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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />Task # : 013 State :Colorado PermiUjob# :C-81-012 <br />Date : 08/17/2001 County :Las Animas Abbreviation :none I <br />User : JHB Site :New Elk Mine Filename :C012-013 <br />Agency or organization name :Colorado Division Of Minerals And Geology <br />Permit or other job action :2001 Midterm <br />Task description :Rip 8 spread "cover" material on refuse area <br />• <br />nwrc~r ruuirmen i ~w i i <br /> Basic machine : Cat D10R - 10SU Horsepower : 570 <br /> Blade type :Semi-Universal <br /> Attachment no. 1 :RODS Cab Shift basis : 1 perday <br /> Attachment no. 2 :1-shank ripper <br /> Data source : (CRG) <br /> Utilization % ~ <br />Cost Breakdown : Ownership cosUhour : $73.64 NA <br /> Operating cost/hour : $125.73 100 i <br /> Ripper op. cosUhour : $6.93 50 ~ <br /> Operator cosOhour : $27.99 NA <br />i <br /> Total unit cosUhour : $234.29 Tota l fleet cosUhour : $937.14 <br /> ~ ~ ~ <br />MATERIAL QUANTITIES ', <br />Initial Swell Loose ~ <br />volume : 99,150 BCY factor : 1.430 volume : 141,784 LCY <br />Source of estimated volume :Map 24, 2.05-21, field discussion with operator <br />Source of estimated swell factor :Caterpillar handbook, 28th edition <br />Average push distance : 625 feet <br />Unadjusted hourly production : 350.0 LCY/hr <br />Material consistency description <br />Rock, poorly ripped or blasted <br />Average push gradient : 25.00 % (neg) <br />Average site altitude : 7, 700 feet <br />Material weight : 3,300 Ibs/LCY <br />Weight description <br />Decomposed rock-75% Rock, 25% Earth <br />Operator skill : 0.75 (avg.) <br />Material consistency : 0.60 (Cat HE <br />Dozing method : 1.00 (gen.) <br />Ysibility : 1.00 (avg.) <br />Job efficiency : 0.83 (lshi(Uda <br />Spoil pile : 1.00 (doz-oc <br />Push gradient : 1.52 (Cat HE <br />Altitude : 1.00 (Cat HE <br />Material weight : 0.70 (Cat HE <br />Blade type : 1.00 (S/SU/C <br />Net correction : 0.39 <br /> <br />Adjusted unit production : 138.16 LCY/hr <br />Adjusted fleet production : 552.88 LCY/hr <br />