2016-08-31_REVISION - C2009087 ‎(3)‎

• Permit No: C2009087
• IBM Index Class Name: Revision
• Doc Date: 8/31/2016
• Doc Name: Reclamation Cost Update
• From: Twentymile Coal, LLC
• To: DRMS
• Type & Sequence: RN1
• Email Name: JLE
• Email Name: DIH
• Media Type: D
• Archive: No

Description: Decomposed rock -25% Rock, 75% Earth
Rated Payload: 82,000 Pounds
Payload Capacity: 30.94 LCY
Truck Bed (volume) Basis:
Struck Volume:
21.60
LCY
Heaped Volume:
31.70
LCY
Average Volume:
26.65
LCY
Adjusted Volume:
30.94
LCY
Final Truck Volume Based on Number ofLoaderPasses:
Loading ToolCapacitX
Rated Capacity:
Bucket Fill Factor:
Adjusted Capacity:
Job Condition Corrections:
Page 11 of 138
30.36 LCY
Bucket Size Class: NA
9.200 LCY (heaped)
0.825 Blasted rock -avg. blasted (75 - 90%) 0.825
7.590 LCY
Site Altitude (ft.): 6800 feet
Net Correction: I 0.830 I 0.830
Loading Tool Cycle Time: Number of Loading ToolPasses 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:
Wheeland TrackLoaders -Unadjusted Basic Loader Cycle Time (load, dump,
maneuver):
4 passes
0.575 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: I 0.830 I 0.830
Loading Tool Cycle Time: Number of Loading ToolPasses 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:
Wheeland TrackLoaders -Unadjusted Basic Loader Cycle Time (load, dump,
maneuver):
4 passes
0.575 minutes
Cycle Time Factors
Factor (min.)
Source
Material:
Mixed material 0.02
0.020
(Cat HB)
Stockpile:
Conveyor ordozerpiled 10 ft. high and up
0.000
(Cat HB)
0.00
Truck Ownership:
Common ownership oftrucks and loaders -
-0.040
(Cat HB)
0.04
Operation:
Constant operation -0.04
-0.040
(Cat HB)
Dump Target:
Nominal target 0.00
0.000
(Cat HB)
Net C Acle lune Adjustment: -U.UbU minutes
AdjustedLoader Cycle Time: 0.515 minutes
Net Load Time per Truck: 1.645 minutes
Truck Cycle Time:
TruckExchange Time: 0.60 Minutes Adjustedfor site altitude: 0.600 Minutes
Truck Load Time: 1.645 Minutes Adjusted for site altitude: 1.645 Minutes
CIRCES Cost Estimating So$ware