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CIRCES Cost Estimatinq Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 02a State :Colorado Permit/job# :M-2005-050 <br />Date <br />User <br />01/09/2008 <br />GRM <br />County : Montrose <br />Site :J-Birds Mine <br />Abbreviation :none <br />Filename :M050-02a <br />Agency or organization name : DRMS _ <br />Permit or other job action :Periodical and SO Update - 2008 <br />Task description :establish 3:1 slopes on waste piles <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D7R DS Series 11 - 7SU Horsepower:-- 240 <br />Blade type : Semi-Universal <br /> Attachment no. 1 : ROPS Cab Shiftbasis : 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 : $1.35 25 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $138.68 Total fleet cost/hour : $138.68 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 9,375 LCY factor : NA volume : 9,375 LCY <br />Source of estimate d volume :accepted initial volumes from reclamation 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 : 50 feet Material consistency : 0.90 (Cat HB)_ <br />Unadjusted hourly production : 1,022.9 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 : 1.36 (Cat HB) <br />Average push gradient : 16.50 % (neg) Altitude : 1.00 _(Cat HB) <br />Average site altitude : 6,550 feet Material weight : 0.90 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,550 Ibs/LCY Net correction : 0.55 <br />Weight description <br />Sandstone Adjusted unit production : 561.72 LCY/hr <br /> Adjusted fleet production : 561.72 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 16.69 Hours <br />Unit cost : $0.247 /LCY Total job cost : $2,315