EcoCycle

Cost Benefit Analysis - Ecocycle Projects

CASE 1: 4 BEDROOM RESIDENCE ON 1/2 ACRE IN KAREN

COST OF ECOCYCLE RECYCLING SOLUTION (1.5m3 per day Sewage Recycling Capacity)

Description Details Cost (Kshs.)
Klaermax equipment 1.5m3 per day
Design & Supply,installation & One year warranty
453,512.00
Recycled water discharge pump
Procurement & Installation Costs
48,500.00

TOTAL

457,312.00

SAVINGS ON SEWAGE & WATER EXPENSES DUE TO SEWAGE RECYCLING EQUIPMENT

Description Details Monthly Cost (Kshs.) Annual Cost (Kshs.)
Lawn irrigation water
1.5m3 per day to irrigate lawns @Kshs.125/m3
5,625.00
67,500.00
Frequent exhauster costs to empty septic tank
Two exhauster truck trips @ kshs.10,000.00 every quarter
6,666.67
26,666.67

TOTAL

12,291.67

94,166.67

MONTHLY RUNNING COSTS ECOCYCLE RECYCLING SOLUTION

Description Monthly Cost (Kshs.)
Running power costs (80watts rating running 10 hours per day @kshs.20 per kwh)
528.00
Chlorine Cartridges for disinfection (One cartridge for three months)
1,200.00

Total

1,728.00

MONTHLY BENEFITS/SAVINGS DUE TO ECOCYCLE RECYCLING SOLUTION

Description Monthly Savings (Kshs.)
Savings on buying irrigation water by reusing recycled water for the non-potable purposes e.g lawn irrigation
5,625.00
Savings on exhauster truck trips costs
6,666.67

TOTAL MONTHLY BENEFITS

12,291.67

Net Monthly Financial savings (benefits)
Monthly savings – Monthly running costs = 12,291.67 – 1,728.00= 10,563.67

PAYBACK PERIOD

In Months = Cost of Ecocycle Recycling system/ Monthly Net Savings (benefits)
= 457,312.00/10,563.67 = 43 Months
In Years; =43/12 = 3.6 years.

CASE 2: 25 x THREE BEDROOM APARTMENTS, KINOO, KIAMBU

COST OF ECOCYCLE RECYCLING SOLUTION (18.75m3 per day Sewage Recycling Capacity)

Description Details Cost (Kshs.)
Klaermax equipment 18.75m3 per day
Design & Supply, installation & One year warranty
3,266,069.70
Recycled water discharge pump
Procurement & Installation Costs
54,000.00

TOTAL

3,320,069.70

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. 125 per cubic meter
37,500.00
450,000.00
Frequent exhauster costs to empty septic tank
Two truck trips @ kshs.10,000.00 every two months
10,000.00
120,000.00

TOTAL

47,500.00

570,000.00

MONTHLY RUNNING COSTS ON ECOCYCLE SEWAGE RECYCLING SOLUTION

Description Monthly Savings (Kshs.)
Running power costs (1.8 Kw rating running 10 hours per day) @kshs.22 per kwh
11,880.00
Chlorine disinfection costs (one every month)
1,800.00

TOTAL

13,680.00

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