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Bowie No. 2 Mine C1996083 Midterm Review No. 4 (MT -4) Page 11 of 558 <br />Struck Volume: 35.00 LCY <br />Heaped Volume: 46.50 LCY <br />Average Volume: 40.75 LCY <br />Adjusted Volume: 42.25 LCY <br />Final Truck Volume Based on Number of Loader Passes: 42.26 LCY <br />Loading Tool Capacity <br />Bucket Size Class: Large <br />Rated Capacity: 6.900 LCY (heaped) <br />Bucket Fill Factor: 0.875 Loose material - 1" and over (85 - 90 %) 0.875 <br />Adjusted Capacity: 6.038 LCY <br />Job Condition Corrections: Site Altitude (ft.): 6900 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 />7 passes <br />NA minutes <br />Cycle Time Factors <br />Haul Distance <br />Factor (min.) <br />Source <br />Material: <br />NA <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: 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 />7 passes <br />NA minutes <br />Cycle Time Factors <br />Haul Distance <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 />I NA <br />NA <br />I (Cat HB) <br />Dump Target: <br />I NA <br />NA <br />I (Cat HB) <br />Net Cycle Time Adjustment: <br />Adjusted Loader Cycle Time: <br />Net Load Time per Truck: <br />NA minutes <br />0.570 minutes <br />3.520 minutes <br />Truck Cycle Time: <br />Truck Exchange Time: 0.70 Minutes Adjusted for site altitude: 0.700 <br />Truck Load Time: 3.520 Minutes Adjusted for site altitude: 3.520 <br />Truck Maneuver and Dump Time: 1.10 Minutes Adjusted for site altitude: 1.100 <br />Truck Travel (Haul & Return) Time: Road Condition: Firm, smooth, rolling, dirt/It. surfaced, watered, <br />maintained 3.0 <br />Haul Route: <br />Seg # <br />Haul Distance <br />Grade ( %) <br />Roll. Res <br />Total Res <br />Velocity <br />Travel <br />(Ft) <br />( %) <br />( %) <br />(fpm) <br />Time <br />min <br />1 <br />600.00 <br />17.00 <br />3.00 <br />20.00 <br />379 <br />1.588 <br />Haul Time: 1.588 minutes <br />Minutes <br />Minutes <br />Minutes <br />