Standards for Establishing Places for Manufacturing, Storing, Processing Public Hazardous Substances and Flammable Pressurized Gases, and Regulations on Safety Control of such Places Article 67
The exterior wall or the outer side of facilities equivalent to an exterior wall at the flammable pressurized gas storage place shall be kept a safety distance as listed below from Class 1 and Class 2 Objects under Protection located outside the place:（Attachment F）However, the safety distance from Class 1 and Class 2 Objects under Protection may be reduced to such as specified in the list below if explosion proof wall or a protection equivalent or better than such wall is provided to the storage place referred in the preceding paragraph:（Attachment G）The central regulating authorities shall specify the directions for the explosion proof wall as referred in the preceding paragraph.Article 67：Attachment F、G.PDF
中文原文 公共危險物品及可燃性高壓氣體製造儲存處理場所設置標準暨安全管理辦法第67條
可燃性高壓氣體儲存場所，其外牆或相當於該外牆之設施外側，與場外第一類及第二類保護物之安全距離如下：┌─────────────┬─────┬──────┬───┐│儲存面積（Y）單位：平│0≦Ｙ＜8│8≦Ｙ＜25│25≦Ｙ││方公尺│││││安全距離單位：公尺│││││對象物││││├─────────────┼─────┼──────┼───┤│第一類保護物│9√2│4.5√Y│22.5│├─────────────┼─────┼──────┼───┤│第二類保護物│6√2│3√Y│15│└─────────────┴─────┴──────┴───┘前項儲存場所設有防爆牆或同等以上防護性能者，其與第一類保護物及第二類保護物安全距離得縮減如下：┌─────────────┬─────┬──────┬───┐│儲存面積（Y）單位：平│0≦Ｙ＜8│8≦Ｙ＜25│25≦Ｙ││方公尺│││││安全距離單位：公尺│││││對象物││││├─────────────┼─────┼──────┼───┤│第一類保護物│0│2.25√Y│11.25│├─────────────┼─────┼──────┼───┤│第二類保護物│0│1.5√Y│7.5│└─────────────┴─────┴──────┴───┘前項防爆牆之基準，由中央主管機關定之。