Based on the technology assessment criteria prepared by TNUSSP, the following may
be the key considerations in choosing a technology:

  • Characteristics of fecal sludge in the city
  • Regulatory standards in place
  • Health and safety of workers
  • CAPEX and OPEX
  • Technology requirement such as power, human resources and efficiency
  • Land availability
  • Design and O & M considerations
  • Factors such as population, population density, terrain and ability of ULB to sustainably
    operate, also needs to be considered.