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NFPA 59A: Standard for the Production, Storage, and Handling of Liquefied Natural Gas (LNG), 2026
- 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 SI Units.
- 1.6 Pressure Measurement.
- 1.7 Referenced Standards.
- 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 Scope.
- 4.2 Designer and Fabricator Competence.
- 4.3 Soil Protection for Cryogenic Equipment.
- 4.4 Falling Ice and Snow.
- 4.5 Concrete Design and Materials.
- 4.6 Engineering ReviewManagement of Changes.
- 4.7 Control Center.
- 4.8 Sources of Power.
- 4.9 Records.
- 4.10 Noncombustible Material.
- 4.11 Ignition Source Control.
- 4.12 Facility Lighting.
- Chapter 5 Plant Siting [Go to Page]
- 5.1 Scope.
- 5.2 Plant Site Provisions.
- 5.3 Site Provisions for Spill and Leak Control.
- Chapter 6 Plant Layout [Go to Page]
- 6.1 Scope.
- 6.2 General Layout.
- 6.3 Container Spacing.
- 6.4 Vaporizer Spacing.
- 6.5 Process Equipment Spacing.
- 6.6 Loading and Unloading Facility Spacing.
- 6.7 Buildings and Structures.
- 6.8 Impoundment Spacing.
- Chapter 7 Process Equipment [Go to Page]
- 7.1 Scope.
- 7.2 General Requirement.
- 7.3 Installation of Process Equipment.
- 7.4 Pumps and Compressors.
- 7.5 Hazardous Liquid Storage.
- 7.6 Process Equipment.
- Chapter 8 Stationary LNG Storage [Go to Page]
- 8.1 Scope.
- 8.2 General.
- 8.3 Design Considerations.
- 8.4 Tank Systems.
- 8.5 ASME Containers.
- Chapter 9 Vaporization Facilities [Go to Page]
- 9.1 Scope.
- 9.2 Classification of Vaporizers.
- 9.3 Design and Materials of Construction.
- 9.4 Vaporizer Shutoff Valves.
- 9.5 Relief Devices on Vaporizers.
- 9.6 Combustion Air Supply.
- 9.7 Products of Combustion.
- Chapter 10 Piping Systems and Components [Go to Page]
- 10.1 Scope.
- 10.2 General.
- 10.3 Materials of Construction.
- 10.4 Installation.
- 10.5 Isolation of Hazardous Fluid Equipment and Systems.
- 10.6 Pipe Supports.
- 10.7 Piping System and Component Identification.
- 10.8 Inspection, Examination, and Testing of Piping.
- 10.9 Purging of Piping Systems.
- 10.10 Safety and Relief Valves.
- 10.11 Flares and Vent Stacks.
- 10.12 Corrosion Control.
- 10.13 Cryogenic Pipe-in-Pipe Systems.
- 10.14 Below-Ground or Subsea Installation.
- Chapter 11 Instrumentation and Electrical Services [Go to Page]
- 11.1 Scope.
- 11.2 General.
- 11.3 Liquid Level Gauging.
- 11.4 Pressure Gauging.
- 11.5 Vacuum Gauging.
- 11.6 Temperature Indicators.
- 11.7 Control Systems.
- 11.8 Fail-Safe Design.
- 11.9 Electrical Equipment.
- 11.10 Electrical Grounding and Bonding.
- Chapter 12 Plant Facilities Design [Go to Page]
- 12.1 Design Classification.
- 12.2 Plant Facilities Design.
- 12.3 Seismic Design.
- 12.4 LNG Containers.
- 12.5 Buildings or Structural Enclosures.
- 12.6 Fire and Explosion Control.
- 12.7 Ventilation.
- 12.8 Flammable Gas or Vapor Control.
- 12.9 Occupant Protection.
- Chapter 13 Impounding Area and Drainage System Design and Capacity [Go to Page]
- 13.1 Single Container Impounding Areas.
- 13.2 Multiple Container Impounding Areas.
- 13.3 Dikes, Impounding Walls, and Drainage Channels for Non-LNG Storage.
- 13.4 Other Impounding Areas.
- 13.5 Volumetric Capacity.
- 13.6 Enclosed Drainage Channels.
- 13.7 Enclosed Impounding Systems.
- 13.8 Dikes and Impounding Walls.
- 13.9 Secondary Containment.
- 13.10 Pipe Penetrations.
- 13.11 Insulation Systems.
- 13.12 Impounding Area Wall Height and Distance to Containers.
- 13.13 Water Removal for Hazardous Liquid Impounding Areas.
- Chapter 14 Mobile and Temporary LNG Facility [Go to Page]
- 14.1 Temporary Service Use.
- 14.2 Odorization Equipment.
- Chapter 15 Transfer Systems for Hazardous Fluids [Go to Page]
- 15.1 Scope.
- 15.2 General Requirements.
- 15.3 Piping System.
- 15.4 Pump and Compressor Control.
- 15.5 Marine Shipping and Receiving.
- 15.6 Tank Vehicle, Tank Car, and ISO Container Loading and Unloading Facilities.
- 15.7 Pipeline Shipping and Receiving.
- 15.8 Hoses and Arms.
- 15.9 Communications and Lighting.
- Chapter 16 Fire Protection, Safety, and Security [Go to Page]
- 16.1 Scope.
- 16.2 General.
- 16.3 ESD Systems.
- 16.4 Hazard Detection.
- 16.5 Fire Protection Water Systems.
- 16.6 Fire Extinguishing and Other Fire Control Equipment.
- 16.7 Personnel Safety.
- 16.8 Security.
- Chapter 17 Requirements for Stationary Applications for Small Scale LNG Facilities [Go to Page]
- 17.1 Scope.
- 17.2 Control Rooms.
- 17.3 Plant Siting.
- 17.4 Plant Layout.
- 17.5 Process Equipment.
- 17.6 Stationary LNG Storage.
- 17.7 Vaporization Facilities.
- 17.8 Piping Systems and Components.
- 17.9 Instrumentation and Electrical Services.
- 17.10 Plant Facilities Design.
- 17.11 Impounding Area and Drainage System Design Capacity.
- 17.12 Transfer Systems for Hazardous Fluids.
- 17.13 Fire Protection, Safety, and Security.
- 17.14 Operating, Maintenance, and Personnel Training.
- Chapter 18 Operating, Maintenance, and Personnel Training [Go to Page]
- 18.1 Scope.
- 18.2 General Requirements.
- 18.3 Manual of Operating Procedures.
- 18.4 Emergency Procedures.
- 18.5 Incident Investigation Protocol.
- 18.6 Security Procedures.
- 18.7 Monitoring Operations.
- 18.8 Commissioning.
- 18.9 Transfer of LNG and Flammables.
- 18.10 Maintenance Manual.
- 18.11 Maintenance.
- 18.12 Personnel Training.
- 18.13 Records.
- Chapter 19 Performance-Based LNG Plant Siting Using Quantitative Risk Analysis (QRA) [Go to Page]
- 19.1 Scope.
- 19.2 General Requirements.
- 19.3 Definitions.
- 19.4 Risk Calculations and Basis of Assessment.
- 19.5 LNG and Other Hazardous Materials Release Scenarios.
- 19.6 Release Probabilities and Conditional Probabilities.
- 19.7 Modeling Conditions and Occurrence Probabilities.
- 19.8 Hazard and Consequence Assessment.
- 19.9 Risk Result Presentation.
- 19.10 Risk Tolerability Criteria.
- 19.11 Risk Mitigation Approaches.
- Annex A Explanatory Material
- Annex B Seismic Design of LNG Plants
- Annex C Informational References [Go to Page]
