2014-04-04_REVISION - C1981028 ‎(2)‎

• Permit No: C1981028
• IBM Index Class Name: Revision
• Doc Date: 4/4/2014
• Doc Name: Proposed Decision & Findings & Cost Estimate
• From: DRMS
• To: Coors Energy Company
• Type & Sequence: SI1
• Email Name: JLE
• Email Name: SB1
• Media Type: D
• Archive: No

Page 9 of 39
Truck Bed (volume) Basis:
Truck
Loader
Struck Volume:
12.00
LCY
Heaped Volume:
18.00
LCY
Average Volume:
15.00
LCY
Adjusted Volume:
17.96
LCY
(Cat HB)
Final
Truck Volume
Based on Number of Loader Passes:
Loading Tool Capacity
Dump Target:
Nominal target 0.00
18.00 LCY
Bucket Size Class: NA
Rated Capacity: 5.000 LCY (heaped)
Bucket Fill Factor: 0.900 Other - cemented materials (8
Adjusted Capacity: 4.500 LCY
-95%)0.900
Job Condition Corrections: Site Altitude (ft.): 4000 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, maneuver): 0.500 minutes
4 passes
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
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 minutes
4 passes
Cycle Time Factors
Factor (min.)
Source
Material:
Mixed material 0.02
0.020
(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
1 -0.040
1 (Cat HB)
Dump Target:
Nominal target 0.00
1 0.000
1 (Cat HB)
Net Cycle Time Adjustment:
Adjusted Loader Cycle Time:
Net Load Time per Truck:
-0.040 minutes
0.460 minutes
1.480 minutes
Truck Cycle Time:
Truck Exchange Time: 0.50 Minutes Adjusted for site altitude: 0.500 Minutes
Truck Load Time: 1.480 Minutes Adjusted for site altitude: 1.480 Minutes
Truck Maneuver and Dump Time: 0.90 Minutes Adjusted for site altitude: 0.900 Minutes
Truck Travel (Haul & Return) Time: Road Condition: Hard, smooth, stabilized, surfaced, watered,
maintained 2.0
CIRCES Cost Estimating Software