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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />_ . .. - - -_ <br />' _ _ _ _ <br />PROJECT IDENTIFICATION <br />Task # : 004 <br />Date : 11/06/2002 <br />User : WHE <br />State :Colorado PermiUjob# : M-1977-297 <br />County :San Miguel Abbreviation :none <br />Site :Burros Mine Filename : M297-004 <br />Agency or organization name : DMG <br />Permit or other job action :General 110(2) bond review <br />Task description :Grade 7.3 acres roads, portal and Burros 5 area to blend with topography <br />,HOURLY EQUIPMENT COST <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 />Cost Breakdown : Ownership cosUhour : $48.47 NA <br />Operating cosUhour : $58.82 100 <br />Ripper op. cosUhour : $3.50 50 <br />Operator cosUhour : $30.65 NA <br />Total unit cosUhour : $141.44 Total fleet cost/hour <br />i.--___._..-- _.._...._.. ......__ _ <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 17,666 LCY factor : NA volume: 17,666 <br />4~di dd <br />LCY <br />Source of estimated volume : (7.3ac)(43560sf/ac)(1.5'D)/27 = 17666 cy <br />Source of estimated swell factor : NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 <br />Average push distance : 50 feet Material consistency : 0.90 <br />Unadjusted hourly production : 1,400.0 LCY/hr Dozing method : 1.00 <br /> Visibility : 1.00 <br />Material consistency description : Job efficiency : 0.83 <br />Compacted fill or embankment Spoil pile : 0.80 <br /> Push gradient : 1.00 <br />Average push gradient : 0.00 % (pos) Altitude : 1.00 <br />Average site altitude : 5,600 feet Material weight : 0.79 <br /> Blade type : 1.00 <br />Material weight : 2,900 Ibs/LCY Net correction : 0.36 <br />Weight description <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 497.48 <br /> Adjusted fleet production : 497,48 <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 35.51 <br />Unit cost : $0.284 /LCY Total job cost : $5,023 <br />Horsepower: 305 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />LCY/hr <br />LCY/hr <br />Hours <br /> <br />