Table 2.
Capital cost factors for rBuChE case study.
| Capital cost factors | ||||||
|---|---|---|---|---|---|---|
| Estimated based on PC (listed equipment PC plus unlisted equipment PC) | ||||||
| Unlisted equipment | 0.2 listed purchased equipment cost | |||||
|
| ||||||
| Direct costs | Plant growth | Agroproduction/infiltration | rBuChE recovery/purification | |||
|
| ||||||
| Piping | 0.1 | PC | 0.35 | PC | 0.35 | PC |
| Instrumentation | 0.2 | PC | 0.4 | PC | 0.4 | PC |
| Insulation | 0.01 | PC | 0.03 | PC | 0.03 | PC |
| Electrical facilities | 0.1 | PC | 0.1 | PC | 0.1 | PC |
| Building | 0.2 | PC | 0.45 | PC | 3 | PC |
| Yard improvement | 0.15 | PC | 0.15 | PC | 0.15 | PC |
| Auxiliary facilities | 0.1 | PC | 0.4 | PC | 0.4 | PC |
| UE installation | 0.5 | UEPC | 0.5 | UEPC | 0.5 | UEPC |
| Direct costs multiplicative factor | 2.35 | 2.88 | 5.43 | |||
| Engineering | 0.25 | DC | 0.25 | DC | 0.25 | DC |
| Construction | 0.35 | DC | 0.35 | DC | 0.35 | DC |
| Indirect costs multiplicative factor | 1.41 | 1.73 | 3.26 | |||
| Contractors fee | 0.05 | DC + IC | 0.05 | DC + IC | 0.05 | DC + IC |
| Contingency | 0.1 | DC + IC | 0.1 | DC + IC | 0.1 | DC + IC |
| Other costs multiplicative factors for DFC | 0.56 | 0.69 | 1.30 | |||
| Total multiplicative factor for DFC | 4.33 | 5.30 | 9.99 | |||
| Total multiplicative factor for TCI (except working capital) | 4.54 | 5.56 | 10.49 | |||
PC: purchase cost; DC: direct cost; IC: indirect cost; UEPC: unlisted equipment purchase cost; DFC: direct fixed capital; TCI: total capital investment.