2014-03-21_PERMIT FILE - C1996083A ‎(4)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 3/21/2014
• Doc Name: Reclamation Cost Estimate
• Section_Exhibit Name: Volume I 3.02.2 Reclamation Cost Estimate RN3
• Media Type: D
• Archive: Yes

Bowie No. 2 Mine
Reclamation Cost Estimate RN -3
Truck Bed (volume) Basis:
Source
Altitude Ad':
Struck Volume:
35.00
LCY
Heaped Volume:
46.50
LCY
Average Volume:
40.75
LCY
Adjusted Volume:
42.25
LCY
Final Truck Volume Based on Number of Loader Passes:
Loading Tool Capacity
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40.25 LCY
Bucket Size Class: NA
Rated Capacity: 9.200 LCY (heaped)
Bucket Fill Factor: 0.875 Loose material - 1" and over (85 - 90 %) 0.875
Adjusted Capacity: 8.050 LCY
Job Condition Corrections: Site Altitude (ft.): 6900 feet
Net Correction: 0.830 0.830
Loading Tool Cycle Time: Number of Loading Tool Passes Required to Fill
Excavators and Front Shovels:
Truck:
Machine Cycle Time vs. Job Condition Rating: NA
Selected Value within this Basic Rating: NA
Track Loaders — Material Description:
Cycle Time Elements (min.):
Load: NA Maneuver: NA Dump: 0.100
Wheel and Track Loaders - Unadjusted Basic Loader Cycle Time (load, dump, maneuver): 0.575 minutes
5 passes
Cycle Time Factors
Truck
Loader
Source
Altitude Ad':
1.000
1.000
(CAT HB)
Job Efficiency:
0.830
0.830
(CAT HB)
Net Correction: 0.830 0.830
Loading Tool Cycle Time: Number of Loading Tool Passes Required to Fill
Excavators and Front Shovels:
Truck:
Machine Cycle Time vs. Job Condition Rating: NA
Selected Value within this Basic Rating: NA
Track Loaders — Material Description:
Cycle Time Elements (min.):
Load: NA Maneuver: NA Dump: 0.100
Wheel and Track Loaders - Unadjusted Basic Loader Cycle Time (load, dump, maneuver): 0.575 minutes
5 passes
Cycle Time Factors
minutes
Factor (min.)
Source
Material:
Mixed material 0.02
0.020
(Cat HB)
Stockpile:
Conveyor or dozer piled 10 ft. high or less 0.01
0.010
(Cat HB)
Truck Ownership:
Common ownership of trucks and loaders -0.04
-0.040
(Cat HB)
Operation:
Constant operation -0.04
-0.040
(Cat HB)
Dump Target:
I Nominal target 0.00
0.000
(Cat HB)
Truck Cycle Time:
Truck Exchange Time: 0.70
Truck Load Time: 2.200
Truck Maneuver and Dump Time: 1.10
Truck Travel (Haul & Return) Time:
maintained 3.0
Net Cycle Time Adjustment: -0.050
minutes
Adjusted Loader Cycle Time: 0.525
minutes
Net Load Time per Truck: 2.200
minutes
Minutes Adjusted for site altitude:
0.700 Minutes
Minutes Adjusted for site altitude:
2.200 Minutes
Minutes Adjusted for site altitude:
1.100 Minutes
Road Condition: Firm, smooth, rolling, dirt/It. surfaced, watered,