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CIRCES Cost Estimating Software <br />MOTOR GRADER WORK <br />PROJECT IDENTIFICATION <br />Task #: 013 State : Colorado Permit/job #: C-92-080 <br />Date : 1110312010 County : La Plata Abbreviation :none <br />User: TAK Site : Carbon Junction Mine Filename : C080-013 <br />Agency or organization name: CDRMS <br />Permit or other job action : Midterm Permit Review 4 <br />Task description : Grade North Pit haul road fill <br />HOURLY EQUIPMENT COST <br />Basic machine: CAT 14H <br />Horsepower: 215 <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 : $45.35 NA <br />Grader operating cost/hour : $58.93 100 <br />Ripper operating cost/hour : $0.00 0 <br />Operator cost/hour : $24.50 NA <br />Total unit cost/hour : $128.78 Total fleet cost/hour : $128.78 <br />MATERIAL QUANTITIES <br />Total area to be graded or ripped : 9.24 acres <br />Source of estimated acreage :2.31 acres (p. 5-2 of recl, plan X 4 passes) <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 12.10 feet to direction of travel. <br />Width of blade overlap per pass : 2.00 feet <br />Net grading or ripping width per pass : 10.10 feet "width of ripper beam on ripping applications <br />Unadjusted hourly unit production : 1.5303 acres/hour <br />Job Condition Correction Factors Source <br />Average site altitude : 7,000 feet Altitude adjustment factor : 1.00 I (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 : 1.3773 acres/hour <br />Adjusted hourly fleet production : 1.3773 acres/hour <br />JOB TIME AND COST <br />Fleet size : 1 grader(s) Total job time : 6.71 hours <br />Unit cost : $93.50 per acre Total job cost : $864 <br />