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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 206 State : Colorado Permit/job# : M-1981-185 <br />Date <br />User <br />11/20/2007 <br />RCO <br />County: La Plata Abbreviation :none <br />Site : May Day Mine Filename : M185-206 <br />Agency or organization name: DRMS <br />Permit or other job action : Transfer to Wildcat Mining <br />Task description : Spread growth medium on graded areas at Level 2 <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 Shift basis : 1 perday <br />Attachment no. 2:3-shank ripper <br />Source of estimated volume :permit 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 : 100 feet Material consistency : 1.10 (Cat HB) <br />Unadjusted hourly production : 714.3 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift1day) <br />Partly consolidated stockpile Spoil pile: 0.80 (fnd-rt) <br /> Push gradient : 0.79 (Cat HB) <br />Average push gradient : 10.00 % (pos) Altitude : 0.93 (Cat HB) <br />Average site altitude : 9,200 feet Material weight : 0.70 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 3,300 Ibs/LCY Net correction : 0.28 <br />Weight description : <br />Decomposed rock - 75% Rock, 25% Earth Adjusted unit production : 199.48 LCY/hr <br /> Adjusted fleet production : 199.48 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 0.50 Hours <br />Unit cost : $0.691 /LCY Total job cost : $69