NFPA 25: Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection System

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Adopted in many states, NFPA 25 helps users inspect, test, and maintain water-based fire sprinkler protection systems. The 2017 edition includes revised and updated ITM tables and major changes that improve usability for owners and service providers.

Comprising the bulk of commercial and residential installations, fire sprinkler systems are highly effective against fire. However, to function correctly, these complex systems require close attention to mechanical issues and other important details. The 2017 edition of NFPA 25: Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems is the new industry benchmark, with comprehensive requirements for maintaining suppression systems for peak performance.

This edition helps building owners, facility managers, inspectors, and service providers work together to maximize protection.

NFPA 25 is so important to sprinkler system effectiveness, NFPA 13: Installation of Sprinkler Systems requires that installers leave a copy of NFPA 25 with property owners. ITM regimes covered by NFPA 25 include evaluation techniques such as fire sprinkler inspections, valve status tests, internal piping assessments, fire pump operating tests, fire pump flow tests, forward-flow tests for back-flow preventers, risk assessment and performance-based testing programs, preparing preplanned impairment reports, hydrant flushing, and testing.

Revised and updated ITM tables throughout are just some of the changes:

  • New residential sprinkler replacement requirements address sprinklers that are no longer available.
  • New requirements clarify steps to take if inspections reveal missing escutcheons, or if listed escutcheons are no longer available.
  • Added criteria cover automated inspections and testing.
  • Significant changes in Chapter 13 address waterflow alarm devices, preaction and deluge valves, air compressors, and general pressure gauge criteria.
  • Fire pump terms are aligned with NFPA 20: Installation of Stationary Pumps for Fire Protection.
  • New Annexes address connectivity and data collection, and color-coded tagging programs.

System maintenance saves lives and property--and is far less costly than system replacement.

To ensure reliability and extend your system's service life, comply with the latest edition of NFPA 25. (Softbound,181 pp., 2017)

NFPA® 25 Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, 2017 Edition

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 Operational Tests.
10.4 Ultra-High-Speed Water Spray System (UHSWSS) Operational Tests.
10.5 Component Action Requirements.
Chapter 11 Foam-Water Sprinkler Systems
11.1 General.
11.2 Inspection.
11.3 Operational Tests.
11.4 Maintenance.
11.5 Component Action Requirements.
Chapter 12 Water Mist Systems
12.1 Inspection and Testing.
12.2 Maintenance.
12.3 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.
13.11 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.
Annex A Explanatory Material
Annex B Forms and Reports for Inspection, Testing, and Maintenance
Annex C Possible Causes of Pump Troubles
Annex D Obstruction Investigation
Annex E Hazard Evaluation Form
Annex F Connectivity and Data Collection
Annex G Color-Coded Tagging Program
Annex H Informational References