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Agency or organization name :Colorado Division Of Reclalmation Mining And Safety <br />Permit or other job action :Amendment <br />Task description :Replace topsoil on disturbed areas <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 8SU (200, <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2:3-shank ripper <br />Horsepower: 310 <br />Shiftbasis : 1 per day <br />Data source : (CRG) <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 /> <br />.... <br />HOURLY PRODUCTION <br />Job Condition Correction Factors <br />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 (a vg.) <br />Material consistency description : Job efficiency : 0.83 (1shiR/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 - Dry packed Adjusted unit production : 349.45 LCY/hr <br /> Adjusted fleet production : 349.45 LCY/hr <br /> <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 <br />