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Code of Practice

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

Sewerage and Sanitary Works

The Code of Practice on Sewerage and Sanitary Works is issued under Section 33 of the Sewerage and Drainage Act (Chapter 294). This guides the Qualified Persons in the proper planning and design of the sanitary and sewerage system. In stipulating only the minimum and mandatory design requirements to be complied with, it hopes that the Qualified Persons will exercise flexibility and creativity in their designs without compromising on functional and maintenance needs. Some good engineering practices in the planning, design and construction of the sanitary and sewerage system are also given in this code.

NoSewerage and Sanitary Works
1Code of Practice on Sewerage and Sanitary Works (2nd Edition - Jan 2019 with Amendments under Addendum No. 1 - Mar 2021)
2Sanitary drawings
Surface Water Drainage

The Code of Practice on Surface Water Drainage contains information on basic planning, design and procedural requirements for surface water drainage. It specifies the minimum engineering requirements for the provision of functional facilities for surface water drainage. Do note that general amendments and revisions are to be expected from time to time.

NoSurface Water DrainageAttachment
1Code of Practice on Surface Water Drainage (Seventh Edition - December 2018 with Amendments under Addendum No.1 - April 2021)
2Code of Practice on Surface Water Drainage (Seventh Edition - December 2018)

List of Appendices and Drainage Standard Drawings
Singapore Standard SS636:2018 Code of Practice for Water Services

The Code of Practice on Water Services is published by Enterprise Singapore. It contains useful guidance on the design, installation, fixing and testing of potable water service installations in all residential, commercial and industrial buildings or premises. 

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