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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 004 State : Colorado <br />Date : 1210212010 County :Delta <br />User: JRS Site :Bowie No. 1 Mine <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-6) <br />Task description :Push Fill from Outslope Zone 2-B to Portal Zone 4-C <br />HOURLY EQUIPMENT COST <br /> Basic machine : Cat D1OR - 10SU (2005) Horsepower : 570 <br /> Blade type : Semi-Universal <br /> Attachment no. 1 : BOPS 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 CCY factor : 1.165 volume : 101 LCY <br /> <br />Source of estimated volume: Map 5C-6A and 8A-2 <br />Source of estimated swell factor : CAT Handbook <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 175 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,074.3 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 0.67 (Cat HB) <br />Average push gradient : 15.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,160 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2900 Ibs/LCY Net correction : 0.24 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 254.49 LCY/hr <br /> Adjusted fleet production : 1,017.95 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) Total job time : 0.10 Hours <br />Unit cost : $1.008 /LCY Total job cost : $102 <br /> <br />Permit/job# : C-1981-038 <br />Abbreviation :none <br />Filename : C038-004