Drainage

No.	Forms	URL
1	Post Temporary Occupation Permit (TOP) Declaration on Storm Water Drainage System
2	Works Requiring Earth Control Measures (ECM)
3	Temporary Works Affecting Drain / Within Drainage Reserve

Used Water

No.	Forms	URL
1	Written Approval for the Discharge of Trade Effluent (New Application)
2	Written Approval for the Discharge of Trade Effluent (Renewal)
3	Application Prior to Work in Public Sewerage System (Form B)
4	Notification to Carry out Sewer Connection Works (Form B1)
5	Notification for Works/Connection of Temporary Sanitary and Toilet Facilities to Sewerage System (Form E)
6	Notification of Sanitary Works to Carry out Sanitary Works that affect any Common Sanitary Pipe, Inspection Chamber or Public Sewerage System (Form F)
7	Notification of Works/Connection of Temporary Sanitary Facility to Sewerage System at Trade Fair (Form I)
8	Certificate of Satisfactory Completion for Completion of Works, Sealing off Temporary Sewer Connection to Sewerage System and Demolition of Temporary Holding Tanks (Form H)
9	Application for PUB's Approval for Worker's Dormitory (Form J)

Water

No.	Forms	URL
1	Notification and Certificate of Satisfactory Completion of Annual Water Tank Cleaning
2	Notification and Certificate of Satisfactory Completion of Water Service Installation (WSI) Works
3	Certificate of Satisfactory Completion of Water Service Installation (WSI) Works (Urgent Repairs/Minor Works)
4	Standard Submeter Application Templates
5	Submission of Urgent Repair Works and Minor Water Service Installation (WSI) Works Templates

Protection of Water and Sewer Pipes

No.	Forms	URL
1	Submission for Specified Activities near Water and Sewer Pipes
2	Submission of CCTV Reports and Video for Public Sewers/Existing Sewer Connection
3	Advisory Notes – Prevention of Damage to Public Sewerage System
4	Advisory Notes – Prevention of Damage to Water Pipes