ANSI ASC GPTC Z380 - Gas Piping Technology

The American Gas Association serves as the secretariat to the Accredited Standards Committee (ASC) Z380, Gas Piping Technology Committee. The GPTC develops and publishes ANSI Z380.1, Guide for Gas Transmission, Distribution and Gathering Piping Systems. 

2015 Edition and Addenda
Guide for Gas Transmission, Distribution, and Gathering Piping System, ANSI GPTC Z380.1-2015

  • Addendum 1-2015
  • Addendum 2-2015
  • Addendum 3-2015
  • Addendum 4-2015
  • Addendum 5-2015
  • Addendum 6-2015
  • Addendum 7-2015
  • Addendum 8-2015

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Reports and Position Papers
Download the GPTC technical report, GPTC position paper, reports referenced in the Guide and PHMSA interpretations resulting from GPTC requests

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