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CIRCES Cost Estimatina Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 002 State : Colorado Permitfjob# : C-1981-038 <br />Date : 1111912007 <br />User : JRS <br />County : Delta <br />Site : Bowie No. 1 Mine <br />Abbreviation :none <br />Filename : C038-002 <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 : $97.38 NA <br /> Operating cost/hour : $138.49 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $268.65 Total fleet cost/hour : $1,074.59 <br />.............. <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 789 CCY factor : 1.165 volume : 919 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 : 150 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production :- -i,243.2 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift/day) <br />Compacted rill or embankment Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 1.48 (Cat HB) <br />Average push gradient : 23.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,110 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 900 Ibs/LCY <br />2 Net correction : 0.53 <br /> , <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 654.44 LCY/hr <br /> Adjusted fleet production : 2,617.78 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) Total job time : 0.35 Hours <br />Unit cost : $0.410 /LCY Total job cost : $377 <br />