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3306.2.1 Pipe Cleaning and Purging
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The cleaning and purging of flammable gas piping systems, including cleaning new or existing piping systems, purging piping systems into service and purging piping systems out of service, shall comply with NFPA 56.
Related Code Sections
3306.2.1 Fire Safety During Construction and Demolition, Pipe Cleaning and Purging
The cleaning and purging of flammable gas piping systems, including cleaning new or existing piping systems, purging piping systems into service ...
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3504.1.7 Welding and Other Hot Work, Precautions in Hot Work
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