Codes of Practice provide information and requirements to ensure that the safety requirements of the various systems or fittings are being adhered to.

The Singapore Standard SS 636: 2018 - Code of Practice on Water Services can be purchased via the Singapore Standards eShop.

Title	Subject
Permission to Carry Out Works in Public Sewer or Manhole	Sewerage/Sanitary	Download
Requirements for Discharge of Trade Effluent into Public Sewer	Sewerage/Sanitary	Download
Standard Requirements for Abandoning of Disused Sewerage System	Sewerage/Sanitary	Download
Code of Practice on Surface Water Drainage (Seventh Edition - December 2018 With Amendments Under Addendum No. 2 - October 2023)	Drainage	Download
Appendices for Surface Water Drainage	Drainage - Appendices	View More
Standard Drawings for Surface Water Drainage	Drainage - Standard Drawings	View More
Code of Practice on Sewerage and Sanitary Works (2nd Edition - Jan 2019 With Amendments Under Addendum No. 1 - Mar 2021)	Sewerage/Sanitary	Download
Standard Drawings for Sewerage Works	Sewerage - Standard Drawings	View More
Standard Drawings for Sanitary Works	Sanitary - Standard Drawings	View More
Standard Drawings for Water Supply Works	Water Supply - Standard Drawings	View More

Attachment Name Permission to Carry Out Works in Public Sewer or Manhole

Subject Sewerage/Sanitary

Attachment Name Requirements for Discharge of Trade Effluent into Public Sewer

Subject Sewerage/Sanitary

Attachment Name Standard Requirements for Abandoning of Disused Sewerage System

Subject Sewerage/Sanitary

Attachment Name Code of Practice on Surface Water Drainage (Seventh Edition - December 2018 With Amendments Under Addendum No. 2 - October 2023)

Subject Drainage

Attachment Name Appendices for Surface Water Drainage

Subject Drainage - Appendices

Attachment Name Standard Drawings for Surface Water Drainage

Subject Drainage - Standard Drawings

Attachment Name Code of Practice on Sewerage and Sanitary Works (2nd Edition - Jan 2019 With Amendments Under Addendum No. 1 - Mar 2021)

Subject Sewerage/Sanitary

Attachment Name Standard Drawings for Sewerage Works

Subject Sewerage - Standard Drawings

Attachment Name Standard Drawings for Sanitary Works

Subject Sanitary - Standard Drawings

Attachment Name Standard Drawings for Water Supply Works

Subject Water Supply - Standard Drawings

Attachment Name Permission to Carry Out Works in Public Sewer or Manhole

Subject Sewerage/Sanitary

Attachment Name Requirements for Discharge of Trade Effluent into Public Sewer

Subject Sewerage/Sanitary

Attachment Name Standard Requirements for Abandoning of Disused Sewerage System

Subject Sewerage/Sanitary

Attachment Name Code of Practice on Surface Water Drainage (Seventh Edition - December 2018 With Amendments Under Addendum No. 2 - October 2023)

Subject Drainage

Attachment Name Appendices for Surface Water Drainage

Subject Drainage - Appendices

Attachment Name Standard Drawings for Surface Water Drainage

Subject Drainage - Standard Drawings

Attachment Name Code of Practice on Sewerage and Sanitary Works (2nd Edition - Jan 2019 With Amendments Under Addendum No. 1 - Mar 2021)

Subject Sewerage/Sanitary

Attachment Name Standard Drawings for Sewerage Works

Subject Sewerage - Standard Drawings

Attachment Name Standard Drawings for Sanitary Works

Subject Sanitary - Standard Drawings

Attachment Name Standard Drawings for Water Supply Works

Subject Water Supply - Standard Drawings