NFPA 56 PDF

Get up to date and in compliance with the latest safety criteria for flammable gas piping system cleaning and purging procedures.

NFPA 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. 

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