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NFPA 2001: Standard on Clean Agent Fire Extinguishing Systems, 2025
- Important Notices and Disclaimers
- Additional Important Notices and Disclaimers
- Chapter 1 Administration [Go to Page]
- 1.1 Scope.
- 1.2 Purpose.
- 1.3 Retroactivity.
- 1.4 Equivalency.
- 1.5 Units.
- Chapter 2 Referenced Publications [Go to Page]
- 2.1 General.
- 2.2 NFPA Publications.
- 2.3 Other Publications.
- 2.4 References for Extracts in Mandatory Sections.
- Chapter 3 Definitions [Go to Page]
- 3.1 General.
- 3.2 NFPA Official Definitions.
- 3.3 General Definitions.
- Chapter 4 General Requirements [Go to Page]
- 4.1 Personnel Qualifications and Training.
- 4.2 Use and Limitations of Clean Agent Systems.
- 4.3 Hazards to Personnel.
- 4.4 System Technician Safety.
- 4.5 Electrical Clearances.
- 4.6 Environmental Factors.
- 4.7 Retrofit.
- 4.8 Compatibility with Other Agents.
- Chapter 5 Components [Go to Page]
- 5.1 Agent Supply.
- 5.2 Distribution.
- Chapter 6 System Design [Go to Page]
- 6.1 Specifications, Plans, and Approvals.
- 6.2 System Flow Calculations.
- Chapter 7 Total Flooding Systems [Go to Page]
- 7.1 Enclosure.
- 7.2 Design Concentration Requirements.
- 7.3 Total Flooding Quantity.
- 7.4 Duration of Protection.
- 7.5 Distribution System.
- 7.6 Nozzle Choice and Location.
- Chapter 8 Local Application Systems [Go to Page]
- 8.1 Description.
- 8.2 Hazard Specifications.
- 8.3 Clean Agent Requirements.
- 8.4 Nozzles.
- 8.5 Location and Number of Nozzles.
- Chapter 9 Detection, Actuation, Alarm, and Control Systems for Clean Agent Releasing Applications [Go to Page]
- 9.1 General.
- 9.2 Automatic Detection.
- 9.3 Manual Release.
- 9.4 Operating Devices and Control Equipment for Agent Release, Discharge Control, and Equipment Shutdown.
- 9.5 Operating Alarms, Notification Appliances, and Indicators.
- 9.6 Abort Switches.
- 9.7 Time Delays.
- 9.8 Disconnect Switch.
- 9.9 Lockout Valves.
- Chapter 10 Approval of Installations [Go to Page]
- 10.1 Safety.
- 10.2 General.
- 10.3 Acceptance Test Report.
- 10.4 Review of Mechanical Components.
- 10.5 Review of Enclosure Integrity.
- 10.6 Review of Electrical Components.
- 10.7 Functional Testing.
- 10.8 Owner’s Documentation.
- 10.9 Training.
- Chapter 11 Inspection, Servicing, Testing, Maintenance, and Training [Go to Page]
- 11.1 General.
- 11.2 Monthly Inspection.
- 11.3 Semiannual Service and Inspection.
- 11.4 Annual Inspection and Service.
- 11.5 Maintenance.
- 11.6 Container Test.
- 11.7 Hose Test.
- 11.8 Training.
- Chapter 12 Impairment [Go to Page]
- 12.1 General.
- 12.2 Impairment Coordinator.
- 12.3 Tag Impairment System.
- 12.4 Preplanned Impairment Programs.
- 12.5 Emergency Impairments.
- 12.6 Restoring Systems to Service.
- Chapter 13 Marine Systems [Go to Page]
- 13.1 General.
- 13.2 Use and Limitations.
- 13.3 Hazards to Personnel.
- 13.4 Agent Supply.
- 13.5 Detection, Actuation, and Control Systems.
- 13.6 Additional Requirements for Systems Protecting Class B Hazards Greater Than 6000 ft3 (170 m3) with Stored Cylinders Within the Protected Space.
- 13.7 Enclosure.
- 13.8 Design Concentration Requirements.
- 13.9 Distribution System.
- 13.10 Nozzle Choice and Location.
- 13.11 Inspection and Tests.
- 13.12 Approval of Installations.
- 13.13 Periodic Puff Testing.
- 13.14 Compliance.
- Annex A Explanatory Material
- Annex B Toxicological and Physiological Effects of Clean Agents and Their Decomposition Products
- Annex C Cup Burner Method for Determining the Minimum Concentration of Gaseous Agent for Flame Extinguishment
- Annex D Enclosure Integrity Procedure
- Annex E Enclosure Evaluation
- Annex F Storage Containers for Vaporizing-liquid Agents
- Annex G Informational References [Go to Page]
