PART 3
duties concerning regulated works
and WSI design works
Division 1 — Definitions
Definitions of this Part
9.  In this Part —
“notifiable sanitary works” means the sanitary works specified in the Second Schedule;
“working day” means any day other than a Saturday, Sunday or public holiday.
Division 2 — General duties
Duty to notify Board of wastage, pollution or contamination of water supplied by Board
10.—(1)  A licensed plumber or professional engineer must, in the course of any specified activity or inspecting any water service installation, notify the Board of any water service installation that is causing or likely to cause any of the following:
(a)wastage, pollution or contamination of water supplied by the Board;
(b)pollution or contamination of piped water suitable for drinking supplied by an approved person.
[S 154/2019 wef 25/03/2019]
(2)  In this regulation, “specified activity” means —
(a)in relation to a licensed plumber — carrying out, or directly supervising the carrying out of, any limited WSI design works or WSI works; and
(b)in relation to a professional engineer — carrying out any WSI design works.
Duty to notify of failure to comply
11.—(1)  Where a licensed plumber or professional engineer mentioned in paragraph (2) is for any reason unwilling or unable to carry out any of his or her duties under this Part, the licensed plumber or professional engineer (as the case may be) must notify the Board in writing of such fact within 14 days after he or she stops carrying out any such duty.
(2)  For the purposes of paragraph (1), the following are the licensed plumber and professional engineer concerned:
(a)a licensed plumber who is engaged by an owner or occupier under section 40G(5) of the Act to carry out any sanitary works or WSI works;
(b)a licensed plumber or professional engineer who is engaged by an owner or occupier under section 40G(6) of the Act to carry out any limited WSI design works;
(c)a professional engineer who is engaged by an owner or occupier under section 40H(1) of the Act to carry out any WSI design works that are not limited WSI design works.
Division 3 — Duties of licensed plumbers
Duty to submit notices before start of certain works
12.—(1)  This regulation applies in relation to —
(a)any WSI works that may result from any limited WSI design works carried out by —
(i)a licensed plumber; or
(ii)an individual acting under the direct supervision of a licensed plumber,
but not if any such WSI works —
(iii)are specified in the PUB S&R Standard and are carried out on any water service installation that is downstream of a meter that is not a master meter; or
(iv)consist only of repairing or replacing one or more defective or leaking pipes and must be carried out urgently to prevent or stop water wastage; and
[S 746/2021 wef 01/11/2021]
(b)any notifiable sanitary works.
(2)  For the purposes of section 40O(1)(b)(i) of the Act, every licensed plumber must submit to the Board a written notice under paragraph (3) —
(a)in respect of any WSI works mentioned in paragraph (1)(a) — before the start of those works; and
(b)in respect of any notifiable sanitary works — not less than 7 working days before the start of those works.
(3)  The written notice must —
(a)be in such form and manner as the Board may require; and
(b)be accompanied by one or more plans showing the particulars of those works, including any drawing, diagram or calculation concerning such works.
(4)  In this regulation, “PUB S&R Standard” means the document known as “PUB’s Stipulation of Standards & Requirements for Water Fittings for Use in Potable Water Service Installations” published by the Board, as in force from time to time.
[S 746/2021 wef 01/11/2021]
Duty to submit certificates of satisfactory completion
13.—(1)  This regulation applies in relation to —
(a)any WSI works that may result from any limited WSI design works carried out by —
(i)a licensed plumber; or
(ii)an individual acting under the direct supervision of a licensed plumber; and
(b)any notifiable sanitary works.
[S 746/2021 wef 01/11/2021]
(2)  For the purposes of section 40O(1)(b)(ii) of the Act, every licensed plumber who completes any works mentioned in paragraph (1)(a) or (b) must, in respect of the works and not later than 7 working days after completing the works, submit to the Board a certificate of satisfactory completion in accordance with paragraph (3).
[S 746/2021 wef 01/11/2021]
(3)  The certificate of satisfactory completion must —
(a)be submitted in such form and manner as the Board may require;
(b)be accompanied by any plan or other document as the Board may require to satisfy the Board that the WSI works and notifiable sanitary works are completed in accordance with the requirements imposed by or under the Act, or by or under the Sewerage and Drainage Act (Cap. 294), as the case may be; and
(c)in the case of completed WSI works, contain a certification by the licensed plumber that the water service installation to which those works relate is watertight and is suitable for conveying piped water suitable for drinking.
[S 154/2019 wef 25/03/2019]
Duty to comply with Board’s direction
14.—(1)  The Board may, after receiving a written notice from a licensed plumber under regulation 12, give a direction under paragraph (3) to the licensed plumber.
(2)  The Board may, after receiving a certificate of satisfactory completion from a licensed plumber under regulation 13 in respect of any WSI works or notifiable sanitary works —
(a)inspect those works; and
(b)following the inspection of such works, give a direction under paragraph (3) to the licensed plumber.
(3)  A direction under paragraph (1) or (2) —
(a)may require the licensed plumber to do, or to refrain from doing, such things as are specified in the direction or are of a description specified in the direction;
(b)may be verbal or in writing;
(c)is to take effect at such time, being the earliest practicable time, as is determined by or under that direction; and
(d)may be revoked at any time by the Board.
(4)  Every licensed plumber must comply with a direction of the Board given to him or her under this regulation.
Division 4 — Duties of professional engineers
Duty to submit notices before start of WSI works
15.—(1)  This regulation applies in relation to any WSI works that may result from any WSI design works carried out by a professional engineer.
(2)  For the purposes of section 40P(1)(b)(i) of the Act, every professional engineer must, before the start of any WSI works mentioned in paragraph (1), submit to the Board a written notice —
(a)in such form and manner as the Board may require; and
(b)accompanied by one or more plans showing the particulars of those works, including any drawing, diagram or calculation concerning such works.
Duty to submit certificates of satisfactory completion
16.—(1)  This regulation applies to WSI works mentioned in regulation 15 where completed.
(2)  For the purposes of section 40P(1)(b)(ii) of the Act, every professional engineer must, without delay after the completion of the WSI works, submit to the Board a certificate of satisfactory completion —
(a)in such form and manner as the Board may require; and
(b)with a certification by the professional engineer that —
(i)the WSI works carried out on a water service installation (called in this paragraph the relevant water service installation) are in compliance with the requirements imposed by or under the Act;
(ii)the relevant water service installation, and its associated electrical devices and equipment, have been tested and are safe and acceptable for operation; and
(iii)the relevant water service installation has been tested to be watertight and is fit to convey piped water suitable for drinking.
[S 154/2019 wef 25/03/2019]