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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 031 State : Colorado Permit/job# : C1980-006 <br />Date : 1110312010 County : Jackson Abbreviation :none <br />User : JHB Site : Marr Mine Filename : 0006-031 <br />Agency or organization name : Division Of Reclamation, Mining And Safety <br />Permit or other job action : RN6 <br />Task description : Regrade Loadout pond and asociated ditch <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 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 : $0.32 5 <br /> Operator cost/hour : $38.54 NA <br /> Total unit cost/hour : $163.22 Total fleet cost/hour : $163.22 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 1,556 CCY factor : 1.125 volume : 1,750 LCY <br /> <br />Source of estimated volume : Map 29 <br />Source of estimated swell factor : Caterpillar Handbook Edition 34 <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 50 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,400.0 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 ( <br />1shift1day) <br />Compacted fill or embankment Spoil pile : 0.80 _ <br />(fnd-ro <br /> Push gradient : 1.00 (Cat HB) <br />Average push gradient : 0.50 % (pos) Altitude : 1.00 (Cat <br />HB) <br />Average site altitude : 8,060 feet Material weight : 0.87 _ <br />_ <br />(Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,650 Ibs/LCY Net correction : 0.39 <br />Weight description : <br />Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : 543.24 LCY/hr <br /> Adjusted fleet production : 543.24 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 3.22 Hours <br />Unit cost : $0.300 /LCY Total job cost : $526 <br />