Under the Sewerage and Drainage Act, Qualified Persons (QPs) are required to submit detailed building plans to PUB for clearance related to any building and structural works. This is necessary to minimise flood risk to developments to safeguard public health and water resources, and to protect the integrity of the public sewerage system and public drainage system during construction works.
Before Sewerage, Sanitary and Drainage works can proceed, the QP shall obtain PUB’s Development Control (DC) clearance in compliance with the broad planning parameters for the project, and PUB’s Detailed Plan (DP) clearance for the detailed design of the various works in compliance with the respective PUB Codes of Practices. Upon completion of works, QPs shall apply for PUB’s clearances for Temporary Occupation Permit (TOP)/Certificate of Statutory Completion (CSC).
QPs re to refer to resources provided like Codes of Practice and Standard Drawings and Guides and Handbooks in the developing plans and construction.
Simplified Submissions allow for reduced processing time for simple projects. The QP may lodge the Simplified Submission (SS) and receive a system generated acknowledgement within a day.
SS is a lodgement based on the QP's declaration. QP is reminded to check thoroughly before making submission for the project. Upon request by PUB, the QP may be required to provide his plans for audit. For proposal that does not meet any of the SS criteria, DC submission shall be made.
Upon completion of work, QP is required to make a submission for PUB TOP/CSC clearance.
A SS may be submitted for Sewerage and Sanitary works and/or Drainage works if the project meets the following criteria:
A) Addition & Alteration (A&A) works to be single landed residential house, factory (excluding workers' dormitory) or shops (excluding food shops or food establishments) that involves only construction works/activities within the existing building meeting the following criteria:
B) New erection or reconstruction of single-landed residential house, such as single unit of terrace house, semi-detached house, bungalow that meets the following conditions:
C) Erection of external structures such as covered linkway, bus shelter, pedestrian overhead bridge (POB)
Project involves minor/A&A works and meet the following conditions:
Examples are as follow:
A) Addition & Alteration (A&A) works to be single landed residential house, factory (excluding workers' dormitory) or shops (excluding food shops or food establishments) that involves only construction works/activities within the existing building meeting the following criteria:
B) New erection or reconstruction of single-landed residential house, such as single unit of terrace house, semi-detached house, bungalow that meets the following conditions:
C) Erection of external structures such as covered linkway, bus shelter, pedestrian overhead bridge (POB)
Project involves minor/A&A works and meet the following conditions:
Examples are as follow:
QPs shall obtain PUB’s approval for the deviations from Code of Practice by providing all the relevant technical information (such as photos, drawings and plans).
QPs who do not follow the correct process and procedure may encounter delays in the processing of their submission when the case is rejected due to non-compliance.