2013-04-05_PERMIT FILE - C1996083A ‎(18)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 4/5/2013
• 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 Page 7 of 312
Truck Bed (volume) Basis:
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: 42.26 LCY
Loading Tool Capacity
Bucket Size Class: Large
Rated Capacity: 6.900 LCY (heaped)
Bucket Fill Factor: 0.875 Loose material - 1" and over (85 - 90 %) 0.875
Adjusted Capacity: 6.038 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 7
Excavators and Front Shovels: Truck:
Machine Cycle Time vs. Job Condition Rating: SEVERE
Selected Value within this Basic Rating: SEVERE
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): NA
passes
minutes
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 7
Excavators and Front Shovels: Truck:
Machine Cycle Time vs. Job Condition Rating: SEVERE
Selected Value within this Basic Rating: SEVERE
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): NA
passes
minutes
Cycle Time Factors
Factor (min.)
Source
Material:
NA
NA
(Cat HB)
Stockpile:
NA
NA
(Cat HB)
Truck Ownership:
NA
NA
(Cat HB)
Operation:
NA
NA
(Cat HB)
Dump Target:
NA
NA
(Cat HB)
Truck Cycle Time:
Truck Exchange Time: 0.70
Truck Load Time: 3.520
Truck Maneuver and Dump Time: 1.10
Truck Travel (Haul & Return) Time:
maintained 3.0
Net Cycle Time Adjustment:
Adjusted Loader Cycle Time:
Net Load Time per Truck:
NA minutes
0.570 minutes
3.520 minutes
Minutes Adjusted for site altitude: 0.700 Minutes
Minutes Adjusted for site altitude: 3.520 Minutes
Minutes Adjusted for site altitude: 1.100 Minutes
Road Condition: Firm, smooth, rolling, dirt/It. surfaced, watered,