Table 3 Estimated cost of the ponds
Item | Pond 1: bottom and walls not waterproofed | Pond 2: bottom waterproofed with clay and cemented walls | Pond 3: Tarpaulin bottom and cemented walls | Pond 4: Tarpaulin waterproofed bottom and walls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Quantity | Unit price | Amount (FCFA) | Quantity | Unit price | Amount (FCFA) | Quantity | Unit price | Amount (FCFA) | Quantity | Unit price | Amount (FCFA) | |
Crowbar | 5 | 8000 | 40,000 | 5 | 8000 | 40,000 | 5 | 8000 | 40,000 | 5 | 8000 | 40,000 |
Pickaxe | 5 | 2000 | 10,000 | 5 | 2000 | 10,000 | 5 | 2000 | 10,000 | 5 | 2000 | 10,000 |
Shovel | 5 | 1500 | 7500 | 5 | 1500 | 7500 | 5 | 1500 | 7500 | 5 | 1500 | 7500 |
Wheelbarrow | 3 | 20,000 | 60,000 | 3 | 20,000 | 60,000 | 3 | 20,000 | 60,000 | 3 | 20,000 | 60,000 |
Gloves (price per pair) | 15 | 1500 | 22,500 | 15 | 1500 | 22,500 | 15 | 1500 | 22,500 | 15 | 1500 | 22,500 |
Annual equipment maintenance | Flat rate | 25,000 | Flat rate | 25,000 | Flat rate | 25,000 | Flat rate | 25,000 | ||||
Reinforcement of wheelbarrows | Flat rate | 7500 | Flat rate | 7500 | Flat rate | 7,500 | Flat rate | 7500 | ||||
Cost of construction material | 172,500 | 172,500 | 172,500 | 172,500 | ||||||||
Excavation (m3) | 1000 | 283,000 | 1000 | 283,000 | 1000 | 283,000 | 1000 | 283,000 | ||||
Talutage | 9000 | 9000 | 9000 | 9000 | ||||||||
Rubble transport | Flat rate | 120,000 | Flat rate | 120,000 | Flat rate | 120,000 | Flat rate | 120,000 | ||||
Cost of gravel transport | Flat rate | 60,000 | Flat rate | 60,000 | Flat rate | 60,000 | Flat rate | 60,000 | ||||
Clay transport | 0 | 30,000 | 0 | 0 | ||||||||
Cost of labor | Flat rate | 0 | Flat rate | 25,000 | Flat rate | 50,000 | Flat rate | 0 | ||||
Stabilization | Flat rate | 10,000 | Flat rate | 15,000 | Flat rate | 30,000 | Flat rate | 9000 | ||||
Construction cost of the pond (+ cost of equipment) | 654,500 | 714,500 | 724,500 | 653,500 | ||||||||
Wire mesh | Flat rate | 100,000 | Flat rate | 100,000 | Flat rate | 100,000 | Flat rate | 100,000 | ||||
Transport of the mesh to the site | 0 | 10,000 | 0 | 10,000 | 0 | 10,000 | 0 | 10,000 | ||||
Labor needed to install wire mesh | Flat rate | 20,400 | Flat rate | 20,400 | Flat rate | 20,400 | Flat rate | 20,400 | ||||
Total cost | Flat rate | 130,400 | 130,400 | 130,400 | 130,400 | |||||||
Tarpaulin | 0 | 0 | 0 | 0 | 0 | 175 | 4000 | 700,000 | 350 | 4000 | 1,400,000 | |
Cement | 0 | 6500 | 0 | 24 | 6500 | 78,000 | 24 | 6500 | 156,000 | 0 | 6500 | 0 |
Cost of waterproofing | 0 | 78,000 | 856,000 | 1,400,000 | ||||||||
Total cost of pond | 784,900 | 922,900 | 1,710,900 | 2,183,900 | ||||||||
Opportunity cost of 1 ha of land | Flat rate | 8000 | 200,000 | 8000 | 200,000 | 8000 | 200,000 | 8000 | ||||
Annual pond maintenance | Flat rate | 10,000 | 10,000 | Flat rate | 10,000 | Flat rate | 10,000 | |||||
Total cost of acquiring the pond + opportunity cost of 1 ha of land | 792,900 | 930,900 | 1,718,900 | 2,191,900 | ||||||||
Total cost of construction acquisition + opportunity cost of 1 ha of land + maintenance | 802,900 | 940,900 | 1,728,900 | 2,201,900 | ||||||||