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 636-A4:2018

Code of practice for water services


Deals with services for the supply of potable water to all residential, commercial and industrial buildings/premises. Scope extends from the Authority’s water supply to the point where the water is drawn off for use, including storage. Does not cover all aspects of services for the supply of water for firefighting.


The Redline version of this standard is available. Click here to know more or purchase a copy.

(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 2018
No. of Pages 60
ICS Classification 91.140.60 Water supply systems
Committee Building and Construction Standards Committee
Available for Purchase Global
Adoption : 0