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

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Water-based fire sprinkler protection systems comprise the bulk of commercial and residential installations. Properly inspecting, testing, and maintaining these complex systems requires close attention to mechanical details and various important provisions.

The new 2014 NFPA 25: Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems offers comprehensive guidance on maintaining suppression systems for optimum performance. Effective use of NFPA 25 reduces risk of death by 80% and average property loss by nearly 70%. In fact, 2013 NFPA 13 requires that installers leave a copy of NFPA 25 with property owners so that inspectors, building owners, and facility managers can maximize protection.

Inspection, testing, and maintenance 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

Learn about the latest provisions in the new 2014 NFPA 25:

  • Updated fire pump operating test-frequency rules
  • New fuel-supply testing procedures for diesel-driven fire pumps
  • Modified definition of "sprinkler system" for consistency with NFPA 13
  • Clarification about inspecting the insides of sprinkler pipes
  • An expanded scope that includes water-mist systems
  • The addition of valve status testing to ensure water is reaching the sprinkler system

Ongoing water-based fire protection system maintenance is far less costly than having to replace entire systems. And ensuring function and performance of sprinkler systems is especially important for protection of life and property.

To stay compliant with NFPA 25 and meet the highest national standards of fire and electrical safety, order your copy today. (Softbound, 136 pp., 2014)

NFPA® 25 Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems 2014 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 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 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 Valves, Valve Components, and Trim
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 Backflow Prevention Assemblies
13.7 Fire Department Connections
13.8 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 for Inspection, Testing, and Maintenance
Annex C Possible Causes of Pump Troubles
Annex D Obstruction Investigation
Annex E Hazard Evaluation Form
Annex F Informational References

NFPA®'s Redline PDF contains both the current NFPA document and a Redline version of the document which shows changes from the previous edition marked in color. With the Redline you can quickly spot changed sections and tell specifically what has been changed from the previous edition, saving time and confusion.

  • Changed sections are marked with a vertical rule.
  • Deleted material is shown in red strikethrough type.
  • New material appears in blue underscored type.


Sample (NEC® 2014)

411.2411.3 Definition. Low-Voltage Lighting Systems.


(A) General. Lighting Ssystems Ooperating at 30 Volts- volts or  Less. A lighting system consisting less shall consist of an isolating power supply, the low-voltage luminaires, and associated equipment that are all identified for the use. The output circuits of the power supply are shall be rated for not more than 25 amperes and  operate at 30 volts (42.4 volts peak) or lessmaximum under all load conditions.


(B) Class 2. Listed Class 2 lighting equipment shall be rated in conformance with Chapter 9, Table 11(A) or Table 11(B).


411.3411.4 Listing Required. Lighting systems operating at 30 volts or less shall comply with 411.3(A)411.4(A) or 

411.3(B).411.4(B). Class 2 power sources and lighting equipment connected to Class 2 power sources shall be llisted.

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eForms Table of Contents

  • Wet Pipe Sprinkler Systems Inspection, Testing, and Maintenance
  • Dry Pipe Sprinkler Systems Inspection, Testing, and Maintenance
  • Preaction/Deluge Sprinkler Systems Inspection, Testing, and Maintenance
  • Standpipe and Hose Systems Inspection, Testing, and Maintenance
  • Water Spray Systems Inspection, Testing, and Maintenance
  • Water Mist Systems Inspection, Testing, and Maintenance
  • Foam-Water Sprinkler Systems Inspection, Testing, and Maintenance
  • Foam-Water Sprinkler Systems Monthly Inspection
  • Private Fire Service Mains Inspection, Testing, and Maintenance
  • Private Fire Service Mains Hydrant Flow Test Report
  • Water Storage Tanks Inspection
  • Fire Sprinkler System Hazard Evaluation
  • Contractor’s Material and Test Certificate for Aboveground Piping
  • Contractor’s Material and Test Certificate for Underground Piping
  • Fire Pumps Weekly Inspection
  • Fire Pumps Weekly Operating Tests
  • Fire Pumps Monthly Inspection, Testing, and Maintenance
  • Fire Pumps Quarterly Inspection, Testing, and Maintenance
  • Fire Pumps Semi-annual Inspection, Testing, and Maintenance
  • Fire Pumps Annual Inspection, Testing, and Maintenance
  • Fire Pumps Annual Performance Test
  • Possible Causes of Fire Pump Troubles