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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 763 State : Colorado Permit/job# : C-80-007 <br />Date : 0412812009 County : Gunnison Abbreviation : none <br />User : TAK Site : West Elk Mine Filename :0007-763 <br />Agency or organization name : Colorado Division Of Mining, Reclamation And Safety <br />Permit or other job action : MR-352 and Midterm Review 6 <br />Task description : Regrade MR-352 drill pads (not approved PR-14) <br /> <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <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 : $72.92 NA <br />Operating cost/hour : $98.84 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $204.53 Total fleet cost/hour : $204.53 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 1,484 BCY factor : 1.330 volume : 1,974 LCY <br />Source of estimated volume: MR-352 submittal, Table 2 <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors <br />Average push distance : 100 feet <br />Unadjusted hourly production : 1,243.2 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 4.00 % (I <br />Average site altitude : 7,700 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) <br />Unit cost : $0.526 /LCY <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 : 0.93 <br />Altitude : 0.95 <br />Material weight : 0.79 <br />Blade type : 1.00 <br />Net correction : 0.31 <br /> <br />Adjusted unit production : 388.67 <br />Adjusted fleet production : 388.67 <br /> <br />Total job time : 5.08 <br />Total job cost : $1,039 <br /> <br />Source <br />(avg.) <br />(Cat HB) <br />(gen.) <br />(avg.) <br />(1 shift/day) <br />(fnd-rt) <br />(Cat HB) <br />(Cat HB) <br />(Cat HB) <br />LCY/hr <br />LCY/hr <br />Hours