2016-03-29_REVISION - C2009087

• Permit No: C2009087
• IBM Index Class Name: Revision
• Doc Date: 3/29/2016
• Doc Name: Cost Estimate
• From: DRMS
• To: Twentymile Coal, LLC
• Type & Sequence: RN1
• Email Name: JLE
• Email Name: DIH
• Media Type: D
• Archive: No

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 of Loader Passes: 30.36
Loading Tool Capacity
Truck Ownership:
Common ownership of trucks and loaders -
-0.040
Bucket Size Class: NA
Rated Capacity:
9.200
LCY (heaped)
Bucket Fill Factor:
0.825
Blasted rock - avg. blasted (75 - 90%) 0.825
Adjusted Capacity:
7.590
LCY
Nominal target 0.00
Job Condition Corrections:
(Cat HB)
Site Altitude (ft.): 6800 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, 0
maneuver):
Page 8 of 137
LCY
4 passes
1-1 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
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, 0
maneuver):
Page 8 of 137
LCY
4 passes
1-1 minutes
Cycle Time Factors
Factor (min.)
Source
Material:
Mixed material 0.02
0.020
Cat HB)
Stockpile:
Conveyor or dozer piled 10 ft. high and up
0.000
(Cat HB)
0.00
Truck Ownership:
Common ownership of trucks 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 Cycle Time Adjustment: -0.060 minutes
Adjusted Loader Cycle Time: 0.515 minutes
Net Load Time per Truck: 1.645 minutes
Truck Cycle Time:
Truck Exchange Time: 0.60 Minutes Adjusted for site altitude: 0.600 Minutes
Truck Load Time: 1.645 Minutes Adjusted for site altitude: 1.645 Minutes
Truck Maneuver and Dump 1.00 Minutes Adjusted for site altitude: 1.000 Minutes
Time:
Truck Travel (Haul & Return) Time: Road Condition: Firm, smooth, rolling_, dirt/It. surfaced, watered,
maintained 3.0
CIRCES Cost Estimating Software