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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 002 <br />Date : 0610212011 <br />User : RCO <br />State : Colorado Permit/job# : M-2011-013 <br />County :San Miguel Abbreviation :none <br />Site :Airport Pit Filename :M013-002 <br />Agency or organization name: DRMS <br />Permit or other job action :New 112c <br />Task description :Excavate pit for waste rock <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 />Shift basis : 1 per day <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 : $0.00 0 <br /> Operator cost/hour : $38.54 NA <br /> Total unit cost/hour : $162.90 Total fleet cost/hour : $162.90 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 2,000 LCY factor : NA volume : 2,000 LCY <br /> <br />Source of estimate d volume : Proposed plan, amount for 1 year <br />Source of estimated swell factor : NA <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 60 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,246.9 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (Ishift/day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rf) <br />Average push gradient <br />Average site altitude <br />Material weight <br />Weight description : <br />Decomposed rock - 50% Rock, <br />0.00 % (I <br />9,100 feet <br />2,900 Ibs/LCY <br />50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) <br />Unit cost : $0.368 /LCY <br />Push gradient : <br />Altitude <br />Material weight : <br />Blade type <br />Net correction <br />Adjusted unit production <br />Adjusted fleet production <br />Total job time <br />Total job cost <br />1.00 (Cat HB) <br />1.00 (Cat HB) <br />0.79 (Cat HB) <br />1.00 (S/SU/U) <br />0.36 <br />443.07 LCY/hr <br />443.07 LCY/hr <br />4.51 Hours <br />$735