Link to USGS Home Page

Coal Resource Recoverability
A Methodology

U.S. Bureau of Mines Circular 9368


Table 15.-Equipment-longwall

Captial equipment selection
Longwall mining (42-72 in mining height)

ANNUAL TOTAL ANNUAL
Longwall equipment NO. TOTAL HRS DEP TERM HOURLY STR LINE EQUIPMENT DEVELOPMENT
UNIT COST DEPREC DEPREC COSTS AMORTIZATION
Longwall shearer 1 16 $1,875,000 20,000 $93.75 $360,000 $1,876,000 -
Shields 1 16 $7,360,000 30,000 $245.00 $940,800 $7,350,000 -
Face cnvr+stge loader 1 16 $1,603,500 20,000 $76.18 $288,872 $1,603,500 -
Scoop/retriever 1 16 $110,000 20,000 $6.50 $21,120 $110,000 -
Personnel carrier 2 5 $52,000 40,000 $1.30 $1,560 $104,000 -
48" belt system 1 24 $976,100 87,600 $11.13 - $976,100 $64,116
Vent support 1 24 $96,000 87,600 $1.10 - $96,000 $6,312
Powr cntr + hydrl sys 1 24 $500,000 40,000 $12.50 - $500,000 $72,000
Capital and annual depreciation/ammortization costs $1,612,162 $12,513,600 $142,428
Development equipment
Continuous miners 3 34 $780,000 20,000 $39.00 $318,240 $2,340,000 -
Shuttle cars 4 64 $165,000 20,000 $8.25 $126,720 $660,000 -
Roof bolters 2 32 $204,000 20,000 $10.20 $78,336 $408,000 -
Scoops 2 32 $110,000 20,000 $5.50 $42,240 $220,000 -
Utility Scoop 1 24 $110,000 20,000 $5.50 $31,680 $110,000 -
Pamonnal carriers 3 7 $62,000 40,000 $1.30 $2,184 $156,000 -
Rock duster 1 4 $38,500 40,000 $0.96 $924 $38,500 -
Spare shuttle cars 2 4 $161,000 20,000 $8.05 $7,728 $322,000 -
Feederlbreakers 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
48/60" belt system 2 48 $2,451,400 87,600 $27.98 - $4,902,800 $322,376
Power centers 2 48 $43,200 87,600 $0.49 - $86,400 $5,681
Capital and annual depreciation/ammortization costs $608,052 $9,559,300 $397,614
Surface support and facilities
Shop/warehouse facilities 1 24 $80,000 87,600 $0.91 - $80,000 $5,280
Change facilities 1 24 $54,000 87,600 $0.62 - $54,000 $3,551
Mine offices 1 24 $60,000 87,600 $0.68 - $60,000 $3,945
Access/haulage roads 1 24 $250,000 87,600 $2.85 - $250,000 $16,438
Site/surf development 1 24 $50,000 87,600 $0.57 - $60,000 $3,288
Ug compressors & lines 2 48 $50,000 40,000 $1.25 - $100,000 $14,400
Water/sewage treat. facilities 1 24 $60,000 87,600 $0.68 - $60,000 $3,945
Surf. power sub/trans. lines 2 48 $96,600 87,600 $1.10 - $193,200 $12,704
Mine dowater system 1 24 $90,000 87,600 $1.03 - $90,000 $5,918
Capital and annual
depreciation/amortization costs
$0 $937,200 $69,449
Surface equipment/coal loading
Surface-8 cy loader 1 16 $449,000 40,000 $11.23 $43,104 $449,000
Grader 1 8 $134,000 28,000 $4.79 $9,189 $134,000
180 ft stacker conveyors 1 24 $389,300 87,600 $4.44 $389,300 $25,598
Capital and annual depreciation/amortization costs $52,293 $972,300 $25,598
Total capital equipment costs $2,772,497 $23,982,400 $635,089
PREVIOUS NEXT

[ Contents | Eastern Energy Home ]


Created by the EERT WWW Staff.

[an error occurred while processing this directive]