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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 : 27,910 LCY factor : NA volume : 27,910 LCY <br /> <br />Source of estimated volume: 17.3 ac x 12 in. depth <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 : 150 feet Material consistency : 1.10 (Cat HB) <br />Unadjusted hourly production : 634.3 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (lshift/day) <br />Partly consolidated stockpile Spoil pile : 0.80 (fnd-rt) <br /> Push gradient : 1.11 (Cat HB) <br />Average push gradient : 5.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,500 feet Material weight : 0.90 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,550 Ibs/LCY Net correction : 0.55 <br />Weight description <br />Earth - Div oacked <br />Adjusted unit production : 349.45 LCY/hr <br />Adjusted fleet production : 349.45 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 79.87 Hours <br />Unit cost : $0.478 /LCY Total job cost : $13,341