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CIRCES Cost Estimatin~t Software <br />• BULLDOZER WORK <br /> <br />PROJECT IDENTIFICATION :;.:, <br /> Task # : 09w State :Colorado PermiUjob# :M-2007-044 <br /> Date : _02/05/2008 County :Mesa Abbreviation :none <br /> User : GRM Site :Whirlwind Mine Filename :M044-09w <br /> <br /> Agency or organization name : DRMS <br /> Permit or other job action : Initial Reclamation Liability Estimate <br /> Task description : backfiil sedimentation pond <br /> <br /> HOURLY EQUIPMENT COST <br /> Basic machine :Cat D8R Se ries It - 8U (2005) Horsepower : 310 <br /> Blade type :Universal <br /> Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br /> Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> <br />Utilization _ <br /> Cost Breakdown : Ownership cosUhour : $57.40 NA <br /> Operating cosUhour : $77.43 100 <br /> Ripper op. cosUhour : $1.68 25 <br /> Operator cosUhour : $32.78 NA <br /> Total unit cosbhour : $169.28 Total fleet cost/hour : $169.28 <br />• MATERIAL QUANTITIES <br /> Initial Swell Loose <br /> volume : 4,608 CCY factor : 1.165 volume : 5,368 LCY <br /> <br /> Source of estima ted volume :reclamationplan <br /> Source of estimated swell factor : na <br /> <br /> <br /> <br />HOURLY PRODUCTION _:. <br />,<•..: , <br />Job Condition Correction Factors <br />; <br /> <br />Source <br /> Operator skill : 0.75 (avg.) <br /> Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br /> Unadjusted hourly production : 931.6 LCYIhr Dozing method : 1.00 (gen.) _ <br /> Visibility : 1.00 (avg.) <br /> Material consistency description : Job efficiency : 0.83 (1 shiWday) <br /> Compacted fill or embankment Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 1.05 _ <br />_ (Cat HB) _ <br /> Average push gradient : 2.00 % (neg) Altitude : 1.00 (Cat HB) <br /> Average site altitude : 6,800 feet Material weight : 0.79 (Cat Ht3) <br /> Blade type : 1.00 _ <br />(S/SU/U) <br /> Material weight : 2,900 Ibs/LCY Net correction : 0.37 <br />[7 <br />Weight description <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size <br />Adjusted unit production <br />Adjusted fleet production <br />346.36 LCY/hr <br />346.36 LCYIhr <br />1 Dozers) Total job time : 15.50 Hours <br />Unit cost : $0.489 /LCY Total job cost : $2,624 <br />