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<br />Basic machine : Cat D8R Series 11 - 8SU (200; Horsepower : 310 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour: $57.13 NA <br />Operating cost/hour : $77.13 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour: - $32.78 NA <br />Total unit cost/hour : . $167.03 Total fleet cost/hour : $167.03 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 4,840 LCY factor : NA volume <br />4,840 LCY <br />Source of estimated volume :Assume 3 acres originally stripped in task 001 <br />Source of estimated swell factor : NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 65 feet Material consistency : 1.20 (Cat HB) <br />Unadjusted hourly production : 1,170.3 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Loose stockpile Spoil pile: 0.80 (fnd-rt <br /> Push gradient : 1.52 (Cat HB) <br />Average push gradient : 25.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,570 feet Material weight : 0.82 (CatHB) <br /> Blade type : 1.00 (S/SU/U) <br />Material Weight : 2,800 Ibs/LCY Net correction : 0.74 <br />Weight description <br />Clay - Natural bed Adjusted unit production : 871.16 LCY/hr <br /> Adjusted fleet production : 871.16 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 5.56 Hours <br />Unit cost : $0.192 /LCY Total job cost : $928 <br />