Ecocycle

Sewage Recycling ROI for Apartments & Estates

Cost-benefit breakdown for a 20-unit apartment sewage recycling system in Nairobi — installation cost, monthly savings, and payback period.

20 x THREE BEDROOM APARTMENTS, NAIROBI

 

COST OF ECOCYCLE RECYCLING SOLUTION (15m3 per day Sewage Recycling Capacity)

Description

Details

Cost (Kshs.)

Klaermax equipment 15m3 per day

Design & Supply, installation & One
year warranty

4,353,667.13

Recycled water discharge pump

Procurement & Installation Costs

    65,000.00

 

TOTAL

4,418,667.13

SAVINGS ON SEWAGE & WATER EXPENSES DUE TO SEWAGE RECYCLING EQUIPMENT

Description

Details

Monthly Cost (Kshs.)

Annual Cost (Kshs.)

Lawn
irrigation, open spaces cleaning, & car washing water.

10 cubic meters per day at a cost of Kshs. 150 per cubic meter

45,000.00

540,000.00

Frequent exhauster costs to empty septic tank

Two truck trips @ kshs.13,000.00 every two months

13,000.00

156,000.00

 

TOTAL

58,000.00

696,000.00

MONTHLY RUNNING COSTS ON ECOCYCLE SEWAGE RECYCLING SOLUTION

Description

Monthly Cost (Kshs.)

Running power costs (0.43 Kw rating running 10
hours per day) @kshs.33 per kwh

4,257.00

Chlorine disinfection costs (one Cartridge every
month at a cost of Kshs.5,000)

5,000.00

TOTAL

9,257.00

MONTHLY BENEFITS/SAVINGS DUE TO ECOCYCLE RECYCLING SOLUTION

Description

Monthly Savings (Kshs.)

Cost Savings on irrigation, open space &
Car cleaning water by reusing recycled water (18.75m3) daily for these
non-potable purposes

45,000.00

Savings on exhauster truck trips costs  once every two months

13,000.00

TOTAL
MONTHLY BENEFITS

58,000.00

Net
Monthly Financial savings (benefits)

= Monthly savings – Monthly running costs= 58,000.00 -9,257.00= 48,743.00

 

PAYBACK PERIOD

In Months = Cost of Ecocycle Recycling system/ Monthly
Net Savings (benefits)
=
4,353,667.13/48,743.00= 89
In Years; =89/12 = 7.4 years.