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CIRCES Cost Estimating Software <br />MOTOR GRADER WORK <br />.... <br />PROJECT IDENTIFICATION <br />Task # : 016 State : Colorado Permit/job #: C-96-084 <br />Date <br />User <br />04121/2008 <br />JRS <br />Abbreviation :none <br />Filename : C084-016 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : Permit Renewal 02 <br />Task description : Grade Borrow Area 3 <br />HOURLY EQUIPMENT COST <br />County : Las Animas <br />Site : Lorencito Canyon Mine <br />Basic machine : CAT 14H <br />Horsepower: 215 <br />Attachment no. 1 :NA <br />Attachment no. 2 : Multi-shank ripper <br />Source of estimated acreage : Table 2.05.4-1f <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 : 10.10 feet " <br />Unadjusted hourly unit production : 1.5303 acres/hour <br />Shift basis : 1 per day <br />Data source : (CRG) <br />* at 0 degrees, blade is perpendicular <br />to direction of travel. <br />** width of ripper beam on ripping applications <br />Job Condition Correction Factors Source <br />Average site altitude : 7,100 feet Altitude adjustment factor : 1.00 (Cat HB) <br />Job efficiency adjustment factor : 0.85 (1sh1d, mod.) <br />Net job correction : 0.8500 multiplier