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:
Struck Volume:
10.00
LCY
Heaped Volume:
12.00
LCY
Average Volume:
11.00
LCY
Adjusted Volume:
12.00
LCY
Final Truck Volume Based on Number of Loader Passes
Loading Tool Capacity
Page 62 of 312
11.61 LCY
Bucket Size Class: NA
Rated Capacity: 4.300 LCY (heaped)
Bucket Fill Factor: 0.675 Blasted rock - poorly blasted (60 - 75 %) 0.675
Adjusted Capacity: 2.903 LCY
Job Condition Corrections: Site Altitude (ft.): 7100 feet
Net Correction: 0.830 0.830
Loading Tool Cycle Time: Number of Loading Tool Passes Required to Fill 4
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): 0.500
passes
minutes
Cycle Time Factors
Truck
Loader
Source
Altitude Adj:
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 4
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): 0.500
passes
minutes
Cycle Time Factors
minutes
Factor (min.)
Source
Material:
Bank or broken material 0.04
0.040
(Cat HB)
Stockpile:
Dumped by truck 0.02
0.020
(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:
Fragile target 0.05
0.050
(Cat HB)
Truck Cycle Time:
Truck Exchange Time: 0.50
Truck Load Time: 1.690
Truck Maneuver and Dump Time: 0.90
Truck Travel (Haul & Return) Time:
enetration 5.0
Net Cycle Time Adjustment: 0.030
minutes
Adjusted Loader Cycle Time: 0.530
minutes
Net Load Time per Truck: 1.690
minutes
Minutes Adjusted for site altitude:
0.500 Minutes
Minutes Adjusted for site altitude:
1.690 Minutes
Minutes Adjusted for site altitude:
0.900 Minutes
Road Condition: Rutted dirt, little maintenance, no water, 2" tire