| 3-2b | Discharge Pipe & Floor Waste Connection on Ground Level (updated 1st Dec 2021) |  |
| 3-3b | Discharge Stack Connection with Backdrop to Inspection Chamber (updated 1st Dec 2021) | |
| 3-4b | Backdrop and Tumbling Bay Details (updated 1st Dec 2021) | |
| 3-5b | Type Bedding for Drain-line & Discharge Pipe (updated 1st Dec 2021) | |
| 3-9d | Sanitary Drainage System for Hawker Centre/Food Court (updated 1st Dec 2021) | |
| 3-7c | Inspection Chamber (IC) and Break Joint for Drain-Line (updated 1st Dec 2021) | |
| 3-8b | Wash Area (updated 1st Dec 2021) | |
| 3-10c | Waste Sump (for Sullage Water Drainage) (updated 1st Dec 2021) | |
| 3-11c | Sanitary Drainage System for Typical Bin Centre (updated 1st Dec 2021) | |
| 3-12c | Sanitary Plumbing and Drainage System for Market (updated 1st Dec 2021) | |
| 3-13b | Floor Sump for Market (updated 1st Dec 2021) | |
| 3-14b | Sanitary Drainage System for Toilet at Beach Site/Construction Site (updated 1st Dec 2021) | |
| 3-15c | Fully Ventilated System (without Secondary Discharge Stack) for Landed Housing (updated 1st Dec 2021) | |
| 3-16c | Fully Ventilated System (with Secondary Discharge Stack) for All Buildings (updated 1st Dec 2021) | |
| 3-18d | Ventilated Stack System for All Buildings (updated 1st Dec 2021) | |
| 3-19d | Floor Trap and Water Closet Pan Connected in Series (updated 1st Dec 2021) | |
| 3-20b | Connection of Floor Trap Ventilating Pipe to Ventilating Stack (updated 1st Dec 2021) | |
| 3-21b | Offset and Cross-Vent Pipe (updated 1st Dec 2021) | |
| 3-22b | Details of Connection between Discharge Stacks and Inspection Chamber (below Ground Level) (updated 1st Dec 2021) | |
| 3-24b | Wash Basin Connected in Series to a Common Waste Pipe (updated 1st Dec 2021) | |
| 3-25b | Ventilating Pipe Requirements for Urinals Connected in Series (updated 1st Dec 2021) | |
| 3-27a | Sanitary Plumbing System for Prefabricated Toilet (updated 1st Dec 2021) | |
| 3-28a | Connection of Discharge Stacks to a Common Discharge Pipe at Basements (updated 1st Dec 2021) | |
| 3-29a | Sanitary Plumbing System for Hawker Centre/Food Court at Upper Storey Level (updated 1st Dec 2021) | |
| 3-23b | Jointing of Outlet of Pedestal Water Closet to Discharge Pipe (updated 1st Dec 2021) | |
| 3-17d | Single Stack System for Building up to 6 Storeys (updated 1st Dec 2021) | |
| 3-1c | Layout of Sanitary Drainage System (updated 1st Dec 2021) | |
| 3-6b | Ground Level Floor Trap with or without a Sump (for Connection to Inspection Chamber) (updated 1st Dec 2021) | |
