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CIRCES Cost Estimatinq Software <br />MOTOR GRADER WORK <br />PROJECT IDENTIFICATION <br />Task #: 09a State : Colorado Permit/job #:M-2001-100 Date : 0210712008 County :Mesa Abbreviation :none <br />User: THM Site : B/m Pit #1 Filename : M100-09a <br />Agency or organization name: DRMS <br />Permit or other job action :Reclamation Cost Update <br />Task description : Final grading of site prior to <br />HOURLY EQUIPMENT COST <br />Basic machine: CAT 16H <br />Attachment no. 1 : NA <br />Attachment no. 2 : Multi-shank ripper <br />Horsepower: 275 <br />Shift basis : 1 per day <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown Ownership cost/hour : $60.34 NA <br />Grader operating cost/hour : $64.81 100 <br />Ripper operating cost/hour : $0.82 25 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $158.75 Total fleet cost/hour : $158.75 <br />MATERIAL QUANTITIES <br />Total area to be graded or ripped : 6.60 acres <br />Source of estimated acreage :Mine map and plan <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 " • at 0 degrees, blade is perpendicular <br />Effective blade length : 13.90 feet to direction of travel. <br />Width of blade overlap per pass : 2.00 feet <br />Net grading or ripping width per pass : 11.90 feet " width of ripper beam on ripping applicat ions <br />Unadjusted hourly unit production : 1.8030 acres/hour <br />Job Condition Correction Factors Source <br />Average site altitude : 4,960 feet Altitude adjustment factor : 1.00 (Cat HB) <br /> Job efficiency adjustment factor : 0.90 (1 sh/d, fav.) <br /> Net job correction : 0.9000 multiplier <br /> <br />Adjusted hourly unit production : 1.6227 acres/hour <br />Adjusted hourly fleet production : 1.6227 acres/hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 grader(s) Total job time : 4.07 hours <br />Unit cost : $97.83 per acre Total job cost : $646 <br />