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Agency or organization name: DRMS <br />Permit or other job action :Final Reclamation Liability estimate -2010 update <br />Task description :highwall reduction from 0.5:1 to 3:1 <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D8R Series lI - 8SU (200,1 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 : $53.74 NA <br />Operating cost/hour : $70.63 100 <br />Ripper op. cost/hour : $1.59 25 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $164.49 Total fleet cost/hour : $164.49 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 3,769 LCY factor : NA volume : 3,769 LCY <br />Source of estimated volume :accepted volumes from last update <br />Source of estimated swell factor : NA <br /> <br />........ ..... .: <br />HOURLY PRODUCTION Job Condition Correction Factors <br />Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 50 feet <br />Unadjusted hourly production : 1,400.0 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 10.00 % (I <br />Average site altitude : 6,560 feet <br />Material weight : 2,650 Ibs/LCY <br />Weight description : <br />Material consistency : 0.90 (Cat HB) <br />Dozing method : 1.00 (gen.) <br />Visibility : 1.00 (avg.) <br /> <br />Job efficiency : <br />0.83 _ <br />(1shift1day) <br />Spoil pile: 0.80 (fnd-ro <br />Push gradient : 1.22 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.87 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.48 <br />Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : 667.14 LCY/hr <br />Adjusted fleet production : 667.14 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 5.65 Hours <br />Unit cost : $0.247 /LCY Total job cost : $929