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CIRCES Cost Estimating Software <br /> BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 015 State : Colorado Permit/job# : C-96-083 <br />Date : 1110212009 County: Delta Abbreviation : none <br />User : JRS Site :Bowie No. 2 Mine Filename :C083-015 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2009 Midterm Review <br />Task description :BackFll and Regrade B-Seam Portal Bench <br /> <br />HOURLY EQUIPMENT COST <br /> Basic machine : Cat D10R - 10SU (2005) Horsepower : 570 <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 : $89.77 NA <br /> Operating cost/hour : $128.30 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cost/hour : $38.54 NA <br /> Total unit cost/hour : $256.60 Total fleet cost/hour : $1,026.41 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 87,000 CCY factor : 1.165 volume : 101,355 LCY <br />Source of estimated volume: Operator Estimate <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 150 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,243.2 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift1day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rt) <br /> Push gradient : 0.54 (Cat HB) <br />Average push gradient : 20.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,750 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2900 Ibs/LCY Net correction : 0.19 <br />Weight description - <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 240.67 LCY/hr <br /> Adjusted fleet production : 962.67 LCY/hr <br /> <br />JOB TIME AND COST f <br />Fleet size : 4 Dozers) Total job time : 105.29 Hours <br />Unit cost : $1.066 /LCY Total job cost : $108,066 <br />