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CIRCES Cost Estimating Software <br />MOTOR GRADER WORK <br />PROJECT IDENTIFICATION <br />Task #: 068 State : Colorado <br />Date : 1210212010 County :Delta <br />User : JRS Site :Bowie No. 1 Mine <br />Agency or organization name : Colorado Division of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-6) <br />Task description :Finish Grade Waste Disposal Area <br />HOURLY EQUIPMENT COST <br />Basic machine: CAT 14H <br />Attachment no. 1 :NA <br />Attachment no. 2 :Multi-shank ripper <br />Horsepower: 215 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />Utilization % <br />Cost Breakdown Ownership cost/hour : $45.57 NA <br />Grader operating cost/hour : $46.26 100 <br />Ripper operating cost/hour : $0.00 0 <br />Operator cost/hour : $24.50 NA <br />Total unit cost/hour : $116.32 Total fleet cost/hour : $116.32 <br />MATERIAL QUANTITIES <br />Total area to be graded or ripped : 8.00 acres <br />Source of estimated acreage :Map 8-1 <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 : 12.10 feet <br />Width of blade overlap per pass : 2.00 feet <br />Net grading or ripping width per pass :- -170. 10 feet ** <br />Unadjusted hourly unit production : 1.5303 acres/hour <br />Job Condition Correction Factors <br />Average site altitude : 7,000 . feet <br />Permit/job #: C-1981-038 <br />Abbreviation :none <br />Filename :C038-068 <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 : 1.00 I (Cat HB) <br />Job efficiency adjustment factor : 0.85 (1sh1d, mod.) <br />Net job correction : 0.8500 multiplier <br />Adjusted hourly unit production : 1.3008 acres/hour <br />Adjusted hourly fleet production : 1.3008 acres/hour <br />JOB TIME AND COST <br />Fleet size : 1 grader(s) Total job time <br />Unit cost : $89.43 per acre Total job cost <br />6.15 hours <br />$715