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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION - <br />Task # : 02a State :Colorado Permitlob# : M-1980-022 <br />Date <br />User <br />07/10/2002 <br />SSS <br />County :Mesa <br />Site :Preston Pit Extension <br />Agency or organization name :DMG <br />Permit or other job action : TR-01 <br />Task description :Grade 1575'Of <br />HOURLY EQUIPMENT COST <br />Cost Breakdown <br />MATERIAL QUANTITIES <br />Initial <br />banks from avg. 1 H:1 V to 3H:1 V <br />Basic machine : Cat D8R - 8SU <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank ripper <br /> Utilization <br />Ownership cost/hour : $49.50 NA <br />Operating cosUhour : $65.98 100 <br />Ripper op. cost/hour : $1.87 25 <br />Operator cost/hour : $27.99 NA <br />Total unit cosUhour : $145.35 Total fleet cost hour <br />volume : 30,859 CCY <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 : 1.27 <br />Altitude : 1.00 <br />Material weight : 0.88 <br />Blade type : 1.00 <br />Net correction : 0.50 <br />HOURLY PRODUCTION <br />Average push distance : 50 feet <br />Unadjusted hourly production : 1,400.0 LCY/hr <br />Material consistency description <br />Compacted fill orembankment <br />Source of estimated volume :Assume 1575'L x 23'H 1:1 slope graded to 3:1 <br />Source of estimated swell factor :CAT Handbook <br />Average push gradient : 12.00 % (i <br />Average site altitude : 4,540 feet <br />Material weight : 2,600 Ibs/LCY <br />Weight description <br />Clav and gravel -Wet <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.207 /LCY <br />Swell Loose <br />factor : 1.090 volume : 33,636 LCY <br />$145.35 <br />Source <br />Adjusted unit production : 703.40 LCY/hr <br />Adjusted fleet production : 703.40 LCY/hr <br /> <br />Total job time : 47.82 Hours <br />Total job cost : $6,951 <br />Abbreviation :none <br />Filename :M022-02a <br />Horsepower: 305 <br />Shift basis : 1 perday <br />Data source : (CRG) <br />