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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 204 State :Colorado Permit/job# M-1981-185 <br />Date : 1112012007 County :La Plata Abbreviation :none <br />User : RCO Site :May Day Mine Filename : M185-204 <br />Agency or organization name: DRMS <br />Permit or other job action : Transfer to Wildcat Mining <br />Task descn tion : Contour fill material against Level 2 portal face <br />HOURLY EQUIPMENT COST <br /> Basic machine : Cat D7R DS Series// - 7SU Horsepower : 240 <br /> Blade type : Semi-Universal <br /> Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br /> Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $48.36 NA <br /> Operating cost/hour : $56.19 100 <br /> Ripper op. cost/hour : $0.54 10 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour.: --i137.87 Total fleet cost/hour : $137.87 <br />MATERIAL QUANTITIES <br />Initial Swell <br />Loose <br />volume : 650 LCY factor : NA volume : 650 LCY <br />Source of estimated volume : permit plan <br />Source of estimated swell factor :NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : <br />- 100 feet <br />- Material consistency : 1.10 (Cat HB) <br />Unadjusted hourly production : T14.3 LCY/hr Dozing method : 1.00 <br />(gen.) <br /> <br />Material consistency description : Visibility : 1.00 (avg.) <br /> <br /> <br />Partly consolidated stockpile Job efficiency: 0.83 <br />(1shift1day) <br /> Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 0.79 (Cat HB) <br />Average push gradient : 10.00 % (pos) Altitude : 0.93. (Cat HB) <br />Average site altitude : 9,200 feet Material weight : 0.70 (Cat HB) <br /> <br />Material weight : <br />3,300 Ibs/LCY Blade type : <br />Net correction : 1.00 <br />0.28 (S/SU/U) <br />Weight description <br />Decomposed rock - 75% Rock, 25% Earth Adjusted unit production : 199.48 LCY/hr <br /> Adjusted fleet production : 199.48 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 3.26 Hours <br />Unit cost : $0.691 /LCY Total job cost : $449