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Bowie No. 2 Mine C1996083 <br />Technical Revision No. 93 <br />Page 5 of 7 <br />Truck Bed (volume) <br />Material: <br />NA <br />Truck <br />Struck Volume: <br />10.00 <br />LCY <br />1.000 <br />Heaped Volume: <br />12.00 <br />LCY <br />0.830 <br />Average Volume: <br />11.00 <br />LCY <br />NA <br />Adjusted Volume: <br />12.00 <br />LCY <br />NA <br />Final Truck Volume Based on Number of Loader Passes: 9.18 <br />LCY <br />Loading Tool Capacity <br />Bucket Size Class: <br />Medium <br />Rated Capacity: <br />3.140 <br />LCY (heaped) <br />Bucket Fill Factor: <br />0.975 <br />Loose material - mixed moist aggregates (95 -100 %) 0.975 <br />Adjusted Capacity: <br />3.062 <br />LCY <br />Job Condition Corrections: <br />Site Altitude (ft.): 6900 feet <br />Net Correction: 0.830 0.797 <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: ABOVE AVERAGE <br />Selected Value within this Basic Rating: AVERAGE <br />Track Loaders — Material Description: <br />Cycle Time Elements (min.): <br />Load: NA Maneuver: NA Dump: 0.10( <br />Wheel and Track Loaders - Unadjusted Basic Loader Cycle Time (load, dump, maneuver): <br />3 passes <br />NA minutes <br />Cycle Time Factors <br />NA <br />Factor (min.) <br />Source <br />Material: <br />NA <br />Truck <br />Loader <br />Source <br />Altitude Ad': <br />1.000 <br />0.960 <br />(CAT HB) <br />Job Efficiency: <br />0.830 <br />0.830 <br />(CAT HB) <br />Net Correction: 0.830 0.797 <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: ABOVE AVERAGE <br />Selected Value within this Basic Rating: AVERAGE <br />Track Loaders — Material Description: <br />Cycle Time Elements (min.): <br />Load: NA Maneuver: NA Dump: 0.10( <br />Wheel and Track Loaders - Unadjusted Basic Loader Cycle Time (load, dump, maneuver): <br />3 passes <br />NA minutes <br />Cycle Time Factors <br />NA <br />Factor (min.) <br />Source <br />Material: <br />NA <br />NA <br />(Cat HB) <br />Stockpile: <br />NA <br />NA <br />(Cat HB) <br />Truck Ownership: <br />NA <br />NA <br />(Cat HB) <br />Operation: <br />NA <br />NA <br />(Cat HB) <br />Dump Target: <br />NA <br />NA <br />(Cat HB) <br />Truck Cycle Time: <br />Truck Exchange Time: 0.50 <br />Truck Load Time: 0.646 <br />Truck Maneuver and Dump Time: 0.90 <br />Truck Travel (Haul & Return) Time: <br />enetration 4.0 <br />Net Cycle Time Adjustment: <br />NA <br />minutes <br />Adjusted Loader Cycle Time: <br />0.273 <br />minutes <br />Net Load Time per Truck: <br />0.646 <br />minutes <br />Minutes Adjusted for site altitude: <br />0.500 Minutes <br />Minutes Adjusted for site altitude: <br />0.673 Minutes <br />Minutes Adjusted for site altitude: <br />0.900 Minutes <br />Road Condition: Rutted dirt, little maintenance, no water, <br />1" tire <br />C[RCES Cost Estimating Software <br />