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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />...................................................... . <br />PROJECT IDENTIFICATION <br />Task #: 002 State : Colorado Permit/job# : C-1981-047 <br />Abbreviation : none <br />Filename : C047-002 <br />County : Delta <br />Site :Blue Ribbon Mine <br />Colorado Division Of Reclamation, Mining And Safety <br />Permit Renewal 05 <br />Light Use Road <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 />Shift basis : 1 per day <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 /> <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 849 LCY factor : NA volume : 849 LCY <br /> <br />Source of estimated volume: 1990 RCE <br />Source of estimated swell factor :NA <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance : 100 feet <br />Unadjusted hourly production : 852.6 LCY/hr <br />Material consistency description <br />Compacted rill or embankment <br />Average push gradient : 0.00 % (1 <br />Average site altitude : 6,4)0 feet <br />Material weight : 2,650 Ibs/LCY <br />Weight description : <br />Decomposed rock - 25% Rock, 75% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) <br />Operator skill : 0.75 <br />Material consistency : 0.90 <br />Dozing method : 1.00 <br />Visibility : 1.00 <br />Job efficiency : 0.83 <br />Spoil pile : 0.80 <br />Push gradient : 1.00 <br />Altitude : 1.00 <br />Material weight : 0.87 <br />Blade type : 1.00 <br />Net correction : 0.39 <br />(Cat HB) <br />(gen.) <br />(avg.) <br />(1 shift/da) <br />(fnd-rt) <br />(Cat HB) <br />(Cat HB) <br />(Cat HB) <br />Adjusted unit production : 331.54 LCY/hr <br />Adjusted fleet production : 331.54 LCY/hr <br />Total job time : 2.56 Hours <br />Unit cost : $0.497 /LCY Total job cost : $422