Coal Resource Recoverability
A MethodologyU.S. Bureau of Mines Circular 9368
Table 14.-Equipment- continuous miner (two production units)
| Capital equipment selection Underground continuous miner - 2 production units (24-42 in mining height) |
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| Annual | Total | Annual | ||||||
| No. | Total hrs | Unit cost | Depr term | Hourly | str line | equipment | development | |
| Production equipment | Deprec | deprec | costs | amortization | ||||
| Continuous miners | 2 | 32 | $600,000 | 20,000 | $30.00 | $230,400 | $1,200,000 | - |
| Shuttle cars | 4 | 64 | $131,300 | 20,000 | $6.57 | $100,838 | $525,200 | - |
| Roof bolters | 2 | 32 | $154,800 | 20,000 | $7.74 | $59,443 | $309,600 | - |
| Scoops | 2 | 32 | $61,800 | 20,000 | $3.09 | $23,731 | $123,600 | - |
| Surf-4 cy loader | 1 | 4 | $206,000 | 40,000 | $5.15 | $4,944 | $206,000 | - |
| Grader | 1 | 1 | $134,000 | 28,000 | $4.79 | $1,149 | $134,000 | - |
| Auxiliary equipment | ||||||||
| Utility scoop | 1 | 24 | $61,800 | 20,000 | $3.09 | $17,798 | $61,800 | - |
| Personnel carriers | 3 | 7 | $46,000 | 40,000 | $1.15 | $1,932 | $138,000 | - |
| Rock duster | 1 | 1 | $38,500 | 40,000 | $0.96 | $231 | $38,500 | - |
| Spare shuttle cars | 2 | 4 | $131,300 | 20,000 | $6.57 | $6,302 | $262,600 | - |
| Feeder/breakers | 2 | 48 | $109,800 | 20,000 | $5.49 | - | $219,600 | $63,245 |
| Ventilation system | 1 | 24 | $96,000 | 87,600 | $1.10 | - | $96,000 | $6,312 |
| Belt system | 1 | 24 | $873,000 | 87,600 | $9.97 | - | $873,000 | $57,403 |
| Power centers | 2 | 4 | $43,200 | 87,600 | $0.49 | - | $86,400 | $5,681 |
| Surface support and facilities | ||||||||
| Shop/warehouse facilities | 1 | 24 | $40,000 | 87,600 | $0.46 | - | $40,000 | $2,630 |
| Office/change facilities | 1 | 24 | $36,000 | 87,600 | $0.41 | - | $36,000 | $2,367 |
| Access/haul roads | 1 | 24 | $250,000 | 87,600 | $2.85 | - | $250,000 | $16,438 |
| Site-surface development | 1 | 24 | $18,000 | 87,600 | $0.21 | - | $18,000 | $1,210 |
| Ug compressors & lines | 2 | 48 | $50,000 | 40,000 | $1.25 | - | $100,000 | $14,400 |
| Water/sewage treat. fac | 1 | 24 | $60,000 | 87,600 | $0.68 | - | $60,000 | $3,945 |
| Surf power sub/trans lines | 1 | 24 | $96,600 | 87,600 | $1.10 | - | $96,600 | $6,352 |
| Surface equipment | ||||||||
| 120' stacker conveyors | 1 | 24 | $80,000 | 87,600 | $0.91 | - | $80,000 | $5,260 |
| Leased coal truck haulage | ||||||||
| Annual depreciation/amortization costs | $446,769 | $185,243 | ||||||
| Total capital equipment costs | $4,954,900 | |||||||
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