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CIRCES Cost Estimating Software <br />PROJECT IDENTIFICATION <br />Task # : 103 <br />Date : 10/15/2007 <br />User : RCO <br />State :Colorado PermiUjob# : M-1980-055HR <br />County :San Miguel Abbreviation :none <br />Site :Topaz Mine Filename :M5HR-103 <br />Agency or organization name :DRMS <br />Permit or otherjob action :Conversion CN-1 <br />Task description :Grade vent pat <br />and replace <br />Basic machine :Cat D7R DS Series II - 7SU <br />Blade type :Semi-Universal <br />Attachment no. 1 : BOPS Cab <br />Attachment no. 2 :3-shank ripper <br />Horsepower: 240 <br />Shift basis : 1 per day <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $48.36 NA <br /> OperatingcosUhour : $56.19 100 <br /> Ripper op.cosUhour : $0.00 0 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cosUhour : $137.33 Total fleet cosUhour : $137.33 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 4,356 CCY factor : 1.125 volume : 4,900 LCY <br /> <br />Source of estima ted volume :0.25 ac pads, 6 ea, 6"grading depth, 120 cy soil avg. <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 : 1.00 (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 (lshifl/day) <br />Consolidated stockpile Spoil pile : 0.70 (fnd-mi) <br /> Push gradient : 1.00 (Cat HB) <br />Average push gradient : 0.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,200 feet Material weight : 0.87 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,650 Ibs/LCY Net correction : 0.38 <br />Weight description <br />Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : 386.72 LCY/hr <br /> Adjusted fleet production : 386.72 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 12.67 Hours <br />Unit cost : $0.355 /LCY Total job cost : $1,740 <br />