2021 NFPA 59 Code - Current Edition
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  • Description

    Get current with the latest criteria for LP-Gas utility plant safety by updating to NFPA 59, 2021 edition.

    Fire, explosions, and other related dangers pose significant risks to utility gas plants with liquefied petroleum gas systems. NFPA 59, Utility LP-Gas Plant Code, works in combination with DOT regulations to provide provisions for constructing and maintaining plants that store and vaporize LP-Gas or LP-Gas–air mixtures for distribution to 10 or more customers.

    This publication is a must-have for designers, facility owners/operators, AHJs and enforcers, and others with concerns for LP-Gas utility plant safety. The code covers general requirements for the design, construction, location, installation, operation, and maintenance of refrigerated and non-refrigerated liquefied petroleum utility gas plants.

    NFPA 59 is a comprehensive resource for helping to protect lives and property from hazards at LP-Gas utility plants.

    The Utility LP-Gas Plant Code helps improve safety and helps ensure compliance with 49 CFR 192, "Transportation of Natural and Other Gas By Pipeline: Minimum Federal Safety Standards."

    The 2021 edition of NFPA 59 is revised to include a table in the retroactivity section to identify the edition in which retroactive requirements were incorporated and the effective dates of those requirements. The code also now states that, whenever purging is conducted, it is to be done in accordance with the American Gas Association’s Purging Manual.

    Help make sure you and your team is ready for the modern challenges of safeguarding LP-Gas plants.

    Place an order for your copy of NFPA 59, 2021 edition today! (Print, 60 pp., 2021)

  • Table of Contents (2021 Current Edition)

    NFPA® 59 Utility LP-Gas Plant Code, 2021 Edition

    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 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 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 Containers
    6.1 Scope.
    6.2 Refrigerated Containers Designed to Operate Below 7 psi (103 kPa) and Above 5000 bbls (800 m3).
    6.3 Refrigerated Containers Designed to Operate Above 15 psi (103 kPa).
    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 Facilities
    8.1 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 Mixers
    9.1 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 Operations
    11.1 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 NFPA 59
    Annex F Informational References
  • 2018 Edition Description

    Prevent fires and explosions. Work with up-to-date safety rules for LP-Gas utility gas plants in the 2018 edition of NFPA 59.

    Used in conjunction with DOT regulations to construct and maintain LPG plants serving 10 or more customers or used to supply LP-Gas-Air mixtures to utility distribution systems, NFPA 59, Utility LP-Gas Plant Code applies to the design, construction, location, installation, operation, and maintenance of refrigerated and non-refrigerated liquefied petroleum gas utility gas plants. Coverage of liquefied petroleum gas systems at utility gas plants extends to the point where LP-Gas or a mixture of LP-Gas and air is introduced into the utility distribution system.

    The 2018 edition of NFPA 59 includes a new statement of purpose, along with changes including:

    • Updated extracts to other codes and standards
    • New and clarified definitions
    • Removal of coverage for vehicular fuel operations because it is out of scope
    • Chapter 6, the refrigerated container chapter, updated to reflect current industry practices and external standard development. Instead of protecting only outside piping from physical damage and corrosion, all piping must now be protected; and it is no longer appropriate to utilize operating malfunctions to detect leaks.
    • Installation of corrosion protection moved from Chapter 12 to Chapter 4
    • New piping cover requirements in Chapter 7
    • The National Board Inspection Code is now used to determine whether or not containers taken out of service for a year can be placed back into service.

    Designers, facility owners/operators, and enforcers need the latest NFPA 59 to ensure compliance with 49 CFR Part 192. Update now and stay up-to-code. (Print, 60 pp., 2018)

  • Prior Editions

    2015 Edition

    Prevent fires and explosions. Work with up-to-date safety rules for LP-Gas utility gas plants in the 2015 edition of NFPA 59.

    Used in conjunction with DOT regulations to construct and maintain LPG plants serving 10 or more customers or used to supply LP-Gas-Air mixtures to utility distribution systems, NFPA 59: Utility LP-Gas Plant Code applies to the design, construction, location, installation, operation, and maintenance of refrigerated and non-refrigerated liquefied petroleum gas utility gas plants. Coverage of liquefied petroleum gas systems at utility gas plants extends to the point where LP-Gas or a mixture of LP-Gas and air is introduced into the utility distribution system.

    The 2015 NFPA 59 includes technical changes that impact most users:

    • Expanded coverage of corrosion control and monitoring in Chapter 12 aligns with federal regulations.
    • Revised method for sizing pressure relief devices for propane installations over 300 psig
    • New specific requirements for ventilation in buildings that house LP-Gas operations clarify the purpose and activation of the ventilation system to prevent the accumulation of flammable gas in the building.
    • Updated and clarified LP-Gas vaporizer requirements help ensure their safe installation and operation.

    The 2015 edition of NFPA 59 is an essential resource.

    Designers, facility owners/operators, and enforcers need NFPA 59 to ensure compliance with 49 CFR Part 192. Update now and stay in compliance. (Softbound, 45 pp., 2015)

     

    Interested in other editions of NFPA 59? Use the drop down menu above to select the edition year you need.

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