No. S 167
Sewerage and Drainage Act 1999
(Act 10 of 1999)
Sewerage and Drainage (Sanitary Works) Regulations 1999
In exercise of the powers conferred by sections 73 and 75 of the Sewerage and Drainage Act 1999, the Minister for the Environment hereby makes the following Regulations:
PART I
PRELIMINARY
Citation and commencement
1.  These Regulations may be cited as the Sewerage and Drainage (Sanitary Works) Regulations 1999 and shall come into operation on 1st April 1999.
Definitions
2.  In these Regulations, unless the context otherwise requires —
“Code of Practice” means the Code of Practice on Sanitary Plumbing and Drainage System issued under section 33 of the Act;
“discharge pipe” means a pipe which conveys the discharges from a sanitary appliance or a floor trap;
“discharge stack” means a main vertical discharge pipe;
“sanitary drainage system” means a network of underground pipes comprising drain-lines, branch drain-lines, fittings and inspection chambers for the conveyance of sewage within any premises to a sewerage system;
“sanitary plumbing system” means a system of sanitary pipework above the ground comprising one or more discharge pipes, discharge stacks, ventilating pipes, ventilating stacks and fittings for the conveyance of sewage from premises to a sanitary drainage system;
“sanitary works” include works on any sanitary plumbing system or sanitary drainage system and the fixing, alteration and repair of a sanitary appliance, and other works connected therewith;
“ventilating pipe” means a pipe provided to limit the pressure fluctuations within any sanitary plumbing system;
“ventilating stack” means a main vertical ventilating pipe.

Made this 30th day of March 1999.

TAN GEE PAW
Permanent Secretary,
Ministry of the Environment,
Singapore.
[ENV/LD/CF/39/3 Vol. 2; AG/LEG/SL/348/98/1/Vol. 1]
(To be presented to Parliament under section 75(2) of the Sewerage and Drainage Act 1999).