Frequently Asked Questions
Common questions from contractors, developers, QPs, architects, MCSTs and owners.
What is a PUB POWS application?
It is commonly used to refer to PUB application support for specified activities near water and sewer pipes under the protection of water and sewer pipes framework.
When do I need PUB clearance for works near sewer or water main?
Clearance may be required when excavation, piling, ERSS, trenching, road works, drainage works or other engineering activities are proposed near PUB assets.
Who can submit the application?
Depending on the activity and project requirements, the applicant may involve the contractor, QP, Registered PE or other responsible project party.
How long does PUB take to respond?
PUB response timelines are subject to PUB’s prevailing service standards and project complexity. Programme allowance should be made for comments and resubmission where required.
Can works start before PUB clearance?
Works should not commence where PUB clearance or written acceptance is required. The project team should confirm requirements before starting site activities.
Do I need a Professional Engineer?
A Professional Engineer may be required depending on the activity, risk, endorsement requirements and project-specific PUB or statutory requirements.
What documents are required?
Typically, site plan, drawings, service plans, method statement, sequence, temporary works details, risk assessment and protection measures are needed.
What happens if PUB asks for clarification?
We help the team understand comments, update documents and coordinate technical responses.
Can you help with urgent submissions?
Yes, we can support urgent reviews subject to availability and completeness of documents.
Do you guarantee approval?
No. All applications are subject to PUB’s prevailing requirements, review and approval.
Can you review our contractor’s method statement?
Yes. We review proposed sequence, equipment, temporary works and protection measures from an engineering risk perspective.
Can you support CCTV sewer report submission?
Yes, we can coordinate with the project team and relevant service provider for CCTV sewer report documentation where applicable.