2020-05-26_REVISION - C1981028 ‎(15)‎

• Permit No: C1981028
• IBM Index Class Name: Revision
• Doc Date: 5/26/2020
• Doc Name Note: Findings & Cost Estimate
• Doc Name: Proposed Decision and Findings of Compliance
• From: DRMS
• To: Coors Energy Company
• Type & Sequence: SL10
• Email Name: JHB
• Email Name: THM
• Media Type: D
• Archive: No

Payload Capacity: 14.79 LCY
Truck Bed (volume) Basis:
0.975 Loose material - mixed moist aggregates (95-100%) 0.975
Struck Volume:
12.00 LCY
Heaped Volume:
18.00 LCY
Average Volume:
15.00 LCY
Adjusted Volume:
14.79 LCY
Final Truck Volume Based on Number of Loader Passes: 14.20 LCY
Loading Tool Capacity
Bucket Size Class: Large
Rated Capacity: 2.080 LCY (heaped)
Bucket Fill Factor:
0.975 Loose material - mixed moist aggregates (95-100%) 0.975
Adjusted Capacity:
2.028 LCY
0.90 Minutes
Job Condition Corrections:
Site Altitude (ft.): 4000 feet
dirt/It. surfaced, watered, maintained 3.0
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 Truck:
Excavators and Front Shovels:
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, maneuver):
Cycle Time Factors
Factor (min.)
Material:
NA
NA
Stockpile:
NA
NA
Truck Ownership:
NA
NA
Operation:
NA
NA
Dump Target:
NA
NA
Net Cycle Time Adjustment:
NA
Adjusted Loader Cycle Time:
0.234
Net Load Time per Truck:
1.504
Truck Cycle Time:
Truck Exchange Time:
Truck Load Time:
Truck Maneuver and Dump Time:
Truck Travel (Haul & Return) Time:
NA
7 passes
minutes
Source
Cat HB)
Cat HB
minutes
minutes
minutes
0.50 Minutes
Adjusted for site altitude: 0.500 Minute;
1.504 Minutes
Adjusted for site altitude: 1.504 Minute;
0.90 Minutes
Adjusted for site altitude: 0.900 Minute;
Road Condition: Firm, smooth, rolling,
dirt/It. surfaced, watered, maintained 3.0