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Bowie No. 2 Mine C1996083 <br />Truck <br />Technical Revision No.77 Page 10 of 34 <br />Truck Bed (volume) Basis: <br />Altitude Adj : <br />1.000 <br />Struck Volume: <br />10.00 <br />LCY <br />Heaped Volume: <br />12.00 <br />LCY <br />Average Volume: <br />11.00 <br />LCY <br />Adjusted Volume: <br />12.00 <br />LCY <br />-0.040 <br />Final Truck <br />Volume <br />Based on Number of Loader Passes: 10.64 LCY <br />Loading Tool Capacity <br />1 (Cat HB) <br />Bucket Size Class: NA <br />Rated Capacity: 4.300 LCY (heaped) <br />Bucket Fill Factor: 0.825 Blasted rock - avg. blasted (75 - 90 %) 0.825 <br />Adjusted Capacity: 3.548 LCY <br />Job Condition Corrections: Site Altitude (ft.): 6300 feet <br />Net Correction: 0.830 0.830 <br />Loading Tool Cycle Time: Number of Loading Tool Passes Required to Fill <br />Excavators and Front Shovels: Truck: <br />Machine Cycle Time vs. Job Condition Rating: NA <br />Selected Value within this Basic Rating: NA <br />Track Loaders — Material Description: <br />Cycle Time Elements (min.): <br />Load: NA Maneuver: NA Dump: 0.100 <br />Wheel and Track Loaders - Unadjusted Basic Loader Cycle Time (load, dump, maneuver): 0.500 minutes <br />3 passes <br />Cycle Time Factors <br />Truck <br />Loader <br />Source <br />Altitude Adj : <br />1.000 <br />1.000 <br />(CAT HB) <br />Job Efficiency: <br />0.830 <br />0.830 <br />(CAT HB) <br />Net Correction: 0.830 0.830 <br />Loading Tool Cycle Time: Number of Loading Tool Passes Required to Fill <br />Excavators and Front Shovels: Truck: <br />Machine Cycle Time vs. Job Condition Rating: NA <br />Selected Value within this Basic Rating: NA <br />Track Loaders — Material Description: <br />Cycle Time Elements (min.): <br />Load: NA Maneuver: NA Dump: 0.100 <br />Wheel and Track Loaders - Unadjusted Basic Loader Cycle Time (load, dump, maneuver): 0.500 minutes <br />3 passes <br />Cycle Time Factors <br />Net Cycle Time Adjustment: -0.070 <br />Factor (min.) <br />Source <br />Material: <br />Material 3/4" to 6" diameter 0.00 <br />0.000 <br />(Cat HB) <br />Stockpile: <br />Conveyor or dozer piled 10 ft. high or less 0.01 <br />0.010 <br />(Cat HB) <br />Truck Ownership: <br />Common ownership of trucks and loaders -0.04 <br />-0.040 <br />(Cat HB) <br />Operation: <br />I Constant operation -0.04 <br />-0.040 <br />1 (Cat HB) <br />Dump Target: <br />I Nominal target 0.00 <br />0.000 <br />1 (Cat HB) <br />CIRCES Cost Estimating Software <br />Net Cycle Time Adjustment: -0.070 <br />minutes <br />Adjusted Loader Cycle Time: 0.430 <br />minutes <br />Net Load Time per Truck: 0.960 <br />minutes <br />Truck Cycle Time: <br />Truck Exchange Time: 0.50 <br />Minutes Adjusted for site altitude: <br />0.500 Minutes <br />Truck Load Time: 0.960 <br />Minutes Adjusted for site altitude: <br />0.960 Minutes <br />Truck Maneuver and Dump Time: 0.90 <br />Minutes Adjusted for site altitude: <br />0.900 Minutes <br />Truck Travel (Haul & Return) Time: <br />Road Condition: Firm, smooth, rolling, dirt/It. surfaced, watered, <br />maintained 3.0 <br />CIRCES Cost Estimating Software <br />