2012-08-21_REVISION - C1981010

• Permit No: C1981010
• IBM Index Class Name: Revision
• Doc Date: 8/21/2012
• Doc Name: Preliminary Adequacy Review & Cost Estimate
• From: DRMS
• To: Trapper Mining, Inc
• Type & Sequence: RN6
• Email Name: JLE
• Email Name: SB1
• Media Type: D
• Archive: No

Truck/Loader Worksheet Cont'd
Task # 025 Page 2 of 3
Truck Bed (volume) Basis:
Source
Material:
Struck Volume:
60.60
LCY
Heaped Volume:
78.80
LCY
Average Volume:
69.70
LCY
Adjusted Volume:
78.80
LCY
Final Truck Volume Based on Number of Loader Passes: 70.00 LCY
Loading Tool Capacity
(Cat HB)
Dump Target:
No adjustment - factor no applicable 0. 00
0.000
Bucket Size Class: NA
Rated Capacity:
16.000
LCY (heaped)
Bucket Fill Factor:
0.875
Blasted rock - well blasted (80 - 95 %) 0.875
Adjusted Capacity:
14.000
LCY
Job Condition Corrections:
Site Altitude (ft.): 6400 feet
Net Correction: 0.790 0.790
Loadiny, Tool Cycle Time: Number of Loading Tool Passes Required to Fill Truck:
Excavators and Front Shovels:
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): 0.625 minutes
Cycle Time Factors
Net Cycle Time Adjustment: 0.000
Factor (min.)
Source
Material:
No adjustment - factor not applicable 0.00
Truck
Loader
Source
Altitude Adj:
1.000
1.000
(CAT HB)
Job Efficiency:
0.790
0.790
(CAT HB)
Net Correction: 0.790 0.790
Loadiny, Tool Cycle Time: Number of Loading Tool Passes Required to Fill Truck:
Excavators and Front Shovels:
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): 0.625 minutes
Cycle Time Factors
Net Cycle Time Adjustment: 0.000
Factor (min.)
Source
Material:
No adjustment - factor not applicable 0.00
0.000
(Cat HB)
Stockpile:
No adjustment - factor not applicable 0.00
0.000
(Cat HB)
Truck Ownership:
No adjustment - factor not applicable 0.00
0.000
(Cat HB)
Operation:
No adjustment - factor not applicable 0.00
0.000
(Cat HB)
Dump Target:
No adjustment - factor no applicable 0. 00
0.000
(Cat HB)
5 passes
CIRCES Cost Estimating Software
Net Cycle Time Adjustment: 0.000
minutes
Adjusted Loader Cycle Time: 0.625
minutes
Net Load Time per Truck: 2.600
minutes
Truck Cycle Time:
Truck Exchange Time: 0.80
Minutes Adjusted for site altitude:
0.800 Minutes
Truck Load Time: 2.600
Minutes Adjusted for site altitude:
2.600 Minutes
Truck Maneuver and Dump Time: 1.20
Minutes Adjusted for site altitude:
1.200 Minutes
Truck Travel (Haul & Return) Time:
Road Condition: Rutted dirt, little maintenance, no water, 2" tire
penetration 5.0
5 passes
CIRCES Cost Estimating Software