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PROJECT IDENTIFICATION <br />Task #: 024 <br />Date : 0312612009 <br />User: JRS <br />CIRCES Cost Estimating Software <br />MOTOR GRADER WORK <br />State : Colorado <br />County : Garfield <br />Site :Mcclane Canyon Mine <br />Permit/job # : C-1980-004 <br />Abbreviation :none <br />Filename :0004-024 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2009 Midterm Review <br />Task description :Finish Grade All Backfilled Areas <br />HOURLY EQUIPMENT COST <br />Basic machine: CAT 12H Horsepower : 140 <br />Attachment no. 1 : NA Shift basis : 1 per day <br />Attachment no. 2 : Multi-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown Ownership cost/hour : $22.80 NA <br />Grader operating cost/hour : $30.26 100 <br />Ripper operating cost/hour : $0.00 0 <br />Operator cost/hour : $24.47 NA <br />Total unit cost/hour : $77.52 Total fleet cost/hour : $77,52 <br />MATERIAL QUANTITIES <br />Total area to be graded or ripped : 6.09 acres <br />Source of estimated acreage :Operator Estimate <br />HOURLY PRODUCTION <br />Selected application :Finish grading (0-2.5 mph) <br />Average grader speed : 1.25 mph <br />Selected blade angle : 30 degrees <br />Effective blade length : 10.40 feet <br />Width of blade overlap per pass : 2.00 feet <br />Net grading or ripping width per pass : 8.40 feet <br />Unadjusted hourly unit production : 1.2727 acres/hour <br />Job Condition Correction Factors <br />Average site altitude : 5,600 feet <br />at 0 degrees, blade is perpendicular <br />to direction of travel. <br />.. width of ripper beam on ripping applications <br />Source <br />Altitude adjustment factor : 0.83 I (Cat HB) <br />Job efficiency adjustment factor : 0.85 (1sh1d, mod.) <br />Net job correction : 0.7055 multiplier <br />Adjusted hourly unit production : 0.8979 acres/hour <br />Adjusted hourly fleet production : 0.8979 acres/hour <br />JOB TIME AND COST <br />Fleet size : 1 grader(s) Total job time : 6.78 hours <br />Unit cost : $86.34 per acre Total job cost : $526