FM 5420 : 2007

1 INTRODUCTION
  1.1 Purpose
  1.2 Scope
  1.3 Basis for Requirements
  1.4 Basis for Approval
  1.5 Basis for Continued Approval
  1.6 Effective Date
  1.7 System of Units
  1.8 Applicable Documents
  1.9 Definitions
2 GENERAL INFORMATION
  2.1 Approval Application Requirements
  2.2 Requirements for Samples for Examination
3 GENERAL REQUIREMENTS
  3.1 Review of Documentation
  3.2 Physical or Structural Construction Features
       3.2.1 Operating Range
       3.2.2 Materials
       3.2.3 Control
       3.2.4 Strength
       3.2.5 Pressure Vessels
       3.2.6 Discharge Valves
       3.2.7 Siphon Tubes
       3.2.8 Pressure Relief Devices
       3.2.9 Discharge Heads and Connectors
       3.2.10 Manifolds and Piping
       3.2.11 Cylinder Supports
       3.2.12 Protective Covering
       3.2.13 Actuation Devices or Control Heads
       3.2.14 Auxiliary Manual Controls
       3.2.15 Selector and Lockout Valves
       3.2.16 Nozzles
       3.2.17 Nozzle Screens
       3.2.18 Nozzle Covers
       3.2.19 Carbon Dioxide
       3.2.20 Auxiliary Equipment
       3.2.21 Low Pressure Agent Supply Container Configuration
              Requirements
       3.2.22 Hazardous Location Rating of Components
  3.3 Markings
  3.4 Manufacturer's Installation and Operation Instructions
  3.5 Calibration
4 PERFORMANCE REQUIREMENTS
  4.1 One Year Leakage Test for High Pressure Supply Containers
  4.2 Leakage at Maximum and Minimum Storage Temperature Test
       for High Pressure Supply Containers
  4.3 Equivalent Length and Nozzle Size Number Determination
  4.4 High Rate of Flow Discharge Integrity
  4.5 Cycle Operation Test
  4.6 Valve Leakage
  4.7 Hydrostatic Integrity
  4.8 Pressure Relief Devices
       4.8.1 Pressure Relief Operation
       4.8.2 Pressure Relief Calculations
  4.9 Flexible Hose
       4.9.1 Low Temperature
       4.9.2 Resilience
  4.10 Actuator and Control Operation
       4.10.1 General
       4.10.2 Electrically Operated Devices
       4.10.3 Manually Operated Controls
       4.10.4 Pilot Operated Controls
       4.10.5 Mechanical Time Delay Assemblies
       4.10.6 Pressure Operated Audible Alarm Devices
  4.11 Dielectric Withstand
  4.12 Salt Fog Corrosion
  4.13 Individual Component Functionality
       4.13.1 General
       4.13.2 Stress Corrosion
       4.13.3 Thermal Shock
       4.13.4 Elastomeric Materials Tests
  4.14 Temperature Maintenance for Low Pressure Storage Containers
  4.15 Pressure Gauge (Low Pressure)
       4.15.1 Accuracy
       4.15.2 Impulse Resistance
  4.16 Liquid Level Indicator (Low Pressure)
  4.17 Area of Coverage for Total Flooding Systems
  4.18 Area of Coverage for Overhead Local Application Systems
  4.19 Carbon Dioxide Calculation Method
  4.20 Protection of Wet Benches and Similar Processing Equipment
  4.21 Additional Tests
5 OPERATIONS REQUIREMENTS
  5.1 Demonstrated Quality Control Program
  5.2 Facilities and Procedures Audit (F&PA)
  5.3 Installation Inspections
  5.4 Manufacturer's Responsibilities
  5.5 Manufacturing and Production
APPENDIX A: Units of Measurements
APPENDIX B: FM Approvals Certification Marks
APPENDIX C: Component Examination Guide
APPENDIX D: Sample Listing
APPENDIX E: Fire tests for Carbon Dioxide Extinguishing Systems
            for the Protection of Wet Benches and Similar
            Processing Equipment
         E.1 General Testing Requirements
         E.2 Ventilated Subsurface (Plenum) Fire Tests (Figures
             E-3, E-5 and E-6)
             E.2.1 Nominal 4 in. (102 mm) Diameter Polypropylene
                   Pool Fire
             E.2.2 Nominal 6 in. (152 mm) Diameter Polypropylene
                   Pool Fire
             E.2.3 Nominal 8 in. (203 mm) Diameter Polypropylene
                   Pool Fire
             E.2.4 Nominal 10 in. (254 mm) Diameter Polypropylene
                   Pool Fire
             E.2.5 Nominal 12 in. (305 mm) Diameter Polypropylene
                   Pool Fire
             E.2.6 Flammable Liquid Pool Fires
         E.3 Wet Bench Working Surface Fire Tests (Figures E-1
             through E-4 and E-7)
             E.3.1 Nominal 4 in. (102 mm) Diameter Polypropylene
                   Pool Fire
             E.3.2 Nominal 6 in. (152 mm) Diameter Polypropylene
                   Pool Fire
             E.3.3 Nominal 8 in. (203 mm) Diameter Polypropylene
                   Pool Fire
             E.3.4 Nominal 10 in. (254 mm) Diameter Polypropylene
                   Pool Fire
             E.3.5 Nominal 12 in. (305 mm) Diameter Polypropylene
                   Pool Fire
             E.3.6 Flammable Liquid Pool Fires
             E.3.7 Splashing Test
             E.3.8 Other Working Surface Fire Tests
APPENDIX F: Figures

Specifies requirements for fixed fire extinguishing systems which use carbon dioxide (CO[2]) as the extinguishant.