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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 03a State : Colorado Permit/job# : C-1994-082 <br />Date : 12/03/2009 County : Routt Abbreviation :none <br />User : JRS Site : Yoast Mine Filename : C082-03a <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :Partial Phase I Bond Release SL-02 <br />Task description : Grade Adjacent Valora Pit NIS Spoil Ridges <br />HOURLY EQUIPMENT COST <br />I <br />Basic machine : Cat D11 R - 11U (2005) <br />Horsepower : <br />850 <br /> Blade type : Universal <br />j Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br /> Attachment no. 2 :3-shank ripper <br /> Data source: (CRG) <br /> % Utilization - <br />Cost Breakdown : Ownership cost/hour : $174.21 NA <br /> Operating cost/hour : $209.76 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cost/hour : $38.54 NA <br /> <br />I Total unit cost/hour : $422.51 Total fleet cost/hour : $845.02 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />j volume : 125,200 LCY factor : NA volume : 125,200 LCY <br />i <br />Source of estimated volume: Division Estimate <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 : 2,870.3 LCY/hr Dozing method : 1.10 (50% sl) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (lshift/day) <br />Partly consolidated stockpile Spoil pile : 0.90 (ssd-fc) <br />Average push gradient : 25.00 % (neg) <br />Average site altitude : 7,800 feet <br />I <br />Material weight : 2,550 Ibs/LCY <br />Weight description <br />Sandstone <br />JOB TIME AND COST <br />Fleet size : 2 Dozer(s) <br />Unit cost : $0.171 /LCY <br />Push gradient : 1.52 (Cat HB) <br />Altitude : 0.93 (Cat HB) <br />Material weight : 0.90 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.86 <br />Adjusted unit production : 2475.07 LCY/hr <br />Adjusted fleet production : 4,950.14 LCY/hr <br />Total job time : 25.29 Hours <br />Total job cost : $21,372