本规范涵盖天然气运输管道设施的设计、制造、安装、检验和测试。本规范还涵盖了这些设施的操作和维护的安全方面。本规范仅涉及液化石油气汽化和用作气体燃料时的某些安全方面。NFPA 58和NFPA 59以及本规范中有关管道设施设计、施工、操作和维护的所有要求应适用于处理丁烷、丙烷或这些气体混合物的管道系统。

This Code covers the design, fabrication, installation, inspection, and testing of pipeline facilities used for the transportation of gas. This Code also covers safety aspects of the operation and maintenance of those facilities.This Code is concerned only with certain safety aspects of liquefied petroleum gases when they are vaporized and used as gaseous fuels. All of the requirements of NFPA 58 and NFPA 59 and of this Code concerning design, construction, and operation and maintenance of piping facilities shall apply to piping systems handling butane, propane, or mixtures of these gases.