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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : l6b <br />Date : 05/23/2002 <br />User : ESC <br />State :Colorado <br />County :Grand <br />Site :Henderson Mine <br />Agency or organization name :DMG <br />PermiVjob# : M-1977-342 <br />Abbreviation :none <br />Filename :M342-166 <br />Permit or other job action :Reevaluate amount of required bond <br />Task description : BacMill & Grade Tailing Line/Powerline Area <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R - 8SU <br />Blade type :Semi-Universal <br />Attachment no. t : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Cost Breakdown <br />Initial <br />volume : 48,400 <br />A1d~ dR <br />LCY <br />Source of estimated volume :DMG Est. heavy grading 10 acres 3'd. <br />Source of estimated swell factor :50% rock 50% earth <br /> Utilization <br />OwnershipcosVhour : $49.50 NA <br />Operating cosUhour : $65.98 700 <br />Ripper op. cosVhour ; $0.00 0 <br />Operator cosUhour : $2799 NA <br />Total unit cosUhour : $143.48 Total fleet cosVhour <br />Swell Loose <br />CCY factor : 1.165 volume : 56,386 <br />HOURLY PRODUCTION <br />Average push distance <br />Unadjusted hourly production <br />too 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 - 50% Rock, <br />0.00 % Q <br />8.500 feet <br />2,900 Ibs/LCY <br />50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.426 /LCY <br />Job Condition Correction Factors <br />Operator skill : <br />0.75 Source <br />(avg.) <br />Material consistency : 1.00 (Cat H8 <br />Dozing method : 1.00 (gen.) <br />Visibility : 1.00 (avg.) <br />Job efficiency : 0.83 (ishiJUda <br />Spoi! pile ; 0.80 (/nd-rf) <br />Push gradient : 7.00 (Cat HB <br />Altitude : 1.00 (Cat HB <br />Material weight : 0.79 (Cat HB, <br />Blade type : 7.00 (S/SU/U <br />Net correction : 0.39 <br />Adjusted unit production : 336.63 LCY/hr <br />Adjusted fleet production : 336.63 LCY/hr <br />Total job time : 167.50 Hours <br />Total job cost : $24,033 <br />Horsepower: 305 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />