NFPA 58®: LP-Gas Code Handbook, 2020 Edition
Preface
About the Editors
NFPA 58 Summary of Technical Changes: 2017-2020
NFPA 58, Liquefied Petroleum Gas Code,
with Commentary
Chapter 1 Administration
1.1 Scope
1.2 Purpose (Reserved)
1.3 Application
1.4 Retroactivity
1.5 Equivalency
1.6 Units and Formulas (Reserved)
1.7 Enforcement
Chapter 2 Referenced Publications
2.1 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 Requirements
4.1 Acceptance of Equipment and Systems
4.2 LP-Gas Odorization
4.3 Notification of Installations
4.4 Qualification of Personnel
4.5 Ammonia Contamination
4.6 Minimum Requirements
4.7 Portable Fire Extinguisher
4.8 Fire Resistance Rating
4.9 Noncombustible material
Chapter 5 LP-Gas Equipment and Appliances
5.1 Scope
5.2 Containers
5.3 Reserved
5.4 Reserved
5.5 Reserved
5.6 Containers with Attached Supports
5.7 Reserved
5.8 Reserved
5.9 Container Appurtenances
5.10 Regulators and Regulator Vents
5.11 Piping (Including Hose), Fittings, and Valves
5.12 Reserved
5.13 Internal Valves (Reserved)
5.14 Valves Other Than Container Valves
5.15 Hydrostatic Relief Valves
5.16 Reserved
5.17 Reserved
5.18 Reserved
5.19 Reserved
5.20 Equipment
5.21 Reserved
5.22 Reserved
5.23 Appliances
5.24 Vaporizers, Tank Heaters, Vaporizing Burners, and Gas-Air Mixers
5.25 Reserved
5.26 Reserved
5.27 Vehicle Fuel Dispensers
Chapter 6 Installation of LP-Gas Systems
6.1 Scope
6.2 Location of Containers
6.3 Location of Containers Not Connected for Use
6.4 Container Separation Distances
6.5 Other Container Location Requirements
6.6 Installation of Containers with Attached Supports
6.7 Location of Transfer Operations
6.8 Installation of Containers
6.9 Installation of Container Appurtenances
6.10 Regulators
6.11 Piping Systems
6.12 Remote Shutoff Actuation
6.13 Internal Valves
6.14 Emergency Shutoff Valves
6.15 Hydrostatic Relief Valve Installation
6.16 Testing New or Modified Piping Systems
6.17 Leak Check for Vapor Systems
6.18 Installation in Areas of Heavy Snowfall
6.19 Corrosion Protection
6.20 Equipment Installation
6.21 Bulk Plant and Industrial Plant LP-Gas Systems
6.22 LP-Gas Systems in Buildings or on Building Roofs or Exterior Balconies
6.23 Installation of Appliances
6.24 Vaporizer Installation
6.25 Ignition Source Control
6.26 LP-Gas Systems on Vehicles (Other Than Engine Fuel Systems)
6.27 Vehicle Fuel Dispenser and Dispensing Systems
6.28 Containers for Stationary Engines
6.29 Fire Protection
6.30 Alternative Provisions for Installation of ASME Containers
Chapter 7 LP-Gas Transfer
7.1 Scope
7.2 Operational Safety
7.3 Venting LP-Gas to Atmosphere
7.4 Quantity of LP-Gas in Containers
Chapter 8 Storage of Cylinders Awaiting Use, Resale, or Exchange
8.1 Scope
8.2 General Provisions
8.3 Storage Within Buildings
8.4 Storage Outside of Buildings
8.5 Fire Protection and Electrical Area Classification
8.6 Automated Cylinder Exchange Stations
Chapter 9 Vehicular Transportation of LP-Gas
9.1 Scope
9.2 Electrical Requirements
9.3 Transportation in Portable Containers
9.4 Transportation in Cargo Tank Vehicles
9.5 Trailers, Semitrailers, and Movable Fuel Storage Tenders, Including Farm Carts
9.6 Transportation of Stationary Containers to and from Point of Installation
9.7 Parking and Garaging Vehicles Used to Carry LP-Gas Cargo
Chapter 10 Buildings or Structures Housing LP-Gas Distribution Facilities
10.1 Scope
10.2 Separate Structures or Buildings
10.3 Attached Structures or Rooms Within Structures
Chapter 11 Engine Fuel Systems
11.1 Scope
11.2 Training
11.3 Containers
11.4 Container Appurtenances
11.5 Quantity of LP-Gas in Engine Fuel Containers
11.6 Carburetion Equipment
11.7 Piping, Hose, and Fittings
11.8 Installation of Containers and Container Appurtenances
11.9 Installation in Interior of Vehicles
11.10 Pipe and Hose Installation
11.11 Industrial (and Forklift) Trucks Powered by LP-Gas
11.12 General Provisions for Vehicles Having Engines Mounted on Them (Including Floor Maintenance Machines)
11.13 Engine Installation Other Than on Vehicles
11.14 Garaging of Vehicles
Chapter 12 Motor Vehicles Intended for Over-the-Road Use or Designed to Transport Passengers and Are Fueled by LP-Gas
12.1 Scope
12.2 Installation of Components and Systems
12.3 ASME Containers, Materials, and Equipment
12.4 LP-Gas Fuel Systems
12.5 Electrical Installation
12.6 Installation of Pipe, Tubing, and Hose
12.7 Protection of Pipe, Tube, and Hose
12.8 Testing of Piping, Tubing, Hose, and Fittings
12.9 LP-Gas Liquid and Vapor Injectors
12.10 Fuel Rails and Distribution Blocks
12.11 Vaporizer/Regulator Systems
12.12 Fuel Lockoffs
12.13 Servicing, Parking, and Display of Vehicles Indoors
12.14 Commissioning Vehicles
Chapter 13 Refrigerated Containers
13.1 Construction and Design of Refrigerated Containers
13.2 Marking on Refrigerated LP-Gas Containers
13.3 Container Installation
13.4 Refrigerated LP-Gas Container Instruments and Controls
13.5 Refrigerated LP-Gas Container Impoundment
13.6 Inspection and Testing of Refrigerated LP-Gas Containers and Systems
13.7 Container Siting
13.8 Relief Devices
Chapter 14 Marine Shipping and Receiving
14.1 Scope
14.2 Piers
14.3 Pipelines
14.4 Inspections Prior to Transfer
Chapter 15 Operations and Maintenance
15.1 Scope
15.2 Operating Requirements
15.3 Operating Requirements for Bulk
15.4 Plants and Industrial Plants.
15.5 Operations Requirements for Marine Shipping and Receiving
15.6 Maintenance Manuals and Procedures
15.7 Maintenance Procedures for Bulk Plants and Industrial Plants
Chapter 16 Sizing Tables
16.1 Sizing Pipe and Tubing
Annexes
A Explanatory Material
B Properties of LP-Gases
C Design, Construction, and Requalification of DOT (ICC) Cylinders
D Design of ASME and API-ASME Containers
E Pressure Relief Devices
F Liquid Volume Tables, Computations, and Graphs
G Wall Thickness of Copper Tubing
H Procedure for Torch Fire and Hose Stream Testing of Thermal Insulating Systems for LP-Gas Containers
I Container Spacing
J Sample Ordinance Adopting NFPA 58
K Burial and Corrosion Protection for Underground and Mounded ASME Containers
L Suggested Methods of Checking for Leakage
M A Suggested Container Purging Procedure
N Informational References
Index
Important Notices and Legal Disclaimers