Singapore legislation
Regulation 3
of Sewerage and Drainage (Protection of Public Sewerage System) Regulations 2017
Regulation 3
Meaning of “specified activity”
In these Regulations, “specified activity” means one or more of the following activities:
the carrying out of any earthwork for site formation, whether by excavation, filling or backfilling; (b)the excavation of any trench, well, pond or pool, or excavation for any underground structure which is more than 0.5 metre in depth;
the excavation of earth, rock or other material by means of explosives;
the carrying out of any ground exploratory or testing work, including through soil boreholes and geological surveys;
the installation of any foundation, sheet pile, piled foundation, earth retaining or stabilising structure, ground anchor, horizontal tie‑back, or any other similar installation;
the carrying out of any ground stabilising work, including jet grouting, soil compacting and ground freezing;
the carrying out of any tunnelling, excavation work or jacking work;
the erection of any temporary or permanent structure, including any site office or showflat;
the installation of any heavy construction machine or plant, including the stacking and installation of any concrete block for pile testing;
the installation of any container box.