Department Connections
13.9 Automatic Detection Equipment
13.10 Air Compressors and Nitrogen Generators
13.11 Automatic Air Vents
13.12 Component Testing Requirements
Chapter 14 Internal Piping Condition and Obstruction Investigation
14.1 General
14.2 Assessment of Internal Condition of Piping
14.3 Obstruction Investigation and Prevention
14.4 Ice Obstruction
Chapter 15 Impairments
15.1 General
15.2 Impairment Coordinator
15.3 Tag Impairment System
15.4 Impaired Equipment
15.5 Preplanned Impairment Programs
15.6 Emergency Impairments
15.7 Restoring Systems to Service
Chapter 16 Special Requirements from Other NFPA Documents
16.1 General
16.2 Small Residential Board and Care Occupancies
ANNEXES
A Explanatory Material
B Forms and Reports for Inspection, Testing, and Maintenance 569
C Possible Causes of Pump Troubles
D Obstruction Investigation
E Hazard Evaluation Form
F Connectivity and Data Collection
G Color-Coded Tagging Program
H Hazards of Legacy Antifreeze Solutions
I Informational References
PART 2
Supplements
1 Conducting Fire Pump Flow Tests
2 ITM Roles and Responsibilities
3 Role of the Inspector
4 Role of the Owner or Designated Representative
5 Role of the Authority Having Jurisdiction
Index
Important Notices and Legal Disclaimers