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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 005 <br />Date : 1011512008 <br />User : PSH <br />State : Colorado <br />County :Grand <br />Site : Yust Ranch Gravel Pit <br />Permit/job# :M2000014 <br />Abbreviation :none <br />Filename :M014-005 <br />Agency or organization name : Colorado Department Of Reclamation, Mining And Safety <br />Permit or other job action : Revised Bond Estimate for 9.9 Acres <br />Task description : Backfill 2350' of highwall at 3:1 slope <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D8R Series /I - 8SU (200! <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 : NA <br />Horsepower : 310 <br />Shiftbasis : 1 Der day <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $50.32 NA <br />Operating cost/hour : $77.13 100 <br />Ripper op. cost/hour : $0.00 NA <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $160.22 Total fleet cost/hour : $160.22 <br />xxxxx: <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 30,000 LCY factor : NA volume : 30,000 LCY <br />Source of estimated volume: Colorado Department of Reclamation, Mining and Safety <br />Source of estimated swell factor :NA <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet <br />Unadjusted hourly production : 852.6 LCY/hr <br />Material consistency description <br />Consolidated stockpile <br />Average push gradient <br />Average site altitude <br />0.00 % (pos <br />7,400 feet <br />Material weight : 3,300 Ibs/LCY <br />Weight description : <br />Decomposed rock - 75% Rock, 25% Earth <br />Material consistency : 1.00 (Cat HB) <br />Dozing method : 1.00 (gen.) <br />Visibility: 1.00 (avg.) <br />Job efficiency : 0.83 (1shiff/da) <br />Spoil pile : 1.00 (doz-oc) <br />Push gradient : 1.00 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.70 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.43 <br />Adjusted unit production : 369.78 LCY/hr <br />Adjusted fleet production : 369.78 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 81.13 Hours <br />Unit cost : $0.433 /LCY Total job cost : $12,999