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NFPA 56 2023

NFPA 56 2023

$80.71

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 2023 60
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Get up to date and in compliance with the latest safety criteria for flammable gas piping system cleaning and purging procedures. NFPAĀ® 56, Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems, provides comprehensive requirements to help develop safe operating procedures. The 2023 edition is revised to reflect the most current industry knowledge on cleaning new and existing systems, purging piping systems into service, and purging piping systems out of service. Changes to NFPA 56 include: Expanded coverage of the training steps to be included in a training plan and how training should be provided to match the language and vocabulary level of the participants Added criteria on when piping is to be purged out of service as well as when it is to be cleaned Addition of a new annex on the consideration of human factors when purging to help users identify key human factors to consider when purging operations are conducted

PDF Catalog

PDF Pages PDF Title
9 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Coordination.
1.4 Retroactivity.
1.5 Equivalency.
11 Chapter 4 General Requirements
4.1 Piping System Construction.
4.2 Temperature and Pressure.
4.3 Cleaning and Purging Procedures.
12 4.4 Safety Validation.
4.5 Management of Change.
13 4.6 Documentation.
4.7 Notification of Hazards.
4.8 Evacuation of Affected Area.
4.9 Segment Cleaning.
4.10 Hangers and Supports.
4.11 Nonflammable Atmosphere.
4.12 Utility Coordination.
4.13 Restricted Access.
4.14 Hot Work Safety.
Chapter 5 Training Requirements
5.1 Training.
Chapter 6 Cleaning
6.1 Cleaning of Flammable Gas Piping.
6.2 Cleaning Media.
14 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.
15 7.3 Detection Equipment.
Chapter 8 Purging out of Service
8.1 When to Purge out of Service.
8.2 Isolation.
8.3 Charging with Inert Gas.
8.4 Discharge of Purged Gases.
8.5 Detection Equipment.
16 Annex A Explanatory Material
27 Annex B Purge End Points for Common Flammable Gases
34 Annex C Sample Purge Procedure
55 Annex D Human Factors Considerations

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NFPA 56 2023
$80.71