Table 5 Estimated quantities and costs of preventive maintenance material for genset
Item | No. of changes/year | Quantity/change | Price/item (US$) | Cost/year (US$) | Cost/study period (US$) (25 years) |
|---|---|---|---|---|---|
Engine oil | 43 | 35 L/change | 7 | 10,535 | 263,375 |
Oil and fuel Filters | 43 | 1 set/change | 114 | 4,902 | 122,550 |
Coolant | 8 | 80 L/change | 3 | 1,920 | 48,000 |
Air Filters | 8 | 1 piece/change | 71 | 568 | 14,200 |
Batteries | 1 | 2 piece/change | 129 | 258 | 6,450 |
Total cost (US$) = Maintenance cost + Spare parts costs | (454,575) + (454,575 × 30%) = US$590,948 | ||||