From: Cost-benefit Analysis and Financial Viability of Household Biogas Plant Investment in South Ethiopia
Inputs (materials and labor) cost | Quantity of materials and labor size required for installation | Unit price (ETB) | Total cost of material and labor (ETB) required for installation | ||
---|---|---|---|---|---|
6Â m3 | 8Â m3 | 6Â m3 | 8Â m3 | ||
A. Civil construction cost | |||||
 1. Cement (bags, 50 kg) | 11 | 16 | 135 | 1485 | 2,60 |
 2. Sand (barrows) | 12 | 18 | 75 | 900 | 1350 |
 3. PVC pipe (6 m length and 70 mm diameter with its elbow) | 2 | 4 | 150 | 300 | 600 |
 4. Galvanized steel (dome gas pipe), 1.5 m length and 60 mm diameter with its elbow |  | 1 | 345 | 345 | 345 |
 5. Iron bar (6 m length and 8 mm diameter with binds) | 7 | 11 | 165 | 1155 | 1815 |
 6. Transportation cost |  |  |  | 210 | 240 |
 Subtotal |  |  |  | 4395 | 6510 |
B. Labor cost | |||||
 1. Mason cost (paid by adopters) |  |  |  | 1300 | 1600 |
 2. Grave worker cost (barrows) | 12 | 15 | 90 | 1080 | 1350 |
 Subtotal |  |  |  | 2380 | 2950 |
C. Total cost (A + B) |  |  |  | 6775 | 9460 |
D. Subsidy | |||||
 1. Cost of supply line |  |  |  | 2420 | 2420 |
 2. Mason (subsidized by NBPE) |  |  |  | 3580 | 3580 |
 Subtotal |  |  |  | 6000 | 6000 |
 E. Total installation cost (C + D) |  |  |  | 12,775 | 15,460 |