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CIRCES Cost Estimating Software <br />• BULLDOZER WORK <br /> PROJECT IDENTIFICATION <br /> Task # : 051 State :Colorado Permit/job# :C-1981-012 <br /> Date : 0111312009 County : Las Animas Abbreviation : none <br /> User : JRS Site : New Elk Mine Filename : C012-051 <br /> Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br /> Permit or other job action :Permit Renewal 05 <br /> Task description : Regrade All Ditches at West Portal <br /> HOURLY EQUIPMENT COST <br /> Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br /> Blade type :Semi-Universal <br /> Attachment no. 1 :ROPS Cab Shift basis : 1 perday <br /> Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br /> Cost Breakdown : Ownership cost/hour : $71.49 NA <br /> Operating cost/ho.ur : $103.27 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $207.53 Total fleet cost/hour : $207.53 <br /> <br /> MATERIAL QUANTITIES <br /> Initial Swell Loose <br /> volume : 3,468 CCY factor : 1.125 volume : 3,902 LCY <br />Source of estimated volume : Exhibit 19, pages D-1 - D-9; Table 20, Maps 13, 13A, 14 and 24 <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 200 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 700.0 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift1day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-ro <br /> Push gradient : 0.90 (Cat HB) <br />Average push gradient : 5.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,500 feet Material weight : 0.87 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2650 Ibs/LCY Net correction : 0.35 <br />Weight description : <br />Decomposed rock - 25% Rock, 75% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.844 /LCY <br />Adjusted unit production <br />Adjusted fleet production <br />Total job time <br />Total job cost <br />245.95 LCY/hr <br />245.95 LCY/hr <br />15.86 Hours <br />$3,292 <br />RN-05 Exhibit 28-51 (Revised 2/16/09)