PSIC 2019 · Group
370
Sewerage
This group involves the operation and maintenance of sewer systems and wastewater treatment facilities, including the collection and transport of wastewater and rainwater.
Includes
- Operation of sewer systems or sewer treatment facilities
- Collecting and transporting human or industrial wastewater and rainwater using sewerage networks and vehicles
- Emptying and cleaning cesspools, septic tanks, sinks, and pits from sewage
- Servicing of chemical toilets
- Treatment of wastewater through physical, chemical, and biological processes
- Maintenance and cleaning of sewers and drains