NFPA 59:2021

Chapter 1 Administration 1.1 Scope.1.2 Purpose.1.3 Nonapplication of Code.1.4 Retroactivity.1.5 Equivalency.1.6 Enforcement.1.7 Pressure Measurement. Chapter 2 Referenced Publications2.1 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. Chapter 4 General Requirements4.1 Personnel Training. 4.2 Odorizing Gases. 4.3 Acceptance of Equipment. 4.4 Damage from Vehicles. 4.5 Ignition Source Control. 4.6 Lighting. 4.7 Construction and Modification Records. 4.8 Design and Installation. 4.9 Atmospheric Corrosion Control. 4.10 External Corrosion Control: Buried or Submerged Components. 4.11 Internal Corrosion Control. 4.12 Interference Currents. Chapter 5 Nonrefrigerated Containers 5.1 Provision for Construction and Original Test of Nonrefrigerated Containers.5.2 Design Pressure and Classification of Nonrefrigerated Containers. 5.3 ASME Container Markings. 5.4 Location of Nonrefrigerated Containers.5.5 Installation of Nonrefrigerated Storage Containers.5.6 Reinstallation of Nonrefrigerated Containers.5.7 Filling Densities.5.8 Point of Transfer Spacing. Chapter 6 Refrigerated Containers6.1 Scope.6.2 Refrigerated Containers Designed to Operate Below 7psi (103kPa) and Above 5000 bbls (800m3). 6.3 Refrigerated Containers Designed to Operate Above 15psi (103kPa).Chapter 7 Piping, Valves, Process Pressure Vessels, and Equipment 7.1 General. 7.2 Container Valves and Accessories.7.3 Filler and Discharge Pipes and Manifolds.7.4 Liquid Level Gauging Device.7.5 Hose Specifications for Nonrefrigerated LP-Gas.7.6 Drips, Pits, and Drains.7.7 Pumps and Compressors.7.8 Pumps and Compressors in Refrigerated LP Gas Systems.7.9 Process Pressure Vessels.7.10 Protection of Container Accessories.7.11 Transfer Equipment.Chapter 8 Buildings or Structures Housing LP-Gas Distribution Facilities8.1 Scope.8.2 Separate Structures or Buildings.8.3 Attached Structures or Rooms Within Structures.8.4 Rooms Housing Vaporizers or Mixers. Chapter 9 Vaporizers, Heat Exchangers, and Gas–Air Mixers9.1 General.9.2 Buildings or Rooms Housing Vaporizers or Gas–Air Mixers.9.3 Vaporizers.9.4 Gas–Air Mixers.9.5 Vaporizer Installation. Chapter 10 Relief Devices 10.1 General. 10.2 Nonrefrigerated Container Relief Devices.10.3 Refrigerated Container Relief Devices.10.4 Relief Device Sizing for Refrigerated Containers.10.5 Refrigerated Container Relief Device Sizing for Fire Exposure.10.6 Pressure Relief Valve Discharge Vents.10.7 Vaporizers.10.8 Hydrostatic Relief Valves. Chapter 11 Operations11.1 General.11.2 Operating Procedures Manuals.11.3 Handling.11.4 Operating Records. Chapter 12 Maintenance 12.1 Retroactivity.12.2 Maintenance Manuals.12.3 Corrosion Protection.12.4 Maintenance of Emergency Shutoff and Check Valves.12.5 Maintenance of Foundations and Supports. 12.6 Maintenance of Fire Protection Equipment.12.7 Leakage Surveys.12.8 Auxiliary Power Sources.12.9 Purging Prior to Maintenance.12.10 Maintenance Records. Chapter 13 Fire Protection, Safety, and Security 13.1 General. 13.2 Gas, Fire, and Leak Detection. 13.3 Container Protection. 13.4 Fire Protection Water Systems. 13.5 Fire-Extinguishing and Other Fire Protection Equipment.13.6 Special Protection.13.7 Maintenance of Fire Protection Equipment.13.8 Personnel Safety.13.9 Security. Annex A Explanatory Material Annex B Method of Calculating Maximum Liquid Volume That Can Be Placed in a Container at Any Liquid Temperature Annex C Method of Calculating Maximum Volume of Liquefied Petroleum Gas That Can Be Placed in a Container for Which Length of Fixed Drip Tube Is Set Annex D Relief Device Sizing Annex E Sample Ordinance Adopting NFPA59 Annex F Informational References

This code shall apply to the design, construction, location, installation, operation, and maintenance of refrigerated and nonrefrigerated utility gas plants including LP-Gas containers, piping, and associated process equipment, and controls and fire protection. Coverage begins at: (A) The point of transfer when delivery is by cargo tank vehicle or railcar.