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NFPA 56 2020

$96.42

NFPA 56: Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems

Published By Publication Date Number of Pages
NFPA 2020 61
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Help ensure you and your team are up to date with the latest safety criteria for flammable gas piping system cleaning and purging procedures. There are significant risks of injury and loss if proper protocols are not adhered to when cleaning and purging piping systems used for transporting flammable substances. Originally developed at the request of the U.S. Chemical Safety Board (CSB) in recognition of the inherent dangers, NFPA 56, Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems, 2020 edition, offers essential requirements for developing safe operating procedures. This standard is the industry benchmark for helping safeguard personnel and facilities from risks of fire and explosions during pipe system maintenance. From notifying and training personnel involved in cleaning and purging operations to identifying a safe discharge point and preventing the development of a flammable gas mixture in occupied areas, NFPA 56 provides information and requirements that everyone at your facility can apply to better avoid incidents and help protect lives and property. Provisions apply to electric-generating plants and in industrial, institutional, and commercial applications including: Cleaning new or existing piping systems Purging piping systems into service Purging piping systems out of service The 2020 edition features critical updates that may impact your work and the safety of your facility. The revised NFPA 56 offers comprehensive requirements for acceptable safety protocols for charging and evacuating flammable gas piping systems. The standard is updated to reflect the most current industry knowledge and best practices. Notable changes include: Further specification to where the standard is not applicable, including gas-consuming equipment and gathering lines from well pads to gas processing facilities, because these systems are addressed in other publications; and well padding systems, because of the complexity and range of issues that make NFPA 56 inadequate for this type of application Revised cleaning and purging activities in Chapter 4 Added associated guidance information in Annex A to address gaps within requirements that were identified in the previous edition Added guidance information to Annex A to provide guidelines for the development of an emergency response plan (ERP), assist in developing a comprehensive training program, and verify that personnel can perform their duties prior to the start of the cleaning or purging activity Updated extracts from other NFPA documents to the latest revisions of their source documents Revised information in Annex B extracted from the AGA Purging Manual to be consistent with the latest edition of the publication Get the knowledge to help make the right decisions and establish practices for maximizing safety.

PDF Catalog

PDF Pages PDF Title
2 Important Notices and Disclaimers
3 Additional Important Notices and Disclaimers
8 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Coordination.
1.4 Retroactivity.
1.5 Equivalency.
9 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.
10 Chapter 4 General Requirements
4.1 Piping System Construction.
4.2 Temperature and Pressure.
4.3 Notification of Hazards.
4.4 Cleaning and Purging Procedures.
11 4.5 Safety Validation.
4.6 Management of Change.
12 4.7 Documentation.
4.8 Notification of Hazards.
4.9 Evacuation of Affected Area.
4.10 Segment Cleaning.
4.11 Hangers and Supports.
4.12 Nonflammable Atmosphere.
4.13 Utility Coordination.
4.14 Restricted Access.
4.15 Hot Work Safety.
Chapter 5 Training Requirements
5.1 Training.
Chapter 6 Cleaning
6.1 Cleaning of Flammable Gas Piping.
6.2 Cleaning Media.
13 6.3 Temporary Power/Fuel Supply.
6.4 Temporary Piping (Including Hose Assemblies).
6.5 Pig Cleaning.
6.6 Target.
6.7 Isolation and Protection of Clean Piping Systems or Segments.
Chapter 7 Purging into Service
7.1 Charging Piping System with Flammable Gas.
7.2 Discharge of Purged Gases.
14 7.3 Detection Equipment.
Chapter 8 Purging Out of Service
8.1 Isolation.
8.2 Charging with Inert Gas.
8.3 Discharge of Purged Gases.
8.4 Detection Equipment.
Annex A Explanatory Material
27 Annex B Purge End Points for Common Flammable Gases
33 Annex C Sample Purge Procedure
54 Annex D Informational References
NFPA 56 2020
$96.42