Eco-facts – Ecocycle

COST BENEFIT ANALYSIS – ECOCYCLE PROJECTS

CASE 1: 4 BEDROOM RESIDENCE ON 1/2 ACRE PREMISES, NAIROBI

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	599,000
Recycled water discharge pump	Procurement & Installation Costs	55,000
	TOTAL	654,000.00

SAVINGS ON SEWAGE & WATER EXPENSES DUE TO SEWAGE RECYCLING EQUIPMENT

Description	Details	Monthly Cost (Kshs.)	Annual Cost (Kshs.)
Lawn irrigation water	1.5m3per day to irrigate lawns @Kshs.150/m³	6,750.00	81,000.00
Frequent exhauster costs to empty septic tank	Two exhauster truck trips(assume a residential home in black cotton soil that exhausts every two months at Kshs 20K)	10,000.00	120,000.00
	TOTAL	16,750.00	201,000.00

MONTHLY RUNNING COSTS ON ECOCYCLE SEWAGE RECYCLING SOLUTION

Description	Monthly Cost (Kshs.)
Electricity (0.08 Kwh rating, running for 8hrs, kwh cost at Kshs.33)	633.60
Chlorine at Kshs.1500 per month	1,500.00
Annual Maintenance contract at Kshs.25,000 per year	2,083.33
TOTAL	4,216.93

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	6,750.00
Savings on exhauster truck trips costs	10,000.00
TOTAL MONTHLY BENEFITS	16,750.00

Net Monthly Financial savings (benefits) = Monthly savings – Monthly running costs=16,750.00-4,216.93= 12,533.07

PAYBACK PERIOD

In Months = Cost of Ecocycle Recycling system/ Monthly Net Savings (benefits) =599,000.00/12,533.07= 48 Months In Years; =48/12 = 4years.

CASE 2: 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.

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