2017-03-13_REVISION - C1996083

• Permit No: C1996083
• IBM Index Class Name: Revision
• Doc Date: 3/13/2017
• Doc Name: Cost Estimate
• From: DRMS
• To: Bowie Resources
• Type & Sequence: RN4
• Email Name: CCW
• Email Name: JRS
• Media Type: D
• Archive: No

HOURLY PRODUCTION
Truck Capacity:
LCY
Truck Payload (weight) Basis:
12.00
Material weight:
1,600 Pounds/LCY
Description:
Coal - Bituminous, Raw
Rated Payload:
35,400 Pounds
Payload Capacity:
22.13 LCY
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: 9.18 LCY
Loading Tool Capacity
Rated Capacity:
3.140
Bucket Fill Factor:
0.975
Adjusted Capacity:
3.062
Job Condition Corrections:
(Cat HB)
Truck
Altitude Adj:
1.000
Job Efficiency:
0.830
Net Correction:
0.830
Loading Tool Cycle Time:
Operation:
Excavators and Front Shovels:
NA
Bucket Size Class: Medium
LCY (heaped)
Loose material - mixed moist
LCY
Site Altitude (ft.): 6900 feet
Loader Source
0.960 (CAT HB)
0.830 (CAT HB)
0.797
Number of Loading Tool Passes Required to Fill
Truck:
100%) 0.975
Machine Cycle Time vs. Job Condition Rating: ABOVE AVERAGE
Selected Value within this Basic Rating: AVERAGE
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, NA
maneuver):
3 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)
Net Cycle Time Adjustment: NA minutes
Adjusted Loader Cycle Time: 0.273 minutes
Net Load Time per Truck: 0.646 minutes