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Economic Effects of Sustainable Sanitation - SuSanA

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Driving time [h] 4,0<br />

Loading/<strong>of</strong>floading time [h] 1,0 See above<br />

Duration for one trip [h] 5,0<br />

Duration <strong>of</strong> all transport trips [h] 10,0<br />

Daily transport to farm distance [km] 200,0<br />

Calculation <strong>of</strong> truck # (storage - farmer) 1,0 Only for calculation purposes<br />

Calculation <strong>of</strong> truck # (storage - farmer) 1,0 Only for calculation purposes<br />

Real # <strong>of</strong> tanktrucks the company has to have (storage - farmer) 1<br />

Faeces<br />

Faeces volume per day [l] 4.666<br />

If the capacity is increased, fixed and<br />

Capacity truck [kg] 10.000 variable costs will also rise.<br />

When there are e.g. 1,5 trips per day the<br />

transportation <strong>of</strong> two loads every even day<br />

and one on the uneven days minimises<br />

Calculated # <strong>of</strong> trips per day (volume) 0,47 transport costs.<br />

Real # <strong>of</strong> trips per day (volume) 1<br />

Distance slum - storage facility [km] 10,00<br />

Return distance slum to storage facility [km] 20,00<br />

Average speed on the collection trip [km/h] 10,00<br />

Driving time [h] 2,00<br />

Loading/<strong>of</strong>floading time [h] 1,00<br />

Duration for one trip [h] 3,00<br />

Duration <strong>of</strong> all collection trips [h] 3,00<br />

Daily collection distance [km] 20,00<br />

Calculation <strong>of</strong> truck # (slum - storage facility) 3,3 Only for calculation purposes<br />

Calculation <strong>of</strong> truck # (slum - storage facility) 1,0 Only for calculation purposes<br />

Real # <strong>of</strong> tanktrucks the company has to have (storage - farmer) 1<br />

Storage<br />

Urine<br />

Urine volume per day [l] 19.998<br />

Appendix<br />

93

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