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Yoast Mine C1994082 SL -4 Page 83 of 90 <br />HOURLY PRODUCTION <br />Truck Capacity: <br />Truck Pavload (weight) Basis: <br />Material weight: 2,700 <br />Description: Earth - Wet excavated <br />Rated Payload: 27,280 <br />Payload Capacity: 10.10 <br />Pounds/LCY <br />Pounds <br />LCY <br />Truck Bed (volume) Basis: <br />Struck Volume: 8.00 LCY <br />Heaped Volume: 10.00 LCY <br />Average Volume: 9.00 LCY <br />Adjusted Volume: 10.00 LCY <br />Final Truck Volume Based on Number of Loader Passes: 9.61 LCY <br />Loading Tool Capacity_ <br />Bucket Size Class: Medium <br />Rated Capacity: 2.260 LCY (heaped) <br />Bucket Fill Factor: 0.850 Hard, tough clay (80% - 90 %) 0.850 <br />Adjusted Capacity: 1.921 LCY <br />Job Condition Corrections: Site Altitude (ft.): 7500 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: SEVERE <br />Selected Value within this Basic Rating: SEVERE <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 />5 passes <br />NA minutes <br />Cycle Time Factors <br />Truck <br />Loader <br />Source <br />Altitude Adj : <br />1.000 <br />1.000 <br />(CAT HB) <br />Job Efficiencv: <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: SEVERE <br />Selected Value within this Basic Rating: SEVERE <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 />5 passes <br />NA minutes <br />Cycle Time Factors <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 />Net Cycle Time Adjustment: <br />Adjusted Loader Cycle Time: <br />Net Load Time per Truck: <br />NA <br />0.445 <br />1.880 <br />minutes <br />minutes <br />minutes <br />Truck Cycle Time: <br />Truck Exchange Time: 0.50 Minutes Adjusted for site altitude: 0.500 Minutes <br />