根据建设部建标［１９９７］１０８号文要求，由公安部天津消防科学研究所会同有关单位共同完成的《二氧化碳灭火系统设计规范》局部修订送审稿，于１９９９年在西安市通过审查。该规范局部修订稿主要增加了低压二氧化碳灭火系统设计的有关要求，并进一步体现了该规范的先进性 According to the requirements of the Ministry of Construction, Jianbiao [1997] No. 108, the “Code for Design of a Fire Extinguishing System” jointly completed by the Tianjin Fire Science Institute of the Ministry of Public Security with the relevant agencies was partially revised and submitted for review, and passed the examination in Xi’an in 1999. The revised part of the specification mainly adds the relevant requirements for the design of low-pressure carbon dioxide fire extinguishing systems and further reflects the advanced nature of the code