Q1. What are temporary sanitary facilities?

A1: ‘Temporary sanitary facilities’ refer to sanitary facilities as well as the associated pipe-works provided and erected at the construction site to be used during the construction period. These facilities include bathrooms, toilets, facilities for washing and sanitary appliances (basins, sinks etc.). The used water from these temporary sanitary facilities shall then be properly discharged into the public sewers or an approved sewerage system if a public sewer is not yet available.

Q2. What is an approved sewerage system?

A2: ‘Approved sewerage system’ refers to a holding tank approved by PUB, Water Reclamation (Network) Department for temporary storage of the used water from the temporary toilets at the construction site, pending the extension of the public sewer to serve the development. The owner (contractor) shall engage NEA’s Licensed Waste Contractor to empty the holding tanks and transport the used water for disposal at the designated Water Reclamation Plants (WRPs). A temporary septic tank is not allowed to serve temporary toilets at construction sites.

Q3. What are the works that require Notification to PUB by a Licensed Plumber?

A3: The following works require Notification to PUB by a Licensed Plumber:

• Any water service installation work, except that in designing a water service installation, he may only design a water service installation which:
• Is to be installed downstream after the meter position; and
• Does not require any pumping equipment or water storage tank
• Sanitary works (either temporary or permanent) that affect any common sanitary pipe/inspection chamber or public sewerage system
• Installation or replacement of grease trap
• Connection of temporary toilet/sanitary facilities to public sewers or on-site sewerage system such as at construction sites, trade fairs, etc.

Q4. Who can I engage to carry out the works above?

A4: You can engage PUB Licensed Plumbers to carry out the above works. Please refer to https://www.pub.gov.sg/watersupply/plumbingWorks/homeowners for the list of available plumbers.

Q5.How long will PUB take to process and approve the application/ submission?

A5: PUB will respond and reply to the applicant via email within 14 working days for sanitary work and 12 working days for water service installation work

Q6. What shall I do upon completion of the sanitary work?

A6: Upon completion of the sanitary work, the Licensed Plumber shall submit a completion form and notify PUB for inspection/water testing of the sanitary drainlines/sewers, etc.

Q7. Will PUB carry out any inspection of the completed works?

A7: Upon notification of completion of sanitary and/or water service installation works by the Licensed Plumber, PUB randomly select the completed works for audit inspection.

Q8. Do I have to notify PUB when the building project is completed?

A8: When the building project is completed and the contractor vacates the construction site, the Licensed Plumber shall submit a completion form and notify PUB to confirm the sealing of temporary sewer connection to sewerage system or demolition of temporary holding tank. PUB, Water Reclamation (Network) Department (WRN) may conduct audit inspection on the reinstatement of the manhole and demolition of the temporary holding tank.