Sewerage and Drainage Act
(Chapter 294, Sections 51 and 74)
Sewerage and Drainage (Sanitary Works and Sewerage Works) Regulations
Rg 2
G.N. No. S 167/1999

REVISED EDITION 2007
(15th May 2007)
[1st April 1999]
PART I
PRELIMINARY
Citation
1.  These Regulations may be cited as the Sewerage and Drainage (Sanitary Works and Sewerage Works) Regulations.
[S 165/2018 wef 01/04/2018]
Definitions
2.  In these Regulations, unless the context otherwise requires —
“architect” means an individual who is registered as an architect under the Architects Act (Cap. 12) and who has in force a practising certificate issued under that Act;
[S 165/2018 wef 01/04/2018]
“Code of Practice” means the Code of Practice on Sewerage and Sanitary Works issued under section 32 of the Act;
“common property” has the same meaning as in the Land Titles (Strata) Act (Cap. 158);
“discharge pipe” means a pipe that enables any sewage or sullage water to be conveyed from a sanitary appliance or floor trap to a drain‑line;
[S 165/2018 wef 01/04/2018]
“discharge stack” means a main vertical discharge pipe that extends through at least one storey with or without offsets;
[S 165/2018 wef 01/04/2018]
“professional engineer” means an individual who is registered as a professional engineer under the Professional Engineers Act (Cap. 253) and who has in force a practising certificate issued under that Act;
[S 165/2018 wef 01/04/2018]
“sanitary drainage system” means a network of drain-lines including any waste sump, inspection chamber and any other related appurtenance;
[S 165/2018 wef 01/04/2018]
“sanitary plumbing system” means a network of discharge pipes including any discharge stack, ventilating pipe, ventilating stack, floor trap, pump, fitting and any other related appurtenance;
[S 165/2018 wef 01/04/2018]
[Deleted by S 165/2018 wef 01/04/2018]
“ventilating pipe” means a pipe provided to limit the pressure fluctuations within any discharge pipe;
[S 165/2018 wef 01/04/2018]
“ventilating stack” means a main vertical ventilating pipe that extends through at least one storey with or without offsets.
[S 165/2018 wef 01/04/2018]