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NFPA 770 2021

NFPA 770 2021

$80.71

NFPA 770: Standard on Hybrid (Water and Inert Gas) Fire Extinguishing Systems

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NFPA 2021
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Expand your knowledge of hybrid fire extinguishing systems with NFPA 770, first edition. Hybrid media, created by the simultaneous discharge of fine water mist and an inert gas agent, provides a unique set of characteristics that is ideal for dispersion, extinguishment, and cooling. NFPA 770, Standard on Hybrid (Water and Inert Gas) Fire Extinguishing Systems, delivers the first document offering comprehensive requirements for the safer and more effective use of this modern means of fire suppression. The first edition of NFPA 770 is the result of years of volunteer service by a broad cross-section of dedicated and informed professionals. The standard was created to provide a document solely focused on hybrid systems, which represent a separate and distinct technology from either water mist or clean agent systems. Content covers everything from new terms and definitions to methods of system design, application testing and design validation, installation requirements, and inspection, testing, and maintenance procedures. Get up to speed with performance criteria for hybrid fire extinguishing systems.

PDF Catalog

PDF Pages PDF Title
2 Important Notices and Disclaimers
3 Additional Important Notices and Disclaimers
7 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Retroactivity.
1.4 Equivalency.
1.5 Units of Measurement.
8 Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications.
2.3 Other Publications.
9 2.4 References for Extracts in Mandatory Sections.
Chapter 3 Definitions
3.1 General.
3.2 NFPA Official Definitions.
3.3 General Definitions
10 Chapter 4 General Information
4.1 Use and Limitations.
11 4.2 Safety Considerations.
4.3 Use Restrictions
4.4 Qualifications.
Chapter 5 Components
5.1 Water Supply.
5.2 Inert Gas Agent Supply.
5.3 Storage Containers.
12 5.4 Pipe, Fittings, and Valves.
13 5.5 Hybrid Nozzles.
14 5.6 Detection, Actuation, Alarm, and Control Systems.
16 Chapter 6 Application and Fire Test Protocols
6.1 General.
6.2 Listing or Approval Evaluations.
6.3 Performance Objectives.
6.4 Application Parameters.
17 6.5 Flooding Factor.
Chapter 7 System Design Requirements
7.1 General.
7.2 Pipe Network Layout and Design.
Chapter 8 Design Requirements for Total Flooding Systems
8.1 General.
18 8.2 Enclosure Requirements.
8.3 System Performance Characteristics.
8.4 Hybrid Media Quantity.
19 8.5 Concentration of Oxygen.
8.6 Hybrid Media Retention for Prevention of Re-ignition.
8.7 Hybrid Nozzle Selection, Quantity, and Location.
20 Chapter 9 Design Requirements for Local Application Systems
9.1 General.
9.2 Hazard Specifications.
9.3 Nozzle Selection, Quantity, and Location.
9.4 Discharge Rate.
9.5 Discharge Time.
9.6 Hybrid Media Quantity.
21 Chapter 10 Design Requirements for Marine Systems (Reserved)
Chapter 11 System Documentation
11.1 System Working Plans.
11.2 System Flow Documentation.
22 11.3 Detection, Actuation, and Control Systems Documentation.
11.4 Owner’s Documentation.
11.5 System Information Sign.
Chapter 12 Installation Requirements
12.1 General.
12.2 Nozzles.
12.3 Hazardous Locations.
12.4 Electrical Clearances.
12.5 Pipe Network.
23 12.6 Gas and Water Storage Containers.
12.7 Valves and Pressure Gauges.
12.8 Electrical Equipment and Systems.
24 12.9 System Review and Testing.
Chapter 13 Acceptance Testing
13.1 Approval of Installations.
13.2 Acceptance Requirements.
25 13.3 System Design Information Sign.
13.4 Owner’s Documentation.
Chapter 14 Inspection, Testing, and Maintenance
14.1 General.
26 14.2 Periodic Inspection and Maintenance.
14.3 Hose Test.
14.4 Inert Gas Agent Container Test.
27 14.5 Water Storage Container Inspection and Test.
14.6 Actuation/Impairment.
14.7 Training.
14.8 Corrections and Repairs.
Chapter 15 Impairment
15.1 General.
15.2 Impairment Coordinator.
15.3 Tag Impairment System.
28 15.4 Impaired Equipment.
15.5 Preplanned Impairment Programs.
15.6 Emergency Impairments.
15.7 Restoring Systems to Service.
Annex A Explanatory Material
36 Annex B Fire Test Methods
40 Annex C Informational References

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NFPA 770 2021
$80.71