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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 003 State : Colorado <br />Date : 0910212009 County :Moffat <br />User : JRS Site : Colowyo Mine <br />Agency or organization name : Colorado Division Of Reclamation, <br />Permit or other job action : Permit Renewal 05 <br />Task description :Doze East Pit Highwall <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D11 R - 11U (2005) Horsepower : 850 <br />Blade type : Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :1-shank ripper <br />Cost Breakdown : Ownership cost/hour : <br />Operating cost/hour : <br />Ripper op. cost/hour : <br />Operator cost/hour : <br />Total unit cost/hour : <br />Data source : (CRG) <br />Utilization % <br />$178.51 NA <br />$262.99 100 <br />$14.70 100 <br />$38.54 NA <br />$494.73 Total fleet cost/hour : $1,484.20 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 1,579,000 LCY factor : NA volume : 1,579,000 LCY <br />Source of estimated volume : Operator Estimate <br />Source of estimated swell factor :NA <br />HOURLY PRODUCTION Job <br />Average push distance : 300 feet <br />Unadjusted hourly production : 1,055.6 LCY/hr <br />Material consistency description <br />Loose stockpile <br />Average push gradient:- 30.00 % (neg) <br />Average site altitude : 7,400 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />dition Correction Factors <br />Operator skill : <br />0.75 Source <br />(avg.) <br />Material consistency : 1.20 (Cat HB) <br />Dozing method : 1.10 (50% sl) <br />Visibility: 1.00 (avg.) <br />Job efficiency : 0.83 (1shift/day) <br />Spoil pile : 1.00 (doz-oc) <br />Push gradient : 1.60 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.79 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 1.04 <br />Adjusted unit production <br />Adjusted fleet production <br />JOB TIME AND COST <br />Fleet size : 3 Dozer(s) <br />Unit cost : $0.449 /LCY <br />And Safety <br />Permit/job# : C-1981-019 <br />Abbreviation : none <br />Filename C019-003 <br />Total job time <br />Total job cost <br />1101.17 LCY/hr <br />3,303.52 LCY/hr <br />477.97 Hours <br />$709,411