Workplace Safety and Health (General Provisions) Regulations

Workplace Safety and Health Act

(Chapter 354A, Section 65)

Rg 1

G.N. No. S 134/2006

REVISED EDITION 2007

(1st October 2007)

[1st March 2006]

PART I

PRELIMINARY

Citation

1. These Regulations may be cited as the Workplace Safety and Health (General Provisions) Regulations.

Definitions

2. In these Regulations, unless the context otherwise requires —

“combustible dust” means any finely divided combustible particulate solid that may present a flash fire hazard or an explosion hazard, when suspended either in air or in a process-specific oxidising medium, and includes any Fourth Schedule dust;

[S 930/2024 wef 01/01/2025]

“competent person” means a person who has sufficient experience and training to perform the work required to be carried out, and has passed such courses as the Commissioner may require for that work;

“electrical equipment” —

(a)	means any machine, appliance, apparatus or lighting fitting which consumes or utilises electricity in its operation or use; and
(b)	includes any cable, wire and other device necessary to enable it to be connected to a source of electricity supply;

“Fourth Schedule dust” means combustible dust derived from any substance specified in the first column of Part 1, 2, 3 or 4 of the Fourth Schedule;

[S 930/2024 wef 01/01/2025]

[Deleted by S 517/2011 wef 10/09/2011]

“hazardous substance” means any hazardous substance specified in Part II of the Fifth Schedule to the Act;

“organic combustible dust” means combustible dust derived from any organic substance, including but not limited to any substance specified in the first column of Part 1 of the Fourth Schedule;

[S 930/2024 wef 01/01/2025]

“PEL (Long Term)” means the permissible exposure level over an 8-hour working day and a 40-hour work week;

“PEL (Short Term)” means the permissible exposure level over a 15-minute period during any working day;

“permissible exposure level” means the maximum time weighted average concentration of a toxic substance to which any person may be exposed;

“plant” means any machinery, vessel, pipe or other apparatus or combination thereof which is connected or used for the purpose of making a product;

“safe working load” means —

(a)	the safe working load specified in the certificate of test and examination obtained for the purposes of regulation 19, 20 or 21; or
(b)	where there is no such certificate, the safe working load as ascertained by an authorised examiner;

“safe working pressure” means the pressure specified in the report of examination referred to in regulation 28, 29 or 31;

“tank” includes any pipe and valve thereof and all its fittings and attachments;

“threshold quantity”, in relation to any combustible dust derived from a substance specified in the first column of Part 1, 2, 3 or 4 of the Fourth Schedule, means the quantity of such combustible dust specified in the second column of that Part;

[S 930/2024 wef 01/01/2025]

“time weighted average concentration” means the concentration determined by adding together the products of each concentration and the corresponding time over which that concentration was measured, and dividing the sum by the total time over which the measurements were taken;

“toxic substance” means any substance which may cause irritation, bodily injury or any harmful effect to a person through ingestion, inhalation or contact with any body surface, and includes any substance specified in the First Schedule;

“transmission machinery” means every shaft, wheel, drum, pulley, system of fast and loose pulleys, coupling, clutch, driving-belt or other device by which the motion of a prime mover is transmitted to or received by any machine or appliance.

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