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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 04a <br />Date : 11/20/2006 <br />User : GRM <br />State :Colorado <br />County :Mesa <br />Site : Sunnyside Gravel Mine <br />Permit/job# : M-1986-160 <br />Abbreviation :none <br />Filename : M160-04a <br />Agency or organization name : DRMS _ <br />Permit or other job action :Reclamation Liability Update - 2006 <br />Task description :push overburden/topsoil down on graded slopes <br />HOURLY EQUIPMENT COST <br />Cost Breakdown <br />Basic machine :Cat D8R Series 11 - 8U (2005) <br />Blade type :Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :1-shank ripper <br /> <br /> Utilization <br />Ownership cosUhour : $59.12 NA <br />OperatingcosUhour: $74.00 100 <br />Ripper op. cosUhour : $4.25 ~ 50 <br />Operator cosUhour : $32.78 NA <br />Total unit cost/hour : $170.15 Total fleet cosUhour <br />$170.15 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 6,453 CCY factor : 1.125 volume : 7,260 LCY <br />Source of estimated volume :4 acres @ 12" depth <br />Source of estimated swell factor :na <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill: 0.75 I (avg.) <br />Average push distance : 100 feet Material consistency : 1.00 j (Cat HB) <br />Unadjusted hourly production : 931.6 LCY/hr Dozing method : 1.00 ~ (gen.) <br /> Visibility : 1.00 ~ (avg.) <br />Material consistency description : Job efficiency : 0.83 (lshiff/day) <br />Consolidated stockpile Spoil pile : 0.80 _ (fnd-rf) <br /> Push gradient : 1.52 ~ (Cat HB) <br />Average push gradient : 25.00 % (neg) I Altitude : 1.00 (Cat HB) <br />Average site altitude : 5,800 feet Material weight : 0.90 ~ (Cat HB) <br /> Blade type : 1.00 ~~~ (S/SU/U) <br />Material weight : 2,550 Ibs/LCY Net correction : 0.68 <br />Weight description <br />Earth -Dry packed Adjusted unit production : 634.55 LCY/hr <br /> Adjusted fleet production : 634.55 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Tota! job time : 17.44 Hours <br />Unit cost : $0.268 /LCY Total job cost : $1,947 <br />Horsepower: 310 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />