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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 />Dote : 0512112008 <br />User: 7A K <br />Abbreviation :none <br />County: LaPlata <br />Site Carbon Junction Mine <br />Agency or organization name: CDRMS <br />Task description: Grade North Pit haul road fill <br />xx <br />Basic machine :OATY4H Horsepower: 215 <br />Attachment no. 1 : NA <br />Attachment no. 2 : Multi-shank ripper <br />MATERIAL QUANTITIES <br />Permit or other job action : RN-03 <br />Total area to be graded or ripped : 9.24 acres <br />Shift basis: Y per day <br />Data source : (CRG) <br />Width of blade overlap per pass <br />� <br />Net grading or ripping width per pass <br />� <br />Unadjusted hourly unit production <br />� <br />Job Condition Correction Factors <br />Average site altitude : 7,000 <br />209 feet <br />/Ll/O h»a °° ~width m ripper beam nn ripping applications <br />1.5303 acres/hour <br />Source <br />feet Altitude adjustment factor <br />Job efficiency adjustment factor: <br />Net job correction : 0.9000 multiplier <br />Adjusted hourly unit pnoduction: 1.3773 acres/hour <br />Adjusted hourly fleet production 1.3773 acres/hour <br />JOB TIME AND COST <br />Fleet size : i grader(s) Tot job time : 6.71 hours <br />Unit cost: $8435 per acre Total �obcoo � $779 <br />