Singapore legislation
Schedule 1
of Sewerage and Drainage (Protection of Public Sewerage System) Regulations 2017
Schedule 1
Public sewer corridor
FIRST SCHEDULERegulation 2Public sewer corridorWhere “X” is the distance of each of Plane 1 and Plane 2 from the centreline of a sewer, main or pipe and is —
(a)
in the case of a sewer which is part of the Deep Tunnel Sewerage System, 40 metres;
(b)
in the case of a sewer, main or pipe with a diameter equal to or larger than 900 millimetres, 20 metres; and
(c)
in the case of a sewer, main or pipe with a diameter less than 900 millimetres, 10 metres.