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Containment Emptying Transport Treatment
Workbooks in a table
Component Descriptors for sanitation systems

Component: A cluster of technologies which have generally similar characteristics, which can deliver the functionality of a single Element of the SVC and which are likely to have similar cost profiles.

Hilighted cells show possible Components that can be part of a complete sanitation system

Emptying Emptying and Transport Transport
Pipes - conventional, separate, with pumping
Pipes - conventional, separate, no pumping
Pipes - conventional, combined, with pumping
Pipes - conventional, combined, no pumping
Pipes - simplified, separate, with pumping
Pipes - simplified, separate, no pumping
Pipes - simplified, combined, with pumping
Pipes - simplified, combined, no pumping
Passive aerobic waste water1
Machine-powered aerobic waste water
Anaerobic waste water
Sealed tank with infiltration structure
Sealed tank without infiltration structure
Infiltrating pit
Manual (no specialised equipment) Wheels - human-powered (transport only)
Human-powered with specialised equipment Wheels - machine-powered (transport only)
Machine powered Wheels - human- and/or machine-powered with transfer station (transport only)
Wheels - human-powered
Wheels - machine-powered
Wheels - human- and/or machine-powered with transfer station
Aerobic FSM
Anaerobic FSM

1 Waste water treatment unit can sometimes incorporated to co-treat faecal sludge transported from on-site sanitation systems. In this case the facility would still be classified as waste water treatment rather than faecal sludge treatment.

2 Conventional sewers use ‘traditional’ hydraulic design approach, usually free flowing and laid under the road network.

3 Simplified sewers use a modified hydraulic design approach. They are smaller diameter and laid at shallower depths than conventional sewers. Network may be laid to follow shortest route subsequently optimising length of pipes.

WASH Research Group, School of Civil Engineering, University of Leeds |
© 2022 CACTU$ Costing