Design Standard of Common Duct Article 6

The distance between common duct’s exterior wall and right of way shall not be less than one (1) meter. However, in case of road alignment change or width limitation of the sidewalk, necessary adjustment may be made upon approval of the competent authority.
中文原文 共同管道工程設計標準第6條
共同管道外壁距離私有地界不得小於一公尺。
但因道路線形變化或人行道寬度限制等特殊情況,經主管機關核可,得做必要之調整。

English translation for reference only; the Chinese text prevails. Not legal advice.