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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />Task # : 11a <br />Date : 05/23/2002 <br />User : ESC <br />State :Colorado <br />County :Grand <br />Site :Henderson Mine <br />Permivjob# : M-1977-342 <br />Abbreviation :none <br />Filename : M342-11a <br />Agency or organization name :DMG <br />Permit or other job action :Reevaluate amount of required bon <br />Task description : Backfill & Grade Railroad Gravel Pit <br />HOURLY EQUIPMENT COST <br />Cost Breakdown <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 cosvhour : $49.50 NA <br />OperatingcosUhour : $65.98 100 <br />Ripper op. cosUhour : $0,00 0 <br />Operator cosUhour : $27.99 NA <br />Total unit cosUhour : $143.48 Total fleet cosUhour <br />MATERIAL QUANTITIES <br />Initial <br />volume : 24,200 CCY <br />$143.48 <br />Swell Loose <br />factor : 1.125 volume : 27,225 LCY <br />Source of estimated volume :DMG Est- heavy grading 5 acres 3'd. <br />Source of estimated swell factor : 75% earth 25% rock <br />HOURLY PRODUCTION <br />Average push distance <br />Unadjusted hourly production <br />100 feet <br />852.6 LCY/hr <br />Material consistency description <br />Consolidated stockpile <br />Average push gradient <br />Average site altitude <br />Material weight <br />Weight description <br />Decomposed rock - 25% Rock, <br />0.00 % (I <br />8,500 feet <br />2,650 Ibs/LCY <br />75% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.389 /LCY <br />Job Condition Correction Factors <br />Operator skill : <br />0.75 Source <br />(avg.) <br />Material consistency : 1.00 (Cat HB <br />Dozing method : f.00 (gen.J <br />Visibility: 1.00 (avg.) <br />Job efficiency : 0.83 (lshift/da <br />Spoil pile : 0.80 (fnd-rf) <br />Push gradient : 1.00 (Cat H8, <br />Altitude : 1.00 (Cat HB, <br />Material weight : 0.87 (Caf HB, <br />Blade type : 1.00 (S/SU/U <br />Net correction : 0.43 <br />Adjusted unit production : 368.38 LCY/hr <br />Adjusted fleet production : 368.38 LCY/hr <br />Total job time : 73.90 Hours <br />Total job cost : $10,603 <br />Horsepower: 305 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />