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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 Details for Request of Additional Raw Water Demand  
6 Best Practice Checklist for Raw Water Request for Country Clubs
7 Best Practice Checklist for Raw Water Request for Hospitals
8 Best Practice Checklist for Raw Water Request for Zoo
9 Details for Request of Additional Treated Effluent Demand
10 Best Practice Checklist for Treated Effluent Request for Country Clubs

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