Singapore legislation
Schedule 1
of Public Utilities (Protection of Water Pipes Infrastructure) Regulations 2017
Schedule 1
Water pipe corridor
FIRST SCHEDULERegulation 2Water pipe corridor1.—
Where “X” is the distance of each of Plane 1 and Plane 2 from the centreline of the water pipe and is —
in the case of a water pipe with a diameter that is less than 900 millimetres, 10 metres;
in the case of a water pipe with a diameter that is equal or more than 900 millimetres, 20 metres; and
in the case of a pipe tunnel or a tunnelled mains, 40 metres.(2) In paragraph (1) —“pipe tunnel” means a passage that is built under or above ground for the purpose of carrying utility lines such as water supply pipes and sewer pipes;“tunnelled main” means a pipe that is constructed by manual or mechanical tunnelling.