- Digs trench and assists pipe layers to lay, renew or repair sewerage pipes.
- Patrols sections of sewer, examines for any blockages or gas releases and clears blockages by flushing or by using boring rods.
- Cleans out screen compartments, sedimentation tanks and filtration beds manually or using mechanical scraper.
- Regulates flow of raw sewage into screening plant, releases screened sewage and regulates its flow into detritus pits, sedimentation tanks and filtration beds.
- Stops water supply in an emergency and informs consumers likely to be affected.
- Opens and closes valves to regulate quantity and pressure of water and reports defective valves or abnormal water pressure.
- Attends water filtration and purification plant, monitors chemical treatment and regulates treatment of water supply within strict guidelines.