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CIRCES Cost Estimating Software <br /> BULLDOZER WORK <br />PROJECT IDENTIFICATION -~ <br />Task # : 109 State :Colorado PermiUjob# : M-1980-055HR <br />Date : 10/15/2007 County :San Miguel Abbreviation :none <br />User : RCO Site :Topaz Mine Filename :MSHR-109 <br />Agency or organization name : DRMS <br />Permit or other job action :Conversion CN-1 <br />Task description :New vent access roads: <br />HOURLY EQUIPMENT COST <br />and <br />Basic machine :Cat D7R DS Series 11 - 7SU Horsepower : 240 <br />Blatle type :Semi-Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 perday <br />Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $48.36 NA <br />Operating cosUhour : $56.19 100 <br />Ripper op. cosUhour : $0.00 0 <br />Operator cosUhour : $32.78 NA <br />Total unit cosUhour : $137.33 Total fleet cosUhour: $137.33 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 2,218 LCY factor : NA volume : 2,218 LCY <br />Source of estimated volume :9983 LFx 12 Wx 6"depth <br />Source of estimated swell factor :NA - <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance : 75 feet <br />Unadjusted hourly production : 854.1 LCY/hr <br />Material consistency description <br />Loose stockpile <br />Average push gradient <br />Average site altitude <br />0.00 % (po: <br />7,200 feet <br />Material weight : 2,650 Ibs/LCY <br />Weight description <br />Decomposed rock - 25% Rock, 75% Earth <br />Operator skill <br />Material consistency <br />Dozing method <br />Visibility <br />Job efficiency <br />Spoil pile <br />Push gradient <br />Altitude <br />Material weight <br />Blade type <br />Net correction <br />Adjusted unit production <br />Adjusted fleet production <br />0.75 <br />1.20 <br />1.00 <br />0.83 (lshift/day) <br />0.70 (fnd-mf) <br />1.00 (Cat HB) <br />1.00 (Cat HB) <br />0.87 (Cat HB) <br />1.00 (S/SU/U) <br />0.45 <br />387.48 LCY/hr <br />387.48 LCYfhr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 5.72 Hours <br />Unit cost : $0.354 /LCY Total job cost : $786 <br />