Be on high alert for scam websites selling Singapore Standards. Toppan Leefung is the appointed vendor for the sale of Singapore Standards on behalf of Enterprise Singapore. Our official website address is If in doubt, please contact us at Tel: 6826 9685 / 6826 9680 or Email:

SS 657:2020 (Redline)

Code of practice for workplace noise control


Gives provisions for risk assessment, monitoring and control of workplace noise. Is applicable to all workplaces where persons are exposed or likely to be exposed to excessive noise.

Does not cover community noise and environmental noise such as noise from construction, public entertainment and transportation. For environmental noise control at construction and demolition sites, refer to SS 602.


A Redline version of the document shows changes from the previous edition marked in colour. With the Redline you can quickly spot changed sections and tell specifically what has been changed from the previous edition, saving time and avoiding confusion.


Status Current
Edition 2020 (Redline)
No. of Pages 143
ICS Classification 13.140 Noise with respect to human beings
Committee Quality and Safety Standards Committee
Available for Purchase Global
Adoption : 0