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CIRCES Cost Estimatinst Software <br />Task # : 014 <br />Date : 12/142004 <br />User : JRS <br />State :Colorado <br />County :Las Animas Abbreviation ;none <br />Site :Lorencito Canyon Mine Filename :C084-014 <br />Agency or organization name :Colorado pivision Of Minerals And <br />Permit or other job action :Current Permitted <br />Task description :Grade Borrow Area 1 <br />HOURLY EQUIPMENT COST <br />Total area to be graded or ripped : 1.60 acres <br />Horsepower: 215 <br />Shift basis : 1 per day <br />Source of estimated acreage :Ta61e 2.05.4-1t <br />HOURLY PRODUCTION <br />r1 <br />U <br />Selected application :Finish grading (0-2.5 mph) <br />Average grader speed : 1.25 mph <br />Selected blade angle : 30 degrees' ' at o degrees, blatle is perpendicular <br />Effective blade length : 12.10 feet to direction or travel. <br />Width of blade overlap per pass : 2.00 feet <br />Net grading or ripping width per pass : 10.10 feet " '• witlth or ripper beam on ripping applicat ions <br />Unadjusted hourly unit production : 1.5303 acres/hour <br />Job Condition Correction Factors Source <br />Average site altitude : 7,100 feet Altitude adjustment factor : 1.00 I (Cat HB) <br /> Job efficiency adjushneni factor : 0.85 (1sh/d, rnod.) <br /> Net job correction : 0.8500 multiplier <br />Adjusted hourly unit production : 1.3008 acres/hour <br />Adjusted hourly fleet production : 1.3008 acres/hour <br />JOB TIME AND COST ~~ <br />Fleet size : 1 grader(s) Total job time : 1.23 hours <br />Unit cost : $84.01 per acre Total job cost : $134 <br />Basic machine :CA714H <br />Attachment no. 1 :NA <br />Attachment no. 2 : NA <br />Z3- <br />PermiUjob # : C-96-084 <br />