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CIRCES Cost Estimating Software <br /> BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 01a State :Colorado Permit/job# : M-1981-058 <br />Date : 10/15/2007 County :Mesa Abbreviation :none <br />User : THM Site :Debeque Gravel Pit Filename :M058-Ofa <br />Agency or organization name :DRMS <br />Permit or otherjob action :Final Reclamation Costs Update <br />Task description :Rip and Rough Grade Phase 1 and <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series ll - 8SU <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Shift basis : 1 per day <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $57.13 NA <br /> Operating cost hour : $77.13 100 <br /> Ripper ap. cosf/hour : $3.35 50 <br /> Operator cosUhour- $32.78 NA <br /> Total unit cosUhour : $170.39 Total fleet cost/hour : $170.39 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 21,619 LCY factor : NA volume: 21,619 LCY <br />Source of estimated volume :Mine /Reclamation Plan & Maps <br />Source of estimated swell factor : NA <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance ; 50 feet <br />Unadjusted hourly production : 1,400.0 LCY/hr <br />Material consistency description <br />Partly conso/idated stockpile <br />Average push gradient : 0.00 % (I <br />Average site altitude : 4,865 feet <br />Material weight : 2,550 Ibs/LCY <br />Weight description <br />Gravel - Drv <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.246 /LCY <br />Area, 13.4 acres <br />Horsepower: 310 <br />Operator skill ; 0.75 <br />Material consistency : 1.10 <br />Dozing method : 1.00 <br />Visibility : 1.00 <br />Job efficiency : 0.83 <br />Spoil pile : 0.80 <br />Push gradient : 1,00 <br />Altitude : 1,00 <br />Material weight : 0.90 <br />Blade type : 1.00 <br />Net correction : 0.49 <br />Adjusted unit production <br />Adjusted fleet production <br />Total job time <br />Total job cost <br />691.48 LCY/hr <br />691.48 LCY/hr <br />31.26 Hours <br />$5,327 <br />