Cleaning of Storm Water Drainage Structures & Pipes

⁠⁠⁠This activity covers the clearing of stormwater drainage manholes and kerb inlets with or without grates, gross pollutant structures, side entry pits and gully pit structures whether located in the road network, in public car parking areas, drainage easements or parks. Approximately 2,000 to 3,000 various types of structures are required to be cleaned annually and the cleaning works are mainly required to be undertaken during the summer dry season.

The Contractor is required to clear silt, vegetation, rubbish and debris present in the drainage structures.