Economic Effects of Sustainable Sanitation - SuSanA

Logistics systems cost calculations 88
Overview
= Input variable regarding the quantity of the
conv. fert. Demand of the farmer
= Variable. The variables can be found in the
general assumptions section and additionally
throughout the whole table. They all can be
changed.
= Variable (Lever) has more effect than
"variable". These levers can only be found in the
general assumptions section.
= Investment (where 20% interests have already
been included)
= Manual Excel (the round up is sometimes not
giving the proper results… has to be checked
manually)
= Urine totals
= Faeces totals
Items Attributes Comments
General assumptions
Perspective of the analysis Private Company
Type of human excreta 1,0
Collection levels Households, shared facilities, public facilites
Type of system
Decentralised, incentive driven collection;
Private logistic company; commercial farmers
88 Example of the model used for the calculations of the various scenarios. A copy can be obtained from the author.
Urine = 1; Urine and feaces = 0,5.
Appendix
88