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CIRCES Cost Estimating Software <br />MOTOR GRADER WORK <br />PROJECT IDENTIFICATION <br />Task #: 002 State : Colorado Permit/job #: M-1977-215 <br />Date <br />User <br />06/25/2008 <br />RCO <br />County :Mineral <br />Site : Bulldog Mine <br />Abbreviation :none <br />Filename :M215-002 <br />Agency or organization name : DRMS <br />Permit or other job action :Permit Transfer (SO-1) to EM&L <br />Task description :Maintenance of germane <br />HOURLY EQUIPMENT COST <br />onsite roads <br />Basic machine : CAT 120H <br />Attachment no. 1 : NA <br />Attachment no. 2 :Multi-shank ripper <br />Horsepower: 125 <br />Shift basis per day <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown Ownership cost/hour : $19.62 NA <br />Grader operating cost/hour : $26.11 100 <br />Ripper operating cost/hour : $0.19 10 <br />Operator cost/hour : $24.47 NA <br />Total unit cost/hour : $70.38 Total fleet cost/hour : $70.38 <br />MATERIAL QUANTITIES <br />Total area to be graded or ripped : 2.00 acres <br />Source of estimated acreage :two passes on 1 mile of 8-ft wide road <br />HOURLY PRODUCTION <br />Selected application : Heavy blading (0-6 mph) <br />Average grader speed : 3.00 mph <br />Selected blade angle : 30 degrees at 0 degrees, blade is perpendicular <br />Effective blade length : 10.40 feet to direction of travel. <br />Width of blade overlap per pass : 2.00 feet <br />Net grading or ripping width per pass : 8.40 feet ** ?• width of ripper beam o n ripping applications <br />Unadjusted hourly unit production : 3.0545 acres/hour <br />Job Condition Correction Factors Source <br />Average site altitude : 9,500 feet Altitude adjustment factor : 1.00 I (Cat HB) <br /> Job efficiency adjustment factor : 0.85 (1sh1d, Imod.) <br /> Net job correction : 0.8500 multiplier <br /> <br />Adjusted hourly unit production : 2.5964 acres/hour <br />Adjusted hourly fleet production : 2.5964 acres/hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 grader(s) Total job time : 0.77 hours <br />Unit cost : $27.11 per acre Total job cost : $54