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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />• <br />PROJECT IDENTIFICATION' ::::::......................................................................................................................................................................................... <br />Task # : 271 State :Colorado PermiUjob# : C-81-035 <br />Date : 08/08/2007 <br />User : TAK <br />County :La Plata <br />Site :King Coal Mine <br />Abbreviation :none <br />Filename : C035-271 <br />Agency or organization name :Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :Permit Renewal RN-05 <br />Task description :Rough grade surface facilities areas (mine office and coal stockpile areas) <br /> HOURLY EQUIPMENT COST <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 : $58.24 NA <br /> Operating cost/hour : $73.75 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $164.77 Total fleet cost/hour : $164.77 <br /> MATERIAL';;:: `UANTITI.ES < ...... <br />Q .............................................................................................................................. ............................... ............................ <br /> Initial Swell Loose <br /> volume : 5,163 LCY factor : NA volume : 5,163 LCY <br /> <br /> Source of estima ted volume :6.4 acres X 0.5 feet thick <br /> Source of estimated swell factor :NA <br /> <br /> <br />HOURLY PRODUCTION ::::;.:rr;:;; :,1:;.:n..Factors:.; <br />Job Condition Co ect o ;:.; :........................... ;.::.;:Source:<.>::.: <br /> Operator skill : 0.75 (avg.) <br /> Average push distance : 100 feet Material consistency : 1.10 _ (Cat HB) <br /> Unadjusted hourly production : 852.6 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br /> Material consistency description : Job efficiency : 0.83 (1shift/day) <br /> Partly consolidated stockpile Spoil pile : 0.80 (fnd-rt) <br /> Push gradient : 0.90 (Cat HB) <br /> Average push gradient : 5.00 % (pos) Altitude : 1.00 (Cat HB) <br /> Average site altitude : 7,300 feet Material weight : 0.87 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br /> Material weight : 2,650 Ibs/LCY Net correction : 0.43 <br /> Weight description <br /> Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : 366.14 LCY/hr <br /> Adjusted fleet production : 366.14 LCY/hr <br /> <br /> JOB TIME AND COST::::>' ............ ............................................................................................................................... .............................. ............................ <br /> Fleet size : 1 Dozers) Total job time : 14.10 Hours <br /> Unit cost : $0.450 /LCY Total job cost : $2,323 <br /> <br />