NFPA 58: Liquefied Petroleum Gas Code

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Item #: NFPA_58
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2014 NFPA 58 Code Formats Available

2014 NFPA 58 Handbook Formats Available
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NFPA 58: Liquefied Petroleum Gas Code provides minimum safety requirements for all liquefied petroleum gas (propane) installations, from small cylinders installed at residences to large bulk storage facilities that can exceed 100,000 gallons.

The code includes minimum requirements for safe handling during LP gas transfer, including operator qualifications, maximum filling quantity in containers, and pre-transfer inspections to ensure containers are fit for continued service.

This edition of NFPA 58 features some important changes, including:

  • Bulk plant and industrial plant definitions have been updated to clearly identify storage threshold at greater than 4,000 gallons water capacity.
  • Container appurtenance requirements have been harmonized at 4,000 and less/greater than 4,000 gallons water capacity to better reflect container usage in the field.
  • Container and valves often must be protected from vehicular impact. A new definition has been added along with extensive annex material to describe vehicular barrier protection.
  • New requirements specify which personnel must be trained and in what topics.
  • Requirements have been added for tank heaters and updated for vaporizers.
  • Requirements have been added regarding corrosion protection for some underground piping systems.

NFPA 58 also covers a number of safety requirements related to:

  • Container construction
  • Piping design
  • Separation of containers from homes, stores, schools and other important buildings
  • Safe handling of liquefied petroleum gas during transfer between containers

Order NFPA 58 today to protect the homes, businesses and industrial settings you work on from leaks and explosions. (Softbound, 133 pp., 2014)

NFPA® 58 Liquefied Petroleum Gas Code, 2014 Edition

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

Chapter 5 LP-Gas Equipment and Appliances

5.1 Scope
5.2 Containers
5.3 Reserved
5.4 Reserved
5.5 Reserved
5.6 Reserved
5.7 Container Appurtenances and Regulators
5.8 Regulators and Regulator Vents
5.9 Piping (Including Hose), Fittings, and Valves
5.10 Reserved
5.11 Internal Valves (Reserved)
5.12 Valves Other Than Container Valves
5.13 Hydrostatic Relief Valves
5.14 Reserved
5.15 Reserved
5.16 Reserved
5.17 Equipment
5.18 Reserved
5.19 Reserved
5.20 Appliances
5.21 Vaporizers, Tank Heaters, Vaporizing Burners, and Gas–Air Mixers
5.22 Vehicle Fuel Dispensers

Chapter 6 Installation of LP-Gas Systems

6.1 Scope
6.2 Location of Containers
6.3 Container Separation Distances
6.4 Other Container Location Requirements
6.5 Location of Transfer Operations
6.6 Installation of Containers
6.7 Installation of Container Appurtenances
6.8 Regulators
6.9 Piping Systems
6.10 Remote Shutoff Actuation
6.11 Internal Valves
6.12 Emergency Shutoff Valves
6.13 Hydrostatic Relief Valve Installation
6.14 Testing New or Modified Piping Systems
6.15 Leak Check for Vapor Systems
6.16 Installation in Areas of Heavy Snowfall
6.17 Corrosion Protection
6.18 Equipment Installation
6.19 Bulk Plant and Industrial Plant LP-Gas Systems
6.20 LP-Gas Systems in Buildings or on Building Roofs or Exterior Balconies
6.21 Installation of Appliances
6.22 Vaporizer Installation
6.23 Ignition Source Control
6.24 LP-Gas Systems on Vehicles (Other Than Engine Fuel Systems)
6.25 Vehicle Fuel Dispenser and Dispensing Stations
6.26 Containers for Stationary Engines
6.27 Fire Protection
6.28 Alternate Provisions for Installation of ASME Containers

Chapter 7 LP-Gas Liquid 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 Equipment Installation
11.12 Marking
11.13 Industrial (and Forklift) Trucks Powered by LP-Gas
11.14 General Provisions for Vehicles Having Engines Mounted on Them (Including Floor Maintenance Machines)
11.15 Engine Installation Other Than on Vehicles
11.16 Garaging of Vehicles

Chapter 12 Refrigerated Containers

12.1 Construction and Design of Refrigerated Containers
12.2 Marking on Refrigerated LP-Gas Containers
12.3 Container Installation
12.4 Refrigerated LP-Gas Container Instruments and Controls
12.5 Refrigerated LP-Gas Container Impoundment
12.6 Inspection and Testing of Refrigerated LP-Gas Containers and Systems
12.7 Container Siting
12.8 Relief Devices

Chapter 13 Marine Shipping and Receiving

13.1 Scope
13.2 Piers
13.3 Pipelines
13.4 Inspections Prior to Transfer

Chapter 14 Operations and Maintenance

14.1 Scope
14.2 Operating Requirements
14.3 Maintenance

Chapter 15 Pipe and Tubing Sizing Tables

15.1 Sizing Pipe and Tubing

Annex A Explanatory Material
Annex B Properties of LP-Gases
Annex C Design, Construction, and Requalification of DOT (ICC) Cylinders
Annex D Design of ASME and API-ASME Containers
Annex E Pressure Relief Devices
Annex F Liquid Volume Tables, Computations, and Graphs
Annex G Wall Thickness of Copper Tubing
Annex H Procedure for Torch Fire and Hose Stream Testing of Thermal Insulating Systems for LP-Gas Containers
Annex I Container Spacing
Annex J Sample Ordinance Adopting NFPA 58
Annex K Burial and Corrosion Protection for Underground and Mounded ASME Containers
Annex L Suggested Methods of Checking for Leakage
Annex M Informational References
Index

NFPA®'s Redline PDF contains both the current NFPA document and a Redline version of the document which shows changes from the previous edition marked in color. With the Redline you can quickly spot changed sections and tell specifically what has been changed from the previous edition, saving time and confusion.

  • Changed sections are marked with a vertical rule.
  • Deleted material is shown in red strikethrough type.
  • New material appears in blue underscored type.

 

Sample (NEC® 2014)

411.2411.3 Definition. Low-Voltage Lighting Systems.

 

(A) General. Lighting Ssystems Ooperating at 30 Volts- volts or  Less. A lighting system consisting less shall consist of an isolating power supply, the low-voltage luminaires, and associated equipment that are all identified for the use. The output circuits of the power supply are shall be rated for not more than 25 amperes and  operate at 30 volts (42.4 volts peak) or lessmaximum under all load conditions.

 

(B) Class 2. Listed Class 2 lighting equipment shall be rated in conformance with Chapter 9, Table 11(A) or Table 11(B).

 

411.3411.4 Listing Required. Lighting systems operating at 30 volts or less shall comply with 411.3(A)411.4(A) or 

411.3(B).411.4(B). Class 2 power sources and lighting equipment connected to Class 2 power sources shall be llisted.